Air conditioning system and operating method for a motor vehicle with heat pump and/or reheat operating mode
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 18, 2005
Grant Date -
Aug 16, 2001
app pub date -
Feb 15, 2001
filing date -
Feb 15, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air conditioning system has a refrigerant cycle, a coolant cycle, a refrigerant/coolant heat exchanger, coupling these cycles so as to transfer heat, and a valve for operating mode-dependent control of the refrigerant flow, whereby the air conditioning system can be operated not only in air conditioning mode but also in a heat pump or reheat mode. An internal combustion engine exhaust gas/coolant heat exchanger is connected upstream in series to the refrigerant/coolant heat exchanger in the coolant cycle in the heat pump mode; and/or in the reheat operating mode the refrigerant/coolant heat exchanger functions as a condenser/gas cooler, connected upstream in series on the coolant side to the supply air/coolant heat exchanger. In addition or as an alternative, a drying operating mode can be provided for drying the supply air/refrigerant heat exchanger with reversed air conveying direction.
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