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:
Dec. 04, 2012
Filed:
Oct. 09, 2008
Shingo Oyagi, Osaka, JP;
Takeshi Ogata, Osaka, JP;
Takumi Hikichi, Osaka, JP;
Masanobu Wada, Osaka, JP;
Yu Shiotani, Osaka, JP;
Shingo Oyagi, Osaka, JP;
Takeshi Ogata, Osaka, JP;
Takumi Hikichi, Osaka, JP;
Masanobu Wada, Osaka, JP;
Yu Shiotani, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An expander-compressor unit () includes a closed casing (), a compression mechanism () disposed at an upper position in the closed casing (), an expansion mechanism () disposed at a lower position in the closed casing (), a shaft () coupling the compression mechanism () to the expansion mechanism (), and an oil pump () disposed between the compression mechanism () and the expansion mechanism (). The oil pump () supplies the oil held in an oil reservoir () to the compression mechanism () via a suction passage. A strainer () is provided to the suction passage so that the oil to be drawn into the oil pump () passes through the strainer.