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:
Apr. 20, 2010
Filed:
Oct. 27, 2005
Kiyoshi Terauchi, Isesaki, JP;
Masataka Tsunoda, Isesaki, JP;
Kazuyuki Shimamura, Isesaki, JP;
Sanden Corporation, Isesaki, JP;
Abstract
In a scroll-type fluid machine (), a refrigerant in a discharge chamber () is adjusted at prescribed discharge pressure by using a discharge valve (), discharged from a scroll unit (), and supplied to a refrigeration circuit (), and the machine has a circulation path () for introducing the refrigerant in the discharge chamber from the refrigeration circuit toward a drive casing () while maintaining the refrigerant pressure, and an inlet path () formed in a compression casing () and leads the refrigerant in the circulation path to the rear side of a movable scroll () to make the led refrigerant counteract the refrigerant discharge pressure acting on the front side of the movable scroll.