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WO1999061752A1 - Machine rotative - Google Patents

Machine rotative Download PDF

Info

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
Application number
PCT/GB1999/001419
Other languages
English (en)
Inventor
Ronald William Driver
Original Assignee
Driver Technology Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Driver Technology Limited filed Critical Driver Technology Limited
Priority to KR1020007013158A priority Critical patent/KR20010025094A/ko
Priority to EP99923731A priority patent/EP1082521A1/fr
Priority to AU40497/99A priority patent/AU4049799A/en
Priority to CA002332965A priority patent/CA2332965A1/fr
Priority to JP2000551120A priority patent/JP2002516942A/ja
Publication of WO1999061752A1 publication Critical patent/WO1999061752A1/fr
Priority to US09/726,458 priority patent/US20020020171A1/en

Links

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

L'invention concerne une machine rotative possédant un rotor (10) monté excentrique dans un carter (11) rotatif et doté de pales (14) à espacement circonférentiel adaptées pour pivoter vers l'intérieur et vers l'extérieur, l'extrémité extérieure de chaque pale étant obligée de suivre de près la paroi intérieure du carter (11). Le mouvement pivotant des pales est produit par un dispositif coulissant (19) relié excentrique à l'arbre pivot (17) de chaque pale (14) et adapté de manière à coulisser dans un creux (20) d'un disque (21) librement rotatif dans le même axe que le carter (11).
PCT/GB1999/001419 1997-12-05 1999-05-21 Machine rotative WO1999061752A1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100644888B1 (ko) * 2004-12-10 2006-11-15 엘지전자 주식회사 카메라의 전동 패닝 장치

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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