Frameless variable valve actuation mechanism

Details Frameless variable valve actuation mechanism Frameless variable valve actuation mechanism

2005-03-22

2005-03-22

Corrigan, Jaime W. (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090390, C074S053000

Reexamination Certificate

active

06868811

ABSTRACT:
A variable valve actuation mechanism includes a control shaft and a rocker arm. A second end of the rocker arm is connected to the control shaft. The rocker arm carries a roller for engaging a cam lobe of an engine camshaft. A link arm is pivotally coupled at a first end thereof to the first end of the rocker arm. An output cam is pivotally coupled to the second end of the link arm, and engages a corresponding cam follower of the engine. A spring biases the roller into contact with the cam lobe and biases the output cam toward a starting angular orientation.

REFERENCES:
patent: 3192755 (1965-07-01), Laxo
patent: 6019076 (2000-02-01), Pierik et al.
patent: 6123053 (2000-09-01), Hara et al.
patent: 6131545 (2000-10-01), Kreuter
patent: 6422188 (2002-07-01), Pierik
patent: 6439177 (2002-08-01), Pierik
patent: 6532924 (2003-03-01), Pierik
patent: 6591802 (2003-07-01), Pierik
patent: 1 039 103 (2000-09-01), None
patent: WO 98 037 78 (1998-01-01), None

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