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. 29, 2000
Filed:
Nov. 12, 1997
Applicant:
Inventor:
Stefan Karl, Paris, FR;
Assignee:
Valeo Climatisation, La Verriere, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ; F25B / ;
U.S. Cl.
CPC ...
621964 ; 623244 ;
Abstract
In a motor vehicle air conditioning apparatus, the fluid flowing in the circuit of the apparatus flows in a bypass branch, bypassing the condenser, in a heating mode of the apparatus. The evaporator then receives the fluid in a gaseous state and acts as a heat exchanger for dissipating the heat produced in the compressor. The heat dissipated by the evaporator can be used for heating the cabin when that produced by the engine of the vehicle is insufficient. A control unit provides special control of the variable capacity of the compressor which is compatible with the heating mode.