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:
Sep. 01, 2009
Filed:
Mar. 16, 2006
Hirotsugu Ogasawara, Ota, JP;
Takahiro Nishikawa, Ora-Gun, JP;
Masayuki Hara, Ota, JP;
Hiroyuki Yoshida, Ota, JP;
Yoshihisa Kogure, Ora-Gun, JP;
Akira Hashimoto, Ota, JP;
Hirotsugu Ogasawara, Ota, JP;
Takahiro Nishikawa, Ora-Gun, JP;
Masayuki Hara, Ota, JP;
Hiroyuki Yoshida, Ota, JP;
Yoshihisa Kogure, Ora-Gun, JP;
Akira Hashimoto, Ota, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A hermetically sealed rotary compressorincluding an electrically-driven element, a rotary compressing elementequipped with a cylinderhaving a compression chamberand a hermetically sealed containerin which oilis stocked, is equipped with an oil pathfor injecting the oilinto the compression chamberwhen refrigerant is sucked into the compression chamber, and an opening/closing valvefor opening/closing the oil pathin accordance with the discharge pressure of the rotary compressing elementof the pressure of the compressed refrigerant compressed by the rotary compressing element