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. 03, 1998
Filed:
Oct. 24, 1996
Vincent Pomme, Montigny le Bretonneux, FR;
Valeo Climatisation, La Verriere, FR;
Abstract
The invention concerns a device for the heating and air-conditioning of the passenger compartment of a motor vehicle with an electric motor. The device comprises a main loop containing an internal heat exchanger suitable for exchanging heat with a flow of air sent into the passenger compartment an external heat exchanger suitable for exchanging heat with a flow of air external to the passenger compartment and a pressure reducing valve interposed between the internal heat exchanger and the external heat exchanger; a secondary loop containing a compressor and an evaporator connected to a cooling circuit for the power circuit associated with the electric motor of the vehicle, and a valve for switching between the main loop and the secondary loop in order to cause the refrigerating fluid to circulate in the main loop in a chosen direction of circulation,