The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 25, 2008

Filed:

Jun. 02, 2005
Applicants:

Norikazu Ide, Tokyo, JP;

Tomoyuki Fujita, Tokyo, JP;

Hideyasu Ihira, Tokyo, JP;

Inventors:

Norikazu Ide, Tokyo, JP;

Tomoyuki Fujita, Tokyo, JP;

Hideyasu Ihira, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 4/00 (2006.01); F04C 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A body boreformed in a bodyis closed with a cover, as well as a cam ringis incorporated into the body bore, and a rotoris arranged inside the cam ring. Vanesmove in and out along an inner surface of the cam ringwith rotation of the rotor. An iron reinforcing plateis interposed inside the body borebetween the cam ringand the cover


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