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. 29, 2012
Filed:
Apr. 24, 2007
Yasufumi Takahashi, Osaka, JP;
Hiroshi Hasegawa, Osaka, JP;
Masaru Matsui, Kyoto, JP;
Atsuo Okaichi, Osaka, JP;
Takeshi Ogata, Osaka, JP;
Yasufumi Takahashi, Osaka, JP;
Hiroshi Hasegawa, Osaka, JP;
Masaru Matsui, Kyoto, JP;
Atsuo Okaichi, Osaka, JP;
Takeshi Ogata, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An the expander-compressor unit () includes a closed casing () in which an oil can be stored in its bottom part, a compression mechanism () disposed in an upper part of the closed casing (), an expansion mechanism () disposed in a lower part of the closed casing (), a shaft () for coupling the compression mechanism () and the an expansion mechanism () to each other, and an oil pump (), disposed between the compression mechanism () and the expansion mechanism (), for supplying the oil () filling a surrounding space of the expansion mechanism () to the compression mechanism ().