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:
Jul. 12, 2011
Filed:
May. 18, 2007
Yoshinori Inoue, Kariya, JP;
Naoki Koeda, Kariya, JP;
Akinobu Kanai, Kariya, JP;
Hiroyuki Nakaima, Kariya, JP;
Tomoji Tarutani, Kariya, JP;
Yoshinori Inoue, Kariya, JP;
Naoki Koeda, Kariya, JP;
Akinobu Kanai, Kariya, JP;
Hiroyuki Nakaima, Kariya, JP;
Tomoji Tarutani, Kariya, JP;
Kabushiki Kaisha Toyota Jidoshokki, Aichi-Ken, JP;
Abstract
A refrigerant gas compressor includes a cylinder block formed with plural cylinder bores, a first housing disposed at the one end of the cylinder block, a second housing disposed at the other end of the cylinder block, a drive shaft supported by the cylinder block and one of the housings, a crank chamber formed in one of the housings, a suction chamber and a discharge chamber formed in one of the housings, a valve plate assembly disposed between the cylinder block and at least one of the housings, a stepped portion formed adjacent to the valve plate assembly to receive a part of the valve plate assembly. A storage chamber is provided for reserving therein oil separated from refrigerant gas. An oil groove is formed by the stepped portion and the valve plate assembly and connecting the storage chamber with one of the crank chamber and the suction chamber.