US20090155113A1 - Variable delivery vane oil pump - Google Patents
Variable delivery vane oil pump Download PDFInfo
- Publication number
- US20090155113A1 US20090155113A1 US11/719,735 US71973505A US2009155113A1 US 20090155113 A1 US20090155113 A1 US 20090155113A1 US 71973505 A US71973505 A US 71973505A US 2009155113 A1 US2009155113 A1 US 2009155113A1
- Authority
- US
- United States
- Prior art keywords
- rotor
- stator
- vanes
- axis
- pump
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
Images
Classifications
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
- F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
- F04C14/226—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam by pivoting the cam around an eccentric axis
-
- 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
- F01C21/0836—Vane tracking; control therefor by mechanical means comprising guiding means, e.g. cams, rollers
-
- 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
- F01C21/0881—Construction of vanes or vane holders the vanes consisting of two or more parts
-
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/348—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
Definitions
- the present innovation relates to a variable delivery vane oil pump.
- variable delivery vane oil pump of the type comprising a rotor, which is mounted to turn about its longitudinal axis, and presents a plurality of outwardly radially open grooves; a stator, which extends about the rotor, and is eccentrically mounted with respect to the rotor itself; a plurality of vanes, each of which is slidingly mounted inside a respective groove, and presents an outer edge arranged essentially in contact with the stator; and adjusting means for selectively controlling the eccentricity between the rotor and the stator and, therefore, the delivery of the pump.
- variable delivery vane oil pumps of the type described above present some drawbacks mainly deriving from the fact of presenting a relatively high sliding friction between the vanes and the stator.
- variable delivery vane oil pump as claimed in the attached claims.
- FIG. 1 is a schematic longitudinal section of a preferred embodiment of the vane pump of this innovation
- FIG. 2 is a section taken along line II-II in FIG. 1 ;
- FIG. 3 is a section taken along line III-III in FIG. 1 .
- variable delivery vane pump for feeding oil to a lubrication circuit (not shown) of an internal combustion engine (not shown) of a vehicle (not shown).
- the pump 1 comprises a supporting case 2 , which has an essentially parallelepiped rectangular section, and comprises, in turn, a first plate 3 laterally limited by an essentially flat surface 4 .
- the plate 3 is provided with a cavity 5 , which presents a longitudinal axis 6 orthogonal to the surface 4 , opens outwardly at the surface 4 , and is axially closed by a second plate 7 arranged in contact with the surface 4 itself.
- the pump 1 further comprises a power shaft 8 , which is mounted through the plates 3 and 7 to turn about the axis 6 , and carries a keyed cylindrical rotor 9 , which is housed inside the cavity 5 , and presents a width, measured parallelly to the axis 6 , essentially equal to the width of the cavity 5 , also measured parallelly to the axis 6 .
- the cavity 5 further houses inside a stator 10 , which extends about the rotor 9 , presents a width, measured parallelly to the axis 6 , essentially equal to the width of the cavity 5 also measured parallelly to the axis 6 , and is internally limited by an essentially cylindrical surface 11 arranged in eccentric position with respect to the rotor 9 .
- the stator 10 is hinged to the plate 3 to oscillate, with respect to the plate 3 itself and under the control of an adjusting device 12 of a known type, about a fulcrum axis 13 parallel to the axis 6 and therefore allowing to selectively control the eccentricity between the rotor 9 and the surface 11 .
- the rotor 9 presents two cylindrical reciprocally opposite cavities 14 , which are obtained coaxially to the axis 6 , and one facing the plate 3 and the other the plate 7 , and is provided with a plurality of radial grooves 15 (in the case shown, six grooves 15 ), which are obtained through the rotor 9 parallelly to the axis 6 , are uniformly distributed about the axis 6 , radially outwardly open at an outer surface 16 of the rotor 9 coaxially to the axis 6 , and further open axially outwardly at the cavities 14 .
- Each groove 15 is slidingly engaged by a vane 17 presenting an outer edge 18 , which extends parallelly to the axis 6 , and is arranged essentially in contact with the surface 11 of the stator 10 by arranging an annular shoe 19 in between.
- the shoe 19 presents a width, measured parallelly to the axis 6 , essentially equal to the width of a vane 17 also measured parallel to the axis 6 , and circumferentially coupled both to the stator 10 , and to the vanes 17 .
- Each vane 17 axially projects from the respective groove 15 inside the cavities 14 , and presents an inner edge 20 , which extends parallel to the axis 6 , and is essentially arranged in contact with two annular elements 21 , each of which is accommodated inside one of the cavities 14 , extends about the shaft 8 , and presents a diameter larger than the diameter of the shaft 8 and smaller than the diameter of the respective cavity 14 so as to float inside the respective cavity 14 itself.
- Each pair of respectively adjacent vanes 17 circumferentially defines a respective pumping chamber 22 , which is further limited radially by the rotor 9 and by the shoe 19 and axially by the plates 3 and 7 , is shifted by the rotor 9 about the axis 6 and through a suction inlet 23 and a delivery outlet 24 of the oil, and presents, following the rotation of the rotor 9 about the axis 6 and the eccentricity between the rotor 9 and the surface 11 of the stator 10 , a variable volume.
- each vane 17 comprises a plurality of foils 25 (in the case shown, four foils 25 ), which are reciprocally overlapped, and are slidingly radially coupled one to the other to ensure a relatively efficient fluidtight coupling between the vane 17 and the shoe 19 .
- the shoe 19 is housed inside a respective cavity, which are obtained in the stator 10 , and opens outwardly at the surface 11 , and projects outwardly from the respective cavity to arrange itself in contact with the respective vanes 17 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000088U ITBO20040088U1 (it) | 2004-11-19 | 2004-11-19 | Pompa olio a palette a portata variabile |
ITBO2004U000088 | 2004-11-19 | ||
PCT/IB2005/003452 WO2006054158A1 (en) | 2004-11-19 | 2005-11-18 | Variable delivery vane oil pump |
Publications (1)
Publication Number | Publication Date |
---|---|
US20090155113A1 true US20090155113A1 (en) | 2009-06-18 |
Family
ID=36061710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/719,735 Abandoned US20090155113A1 (en) | 2004-11-19 | 2005-11-18 | Variable delivery vane oil pump |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090155113A1 (ja) |
EP (1) | EP1812712B1 (ja) |
JP (1) | JP2008520897A (ja) |
CN (1) | CN101087959B (ja) |
IT (1) | ITBO20040088U1 (ja) |
WO (1) | WO2006054158A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090175750A1 (en) * | 2004-11-19 | 2009-07-09 | H.P.E. High Performance Engeneering S.R.I. | Variable delivery vane oil pump, in particular for oil |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007007293A1 (de) * | 2007-02-14 | 2008-08-21 | Zf Lenksysteme Gmbh | Verstellbare Verdrängerpumpe |
US8182248B2 (en) * | 2007-11-29 | 2012-05-22 | Hamilton Sundstrand Corporation | Vane pump with tilting pad radial bearings |
CN102678545B (zh) * | 2012-05-28 | 2015-04-22 | 山西斯普瑞机械制造股份有限公司 | 高压减磨柱销式叶片泵 |
CN103114993B (zh) * | 2012-12-05 | 2015-11-18 | 胡凯 | 一种阶梯叶片式液压机械 |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2974603A (en) * | 1957-06-28 | 1961-03-14 | Fraser Andrew | Vaned rotary pumps and motors |
US3111905A (en) * | 1960-09-02 | 1963-11-26 | Eickmann Karl | Casing capsule ring arrangement for a rotary vane machine |
US3143079A (en) * | 1961-08-07 | 1964-08-04 | James F Carner | Reversible discharge flow and variable displacement pump |
US3153384A (en) * | 1961-06-12 | 1964-10-20 | Pacific Ind Mfg Co | Vane type pump |
US3190074A (en) * | 1963-11-22 | 1965-06-22 | Stanley S Johns | Hydraulic transmission |
US3779216A (en) * | 1972-06-05 | 1973-12-18 | R Britt | Variable explosion-displacement rotary engine |
US4353337A (en) * | 1977-08-29 | 1982-10-12 | Rosaen Oscar E | Rotary engine |
US4538974A (en) * | 1983-09-17 | 1985-09-03 | Glyco Antriebstechnik Gmbh | Vane-type oil pump for automotive vehicle |
US4697996A (en) * | 1985-05-20 | 1987-10-06 | Mannesmann Rexroth Gmbh | Rotary pump with adjustable cam ring |
US5752815A (en) * | 1995-09-12 | 1998-05-19 | Mercedes Benz Ag | Controllable vane pump |
US20010055538A1 (en) * | 2000-01-20 | 2001-12-27 | Willi Schneider | Vane cell pump/motor |
US6558132B2 (en) * | 2001-09-24 | 2003-05-06 | General Motors Corporation | Variable displacement pump |
US7108493B2 (en) * | 2002-03-27 | 2006-09-19 | Argo-Tech Corporation | Variable displacement pump having rotating cam ring |
US7247008B2 (en) * | 2002-07-19 | 2007-07-24 | Argo-Tech Corporation | Cam ring bearing for fuel delivery system |
US7832995B2 (en) * | 2006-11-01 | 2010-11-16 | Hitachi, Ltd. | Variable displacement vane pump and method of manufacturing the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR778346A (fr) * | 1933-12-05 | 1935-03-14 | Perfectionnements aux surpresseurs à palettes | |
JPS5351529U (ja) * | 1976-10-05 | 1978-05-02 | ||
DE3014519A1 (de) * | 1980-04-16 | 1981-10-22 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Drehkolbenmaschine, insbesondere zellenpumpe |
JP2582863Y2 (ja) * | 1992-08-12 | 1998-10-15 | トーヨーエイテック株式会社 | ベーンポンプ |
CN1182330C (zh) * | 2000-02-14 | 2004-12-29 | 伊宝成 | 一种输油泵 |
WO2002081921A1 (en) * | 2001-04-05 | 2002-10-17 | Argo-Tech Corporation | Variable displacement pump having a rotating cam ring |
-
2004
- 2004-11-19 IT IT000088U patent/ITBO20040088U1/it unknown
-
2005
- 2005-11-18 CN CN2005800398183A patent/CN101087959B/zh active Active
- 2005-11-18 US US11/719,735 patent/US20090155113A1/en not_active Abandoned
- 2005-11-18 WO PCT/IB2005/003452 patent/WO2006054158A1/en active Application Filing
- 2005-11-18 EP EP05806369.4A patent/EP1812712B1/en active Active
- 2005-11-18 JP JP2007542149A patent/JP2008520897A/ja active Pending
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2974603A (en) * | 1957-06-28 | 1961-03-14 | Fraser Andrew | Vaned rotary pumps and motors |
US3111905A (en) * | 1960-09-02 | 1963-11-26 | Eickmann Karl | Casing capsule ring arrangement for a rotary vane machine |
US3153384A (en) * | 1961-06-12 | 1964-10-20 | Pacific Ind Mfg Co | Vane type pump |
US3143079A (en) * | 1961-08-07 | 1964-08-04 | James F Carner | Reversible discharge flow and variable displacement pump |
US3190074A (en) * | 1963-11-22 | 1965-06-22 | Stanley S Johns | Hydraulic transmission |
US3779216A (en) * | 1972-06-05 | 1973-12-18 | R Britt | Variable explosion-displacement rotary engine |
US4353337A (en) * | 1977-08-29 | 1982-10-12 | Rosaen Oscar E | Rotary engine |
US4538974A (en) * | 1983-09-17 | 1985-09-03 | Glyco Antriebstechnik Gmbh | Vane-type oil pump for automotive vehicle |
US4697996A (en) * | 1985-05-20 | 1987-10-06 | Mannesmann Rexroth Gmbh | Rotary pump with adjustable cam ring |
US5752815A (en) * | 1995-09-12 | 1998-05-19 | Mercedes Benz Ag | Controllable vane pump |
US20010055538A1 (en) * | 2000-01-20 | 2001-12-27 | Willi Schneider | Vane cell pump/motor |
US7491043B2 (en) * | 2001-04-05 | 2009-02-17 | Argo-Tech Corporation | Variable displacement pump having a rotating cam ring |
US6558132B2 (en) * | 2001-09-24 | 2003-05-06 | General Motors Corporation | Variable displacement pump |
US7108493B2 (en) * | 2002-03-27 | 2006-09-19 | Argo-Tech Corporation | Variable displacement pump having rotating cam ring |
US7247008B2 (en) * | 2002-07-19 | 2007-07-24 | Argo-Tech Corporation | Cam ring bearing for fuel delivery system |
US7832995B2 (en) * | 2006-11-01 | 2010-11-16 | Hitachi, Ltd. | Variable displacement vane pump and method of manufacturing the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090175750A1 (en) * | 2004-11-19 | 2009-07-09 | H.P.E. High Performance Engeneering S.R.I. | Variable delivery vane oil pump, in particular for oil |
Also Published As
Publication number | Publication date |
---|---|
WO2006054158A1 (en) | 2006-05-26 |
WO2006054158A8 (en) | 2006-08-10 |
JP2008520897A (ja) | 2008-06-19 |
CN101087959B (zh) | 2010-05-26 |
CN101087959A (zh) | 2007-12-12 |
ITBO20040088U1 (it) | 2005-02-19 |
EP1812712A1 (en) | 2007-08-01 |
EP1812712B1 (en) | 2018-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: OFFICINE MAZZOCCO PAGNONI S.R.L., ITALY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ASCARI, ENNIO;CAMPANI, LORENZO;REEL/FRAME:019729/0073 Effective date: 20070705 Owner name: H.P.E. HIGH PERFORMANCE ENGENEERING S.R.L., ITALY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ASCARI, ENNIO;CAMPANI, LORENZO;REEL/FRAME:019729/0073 Effective date: 20070705 |
|
AS | Assignment |
Owner name: H.P.E. HIGH PERFORMANCE ENGENEERING S.R.L., ITALY Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE SECOND RECEIVING PARTY PREVIOUSLY RECORDED ON REEL 019729 FRAME 0073;ASSIGNORS:ASCARI, ENNIO;CAMPANI, LORENZO;REEL/FRAME:020005/0536 Effective date: 20070705 Owner name: O.M.P. OFFICINE MAZZOCCO PAGNONI S.R.L., ITALY Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE SECOND RECEIVING PARTY PREVIOUSLY RECORDED ON REEL 019729 FRAME 0073;ASSIGNORS:ASCARI, ENNIO;CAMPANI, LORENZO;REEL/FRAME:020005/0536 Effective date: 20070705 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |