Heat pump with improved performance in heating mode
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United States of America Patent
Stats
-
Jun 21, 2005
Grant Date -
Dec 30, 2004
app pub date -
Jun 26, 2003
filing date -
Jun 26, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A heat pump having an indoor coil that operates as a condenser when the system is in a heating mode and an outdoor coil that operates as an evaporator when the system is in the heating mode. A variable speed indoor fan is used to move supply air over the indoor coil and a temperature sensor is arranged to provide ambient outdoor temperature data to a programmable computer. The computer contains a schedule for continuously adjusting the speed of the indoor fan in response to changes in the ambient temperature so as to maintain the temperature of the supply air at a constant level. In doing so, the compressor discharge pressure is also maintained within allowable limits and is held substantially constant.
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Family
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