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. 16, 1989
Filed:
Mar. 31, 1988
Seiji Sumikawa, Konan, JP;
Hidehiko Takayama, Konan, JP;
Yoshio Suzuki, Konan, JP;
Mitsuya Ono, Konan, JP;
Diesel Kiki Co., Ltd., Tokyo, JP;
Abstract
A sliding-vane rotary compressor of the type having a cylinder, a rotor rotatably disposed therein and carrying thereon a plurality of vanes, a pair of side blocks attached to opposite ends of the cylinder, and a pair of heads attached to the side blocks, respectively, the improvement which comprises a partition wall separating an oil sump from a low pressure chamber which is defined by and between one of the side block and the head attached thereto, and at least two connecting passages interconnecting the oil sump and a high pressure chamber which is defined by and between the other side block and the head attached thereto.