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:
Jan. 13, 2004
Filed:
Nov. 12, 2002
Applicant:
Inventors:
Tomoji Tarutani, Kariya, JP;
Hirohiko Tanaka, Kariya, JP;
Hisato Kawamura, Kariya, JP;
Kenji Mochizuki, Kariya, JP;
Assignee:
Kabushiki Kaisha Toyota Jidoshokki, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 4/302 ; F25B 1/500 ; F25B 3/100 ; F04B 1/12 ;
U.S. Cl.
CPC ...
F25B 4/302 ; F25B 1/500 ; F25B 3/100 ; F04B 1/12 ;
Abstract
An oil separator is provided on a bleeding channel inside the shaft By integral rotation of the shaft and a rotary valve, oil contained in a refrigerant gas is centrifuged via the oil separator. The separated oil is supplied to an interface between the rotary valve and a cylinder block, namely, a clearance portion of the rotary valve. The separated oil is also supplied into a clearance between a piston and a cylinder bore via a suction port and a suction channel.