Economy mode for transport refrigeration units
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United States of America Patent
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Apr 4, 2000
Grant Date -
N/A
app pub date -
Mar 26, 1999
filing date -
Mar 26, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
An process and method for monitoring and selectively implementing an operator selected economy mode in a transport refrigeration system is disclosed. The system includes a microprocessor control which, in response to operator selection of the economy mode, increases the base superheat setting, lowers the engine speed, limits the system current, and reduces the compressor capacity in order to optimize the fuel consumption of the system. The controller further monitors for the presence of an out of range alarm, and issues override commands reversing the superheat, compressor, current limit and engine speed economy mode settings at least until the out of range condition no longer exists.
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