Desmodromic valve drive

Details Desmodromic valve drive Desmodromic valve drive

2006-05-30

2006-05-30

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Valve driven closed

C123S090240, C123S090150, C123S090160, C123S090410, C123S090600, C074S567000, C251S251000

Reexamination Certificate

active

07051691

ABSTRACT:
The invention relates to a valve drive, in particular for internal combustion engines of motor vehicles, comprising at least one cam element (2) that is located on a driven shaft (1) and at least one lifting valve (10), which has a valve stem (11) and can be displaced by the cam element (2). The cam element (2) is pivotally mounted inside a flexible encapsulation element (4), which is connected to one end of the valve stem (11). The end of the valve stem (11) is guided in the displacement direction of the valve (10).

REFERENCES:
patent: 1238175 (1917-08-01), Moore
patent: 1937152 (1933-11-01), Jünk
patent: 2858818 (1958-11-01), Bailey
patent: 5058540 (1991-10-01), Matsumoto
patent: 6705262 (2004-03-01), Battlogg
patent: 6796277 (2004-09-01), Battlogg
patent: 6802287 (2004-10-01), Battlogg
patent: 2002/0073947 (2002-06-01), Battlogg
patent: 37 00 715 (1987-07-01), None
patent: 741831 (1955-12-01), None
patent: 01/12958 (2001-02-01), None
English translation of German Patent DE3700715, Pundt et al., Jul. 23, 1987, consisting of three pages.

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