DE29620007U1 - Device for changing the opening and closing times of gas exchange valves of an internal combustion engine - Google Patents

Device for changing the opening and closing times of gas exchange valves of an internal combustion engine

Info

Publication number
DE29620007U1
DE29620007U1 DE29620007U DE29620007U DE29620007U1 DE 29620007 U1 DE29620007 U1 DE 29620007U1 DE 29620007 U DE29620007 U DE 29620007U DE 29620007 U DE29620007 U DE 29620007U DE 29620007 U1 DE29620007 U1 DE 29620007U1
Authority
DE
Germany
Prior art keywords
changing
opening
combustion engine
internal combustion
gas exchange
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.)
Expired - Lifetime
Application number
DE29620007U
Other languages
German (de)
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.)
IHO Holding GmbH and Co KG
Original Assignee
INA Waelzlager Schaeffler OHG
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 INA Waelzlager Schaeffler OHG filed Critical INA Waelzlager Schaeffler OHG
Priority to DE29620007U priority Critical patent/DE29620007U1/en
Priority claimed from DE19646065A external-priority patent/DE19646065C2/en
Publication of DE29620007U1 publication Critical patent/DE29620007U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/34403—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using helically teethed sleeve or gear moving axially between crankshaft and camshaft
    • F01L1/34406—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using helically teethed sleeve or gear moving axially between crankshaft and camshaft the helically teethed sleeve being located in the camshaft driving pulley
DE29620007U 1995-11-09 1996-11-08 Device for changing the opening and closing times of gas exchange valves of an internal combustion engine Expired - Lifetime DE29620007U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29620007U DE29620007U1 (en) 1995-11-09 1996-11-08 Device for changing the opening and closing times of gas exchange valves of an internal combustion engine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19541703 1995-11-09
DE19646065A DE19646065C2 (en) 1995-11-09 1996-11-08 Device for changing the opening and closing times of gas exchange valves of an internal combustion engine
DE29620007U DE29620007U1 (en) 1995-11-09 1996-11-08 Device for changing the opening and closing times of gas exchange valves of an internal combustion engine

Publications (1)

Publication Number Publication Date
DE29620007U1 true DE29620007U1 (en) 1997-01-30

Family

ID=26020203

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29620007U Expired - Lifetime DE29620007U1 (en) 1995-11-09 1996-11-08 Device for changing the opening and closing times of gas exchange valves of an internal combustion engine

Country Status (1)

Country Link
DE (1) DE29620007U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7742869B2 (en) 2008-02-25 2010-06-22 Gm Global Technology Operations, Inc. Late intake valve closing to improve cold startability for spark-ignition direct-injection (SIDI) engines
DE102009009514B4 (en) 2008-02-25 2018-06-21 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Close late intake valve to improve cold start capability on spark-ignition and direct-injection engines (SIDI)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7742869B2 (en) 2008-02-25 2010-06-22 Gm Global Technology Operations, Inc. Late intake valve closing to improve cold startability for spark-ignition direct-injection (SIDI) engines
DE102009009514B4 (en) 2008-02-25 2018-06-21 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Close late intake valve to improve cold start capability on spark-ignition and direct-injection engines (SIDI)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19970313

R150 Term of protection extended to 6 years

Effective date: 20000118

R081 Change of applicant/patentee

Owner name: INA-SCHAEFFLER KG, DE

Free format text: FORMER OWNER: INA WAELZLAGER SCHAEFFLER KG, 91074 HERZOGENAURACH, DE

Effective date: 20010312

R081 Change of applicant/patentee

Owner name: INA-SCHAEFFLER KG, DE

Free format text: FORMER OWNER: INA WAELZLAGER SCHAEFFLER OHG, 91074 HERZOGENAURACH, DE

Effective date: 20020221

R157 Lapse of ip right after 6 years

Effective date: 20030531