Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means
Reexamination Certificate
2008-12-08
2011-10-25
Chang, Ching (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Camshaft drive means
C123S090170, C464S160000
Reexamination Certificate
active
08042507
ABSTRACT:
A rotary component with a rotor having a plurality of teeth arranged around the perimeter of the rotor. Each tooth has a crown and each pair of adjacent teeth has a valley therebetween. The crowns of the teeth lie on a curved envelope forming the perimeter of the rotor. The perimeter of the rotor has a non-circular profile with at least two protruding portions alternating with receding portions, in which the distance between the midpoints of the crowns of each pair of adjacent teeth is substantially the same, the profile of the valley between each pair of adjacent teeth is substantially the same, and the distance between the midpoint of each crown and the axis of the rotor varies around the perimeter to produce the said non-circular profile.
REFERENCES:
patent: 4756203 (1988-07-01), Matsuda et al.
patent: 4974470 (1990-12-01), Ishikawa et al.
patent: 5417186 (1995-05-01), Elrod et al.
patent: 6776067 (2004-08-01), Bogelein et al.
patent: 7044875 (2006-05-01), Gajewski et al.
patent: 7232391 (2007-06-01), Gajewski et al.
patent: 7493880 (2009-02-01), Gajewski
patent: 2401806 (2001-09-01), None
patent: 19520508 (1996-12-01), None
patent: 63106453 (1988-05-01), None
Chang Ching
Harness & Dickey & Pierce P.L.C.
Litens Automotive Partnership
LandOfFree
Non-circular rotary component does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Non-circular rotary component, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-circular rotary component will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4296157