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:
Aug. 27, 2013
Filed:
Jun. 28, 2010
Mingyao Xu, Nishitokyo, JP;
Hirokazu Takayama, Nishitokyo, JP;
Kyosuke Nakano, Nishitokyo, JP;
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Abstract
A 4-valve pulse tube cryocooler has, on a high-pressure end of a compressor, first and second coolant supply channels respectively connected to high-temperature ends of a regenerator and a pulse tube. The cryocooler further has, on a low-pressure end of the compressor, a first coolant recovery channel connected to the high-temperature end of the regenerator, a second coolant recovery channel connected to the high-temperature end of the pulse tube, and a third coolant recovery channel connected to the high-temperature end of the pulse tube via a common pipe and including a flow resistance member interposed between a flow control valve and the high-temperature end of the pulse tube.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile