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Inventor:
Liang; Hongmei
Address:
Indianapolis, IN
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
6149066 Method and apparatus for controlling supplemental heat in a heat pump system November 21, 2000
A method and apparatus for controlling supplemental heat added to the air stream passing from an indoor coil to an air supply duct of a heat pump system, the heat pump system being of the type that includes an indoor thermostat having a first set point for initiating heat supplied by the
5967411 Method and apparatus for controlling supplemental heat in a heat pump system October 19, 1999
A method and apparatus for controlling supplemental heat added to the air stream passing from an indoor coil to an air supply duct of a heat pump system, the heat pump system being of the type that includes an indoor thermostat having a first set point for initiating heat supplied by the
5758507 Heat pump defrost control June 2, 1998
The present invention relates to a method for alleviating a short-term "cold blow" effect in a heat pump heating system. According to a method of the invention, reversing of a system valve in response to the sensing of a defrost condition is delayed by a predetermined time. The amount of
5647533 Run time criteria to control indoor blower speed July 15, 1997
A method is described of selectively varying the speed of the indoor blower of a heat pump for heating a building or other indoor area when ambient temperature drops below a predetermined level, in order to reduce the cold blow effect of air entering the building. The operating run time
5533568 Managing supplementary heat during defrost on heat pumps July 9, 1996
A method of controlling a current defrost cycle for an outdoor coil of a heat pump system, the heat pump system having a plurality of supplemental heating elements for heating an air stream passing from an indoor coil to an air supply duct during defrost operation, wherein an initial qua










 
 
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