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:
Mar. 06, 1990
Filed:
Jun. 30, 1988
Applicant:
Inventor:
Takai Kazuhiko, Maebashi, JP;
Assignee:
Sanden Corporation, Isesaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
621963 ; 62217 ; 622285 ; 417311 ;
Abstract
A refrigerant circuit with a passageway control mechanism is disclosed which includes a compressor, a condenser and an evaporator connected to each other in series. The passageway control mechanism is disposed between an outlet side of the evaporator and an inlet side of the compressor and operates to change the size of an opening area of a passageway therebetween responsive to the pressure difference between high and low pressure areas within the compressor.
Kazuhiko, Takai. (1990). Refrigerant circuit with passageway control mechanism (U.S. Patent No. 4905477). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4905477
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