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.
Patent No.:
Date of Patent:
Sep. 14, 2010
Filed:
Nov. 16, 2006
Applicant:
Nobuo Fujita, Toyota, JP;
Inventor:
Nobuo Fujita, Toyota, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is disclosed a Roots type pump in which two rotors are rotated synchronously in a pump chamber to compress fluid therein, wherein respective stop positions of the rotors in the pump chamber at a time of stopping the pump are determined independently of each other.