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:
Apr. 14, 1998
Filed:
Jul. 29, 1996
Kenji Taguchi, Gunma, JP;
Takahiro Nakamura, Kyoto, JP;
Shinichi Matsumura, Osaka, JP;
Yasuyuki Kuwaki, Osaka, JP;
Takafumi Nakayama, Hyogo, JP;
Sanyo Electric Co., Ltd., Moriguchi, JP;
Abstract
The weight of crank mechanism portion is reduced and driving force efficiency is improved by reducing in the friction loss in the driving force on the side of a compression piston. A gas compressor expander includes a first expansion cylinder and a first displacer arranged in a T shape, a first connecting lever, a first compression cylinder, a first compression piston, a second expansion cylinder and a second displacer also arranged in a T shape, a second connecting lever, a second compression cylinder, a second compression piston. A first expansion chamber, a first compression chamber, and a third compression chamber are communicated through a first communicating tube, while a second expansion chamber, a second compression chamber, and a fourth compression chamber are communicated through a second communicating tube.