WO1999061752A1 - Machine rotative - Google Patents
Machine rotative Download PDFInfo
- Publication number
- WO1999061752A1 WO1999061752A1 PCT/GB1999/001419 GB9901419W WO9961752A1 WO 1999061752 A1 WO1999061752 A1 WO 1999061752A1 GB 9901419 W GB9901419 W GB 9901419W WO 9961752 A1 WO9961752 A1 WO 9961752A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotary machine
- vane
- groove
- machine according
- casing
- Prior art date
Links
- 238000005461 lubrication Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- 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
- F01C1/00—Rotary-piston machines or engines
- F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F01C1/40—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 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 F01C1/08 or F01C1/22 and having a hinged member
- F01C1/44—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 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 F01C1/08 or F01C1/22 and having a hinged member with vanes hinged to the inner member
Definitions
- THIS INVENTION concerns rotary machines of the kind having a rotor eccentrically mounted within a casing the rotor having a plurality of movable vanes disposed about its circumference, each vane being connected to means whereby it may swing inwardly and outwardly as the rotor rotates so that the tips of the vanes are constrained to follow closely the internal wall of the casing.
- the machine operates such that gaseous fluid introduced into the spaces between the vanes is alternately compressed and expanded in different zones of the eccentric rotation.
- Valves or ports in the wall of the casing of the machine are provided for the supply or recovery of air or gases within the spaces whereby the machine may be used either as a compressor or a turbine, or both.
- the machine has many uses such as enhancement of the efficiency and economic operation of an internal combustion engine which in certain cases can overcome the problems of throttle loss at low engine speeds, or it may operate as a heat pump.
- the mechanism used to cause the v anes to swing inwardly and outwardly as the machine rotates conventionally comprises a crank on the pivotal axis of each vane, the offset pivot of the crank being connected to a spoke rotationally mounted on the axis of the casing.
- a machine is used as a heat pump or if the required speed is excessive the loads on the rotating connecting rods or spokes increase considerably.
- the spokes must be of considerable thickness which, however, excessively increases the weight and the overall length of machine.
- To overcome this problem there have been proposals to dispense with the spokes and to provide, instead, a device which slides within a groove in a fixed end member. However, this presents further difficulties in the design and running conditions of the bearing surfaces of the sliding member and groove.
- a rotary machine having a rotor eccentrically mounted in a casing, the rotor having a plurality of vanes disposed about its circumference, each vane being connected to means to cause the vane, during rotation of the rotor, to pivot radial ly outwardly such that the outermost extremity of each vane is constrained to follow closely the internal wall of the casing, said means being constrained to follow at least one track in a member rotatable upon the same axis as the casing.
- the means may be slidably engaged within at least one groove in said casing.
- Lubrication means may be provided within the groove or grooves.
- the groove is preferably provided in a disc which is freely rotatably mounted about the centre of the circle described by the vane tips whereby its rotational speed is determined by any frictional drag forces of the sl iding means within the groove or grooves, which frictional force will be proportional to the load times the speed.
- the disc By allowing the disc to be freely rotatable its rotational speed is established automatically as that which gives the least frictional force to the sliding members.
- the disc speed will be at or close to the speed of rotation of the rotor.
- Fig. 1 is a schematic end view of a rotary machine of the kind incorporating the invention
- Fig. 2 is a schematic perspective view of part of the machine
- Fig. 3 is a cross-sectional view of a modified form thereof.
- a rotor 10 adapted to rotate within a cylindrical casing 1 1 the axes of the rotor ( 10a) and the casing ( 1 1 a) being mutually offset.
- the rotor 10 comprises a pair of axially spaced discs 9 defining a central channel 12 about the reduced circumference 13 of which there is provided a series of pivotal vanes 14 which thus divide the channel 12 into a number of discrete arcuate spaces 15.
- Such a machine is known, for example, from International Patent Publication No. WO 96/39571.
- the vanes 14 are pivotally mounted about their innermost ends so that their tips 16 are able to swing inwardly and outwardly in a general radial direction as the rotor rotates such that the tips 16 may follow a circular path equivalent to the inner wall of the casing 1 1 . This can be seen from Fig. 1.
- an improved mechanism connected through one or both discs 9 of the rotor 10 to each vane 14.
- a crank arm 18 On its axis of rotation at one or both ends of a shaft 17 is a crank arm 18 from the radially outer end of which there extends in a direction parallel to the shaft 17 a slipper 19 adapted to slide within a groove 20 in an outer disc 21 which is freely rotatably mounted on the axis 1 1 a of rotation of the casing 1 1.
- the sliding engagement o f the slipper 19 within the groove 20 ensures accurate varying displacement of the associated vane 14 as the machine rotates. Since the disc 21 is freely rotatable minimal bearing friction between the groove and the slipper is achieved.
- Fig. 3 in an improved embodiment the slipper 19 is replaced by a pair of stub axles 22 pivotally mounted within an enlarged slipper 23 which again slides within a groove 20 of the disc 21.
- Lubrication ports 24 and 25 may be provided if required.
- the item containing the lubrication port 25 is, in effect, formed by the radial inner wall of the groove 20. This prevents the slipper, and thus the vane tips, from moving radially inwardly at slow speeds when gaseous fluids within the spaces 15 might otherwise overcome the centrifugal forces tending normally to move the vanes outwardly.
- crank arm 18 may be bonded to the vane shaft 17 for ease of assembly.
- the crank arm 18 may instead carry a clevis, with a roller bearing or the like mounted between the legs of the clevis.
- the slipper 19, 23 may carry, or be replaced by, a pair of needle roller bearings for smoother running, which could therefore be grease sealed to avoid the need for oil lubrication.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020007013158A KR20010025094A (ko) | 1998-05-23 | 1999-05-21 | 회전기계 |
EP99923731A EP1082521A1 (fr) | 1998-05-23 | 1999-05-21 | Machine rotative |
AU40497/99A AU4049799A (en) | 1998-05-23 | 1999-05-21 | A rotary machine |
CA002332965A CA2332965A1 (fr) | 1998-05-23 | 1999-05-21 | Machine rotative |
JP2000551120A JP2002516942A (ja) | 1998-05-23 | 1999-05-21 | 回転機械 |
US09/726,458 US20020020171A1 (en) | 1997-12-05 | 2000-12-01 | Rotary machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9811111.5A GB9811111D0 (en) | 1998-05-23 | 1998-05-23 | A rotary machine |
GB9811111.5 | 1998-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999061752A1 true WO1999061752A1 (fr) | 1999-12-02 |
Family
ID=10832593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1999/001419 WO1999061752A1 (fr) | 1997-12-05 | 1999-05-21 | Machine rotative |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1082521A1 (fr) |
JP (1) | JP2002516942A (fr) |
KR (1) | KR20010025094A (fr) |
CN (1) | CN1303464A (fr) |
AU (1) | AU4049799A (fr) |
CA (1) | CA2332965A1 (fr) |
GB (1) | GB9811111D0 (fr) |
WO (1) | WO1999061752A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2833048A1 (fr) | 2001-11-30 | 2003-06-06 | Rene Snyders | Machine volumetrique rotative fonctionnant sans frottement dans le volume de travail et supportant des pressions et des temperatures elevees |
US8684715B2 (en) | 2007-05-28 | 2014-04-01 | Michael Stegmair | Vane machine |
DE102012109679A1 (de) * | 2012-10-11 | 2014-04-17 | Anton Grassl | Flügelzellenmaschine und Druckgaserzeugungsvorrichtung |
US10012081B2 (en) | 2015-09-14 | 2018-07-03 | Torad Engineering Llc | Multi-vane impeller device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100644888B1 (ko) * | 2004-12-10 | 2006-11-15 | 엘지전자 주식회사 | 카메라의 전동 패닝 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB480856A (en) * | 1936-07-25 | 1938-02-25 | Melville Bertram Booth | Improvements in or relating to rotary pumps, compressors, prime movers and the like |
US2604853A (en) * | 1946-08-02 | 1952-07-29 | Taylor Francis William | Rotary fluid pump or motor |
FR1034757A (fr) * | 1951-02-02 | 1953-07-31 | Perfectionnements aux pompes rotatives | |
USRE24302E (en) * | 1957-04-16 | farrell | ||
WO1996039571A1 (fr) | 1995-06-06 | 1996-12-12 | P. D. T. Engineering Technology Limited | Machine rotative pour fluide a deplacement positif |
-
1998
- 1998-05-23 GB GBGB9811111.5A patent/GB9811111D0/en not_active Ceased
-
1999
- 1999-05-21 EP EP99923731A patent/EP1082521A1/fr not_active Withdrawn
- 1999-05-21 WO PCT/GB1999/001419 patent/WO1999061752A1/fr not_active Application Discontinuation
- 1999-05-21 AU AU40497/99A patent/AU4049799A/en not_active Abandoned
- 1999-05-21 JP JP2000551120A patent/JP2002516942A/ja active Pending
- 1999-05-21 CN CN99806630A patent/CN1303464A/zh active Pending
- 1999-05-21 KR KR1020007013158A patent/KR20010025094A/ko not_active Withdrawn
- 1999-05-21 CA CA002332965A patent/CA2332965A1/fr not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE24302E (en) * | 1957-04-16 | farrell | ||
GB480856A (en) * | 1936-07-25 | 1938-02-25 | Melville Bertram Booth | Improvements in or relating to rotary pumps, compressors, prime movers and the like |
US2604853A (en) * | 1946-08-02 | 1952-07-29 | Taylor Francis William | Rotary fluid pump or motor |
FR1034757A (fr) * | 1951-02-02 | 1953-07-31 | Perfectionnements aux pompes rotatives | |
WO1996039571A1 (fr) | 1995-06-06 | 1996-12-12 | P. D. T. Engineering Technology Limited | Machine rotative pour fluide a deplacement positif |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2833048A1 (fr) | 2001-11-30 | 2003-06-06 | Rene Snyders | Machine volumetrique rotative fonctionnant sans frottement dans le volume de travail et supportant des pressions et des temperatures elevees |
US8684715B2 (en) | 2007-05-28 | 2014-04-01 | Michael Stegmair | Vane machine |
DE102012109679A1 (de) * | 2012-10-11 | 2014-04-17 | Anton Grassl | Flügelzellenmaschine und Druckgaserzeugungsvorrichtung |
US10012081B2 (en) | 2015-09-14 | 2018-07-03 | Torad Engineering Llc | Multi-vane impeller device |
Also Published As
Publication number | Publication date |
---|---|
CA2332965A1 (fr) | 1999-12-02 |
AU4049799A (en) | 1999-12-13 |
CN1303464A (zh) | 2001-07-11 |
KR20010025094A (ko) | 2001-03-26 |
GB9811111D0 (en) | 1998-07-22 |
JP2002516942A (ja) | 2002-06-11 |
EP1082521A1 (fr) | 2001-03-14 |
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