Cam shaft assembly for an engine

Internal-combustion engines – Poppet valve operating mechanism – Cam

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C123S090270, C123S090370, C029S888100, C074S567000

Reexamination Certificate

active

11191834

ABSTRACT:
An internal combustion engine including an engine housing having a cam chamber and an aperture providing access to the cam chamber. The engine also includes an insert at least partially made from plastic received within the aperture, a crankshaft coupled to the engine housing for rotation about a crank axis, and a cam shaft defining a cam shaft axis and at least partially made from plastic that is rotatably driven by the crankshaft. The cam shaft includes first and second ends and at least one cam lobe positioned between the ends. The first end is rotatably supported by the engine housing and the second end is rotatably supported by the insert. The engine also includes a metal portion coupled to either the insert or the cam shaft. The metal portion defines a flange having a face in contact with an adjacent surface of the other of the insert and the cam shaft.

REFERENCES:
patent: 4984539 (1991-01-01), Shinoda et al.
patent: 5307708 (1994-05-01), Matt
patent: 5351663 (1994-10-01), Makimura et al.
patent: 5497679 (1996-03-01), Mitchell et al.
patent: 5497735 (1996-03-01), Kern et al.
patent: 5724860 (1998-03-01), Sekiguchi et al.
patent: 5797180 (1998-08-01), Buchholz
patent: 5826461 (1998-10-01), Kaywood et al.
patent: 5860328 (1999-01-01), Regueiro
patent: 5947070 (1999-09-01), Immel et al.
patent: 5947075 (1999-09-01), Ryu et al.
patent: 5992265 (1999-11-01), Klaar
patent: 6499453 (2002-12-01), Immel et al.
patent: 6672273 (2004-01-01), Ito et al.
patent: 2004/0000213 (2004-01-01), Hamamoto et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Cam shaft assembly for an 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 Cam shaft assembly for an engine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cam shaft assembly for an engine will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3831260

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.