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:
Aug. 26, 2008
Filed:
Mar. 24, 2005
Applicants:
Hideaki Sumi, Utsunomiya, JP;
Hikaru Okada, Asaka, JP;
Satoshi Hanai, Suzaka, JP;
Hiroshi Machida, Utsunomiya, JP;
Inventors:
Hideaki Sumi, Utsunomiya, JP;
Hikaru Okada, Asaka, JP;
Satoshi Hanai, Suzaka, JP;
Hiroshi Machida, Utsunomiya, JP;
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 3/32 (2006.01); B01D 53/02 (2006.01); B01D 59/26 (2006.01); B01D 53/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A PSA mechanism has adsorption towers. Cleaning valves and off gas valves are connected to the adsorption towers. Valve positions of at least either the cleaning valves or the off gas valves are determined based on an operation suspension period of the PSA mechanism or internal conditions which vary depending on the operation suspension period.