EP1564383A1 - Butée hydraulique - Google Patents

Butée hydraulique Download PDF

Info

Publication number
EP1564383A1
EP1564383A1 EP05001645A EP05001645A EP1564383A1 EP 1564383 A1 EP1564383 A1 EP 1564383A1 EP 05001645 A EP05001645 A EP 05001645A EP 05001645 A EP05001645 A EP 05001645A EP 1564383 A1 EP1564383 A1 EP 1564383A1
Authority
EP
European Patent Office
Prior art keywords
pressure piston
passage
hydraulic
housing
supporting element
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.)
Granted
Application number
EP05001645A
Other languages
German (de)
English (en)
Other versions
EP1564383B1 (fr
Inventor
Wolfgang Mayer
Harald Smola
Benedikt Dr. Klaus
Christian Dr. Kunze
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.)
Bayerische Motoren Werke AG
IHO Holding GmbH and Co KG
Original Assignee
Bayerische Motoren Werke AG
INA Schaeffler KG
Schaeffler KG
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 Bayerische Motoren Werke AG, INA Schaeffler KG, Schaeffler KG filed Critical Bayerische Motoren Werke AG
Publication of EP1564383A1 publication Critical patent/EP1564383A1/fr
Application granted granted Critical
Publication of EP1564383B1 publication Critical patent/EP1564383B1/fr
Active 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
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets

Definitions

  • the invention relates to a hydraulic support element for a valve train an internal combustion engine, with a hollow cylindrical housing, which with his outer jacket into a receptacle of a cylinder head of the internal combustion engine can be installed and in its bore an axially movable pressure piston picks up which pressure piston with its head an edge of the housing surmounted, wherein between a head face facing away from the Pressure piston and a bottom of the housing, a high pressure chamber for the Hydraulic means is formed, which by a direction towards this opening and attached to the end face check valve is closed, wherein the High-pressure chamber from a reservoir enclosed by the pressure piston is fed via the check valve with hydraulic fluid and wherein the housing at least one radial passage for the hydraulic fluid from the cylinder head has, the radially inward with at least one axially overlying Passage in the pressure piston in the reservoir is in fluid communication.
  • Such a support element is previously known from DE 195 07 240 A1.
  • the Hydraulic fluid is discharged directly from the passage in the pressure piston into the reservoir, above the end face of the pressure piston with the check valve, directed.
  • the Hydraulic fluid is discharged directly from the passage in the pressure piston into the reservoir, above the end face of the pressure piston with the check valve, directed.
  • the direct inflow of the hydraulic fluid into the reservoir of the pressure piston the amount of hydraulic fluid already accumulated therein is always re-entangled and thus, although possibly already degassed or "calmed down” again with air bubbles or oil foam mixed.
  • the object of the invention is therefore to provide a supporting element of the aforementioned type in which eliminates the cited disadvantages by simple means are.
  • two diametrically opposite ventilation holes be applied, so that even at an oblique installation of the hydraulic Supporting element is always guaranteed that at least one vent hole seen in the direction of gravity is relatively high up.
  • a channel can be provided. However, it is more appropriate here to arrange circumferential annular channel, so that a relatively large amount of hydraulic fluid can be accumulated in the support.
  • a simple measure of attachment of the deflection sleeve on the inner shell the pressure piston is the subject of another subclaim.
  • the deflection sleeve should be made a lightweight material such as sheet metal.
  • the annular groove in the outer jacket of the pressure piston with the passage can be quite easy to manufacture. Thus, a rotation and location assignment is unnecessary the passage to the radial passage.
  • the housing has a pot-like geometry and is in Area of its underside closed by a floor. It can, however be formed open, so that then the high-pressure chamber at one Side is limited by a reason of the bore of the cylinder head.
  • the figure discloses a hydraulic support element 1, as is known in the art is known per se from its structure and the mode of action.
  • the support element 1 has a hollow cylindrical housing 2. This runs via its outer shell 3 fixed in a receptacle, not shown a Cylinder head of the internal combustion engine. This is also on a slope installation thought. In a bore 4 of the housing 2 is axially movable thereto a pressure piston 5 thin-walled type added. This pressure piston 5 surmounted with its head 6 an edge 7 of the housing. 2
  • a high-pressure chamber 10 generated for the hydraulic fluid.
  • the valve body in the direction of the end face 8 is spring-loaded.
  • Axially above the end face 8 is from the pressure piston 5, a reservoir 12 for Hydraulic fluid included.
  • the high-pressure chamber 10 from the Reservoir 12 via the check valve 11, if necessary, with hydraulic fluid provided.
  • the housing 2 is penetrated by a radial passage 13 for the hydraulic fluid.
  • Radial passage 13 the hydraulic fluid is further in an annular groove 20 in the outer jacket 21 of the pressure piston 5 passed.
  • This annular groove 20 is axially above the radial passage 13 and has at least one passage 14 in the interior of the pressure piston 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Check Valves (AREA)
EP05001645A 2004-02-12 2005-02-04 Butée hydraulique Active EP1564383B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004006903A DE102004006903A1 (de) 2004-02-12 2004-02-12 Hydraulisches Abstützelement
DE102004006903 2004-02-12

Publications (2)

Publication Number Publication Date
EP1564383A1 true EP1564383A1 (fr) 2005-08-17
EP1564383B1 EP1564383B1 (fr) 2007-03-28

Family

ID=34684021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05001645A Active EP1564383B1 (fr) 2004-02-12 2005-02-04 Butée hydraulique

Country Status (3)

Country Link
US (1) US6959677B2 (fr)
EP (1) EP1564383B1 (fr)
DE (2) DE102004006903A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009030564A2 (fr) * 2007-09-04 2009-03-12 Schaeffler Kg Élément support commutable pour une commande de soupapes d'un moteur à combustion interne
EP2767684A1 (fr) * 2013-02-15 2014-08-20 Otics Corporation Régulateur hydraulique de jeu
WO2015021962A1 (fr) * 2013-08-13 2015-02-19 Schaeffler Technologies Gmbh & Co. Kg Élément de support hydraulique
US8973546B2 (en) 2013-02-14 2015-03-10 Otics Corporation Lash adjuster
US9010291B2 (en) 2013-02-15 2015-04-21 Otics Corporation Lash adjuster
US9080469B2 (en) 2013-02-14 2015-07-14 Otics Corporation Lash adjuster
US9091186B2 (en) 2013-02-15 2015-07-28 Otics Corporation Lash adjuster
CN110573701A (zh) * 2017-05-08 2019-12-13 舍弗勒技术股份两合公司 挺柱

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE416307T1 (de) * 2006-03-17 2008-12-15 Delphi Tech Inc Kraftstoffeinspritzpumpe
DE102006017442A1 (de) * 2006-04-13 2007-10-18 Schaeffler Kg Hydraulisches Abstützelement für einen hebelartigen Nockenfolger eines Ventiltriebs einer Brennkraftmaschine
US8358226B2 (en) * 2007-10-28 2013-01-22 Synaptics Incorporated Determining actuation of multi-sensor-electrode capacitive buttons
DE102011075042A1 (de) 2011-05-02 2012-11-08 Schaeffler Technologies AG & Co. KG Hydraulisches Abstützelement
US9803518B2 (en) 2014-01-20 2017-10-31 Nittan Valve Co., Ltd. Hydraulic lash adjuster
DE102014212272A1 (de) 2014-06-26 2015-12-31 Schaeffler Technologies AG & Co. KG Abstützelement
CN104131852B (zh) * 2014-07-01 2017-07-07 杭州新坐标科技股份有限公司 一种柱状式液压挺柱及其柱塞制备方法
DE102015203049A1 (de) 2015-02-20 2016-08-25 Schaeffler Technologies AG & Co. KG Spielausgleichsvorrichtung für einen Ventil- oder Spannvorrichtung für einen Riemen- oder Kettentrieb
JP6402066B2 (ja) 2015-04-02 2018-10-10 株式会社オティックス ラッシュアジャスタ
DE102015222629A1 (de) 2015-11-17 2017-05-18 Schaeffler Technologies AG & Co. KG Hydraulisches Abstützelement
DE102021120734A1 (de) 2021-08-10 2023-02-16 Schaeffler Technologies AG & Co. KG Hydraulisches Abstützelement für einen Ventiltrieb einer Brennkraftmaschine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2343269A1 (de) * 1973-08-28 1975-03-06 Motomak Hydraulisches spielausgleichselement fuer die ventilsteuerung von brennkraftmaschinen
US4584976A (en) * 1985-06-20 1986-04-29 Eaton Corporation Reservoir height extender for lash adjuster assembly
EP0351033A1 (fr) * 1988-07-13 1990-01-17 Fuji Oozx Inc. Compensateur hydraulique du jeu d'une soupape
EP0361637A1 (fr) * 1988-09-30 1990-04-04 Fuji Oozx Inc. Compensateur hydraulique du jeu d'une soupape
EP0411215A1 (fr) * 1989-07-28 1991-02-06 Fuji Oozx Inc. Procédé pour compartimenter l'espace intérieur d'une piÀ¨ce cylindrique creuse
DE19507240A1 (de) * 1995-03-02 1996-09-05 Schaeffler Waelzlager Kg Abstützelement
DE19529044A1 (de) * 1995-08-08 1997-02-13 Schaeffler Waelzlager Kg Hydraulisches Spielausgleichselement für eine Ventilsteuerung einer Brennkraftmaschine
DE19805511A1 (de) * 1998-02-11 1999-08-12 Bayerische Motoren Werke Ag Hydraulisches Ventilspiel-Ausgleichselement für einen Ventiltrieb einer Brennkraftmaschine
US5979377A (en) * 1996-04-13 1999-11-09 Ina Walzlager Schaffler Ohg Hydraulic support element for a valve gear mechanism of an internal combustion engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4234868C2 (de) * 1992-10-16 1999-10-28 Schaeffler Waelzlager Ohg Verfahren zur Herstellung eines Schlepp- oder Kipphebels
DE9319435U1 (de) * 1993-12-17 1994-02-10 INA Wälzlager Schaeffler KG, 91074 Herzogenaurach Schaltbares Abstützelement
DE10146129A1 (de) * 2001-09-19 2003-04-03 Ina Schaeffler Kg Schaltelement für einen Ventiltrieb einer Brennkraftmaschine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2343269A1 (de) * 1973-08-28 1975-03-06 Motomak Hydraulisches spielausgleichselement fuer die ventilsteuerung von brennkraftmaschinen
US4584976A (en) * 1985-06-20 1986-04-29 Eaton Corporation Reservoir height extender for lash adjuster assembly
EP0351033A1 (fr) * 1988-07-13 1990-01-17 Fuji Oozx Inc. Compensateur hydraulique du jeu d'une soupape
EP0361637A1 (fr) * 1988-09-30 1990-04-04 Fuji Oozx Inc. Compensateur hydraulique du jeu d'une soupape
EP0411215A1 (fr) * 1989-07-28 1991-02-06 Fuji Oozx Inc. Procédé pour compartimenter l'espace intérieur d'une piÀ¨ce cylindrique creuse
DE19507240A1 (de) * 1995-03-02 1996-09-05 Schaeffler Waelzlager Kg Abstützelement
DE19529044A1 (de) * 1995-08-08 1997-02-13 Schaeffler Waelzlager Kg Hydraulisches Spielausgleichselement für eine Ventilsteuerung einer Brennkraftmaschine
US5979377A (en) * 1996-04-13 1999-11-09 Ina Walzlager Schaffler Ohg Hydraulic support element for a valve gear mechanism of an internal combustion engine
DE19805511A1 (de) * 1998-02-11 1999-08-12 Bayerische Motoren Werke Ag Hydraulisches Ventilspiel-Ausgleichselement für einen Ventiltrieb einer Brennkraftmaschine

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009030564A3 (fr) * 2007-09-04 2009-05-22 Schaeffler Kg Élément support commutable pour une commande de soupapes d'un moteur à combustion interne
WO2009030564A2 (fr) * 2007-09-04 2009-03-12 Schaeffler Kg Élément support commutable pour une commande de soupapes d'un moteur à combustion interne
US8973546B2 (en) 2013-02-14 2015-03-10 Otics Corporation Lash adjuster
US9080469B2 (en) 2013-02-14 2015-07-14 Otics Corporation Lash adjuster
US9206711B2 (en) 2013-02-15 2015-12-08 Otics Corporation Lash adjuster
EP2767684A1 (fr) * 2013-02-15 2014-08-20 Otics Corporation Régulateur hydraulique de jeu
US9010291B2 (en) 2013-02-15 2015-04-21 Otics Corporation Lash adjuster
US9091186B2 (en) 2013-02-15 2015-07-28 Otics Corporation Lash adjuster
WO2015021962A1 (fr) * 2013-08-13 2015-02-19 Schaeffler Technologies Gmbh & Co. Kg Élément de support hydraulique
CN105431616A (zh) * 2013-08-13 2016-03-23 舍弗勒技术股份两合公司 液压式支撑元件
CN105431616B (zh) * 2013-08-13 2018-08-14 舍弗勒技术股份两合公司 液压式支撑元件
CN110573701A (zh) * 2017-05-08 2019-12-13 舍弗勒技术股份两合公司 挺柱
CN110573701B (zh) * 2017-05-08 2021-07-30 舍弗勒技术股份两合公司 挺柱

Also Published As

Publication number Publication date
DE102004006903A8 (de) 2006-01-12
DE102004006903A1 (de) 2005-09-22
US20050178351A1 (en) 2005-08-18
DE502005000508D1 (de) 2007-05-10
US6959677B2 (en) 2005-11-01
EP1564383B1 (fr) 2007-03-28

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