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:
Feb. 18, 2003
Filed:
Apr. 02, 2001
Applicant:
Inventors:
Assignee:
Sanden Corporation, Gunma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 4/306 ; F04B 1/12 ; F04B 4/900 ; F04B 2/300 ; F16K 1/500 ;
U.S. Cl.
CPC ...
F04B 4/306 ; F04B 1/12 ; F04B 4/900 ; F04B 2/300 ; F16K 1/500 ;
Abstract
In a variable displacement compressor of a piston type, a valve body ( ) is movably placed adjacent to a main channel ( ) communicating a suction port ( ) with a suction chamber ( ). The valve body is for variably controlling an opening area of the main channel. A fluid damper ( ) is coupled to the valve body to damp vibration of the valve body. In addition, a bypass channel ( ) is formed outside of the air damper to communicate the suction port with the suction chamber.