EP2619416B1 - Pompe volumétrique rotative à palettes - Google Patents

Pompe volumétrique rotative à palettes Download PDF

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Publication number
EP2619416B1
EP2619416B1 EP11813658.9A EP11813658A EP2619416B1 EP 2619416 B1 EP2619416 B1 EP 2619416B1 EP 11813658 A EP11813658 A EP 11813658A EP 2619416 B1 EP2619416 B1 EP 2619416B1
Authority
EP
European Patent Office
Prior art keywords
pump housing
rotor
pump
vane
front side
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.)
Not-in-force
Application number
EP11813658.9A
Other languages
German (de)
English (en)
Other versions
EP2619416A2 (fr
Inventor
Andreas Blechschmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec GPM GmbH
Original Assignee
Nidec GPM GmbH
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 Nidec GPM GmbH filed Critical Nidec GPM GmbH
Publication of EP2619416A2 publication Critical patent/EP2619416A2/fr
Application granted granted Critical
Publication of EP2619416B1 publication Critical patent/EP2619416B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F04C2/3441—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 inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3442—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 inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
    • 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
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0088—Lubrication

Definitions

  • the invention relates to a vane pump with a mounted in a pump housing, driven by a shaft rotor, a plurality of radially slidably mounted in the outer periphery of this rotor wing plates and a surrounding the rotor and the wing plates, arranged directly in the pump housing outer shell.
  • vane pumps In the prior art, the most varied versions of vane pumps have become known.
  • a disadvantage of vane pumps is generally that in the lower speed range of the pump, i. up to speeds of approx. 400 rpm, the centrifugal force of the blades is insufficient to ensure a secure, tight contact of the blades with the outer jacket.
  • each wing arranged springs such as in the DE 2 313 480 A1 described above, but also as in the DE 101 42 712 B4 suggested to be connected together, or even as in the DE 10 2009 037 443 A1 can be designed as a self-contained annular coil spring, or as a rubber-elastic O-ring.
  • the main disadvantage of these designs is that, especially for small vane pumps with very thin-walled wing panels such solutions require a very high manufacturing and assembly costs to ensure reliable operation.
  • this solution is very susceptible to wear, especially against solid particles entrained in the fluid.
  • the guide rollers with a decreasing pump size greatly limit the number of wing plates to be arranged on the rotor.
  • a vane pump which achieves an accelerated pressure build-up in the starting phase, characterized in that the wings and the cam ring are at least partially magnetically and arranged to each other so that they attract each other and so even at very low speeds a secure seal between the front of the Ensure wings and the outer jacket.
  • a vane pump has become known in which the slots are arranged in the rotor so that at least a portion of the inertial force of the wing is directed in the direction of the slot opening, so that even at the start of the rotor by this additional inertial force, a faster extension of the wings.
  • this hydraulic pressurization requires in addition to a required minimum wing plate width in addition, that the pump has already built a corresponding fluid pressure, so that the wing plates can be pressed against the outer shell of this pump pressure.
  • the GB 235,095 discloses the features of the preamble of claim 1.
  • the object of the invention is now to develop a vane pump, which eliminates the aforementioned disadvantages of the prior art, no new wing materials and no new wing geometries required, and with a simple structural design, with easier cost-effective production and assembly, even with small double-acting vane pump can ensure optimum full filling of the pump chambers already in the speed range from 0 to 400 rpm, and at the same time always maintenance-free, works with high reliability and high efficiency.
  • this object is achieved by a vane pump according to the features of the main claim of the invention by the wing movement in the lower speed range by inventive, positively driven, of the wing plates (5) decoupled pins, the guide pins (12) is effected, the unpressurized operation on both sides of the Rotor (3) in the present invention in the / the end face / s of the pump housing (1) and / or in the front side of the pump housing (1) arranged pump housing cover / n (9) arranged control grooves, the guide grooves (13) are positively driven, and which, after the pressure has built up and with the speed not only the mass inertial force of the wing plates (5) but also the guide pins (12) was effective, then inside "free” abut the copeninnenkanten (6) and thereby the wing plates (5) Depending on the centrifugal force, additionally press against the outer casing (8).
  • small vane pump On both sides of the rotor 3 of the double-acting, small vane pump are two mutually offset by 180 ° suction cups 10 and to these Saugnieren 10 each offset in turn two pressure kidneys 11 are arranged.
  • the guide element is a guide needle 12, in the present embodiment, a metal pin which is decoupled from the wing plate 5 of the vane pump, so that through this inventive decoupling of the guide member of the wing plate 5 a possible vibration of the wing plate 5 in the slot direction can be fully compensated to a certain extent.
  • Another advantage of the solution according to the invention is also that no special blade plate modifications is required, which means that no changes in the manufacturing technology of the wing plates 5 are required.
  • Another essential feature of the solution according to the invention is a highly playful leadership of the guide elements, here the guide pins 12 according to the invention in the guide grooves 13, the wing plates 5 only at low speed, i. from 0 to about 500 U / min, run circumferentially, but never press the wing plates 5 with their wing outer edges 7 directly to the outer shell 8.
  • the oil holes 14 frontally "only” segment open into the guide grooves 13, so that due to the inventively provided diameter differences between oil drilling segment and diameter of the guide needle 12 penetration / dropping the guide pins 12 is excluded in the oil holes 14 , so that with high reliability always optimal lubrication of the sliding in the guide grooves 13 guide pins 12 and all adjacent modules is guaranteed.
  • the guide grooves 13 are connected via oil guide grooves 15 to the passage bore 16 of the shaft 2 in the end face (s) of the pump housing 1 and / or in the pump housing cover (s) 9 arranged on the end side of the pump housing 1, so that optimal lubrication of all modules can be guaranteed.
  • pressure pockets 17 are arranged on both sides of the rotor 3 in the end face (s) of the pump housing 1 and / or in the end face / pump housing 1 arranged between the passage bore 16 of the shaft 2 and the guide grooves 13 which are connected via oil holes 14 directly or indirectly with the pressure kidneys 11, and thus ensure that the friction losses are minimized at the rotor wall in continuous operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Claims (6)

  1. Pompe volumétrique rotative à palettes avec un rotor (3) entraîné par un arbre (2) et logé dans un carter de pompe (1), avec plusieurs plaques de palette (5) à coulissement radial placées dans les rainures de palier (4) du rotor (3), avec des rebords intérieurs de plaques de palette (6) et des rebords extérieurs de plaques de palette (7) et une enveloppe extérieure (8) entourant le rotor (3) et les rebords extérieurs de plaques de palette (7), lequel est disposé directement dans le carter de pompe (1), avec, dans le/les côté/s avant du carter de pompe (1) et/ou dans le/les couvercle/s de carter de pompe (9) disposé/s sur le côté avant du carter de pompe (1), un/des espace/s réniforme/s d'aspiration (10) et un/des espace/s réniforme/s de pression (11) décalé/s par rapport à celui-ci/ceux-ci, caractérisée par le fait
    - que, dans les rainures de palier (4), les rebords intérieurs de plaques de palette (6) des plaques de palettes (5) librement adjacents, c'est-à-dire découplées de la plaque de palette (5) adjacente, des aiguilles de guidage (12) surplombant des deux côtés la largeur de plaques de palette et le rotor (3) sont disposées, et
    - que, des deux côtés du rotor (3), dans le/les côté/s avant du carter de pompe (1) et/ou dans le/les couvercle/s de carter de pompe (9) disposé/s sur le côté avant du carter de pompe (1), des rainures de guidage (13) pourvues d'un cycle de travail sont disposées de telle manière
    - que, pour les aiguilles de guidage (12) introduites dans les rainures de guidage (13) et simultanément aussi dans les rainures de palier (4), pour les plaques de palette (5) adjacentes aux aiguilles de guidage (12) avec leurs rebords intérieurs de plaques de palette (6), leurs rebords extérieurs de plaques de palette (7) sont adjacents à l'enveloppe extérieure (8), et
    - que les rainures de guidage (13) sont raccordées via des orifices d'injection d'huile (14) au côté arrière de la pompe, c'est-à-dire directement ou indirectement aux espaces réniformes de pression (11).
  2. Pompe volumétrique rotative à palettes selon l'exigence 1 caractérisée par le fait que les orifices d'injection d'huile (14) ne débouchent que par endroits dans les rainures de guidage (13).
  3. Pompe volumétrique rotative à palettes selon l'exigence 1 caractérisée par le fait que les rainures de guidage (13) sont raccordées par le biais de rainures d'injection d'huile (15) avec l'orifice de passage (16) de l'arbre (2) dans le/les côté/s avant du carter de pompe (1) et/ou dans le/les couvercle/s de carter de pompe (9) disposé/s sur le côté avant du carter de pompe (1).
  4. Pompe volumétrique rotative à palettes selon l'exigence 1 caractérisée par le fait que des poches de pression (17) sont placées des deux côtés du rotor (3) dans le/les côté/s avant du carter de pompe (1) et/ou dans le/les couvercle/s de carter de pompe (9) disposé/s sur le côté avant du carter de pompe (1) entre l'orifice de passage (16) de l'arbre (2) et les rainures de guidage (13).
  5. Pompe volumétrique rotative à palettes selon l'exigence 4 caractérisée par le fait que les poches de pression (17) sont raccordées par le biais d'orifices d'injection d'huile (14) directement ou indirectement aux espaces réniformes de pression (11).
  6. Pompe volumétrique rotative à palettes selon l'exigence 4 caractérisée par le fait que des rainures d'injection d'huile (15) sont disposées entre les poches de pression (17) et l'orifice de passage (16) de l'arbre (2).
EP11813658.9A 2010-09-25 2011-09-22 Pompe volumétrique rotative à palettes Not-in-force EP2619416B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010046591 DE102010046591B4 (de) 2010-09-25 2010-09-25 Flügelzellenpumpe
PCT/DE2011/001766 WO2012041283A2 (fr) 2010-09-25 2011-09-22 Pompe volumétrique rotative à palettes

Publications (2)

Publication Number Publication Date
EP2619416A2 EP2619416A2 (fr) 2013-07-31
EP2619416B1 true EP2619416B1 (fr) 2015-05-27

Family

ID=45540685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11813658.9A Not-in-force EP2619416B1 (fr) 2010-09-25 2011-09-22 Pompe volumétrique rotative à palettes

Country Status (4)

Country Link
EP (1) EP2619416B1 (fr)
DE (1) DE102010046591B4 (fr)
ES (1) ES2543578T3 (fr)
WO (1) WO2012041283A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014002524B3 (de) 2014-02-22 2015-03-12 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Flügelzellenpumpe
DE102016109335B4 (de) * 2016-05-20 2020-09-03 Robert Bosch Gmbh Verdrängerpumpe und getriebe für ein kraftfahrzeug

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB235095A (en) * 1924-12-22 1925-06-11 John Edward Preston Improvements in and relating to rotary engines, pumps, meters, and the like
US2832293A (en) * 1954-01-26 1958-04-29 American Brake Shoe Co Vane pump
US3904327A (en) * 1971-11-10 1975-09-09 Rovac Corp Rotary compressor-expander having spring biased vanes
US3785758A (en) * 1972-04-24 1974-01-15 Abex Corp Vane pump with ramp on minor diameter
DE2901851A1 (de) * 1979-01-18 1980-07-31 Flux Geraete Gmbh Fluegelzellenpumpe
FR2664662B1 (fr) * 1990-07-12 1992-10-23 Sergent Andre Ensemble de commande de palettes pour pompe a palettes.
US6070409A (en) * 1998-10-21 2000-06-06 Kaiser; Arthur W. Engine for powering by water
DE10142712B4 (de) * 2001-08-31 2005-09-29 Siemens Ag Flügelzellenpumpe
DE10202721A1 (de) * 2002-01-24 2003-08-14 Siemens Ag Flügelzellenpumpe
DE102004009840A1 (de) * 2004-02-28 2005-09-22 Zf Lenksysteme Gmbh Flügelanordnung für eine Flügelzellenpumpe
DE102004051561A1 (de) * 2004-10-22 2006-05-04 Siemens Ag Flügelzellenpumpe
US7421998B1 (en) * 2005-01-14 2008-09-09 Aldrin Adam F Modular engine
DE102005007603A1 (de) * 2005-02-18 2006-08-24 Siemens Ag Flügelzellenpumpe
DE102006038946A1 (de) * 2006-01-14 2007-07-19 Müller, Josef Flügelzellenmaschine mit selbststeuernden Radialflügeln
US8016577B2 (en) * 2008-08-18 2011-09-13 GM Global Technology Operations LLC Vane pump with vane biasing means
DE102009000155A1 (de) * 2009-01-13 2010-07-15 Zf Lenksysteme Gmbh Flügelzellenpumpe

Also Published As

Publication number Publication date
DE102010046591A1 (de) 2012-03-29
WO2012041283A3 (fr) 2012-11-15
ES2543578T3 (es) 2015-08-20
WO2012041283A2 (fr) 2012-04-05
DE102010046591B4 (de) 2015-03-12
EP2619416A2 (fr) 2013-07-31

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