Variable valve device for internal combustion engine

Details Variable valve device for internal combustion engine Variable valve device for internal combustion engine

2007-03-16

2008-11-04

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090310, C123S19800E

Reexamination Certificate

active

07444967

ABSTRACT:
A variable valve device includes a camshaft which is rotatably provided in an internal combustion engine while having a cam, a rocker shaft which is arranged next to the camshaft, a valve which is driven by the cam, a cam follower rocker which is rotatably provided in the rocker shaft, and is rocked by following the cam, a valve drive rocker which is rotatably provided in the rocker shaft next to the cam follower rocker, and drives the valve, and a switching portion which be able to switch the valve drive rocker between a drive state and a non-drive state. Either a body of the cam follower rocker or a body of the valve drive rocker is made of an iron-based metal material, and the other body is made of a material different from the iron-based metal material, heat treatment being not required in the different material.

REFERENCES:
patent: 5460130 (1995-10-01), Fukuzawa et al.
patent: 5845614 (1998-12-01), Tanaka et al.
patent: 7007646 (2006-03-01), Takayasu et al.
patent: 7107953 (2006-09-01), Takayasu et al.
patent: 2005-90408 (2005-04-01), None

Affiliated with

Also associated with

Rating

Variable valve device for internal combustion engine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable valve device for internal combustion engine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable valve device for internal combustion engine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4045174