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:
Jul. 07, 2009
Filed:
Jun. 07, 2007
Roman Heckt, Aachen, DE;
Dragi Antonijevic, Belgrade, RU;
Roman Heckt, Aachen, DE;
Dragi Antonijevic, Belgrade, RU;
Visteon Global Technologies, Inc., Van Buren Township, MI (US);
Abstract
A heating heat exchanger in a coolant circuit for motor vehicles is provided whereby the air to be heated can be additionally heated by a refrigerant circuit, operable as heat pump or short circuit, for additional heating. A gas cooler/condenser for the additional heating operation and a functionally separated evaporator for the cooling plant operation of the refrigerant circuit are provided. The heat exchanger surfaces of the gas cooler/condenser for the additional heating operation are integrated into the heating heat exchanger and an additional heating operation the air to be heated is simultaneously heated by the heating heat exchanger and the gas cooler/condenser.