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:
Jul. 15, 2008
Filed:
Jan. 27, 2004
Shigeki Iwanami, Okazaki, JP;
Yasushi Yamanaka, Nakashima-gun, JP;
Yasushi Suzuki, Chiryu, JP;
Atsushi Inaba, Kariya, JP;
Hironori Asa, Okazaki, JP;
Keiichi Uno, Kariya, JP;
Kazuhide Uchida, Hamamatsu, JP;
Shigeki Iwanami, Okazaki, JP;
Yasushi Yamanaka, Nakashima-gun, JP;
Yasushi Suzuki, Chiryu, JP;
Atsushi Inaba, Kariya, JP;
Hironori Asa, Okazaki, JP;
Keiichi Uno, Kariya, JP;
Kazuhide Uchida, Hamamatsu, JP;
DENSO CORPORATION, Kariya, JP;
Nippon Soken, Inc., Nishio, JP;
Abstract
A check valve is provided to each discharge port, which communicates between a corresponding working chamber and a high pressure chamber in an integrated compressor/expander apparatus. A valve mechanism, which is opened in a motor mode, is provided to communicate between the working chamber and the high pressure chamber.