EP2567095B1 - Valve de lubrification pour pompes à huile de moteurs à combustion interne - Google Patents

Valve de lubrification pour pompes à huile de moteurs à combustion interne Download PDF

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Publication number
EP2567095B1
EP2567095B1 EP20110726680 EP11726680A EP2567095B1 EP 2567095 B1 EP2567095 B1 EP 2567095B1 EP 20110726680 EP20110726680 EP 20110726680 EP 11726680 A EP11726680 A EP 11726680A EP 2567095 B1 EP2567095 B1 EP 2567095B1
Authority
EP
European Patent Office
Prior art keywords
piston
valve
cold
pump housing
pressure
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
EP20110726680
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German (de)
English (en)
Other versions
EP2567095A2 (fr
Inventor
Toni Steiner
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.)
Geraete und Pumpenbau GmbH Dr Eugen Schmidt
Original Assignee
Geraete und Pumpenbau GmbH Dr Eugen Schmidt
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 Geraete und Pumpenbau GmbH Dr Eugen Schmidt filed Critical Geraete und Pumpenbau GmbH Dr Eugen Schmidt
Publication of EP2567095A2 publication Critical patent/EP2567095A2/fr
Application granted granted Critical
Publication of EP2567095B1 publication Critical patent/EP2567095B1/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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • 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
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
    • 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
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • 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
    • 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
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/85986—Pumped fluid control

Definitions

  • the control valve located in the oil circuit of internal combustion engines now serves to ensure a nearly uniform oil pressure in the gallery over all engine speed ranges.
  • Essential to the invention is in this context that arranged in the control piston 13 inner piston guide, the cold start piston guide 15, in which a cold start piston 14 is arranged as an inner piston, wherein the piston head 16 of the control piston 13, the cold start piston guide 15 opposite the piston rod 17 is disposed at the from Spaced piston head 16 of the control piston 13 spaced a separate piston 18 is arranged, which projects beyond the piston rod 17 in the form of a spacer rod 19.
  • the warming engine causes the lubricating oil located there to warm up and a gallery pressure builds up.
  • FIG. 4 shows that in the FIG. 1 shown lubricant valve in its control function with warm engine running in continuous operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Claims (9)

  1. Valve de lubrification pour pompes à huile de moteurs à combustion interne avec un carter de pompe (1) avec paliers (2), un essieu (4) placé dans les paliers (2) et entraîné par un arbre d'entraînement (3), une pompe à huile avec un/des espace/s réniforme/s de pression (5) disposé/s dans la zone de pression du carter de pompe (1) et un canal de raccordement de pression (6) disposé sur le carter de pompe (1), avec un siège de valve (7) disposé sur le carter de pompe (1), un canal de pression (8) disposé entre le siège de valve (7) et le canal de raccordement de pression (6), un canal de commande (9) disposé entre le siège de valve (7) et la galerie et un canal de débordement (10) disposé entre le siège de valve (7) et le carter d'huile, avec un piston double (12) disposé dans le guidage de piston (11) du siège de valve (7) dans le carter de pompe (1), avec un piston de régulation (13) extérieur dans lequel est disposé un guidage de piston intérieur pour un piston intérieur, une tige de piston (17) avec au moins un piston de travail (18) étant disposée, celui-ci dépassant la tige de piston (17) sous la forme d'une tige d'écartement (19), des orifices d'admission (20) étant disposés dans le fond de piston (16) du piston de régulation (13) et des orifices d'échappement (22) étant disposés dans la zone de guidage intérieur de piston du piston de régulation (13) dans la paroi de cylindre (21), caractérisée par le fait
    - que le guidage intérieur de piston disposé dans le piston de régulation (13) est conçu comme guidage de piston de démarrage à froid (15) dans lequel est disposé un piston de démarrage à froid (14) sous forme de piston intérieur, la tige de piston (17) étant disposée sur le fond de piston (16) du piston de régulation (13) à l'opposé du guidage de piston de démarrage à froid (15), sur laquelle tige de piston (17) étant disposé un piston de travail (18) espacé du fond de piston (16) du piston de régulation (13), et
    - que les orifices d'admission (20) placés dans le fond de piston (16) sont disposés au voisinage du piston de travail (18) et que les orifices d'échappement (22) présents dans la paroi de cylindre (21) du piston de régulation (13) sont disposés au voisinage du fond de piston (16), et
    - que le piston de démarrage à froid (14) est conçu comme cylindre à plusieurs niveaux ouvert sur un côté, lequel se compose d'un cylindre de guidage (23) ouvert et disposé de manière mobile dans le guidage de piston de démarrage à froid (15) du piston de régulation (13), avec une surface de bague de butée à ressort (24) et un petit cylindre de fermeture (25) disposé au voisinage de la surface de bague de butée à ressort (24) et à vis-à-vis du cylindre de guidage (23) dans le diamètre de cylindre avec une enveloppe de cylindre de fermeture (26), et d'un couvercle de cylindre de fermeture (27) dont l'enveloppe de cylindre de fermeture (26) est disposée sur la surface de bague de butée à ressort (24) et ferme les orifices d'admission (20) lors de la mise en place du couvercle de cylindre de fermeture (27) sur le fond de piston (16), et
    - que, en cas d'arrêt du moteur, un ressort de pression (30) pré-tendu disposé entre un appui à ressort (28) sur le carter de pompe (1), voire sur une vis de fermeture (29) placée dans le carter de pompe (1), et la surface de bague de butée à ressort (24) disposée dans le cylindre de guidage (23) du piston de démarrage à froid (14), lequel ressort de pression (30) presse le piston de démarrage à froid (14), en bouchant les orifices d'admission (20), dans le piston de régulation (13), et déplace le piston de régulation (13) avec la tige de piston (17) placée sur celui-ci, avec le piston de travail (18) et la tige d'écartement (19) jusqu'à ce que l'extrémité libre de la tige d'écartement (19) se trouve sur le carter de pompe (1) à l'opposé de l'appui à ressort (28), voire sur une vis de fermeture (29) disposée dans le carter de pompe (1), en divisant l'espace de travail localisé dans le siège de valve (7) en une chambre à ressort de valve (31), une chambre de démarrage à froid (32) disposée entre le piston de régulation (13) et le piston de démarrage à froid (14), une chambre de travail (33) disposée entre le fond de piston (16) du piston de régulation (13) et le piston de travail (18) dans la zone de tige de piston (17), ainsi qu'une chambre de commande (34) disposée dans la zone de la tige d'écartement derrière le piston de travail (18).
  2. Valve de lubrification selon l'exigence 1 caractérisée par le fait que la chambre à ressort de valve (31) est reliée au carter d'huile au moyen d'un orifice d'amortissement (35), que la chambre de travail (33) est reliée à l'espace réniforme de pression (5) au moyen du canal de pression (8) et que la chambre de commande (34) est reliée au canal de commande (9) au moyen d'un orifice de commande (36).
  3. Valve de lubrification selon l'exigence 1 caractérisée par le fait qu'aussi bien le piston de régulation (13) que le piston de démarrage à froid (14) sont fabriqués dans le même matériau.
  4. Valve de lubrification selon l'exigence 1 caractérisée par le fait qu'aussi bien le piston de régulation (13) que le piston de démarrage à froid (14) sont fabriqués en acier.
  5. Valve de lubrification selon l'exigence 1 caractérisée par le fait que, entre le ressort de pression (30) et le siège de valve (7) disposé dans le carter de pompe (1), est disposée une rondelle d'usure (37) avec un orifice de passage (38).
  6. Valve de lubrification selon l'exigence 4 caractérisée par le fait qu'un orifice de passage (38) est disposé dans la rondelle d'usure (37).
  7. Valve de lubrification selon l'exigence 1 caractérisée par le fait que, entre l'extrémité libre de la tige d'écartement (19) et le siège de valve (7) placé dans le carter de pompe (1), est disposée une rondelle d'usure (37).
  8. Valve de lubrification selon l'exigence 1 caractérisée par le fait que, à l'intérieur dans le fond de piston (16) du piston de régulation (13), est disposée une chambre d'équilibrage de pression (39) reliant les uns aux autres tous les orifices d'admission (20) présents dans le fond de piston (16) et pouvant être fermée au moyen du couvercle de cylindre de fermeture sur toute sa surface du côté de chambre de démarrage à froid.
  9. Valve de lubrification selon l'exigence 1 caractérisée par le fait que, entre le/les palier/s (2) et la chambre de ressort de valve (31), est/sont disposée/s un/des orifice/s d'évacuation (40).
EP20110726680 2010-05-03 2011-04-20 Valve de lubrification pour pompes à huile de moteurs à combustion interne Not-in-force EP2567095B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010019044 DE102010019044B4 (de) 2010-05-03 2010-05-03 Schmierstoffventil für Ölpumpen von Verbrennungsmotoren
PCT/DE2011/000426 WO2011137890A2 (fr) 2010-05-03 2011-04-20 Valve de lubrification pour pompes à huile de moteurs à combustion interne

Publications (2)

Publication Number Publication Date
EP2567095A2 EP2567095A2 (fr) 2013-03-13
EP2567095B1 true EP2567095B1 (fr) 2014-09-24

Family

ID=44627342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110726680 Not-in-force EP2567095B1 (fr) 2010-05-03 2011-04-20 Valve de lubrification pour pompes à huile de moteurs à combustion interne

Country Status (7)

Country Link
US (1) US8454323B2 (fr)
EP (1) EP2567095B1 (fr)
JP (1) JP5736448B2 (fr)
CN (1) CN103180612B (fr)
BR (1) BR112012027877B1 (fr)
DE (1) DE102010019044B4 (fr)
WO (1) WO2011137890A2 (fr)

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EP2818651B1 (fr) * 2013-06-25 2024-05-15 Safran Aero Boosters SA Clapet anti-siphon commandé par piston
JP5845214B2 (ja) * 2013-07-16 2016-01-20 日立建機株式会社 リリーフ弁
DE112015005215T5 (de) * 2014-11-19 2017-08-24 Aisin Seiki Kabushiki Kaisha Entlastungsventil
EP3088687B1 (fr) * 2015-04-29 2021-01-27 General Electric Technology GmbH Système et procédé de régulation de pression pour une turbomachine
US10443457B2 (en) * 2015-12-11 2019-10-15 Miguel Alfonso POTOLICCHIO Lubrication control in internal combustion engines
DE102016201696A1 (de) * 2016-02-04 2017-08-10 Voith Patent Gmbh Hydraulikventil
CN109000140B (zh) * 2018-08-28 2020-12-01 重庆伊申特汽车部件有限公司 一种汽车发动机机油泵
DE102018131587A1 (de) * 2018-12-10 2020-06-10 Nidec Gpm Gmbh Regelbare Schraubenspindelpumpe
CN109357144A (zh) * 2018-12-18 2019-02-19 湖南机油泵股份有限公司 一种限压阀螺塞以及柱塞式机油泵限压阀
US11143183B2 (en) * 2019-03-26 2021-10-12 Hamilton Sundstrand Corporation Gear pump bearing with hybrid pad shutoff
CN111765279B (zh) * 2020-07-06 2022-04-26 潍柴动力股份有限公司 限压装置及发动机

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Also Published As

Publication number Publication date
US8454323B2 (en) 2013-06-04
DE102010019044A1 (de) 2011-11-03
WO2011137890A2 (fr) 2011-11-10
DE102010019044B4 (de) 2014-09-04
BR112012027877B1 (pt) 2021-01-12
CN103180612A (zh) 2013-06-26
BR112012027877A2 (pt) 2017-07-25
JP2013534986A (ja) 2013-09-09
CN103180612B (zh) 2015-07-29
US20130081720A1 (en) 2013-04-04
JP5736448B2 (ja) 2015-06-17
WO2011137890A3 (fr) 2013-05-16
EP2567095A2 (fr) 2013-03-13

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