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. 10, 2012
Filed:
Jul. 31, 2006
Yi Zhou, Shanghai, CN;
Yabing Tang, Shanghai, CN;
Liang Xu, Shanghai, CN;
Chunhui Liu, Shanghai, CN;
Yi Zhou, Shanghai, CN;
Yabing Tang, Shanghai, CN;
Liang Xu, Shanghai, CN;
Chunhui Liu, Shanghai, CN;
Shanghai Hitachi Electrical Appliances Co., Ltd., Pudong Jingqiao, Shanghai, CN;
Abstract
A double cylinder compressor with controlled capacity having a capacity switch device, and a reservoir having an inlet and two outlets which are connected with an upper and a lower cylinder of the double cylinder compressor through the capacity switch device. The capacity switch device being switched to realize the connection in series or in parallel for the cylinders of the double cylinder compressor, as a result, the discharge capacity of the compressor is that of the second stage cylinder when the connection in series, or the sum of the two cylinders when the connection is in parallel.