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:
Sep. 28, 2010
Filed:
Sep. 30, 2005
Eiji Kumakura, Osaka, JP;
Masakazu Okamoto, Osaka, JP;
Tetsuya Okamoto, Osaka, JP;
Katsumi Sakitani, Osaka, JP;
Eiji Kumakura, Osaka, JP;
Masakazu Okamoto, Osaka, JP;
Tetsuya Okamoto, Osaka, JP;
Katsumi Sakitani, Osaka, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
A casing () houses therein an expansion mechanism () and a compression mechanism (). The expansion mechanism () has a rear head () in which a pressure snubbing chamber () is provided. The pressure snubbing chamber () is divided by a piston () into an inflow/outflow chamber () which fluidly communicates with an inflow port () and a back pressure chamber () which fluidly communicates with the inside of the casing (). The piston () is displaced in response to suction pressure variation whereby the volume of the inflow/outflow chamber () varies. This enables the inflow/outflow chamber () to directly perform supply of refrigerant to or suction of refrigerant from the inflow port () which is a source of pressure variation, thereby making it possible to effectively inhibit suction pressure variation.