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:
Nov. 11, 2008
Filed:
Feb. 24, 2005
Applicants:
Hideaki Sumi, Utsunomiya, JP;
Satoshi Hanai, Haga-gun, JP;
Hikaru Okada, Asaka, JP;
Inventors:
Assignees:
Honda Motor Co., Ltd., Tokyo, JP;
Sumitomo Seika Chemicals Co., Ltd., Kako-gun, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J 7/00 (2006.01); C01B 3/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A residual gas supply means includes a residual gas passage connected to a PSA mechanism and a heater, and a branch passage having opposite ends connected to the residual gas passage and branched from the residual gas passage. The residual gas passage has an opening-adjustable valve having an adjustable opening positioned between the connected opposite ends of the branch passage. The branch passage has a check valve, a chamber for storing the residual gas, and an on-off valve.