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. 02, 2014
Filed:
Mar. 22, 2012
Toshiyuki Kobayashi, Kariya, JP;
Mitsuyo Ishikawa, Kariya, JP;
Jun Kondo, Kariya, JP;
Kabushiki Kaisha Toyota Jidoshokki, Aichi-Ken, JP;
Abstract
A double-headed piston type swash plate compressor is provided with a front housing including a suction chamber, a rear housing, a cylinder block, a rotation shaft, and double-headed pistons. The cylinder block includes cylinder bores, a rotation shaft accommodation bore, a communication conduit that communicates the suction chamber with the rotation shaft accommodation bore, and suction passages communicating the rotation shaft accommodation bore to front compression chambers. The rotation shaft includes a groove passage that communicates with the suction passages. Further, the rotation shaft includes an annular groove that communicates the communication conduit with the groove passage. The annular groove includes a front side surface, which is spaced toward the rear housing from an opening of the rotary shaft accommodation bore that faces the front housing.