DE502005000494D1 - Hydraulic clearance compensation element - Google Patents

Hydraulic clearance compensation element

Info

Publication number: DE502005000494D1
Authority: DE; Germany
Prior art keywords: compensation element; clearance compensation; hydraulic clearance; hydraulic; compensation
Prior art date: 2004-10-14
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.): Expired - Lifetime

Application number

DE502005000494T

Other languages

German (de)

Inventor

Peter Sailer

Oliver Dipl-Ing Schnell

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.)

Schaeffler Technologies AG and Co KG

Original Assignee

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.)

2004-10-14

Filing date

2005-09-17

Publication date

2007-05-03

2004-10-15 Priority claimed from DE102004050190A external-priority patent/DE102004050190A1/en

2005-09-17 Application filed by Schaeffler KG filed Critical Schaeffler KG

2007-05-03 Publication of DE502005000494D1 publication Critical patent/DE502005000494D1/en

2025-09-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- F01L2305/00—Valve arrangements comprising rollers

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Valve-Gear Or Valve Arrangements (AREA)

DE502005000494T 2004-10-14 2005-09-17 Hydraulic clearance compensation element Expired - Lifetime DE502005000494D1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US61881004P	2004-10-14	2004-10-14
DE102004050190A DE102004050190A1 (en)	2004-10-15	2004-10-15	Hydraulic play element for internal combustion engine, has axially movable pressure piston combined together with cylindrical housing

Publications (1)

Publication Number	Publication Date
DE502005000494D1 true DE502005000494D1 (en)	2007-05-03

Family

ID=35562140

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE502005000494T Expired - Lifetime DE502005000494D1 (en)	2004-10-14	2005-09-17	Hydraulic clearance compensation element

Country Status (2)

Country	Link
EP (1)	EP1647678B1 (en)
DE (1)	DE502005000494D1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2732832A (en) *		1956-01-31		Valve lifter
US2689554A (en) *	1950-07-26	1954-09-21	Thompson Prod Inc	Hydraulic valve lifter
GB716449A (en) *	1951-05-22	1954-10-06	Gen Motors Corp	Improvements in hydraulic tappets
DE2061602A1 (en) *	1970-12-15	1972-06-29	Motomak Motorenbau Maschinen- U. Werkzeugfabrik, Konstruktionen Gmbh, 8070 Ingolstadt	Self-adjusting, hydraulically adjusting lash adjuster for valve control in internal combustion engines
DE2063819A1 (en) *	1970-12-24	1972-07-06	Motomak Motorenbau Maschinen- und Werkzeugfabrik, Konstruktionen GmbH, 8070 Ingolstadt	Self-adjusting, hydraulically adjusting lash adjuster for valve control in internal combustion engines
DE2434831A1 (en) *	1974-07-19	1976-01-29	Daimler Benz Ag	I.C. engine self adjusting hydraulic tappet - has deaerating storage chamber in series with working chamber
DE4103055A1 (en) *	1991-02-01	1992-08-06	Schaeffler Waelzlager Kg	HYDRAULIC GAME COMPENSATION ELEMENT FOR THE USE OF INTERNAL COMBUSTION ENGINES
DE19942983B4 (en) *	1999-09-09	2015-05-28	Schaeffler Technologies AG & Co. KG	Hydraulic clearance compensation element
JP3987270B2 (en) *	2000-06-14	2007-10-03	Ｎｔｎ株式会社	Chain tensioner
US6439186B1 (en) *	2001-02-14	2002-08-27	Delphi Technologies, Inc.	Mechanical oil filtration in an I.C. engine valve lifter
WO2003067038A1 (en) *	2002-02-06	2003-08-14	Ina-Schaeffler Kg	Switch element for valve actuation in an internal combustion engine

2005
- 2005-09-17 EP EP05020320A patent/EP1647678B1/en not_active Expired - Lifetime
- 2005-09-17 DE DE502005000494T patent/DE502005000494D1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP1647678B1 (en)	2007-03-21
EP1647678A1 (en)	2006-04-19

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Legal Events

Date	Code	Title	Description
2008-04-10	8364	No opposition during term of opposition
2010-07-01	8327	Change in the person/name/address of the patent owner	Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 H, DE
2012-10-18	R081	Change of applicant/patentee	Ref document number: 1647678 Country of ref document: EP Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20120828

Date

Code

Title

Description

2008-04-10

8364

No opposition during term of opposition

2010-07-01

8327

Change in the person/name/address of the patent owner

Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 H, DE

2012-10-18

R081

Change of applicant/patentee

Ref document number: 1647678

Country of ref document: EP

Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE

Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE

Effective date: 20120828