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:
May. 30, 2006
Filed:
Jun. 23, 2003
Haruo Miura, Tokyo, JP;
Shigeru Arai, Tokyo, JP;
Youichirou Fukai, Tokyo, JP;
Yasuo Fukushima, Tokyo, JP;
Haruo Miura, Tokyo, JP;
Shigeru Arai, Tokyo, JP;
Youichirou Fukai, Tokyo, JP;
Yasuo Fukushima, Tokyo, JP;
Hitachi Industries Co., Ltd., Tokyo, JP;
Abstract
A reciprocating compressor, being small-sized and compact, for compressing hydrogen gas to be used in a fuel-cell car, has a crankshaft, to which an end of a connecting rod is connected. The other end of the connecting rod is connected to a crosshead. To the crosshead are connected a pair of shafts, each extending in directions opposing to each other. To each of the shafts is connected a plunger. The each plunger is received within a cylinder at the tip portion thereof. A pair of plungers moves reciprocally on an almost same axis, and the crosshead is formed in one body.