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, 2003
Filed:
Mar. 14, 2002
Applicant:
Inventors:
Dieter Mosemann, Schildow, DE;
Andreas Thiel, Berlin, DE;
Assignee:
Grasso GmbH Refrigeration Technology, Berlin, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 7/00 ;
U.S. Cl.
CPC ...
F25B 7/00 ;
Abstract
The invention relates to a cascade refrigeration system with screw compressors ( ) connected with each other thermally via a heat exchanger ( ) wherein the refrigerant of the low-temperature circuit is condensed in said heat exchanger ( ), and the refrigerant of the high-temperature circuit is expanded in said heat exchanger ( ), and in addition to said heat exchanger ( ) a desuperheater ( ) is arranged in flow direction ahead of said heat exchanger ( ) in which the working medium of the low-temperature side is cooled down, while the working medium of the high temperature circuit is expanded.