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. 26, 2017
Filed:
May. 30, 2013
Calsonic Kansei Corporation, Saitama, JP;
Kouji Hirono, Saitama, JP;
Hirotada Shimaguchi, Saitama, JP;
Masahiro Tsuda, Saitama, JP;
Shizuma Kaneko, Saitama, JP;
Tatsuya Osaki, Saitama, JP;
CALSONIC KANSEI CORPORATION, Saitama, JP;
Abstract
A gas compressor includes at least two first and second discharge ports () which are provided at an upstream side in a rotation direction of a rotor () along a peripheral direction of an inner peripheral surfaceof a cylinder () with respect to a closest area (proximity part ()) where the inner peripheral surface () of the cylinder () and an outer peripheral surface () of the rotor () are closest in a range of one revolution of a rotation shaft () and configured to discharge the refrigerant gas compressed in compression chambers (). Of the first and second discharge ports (), on only the first discharge port () closest to the proximity part (), a cutout groove portion () is provided at a downstream-side edge portion of the first discharge port () in the rotation direction of the rotor ().