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. 28, 2015
Filed:
Mar. 29, 2011
Kouichi Imada, Tokyo, JP;
Mutsunori Matsunaga, Tokyo, JP;
Takeshi Tsuchiya, Tokyo, JP;
Shuji Hasegawa, Tokyo, JP;
Yoshihiro Fukaya, Tokyo, JP;
Hiromu Takeda, Tokyo, JP;
Masatsugu Chikano, Tokyo, JP;
Kouichi Imada, Tokyo, JP;
Mutsunori Matsunaga, Tokyo, JP;
Takeshi Tsuchiya, Tokyo, JP;
Shuji Hasegawa, Tokyo, JP;
Yoshihiro Fukaya, Tokyo, JP;
Hiromu Takeda, Tokyo, JP;
Masatsugu Chikano, Tokyo, JP;
Hitachi Appliances, Inc., Tokyo, JP;
Abstract
A scroll compressor includes a crankshaft, a suction chamber, a back pressure chamber, a communication path, a back pressure control means, and a base plate. The base plate intermittently connects the communication path by opening and closing an opening on a back pressure chamber side of the communication path. The crankshaft drives an orbiting scroll, and mutually engages a stationary scroll having a whirlpool shape and the orbiting scroll.