US20030190248A1 - Vane supporting apparatus for hermetic compressor - Google Patents
Vane supporting apparatus for hermetic compressor Download PDFInfo
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- US20030190248A1 US20030190248A1 US10/381,135 US38113503A US2003190248A1 US 20030190248 A1 US20030190248 A1 US 20030190248A1 US 38113503 A US38113503 A US 38113503A US 2003190248 A1 US2003190248 A1 US 2003190248A1
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- cylinder
- torsion bars
- vanes
- rotating shaft
- dividing plate
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- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
- F01C21/0818—Vane tracking; control therefor
- F01C21/0827—Vane tracking; control therefor by mechanical means
- F01C21/0845—Vane tracking; control therefor by mechanical means comprising elastic means, e.g. springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3568—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member with axially movable vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
Definitions
- the present invention relates to a vane supporting apparatus for a hermetic compressor, and particularly, to a vane supporting apparatus for a hermetic compressor which is able to reduce a length of the compressor in shaft direction by lowering a height.
- a hermetic compressor using a vane as a component thereof divides an inner space of a cylinder into a suction area and a compression area by installing the vane to be contacted to a rotator body, changes the suction area and the compression area with each other successively according to phases of the rotating body when the rotating body is operated to suck, to compress, and to discharge fluid.
- FIG. 1 is a longitudinal cross-sectional view showing an example of a conventional hermetic compressor
- FIG. 2 is a partially enlarged view showing a vane supporting apparatus in the conventional hermetic compressor.
- the conventional hermetic compressor comprises: a motor device unit consisting of a stator (Ms) and a rotor (Mr) for generating driving power on an inner upper portion of a casing 1 , and a compression device unit connected to the rotor (Mr) for sucking, compressing and discharging the fluid.
- a motor device unit consisting of a stator (Ms) and a rotor (Mr) for generating driving power on an inner upper portion of a casing 1
- a compression device unit connected to the rotor (Mr) for sucking, compressing and discharging the fluid.
- the compression device unit comprises: a cylinder 2 fixed on a lower part of the casing 1 ; a first bearing plate 3 A and a second bearing plate 3 B fixed on an upper surface and on a lower surface of the cylinder 2 to form an inner space of the cylinder 2 ; a rotating shaft 4 coupled to the rotor (Mr) of the motor device unit and penetratingly coupled to the respective bearing plates 3 A and 3 B for transmitting the driving power of the motor device unit to the compression device unit; a dividing plate 5 coupled to the rotating shaft 4 or made integrally with the rotating shaft 4 for dividing the inner space of the cylinder 2 into a first space (S 1 ) and a second space (S 2 ); a first vane 6 A and a second vane 6 B having lower ends and upper ends contacted to both surfaces of the dividing plate 5 respectively for dividing the respective spaces S 1 and S 2 into the suction area and the compression area when the rotating shaft 4 is rotated; and a first spring assembly 8 A and a second spring assembly 8 B
- the dividing plate 5 is formed as a disc when it is projected on a plane so that an outer circumferential surface thereof can be slidingly contacted to an inner circumferential surface of the cylinder 2 , and both side surfaces of the dividing plate 5 are formed as cam faces of sine wave shape having same thickness from the inner circumferential surface to the outer circumferential surface when these are spread.
- first and second vanes 6 A and 6 B are formed as cuboids, penetrate the respective bearing plates 3 A and 3 B to be contacted to the lower and upper cam faces of the dividing plate 5 as described above, and reciprocate toward the shaft direction when the rotating shaft 4 is rotated.
- outer side surfaces of the respective vanes 6 A and 6 B are contacted or inserted in the inner circumferential surface of the cylinder 2 , however, inner side surfaces of the respective vanes 6 A and 6 B are coupled to be contacted to the outer circumferential surface of the rotating shaft 4 as slid.
- the first spring assembly 8 A and the second spring assembly 8 B comprise a first and a second supporting springs 8 a and 8 c made of coil compressive spring for supporting rear surfaces of the respective vanes 6 A and 6 B, and a first spring holder 8 b and a second spring holder 8 d for receiving the respective supporting springs 8 a and 8 c and mounted on the first bearing plate 3 A and on the second bearing plate 3 B.
- unexplained reference numerals 2 a and 2 b represent suction ports of the respective spaces S 1 and S 2 , 3 a and 3 b represent discharge ports, 7 A and 7 B represent discharge mufflers, 7 a and 7 b are discharge holes, DP is a discharge pipe, and SP represents a suction pipe.
- the first spring 8 a and the second spring 8 c supporting the respective vanes 6 A and 6 B are the compressive coil springs having predetermined lengths in shaft direction of the rotating shaft 4 , and therefore, a distance (L 1 ) between the motor device unit and the compression device unit as much as the length of the compressive coil spring is increased, and the entire length of the compressor is increased in the shaft direction.
- a vane supporting apparatus for a hermetic compressor comprising: a sealed casing; a motor device unit fixedly coupled to an inner upper part of the casing for generating driving power; a cylinder fixedly coupled to a lower part of the casing; a first bearing plate and a second bearing plate fixed on upper and lower surfaces of the cylinder for forming inner space of the cylinder together; a rotating shaft coupled to a rotor of the motor device unit and located as penetrating the respective bearing plates; a dividing plate coupled to the rotating shaft for dividing the inner space into a plurality of sealed spaces in the inner space of the cylinder; a plurality of vanes contacted to both surfaces of the dividing plate and undergone reciprocating movements along with axial line direction when the rotating shaft is rotated for converting the respective sealed spaces into a suction area and a compression area; at least one or more torsion bars having one side elastically supporting the respective vanes; and a fixing member for fixing the other side of the
- FIG. 1 is a longitudinal cross-sectional view showing an example of a conventional hermetic compressor
- FIG. 2 is a partially enlarged view showing a vane supporting apparatus in the conventional hermetic compressor
- FIG. 3 is a longitudinal cross-sectional view showing an embodiment of a hermetic compressor according to the present invention.
- FIG. 4 is a front view showing a vane supporting apparatus in the hermetic compressor according to the present invention.
- FIG. 5 is a plane view showing the vane supporting apparatus in the hermetic compressor according to the present invention.
- FIG. 6 is a perspective view showing a coupled status of a torsion bar and a vane in the vane supporting apparatus in the hermetic compressor according to the present invention
- FIG. 7 is a partially enlarged view showing the vane supporting apparatus for the hermetic compressor according to the present invention.
- FIG. 8 is a plane view showing another embodiment of the vane supporting apparatus for the hermetic compressor according to the present invention.
- FIG. 3 longitudinal cross-sectional view showing an embodiment of a hermetic compressor according to the present invention
- FIG. 4 and FIG. 5 are a front view and a plane view showing a vane supporting apparatus in the hermetic compressor according to the present invention
- FIG. 6 is a perspective view showing a coupled status of a torsion bar and a vane in the vane supporting apparatus in the hermetic compressor according to the present invention
- FIG. 7 is a partially enlarged view showing the vane supporting apparatus for the hermetic compressor according to the present invention
- FIG. 8 is a plane view showing another embodiment of the vane supporting apparatus for the hermetic compressor according to the present invention.
- the compressor including the vane supporting apparatus comprises: a stator (Ms) and a rotor (Mr) fixed on inner upper part of a casing 1 for making a motor device unit, a cylinder 2 fixedly coupled to a lower part of the casing 1 , a first bearing plate 3 A and a second bearing plate 3 B fixed on upper and lower surface of the cylinder for forming an inner space of the cylinder 2 together, a rotating shaft 4 coupled to the rotor (Mr) and penetrating the respective bearing plates 3 A and 3 B simultaneously, a dividing plate 5 coupled to the rotating shaft 4 or made integrally with the rotating shaft 4 for dividing the inner space of the cylinder 2 into a first space S 1 and a second space S 2 , a first vane 6 A and a second vane 6 B of which a lower end and an upper end are contacted to both surfaces of the dividing plate 5 to divide the respective spaces S 1 and S 2 into a suction area and a compression
- the dividing plate 5 is formed as a disc when it is projected on a plane so that an outer circumferential surface of the dividing plate 5 is contacted to the inner circumferential surface of the cylinder 2 as slid, and both side surfaces of the dividing plate 5 are formed as cam faces of sine wave shape having same thickness from the inner circumferential surface to the outer circumferential surface when the side surface is spread.
- first vane 6 A and the second vane 6 B are formed as cuboids roughly, one side surfaces thereof are contacted to upper and lower side cam faces of the dividing plate 5 after penetrating the bearing plates 3 A and 3 B.
- sliding recesses 6 a and 6 b are formed so that the first and the second torsion bars 11 and 12 are mounted after sliding toward the radial direction of the rotating shaft 4 .
- the first and second torsion bars 11 and 12 make closed loops and are formed as polygons having bent portions (not shown) on intermediate parts thereof.
- One sides of the bars are mounted on the sliding recesses 6 a and 6 b of the respective vanes 6 A and 6 B, and the other sides are fixed by being pushed by additional supporting members 21 and 22 coupled or welded on the respective bearing plates 3 A and 3 B.
- first torsion bar 11 and the second torsion bar 12 may be formed as the closed loop of singular material as shown in the present embodiment, however, as shown in FIG. 8, these may be formed as opened loops of singular material and fixed on respective surfaces of the bearing plates 3 A and 3 B.
- the bars may be formed as closed loops or the opened loops, and fixing portion and supporting portion are located on different bearing plates from each other.
- first torsion bar 11 and the second torsion bar 12 are formed using a linear material having circular or square cross section.
- unexplained reference numerals 2 a and 2 b represent suction ports of the respective spaces
- 3 a and 3 b represent discharge ports
- 7 A and 7 B are discharge mufflers
- 7 a and 7 b are discharge holes
- DP is a discharge pipe
- SP represents a suction pipe.
- the rotating shaft 4 is rotated with the dividing plate 5 and the vanes 6 A and 6 B contacted on upper and lower side surfaces of the dividing plate 5 are undergone reciprocating movements toward upper and lower directions along with the height of the dividing plate 5 .
- the new fluid is sucked into the first space S 1 and the second space S 2 of the cylinder simultaneously, compressed gradually, and discharged simultaneously as soon as a top dead center or a bottom dead center of the dividing plate 5 reaches to a discharge starting point, and these processes are repeated.
- the respective torsion bars 11 and 12 are bent along with the respective vanes 6 A and 6 B as accumulating elastic force centering around fixing points of the respective supporting members 21 and 22 until the dividing plate 5 reaches to the top dead center or to the bottom dead center, and then, restored from the time point when the first and second spaces S 1 and S 2 starts to suck and pushes the contacting ends of the respective vanes 6 A and 6 B so as to adhere to the respective cam faces of the dividing plate 5 , and thereby, the first and second spaces S 1 and S 2 can be maintained as sealed.
- the vanes 6 A and 6 B are elastically supported by the first torsion bar 11 and the second torsion bar 12 , and thereby, the height of the supporting apparatus for supporting the vanes 6 A and 6 B can be reduced as shown in FIG. 7, and a distance (L 2 ) between the motor device unit and the compression device unit can be reduced to reduce the entire length of the compressor.
- the vanes contacted to both cam faces of the dividing plate are supported by the torsion bars having square or circular cross sections, and thereby, the height of the supporting apparatus supporting the respective vanes is reduced to narrow the distance between the motor device unit and the compression device unit. Accordingly, the length of the compressor in shaft direction can be reduced, and thereby, the compressor can be miniaturized.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compressor (AREA)
Abstract
A vane supporting apparatus for a hermetic compressor supports vanes contacting to both cam faces of a dividing plate using torsion bars having square or circular cross sections, and thereby a height of the supporting apparatus supporting the respective vanes is lowered to reduce a distance between a motor device unit and a compression device unit, and accordingly, a length of the compressor in shaft direction is reduced to realize miniaturization of the compressor.
Description
- The present invention relates to a vane supporting apparatus for a hermetic compressor, and particularly, to a vane supporting apparatus for a hermetic compressor which is able to reduce a length of the compressor in shaft direction by lowering a height.
- Generally, a hermetic compressor using a vane as a component thereof (hereinafter, referred to as a hermetic compressor) divides an inner space of a cylinder into a suction area and a compression area by installing the vane to be contacted to a rotator body, changes the suction area and the compression area with each other successively according to phases of the rotating body when the rotating body is operated to suck, to compress, and to discharge fluid.
- FIG. 1 is a longitudinal cross-sectional view showing an example of a conventional hermetic compressor, and FIG. 2 is a partially enlarged view showing a vane supporting apparatus in the conventional hermetic compressor.
- As shown therein, the conventional hermetic compressor comprises: a motor device unit consisting of a stator (Ms) and a rotor (Mr) for generating driving power on an inner upper portion of a
casing 1, and a compression device unit connected to the rotor (Mr) for sucking, compressing and discharging the fluid. - The compression device unit comprises: a
cylinder 2 fixed on a lower part of thecasing 1; afirst bearing plate 3A and a second bearingplate 3B fixed on an upper surface and on a lower surface of thecylinder 2 to form an inner space of thecylinder 2; arotating shaft 4 coupled to the rotor (Mr) of the motor device unit and penetratingly coupled to therespective bearing plates plate 5 coupled to the rotatingshaft 4 or made integrally with the rotatingshaft 4 for dividing the inner space of thecylinder 2 into a first space (S1) and a second space (S2); afirst vane 6A and asecond vane 6B having lower ends and upper ends contacted to both surfaces of the dividingplate 5 respectively for dividing the respective spaces S1 and S2 into the suction area and the compression area when the rotatingshaft 4 is rotated; and afirst spring assembly 8A and asecond spring assembly 8B for elastically supporting therespective vanes - The dividing
plate 5 is formed as a disc when it is projected on a plane so that an outer circumferential surface thereof can be slidingly contacted to an inner circumferential surface of thecylinder 2, and both side surfaces of the dividingplate 5 are formed as cam faces of sine wave shape having same thickness from the inner circumferential surface to the outer circumferential surface when these are spread. - In addition, the first and
second vanes respective bearing plates plate 5 as described above, and reciprocate toward the shaft direction when the rotatingshaft 4 is rotated. - In addition, outer side surfaces of the
respective vanes cylinder 2, however, inner side surfaces of therespective vanes shaft 4 as slid. - The
first spring assembly 8A and thesecond spring assembly 8B comprise a first and a second supportingsprings respective vanes first spring holder 8 b and asecond spring holder 8 d for receiving the respective supportingsprings first bearing plate 3A and on the second bearingplate 3B. - In Figures,
unexplained reference numerals - Hereinafter, operations of the compressor will be described.
- When electric power is applied to the motor device unit to rotate the rotor (Mr), the
rotating shaft 4 coupled to the rotor (Mr) is rotated to one direction with the dividingplate 5, and thevanes plate 5 reciprocate to opposite directions of each other according to the height of the dividingplate 5 to vary volumes of the first and second spaces S1 and S2. - And new fluid is sucked simultaneously through the
suction ports discharge ports plate 5 reaches to a discharge starting point. - However, in the conventional compressor, the
first spring 8 a and thesecond spring 8 c supporting therespective vanes rotating shaft 4, and therefore, a distance (L1) between the motor device unit and the compression device unit as much as the length of the compressive coil spring is increased, and the entire length of the compressor is increased in the shaft direction. - Therefore, it is an object of the present invention to provide a vane supporting apparatus for a compressor which is able to miniaturize the compressor by decreasing a height of supporting members for supporting respective vanes.
- To achieve the object, there is provided a vane supporting apparatus for a hermetic compressor, comprising: a sealed casing; a motor device unit fixedly coupled to an inner upper part of the casing for generating driving power; a cylinder fixedly coupled to a lower part of the casing; a first bearing plate and a second bearing plate fixed on upper and lower surfaces of the cylinder for forming inner space of the cylinder together; a rotating shaft coupled to a rotor of the motor device unit and located as penetrating the respective bearing plates; a dividing plate coupled to the rotating shaft for dividing the inner space into a plurality of sealed spaces in the inner space of the cylinder; a plurality of vanes contacted to both surfaces of the dividing plate and undergone reciprocating movements along with axial line direction when the rotating shaft is rotated for converting the respective sealed spaces into a suction area and a compression area; at least one or more torsion bars having one side elastically supporting the respective vanes; and a fixing member for fixing the other side of the torsion bar on the cylinder.
- FIG. 1 is a longitudinal cross-sectional view showing an example of a conventional hermetic compressor;
- FIG. 2 is a partially enlarged view showing a vane supporting apparatus in the conventional hermetic compressor;
- FIG. 3 is a longitudinal cross-sectional view showing an embodiment of a hermetic compressor according to the present invention;
- FIG. 4 is a front view showing a vane supporting apparatus in the hermetic compressor according to the present invention;
- FIG. 5 is a plane view showing the vane supporting apparatus in the hermetic compressor according to the present invention;
- FIG. 6 is a perspective view showing a coupled status of a torsion bar and a vane in the vane supporting apparatus in the hermetic compressor according to the present invention;
- FIG. 7 is a partially enlarged view showing the vane supporting apparatus for the hermetic compressor according to the present invention; and
- FIG. 8 is a plane view showing another embodiment of the vane supporting apparatus for the hermetic compressor according to the present invention.
- Hereinafter, a vane supporting apparatus for a hermetic compressor according to the present invention will be described with reference to embodiments shown in accompanying Figures.
- FIG. 3 longitudinal cross-sectional view showing an embodiment of a hermetic compressor according to the present invention, FIG. 4 and FIG. 5 are a front view and a plane view showing a vane supporting apparatus in the hermetic compressor according to the present invention, FIG. 6 is a perspective view showing a coupled status of a torsion bar and a vane in the vane supporting apparatus in the hermetic compressor according to the present invention, FIG. 7 is a partially enlarged view showing the vane supporting apparatus for the hermetic compressor according to the present invention, and FIG. 8 is a plane view showing another embodiment of the vane supporting apparatus for the hermetic compressor according to the present invention.
- As shown therein, the compressor including the vane supporting apparatus according to the present invention comprises: a stator (Ms) and a rotor (Mr) fixed on inner upper part of a
casing 1 for making a motor device unit, acylinder 2 fixedly coupled to a lower part of thecasing 1, afirst bearing plate 3A and a second bearingplate 3B fixed on upper and lower surface of the cylinder for forming an inner space of thecylinder 2 together, arotating shaft 4 coupled to the rotor (Mr) and penetrating therespective bearing plates plate 5 coupled to the rotatingshaft 4 or made integrally with the rotatingshaft 4 for dividing the inner space of thecylinder 2 into a first space S1 and a second space S2, afirst vane 6A and asecond vane 6B of which a lower end and an upper end are contacted to both surfaces of the dividingplate 5 to divide the respective spaces S1 and S2 into a suction area and a compression area when the rotatingshaft 4 is rotated, and afirst torsion bar 11 and asecond torsion bar 12 for elastically supporting therespective vanes - The dividing
plate 5 is formed as a disc when it is projected on a plane so that an outer circumferential surface of the dividingplate 5 is contacted to the inner circumferential surface of thecylinder 2 as slid, and both side surfaces of the dividingplate 5 are formed as cam faces of sine wave shape having same thickness from the inner circumferential surface to the outer circumferential surface when the side surface is spread. - In addition, the
first vane 6A and thesecond vane 6B are formed as cuboids roughly, one side surfaces thereof are contacted to upper and lower side cam faces of the dividingplate 5 after penetrating thebearing plates recesses second torsion bars shaft 4. - The first and
second torsion bars sliding recesses respective vanes members respective bearing plates - On the other hand, the
first torsion bar 11 and thesecond torsion bar 12 may be formed as the closed loop of singular material as shown in the present embodiment, however, as shown in FIG. 8, these may be formed as opened loops of singular material and fixed on respective surfaces of thebearing plates - Also, the bars may be formed as closed loops or the opened loops, and fixing portion and supporting portion are located on different bearing plates from each other.
- In addition, the
first torsion bar 11 and thesecond torsion bar 12 are formed using a linear material having circular or square cross section. - In Figures,
unexplained reference numerals - Hereinafter, operations and effects of the vane supporting apparatus for the compressor according to the present invention will be described as follows.
- When the electric power is applied to the motor device unit, the rotating
shaft 4 is rotated with the dividingplate 5 and thevanes plate 5 are undergone reciprocating movements toward upper and lower directions along with the height of the dividingplate 5. In above process, the new fluid is sucked into the first space S1 and the second space S2 of the cylinder simultaneously, compressed gradually, and discharged simultaneously as soon as a top dead center or a bottom dead center of the dividingplate 5 reaches to a discharge starting point, and these processes are repeated. - At that time, the
respective torsion bars respective vanes members plate 5 reaches to the top dead center or to the bottom dead center, and then, restored from the time point when the first and second spaces S1 and S2 starts to suck and pushes the contacting ends of therespective vanes plate 5, and thereby, the first and second spaces S1 and S2 can be maintained as sealed. - As described above, the
vanes first torsion bar 11 and thesecond torsion bar 12, and thereby, the height of the supporting apparatus for supporting thevanes - In the vane supporting apparatus for the hermetic compressor according to the present invention, the vanes contacted to both cam faces of the dividing plate are supported by the torsion bars having square or circular cross sections, and thereby, the height of the supporting apparatus supporting the respective vanes is reduced to narrow the distance between the motor device unit and the compression device unit. Accordingly, the length of the compressor in shaft direction can be reduced, and thereby, the compressor can be miniaturized.
- As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalence of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (5)
1. A vane supporting apparatus for a hermetic compressor, comprising:
a sealed casing; a motor device unit fixedly coupled to an inner upper part of the casing for generating driving power;
a cylinder fixedly coupled to a lower part of the casing;
a first bearing plate and a second bearing plate fixed on upper and lower surfaces of the cylinder for forming inner space of the cylinder together;
a rotating shaft coupled to a rotor of the motor device unit and located as penetrating the respective bearing plates;
a dividing plate coupled to the rotating shaft for dividing the inner space into a plurality of sealed spaces in the inner space of the cylinder;
a plurality of vanes contacted to both surfaces of the dividing plate and undergone reciprocating movements along with axial line direction when the rotating shaft is rotated for converting the respective sealed spaces into a suction area and a compression area;
at least one or more torsion bars having one side elastically supporting the respective vanes; and
a fixing member for fixing the other side of the torsion bar on the cylinder.
2. The apparatus of claim 1 , wherein the torsion bars are formed as closed loops having bent portions on intermediate parts thereof.
3. The apparatus of claim 1 , wherein the torsion bars are formed as opened loops having bent portions on intermediate parts thereof.
4. The apparatus of claim 1 , wherein the vanes includes sliding recesses on surfaces contacting to the torsion bars so that the torsion bars can be slid toward a radial direction of the cylinder.
5. The apparatus of claim 1 , wherein the torsion bars have circular or square cross sections.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2001-76702 | 2001-12-05 | ||
KR1020010076702A KR100806110B1 (en) | 2001-12-05 | 2001-12-05 | Vane Support of Hermetic Compressor |
Publications (1)
Publication Number | Publication Date |
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US20030190248A1 true US20030190248A1 (en) | 2003-10-09 |
Family
ID=19716673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/381,135 Abandoned US20030190248A1 (en) | 2001-12-05 | 2002-11-28 | Vane supporting apparatus for hermetic compressor |
Country Status (6)
Country | Link |
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US (1) | US20030190248A1 (en) |
JP (1) | JP2005511958A (en) |
KR (1) | KR100806110B1 (en) |
AU (1) | AU2002365786A1 (en) |
BR (1) | BR0206976B1 (en) |
WO (1) | WO2003048581A1 (en) |
Cited By (1)
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ITTV20110140A1 (en) * | 2011-10-14 | 2013-04-15 | Perinot Claudio | VOLUMETRIC ROTARY MACHINE. |
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JPS5841292A (en) * | 1981-09-04 | 1983-03-10 | Hitachi Ltd | Rotary compressor |
JPS61175593U (en) * | 1984-12-27 | 1986-11-01 | ||
US4664608A (en) * | 1985-11-04 | 1987-05-12 | General Electric Company | Rotary compressor with reduced friction between vane and vane slot |
US5129799A (en) * | 1991-09-09 | 1992-07-14 | General Electric Company | Torsional vane spring |
JPH06257577A (en) * | 1993-03-08 | 1994-09-13 | Matsushita Refrig Co Ltd | Horizontal rotary compressor |
JPH08210283A (en) * | 1995-02-07 | 1996-08-20 | Matsushita Electric Ind Co Ltd | Rotary type compressor |
KR100763157B1 (en) * | 2001-11-20 | 2007-10-05 | 주식회사 엘지이아이 | Vane Support of Hermetic Compressor |
-
2001
- 2001-12-05 KR KR1020010076702A patent/KR100806110B1/en not_active Expired - Fee Related
-
2002
- 2002-11-28 US US10/381,135 patent/US20030190248A1/en not_active Abandoned
- 2002-11-28 JP JP2003549739A patent/JP2005511958A/en active Pending
- 2002-11-28 AU AU2002365786A patent/AU2002365786A1/en not_active Abandoned
- 2002-11-28 WO PCT/KR2002/002235 patent/WO2003048581A1/en not_active Application Discontinuation
- 2002-11-28 BR BRPI0206976-8A patent/BR0206976B1/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3532448A (en) * | 1969-03-18 | 1970-10-06 | Gen Electric | Rotary compressor |
US5806336A (en) * | 1994-11-29 | 1998-09-15 | Sanyo Electric Co., Ltd. | Refrigeration apparatus and lubricating oil composition |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTV20110140A1 (en) * | 2011-10-14 | 2013-04-15 | Perinot Claudio | VOLUMETRIC ROTARY MACHINE. |
Also Published As
Publication number | Publication date |
---|---|
KR20030046229A (en) | 2003-06-12 |
JP2005511958A (en) | 2005-04-28 |
KR100806110B1 (en) | 2008-02-21 |
BR0206976A (en) | 2008-08-26 |
BR0206976B1 (en) | 2011-04-19 |
WO2003048581A1 (en) | 2003-06-12 |
AU2002365786A1 (en) | 2003-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: LG ELECTRONICS INC., KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YANG, KWANG-SIK;REEL/FRAME:014232/0106 Effective date: 20030212 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |