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:
Feb. 18, 1992
Filed:
Mar. 26, 1991
Applicant:
Inventors:
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62-6 ; 60520 ;
Abstract
A refrigeration system includes a refrigerator having a compression portion having a cylinder and a piston moving slidably in the cylinder, a first heat exchanger, a regenerator, a second heat exchanger, and an expansion portion having a bellows and a head formed integrally with the bellows. The piston is driven via a first rod and the head via a second rod. The cylinder has a large diameter portion where the piston is slidably moved and a small diameter portion where the rod is slidably moved.