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.

Date of Patent:
Oct. 27, 2009

Filed:

Nov. 17, 2003
Applicants:

Satoshi Watanabe, Saitama, JP;

Minoru Kanaizuka, Saitama, JP;

Yasunori Hujita, Saitama, JP;

Ryosuke Izawa, Saitama, JP;

Toshiaki Kuribara, Saitama, JP;

Hironori Tomita, Saitama, JP;

Hirofumi Kobayashi, Saitama, JP;

Inventors:

Satoshi Watanabe, Saitama, JP;

Minoru Kanaizuka, Saitama, JP;

Yasunori Hujita, Saitama, JP;

Ryosuke Izawa, Saitama, JP;

Toshiaki Kuribara, Saitama, JP;

Hironori Tomita, Saitama, JP;

Hirofumi Kobayashi, Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/12 (2006.01); F04B 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A reciprocating compressor includes a cylinder block having formed therein a plurality of cylinders, pistons that make reciprocal movement inside the cylinders, a first cylinder head fixed to one end of the cylinder block via a valve plate, a second cylinder head fixed to another end of the cylinder block via a valve plate, a first delivery chamber formed at the first cylinder head, into which a working fluid let out from a first compression space formed toward one end inside each of the cylinders is guided, a second delivery chamber formed at the second cylinder head, into which a working fluid let out from a second compression space formed toward another end inside each of the cylinders is guided, a plurality of delivery passages formed at the cylinder block and an outlet port located at the cylinder block or the cylinder head.


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