Control valve for a variable displacement compressor
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Jun 18, 2014
filing date -
Jun 28, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A control valve is configured such that a suction pressure, which is used to displace a sub-valve element in a valve opening direction after a main valve has been closed, is varied according to a value of current supplied to a solenoid. A crankcase communication port, which communicates with a crankcase of a compressor, and a suction chamber communication port, which communicates with a suction chamber of the compressor, are provided in a body. A sub-valve chamber whose diameter is larger than that of the main valve hole is formed between the crankcase communication port and a main valve hole, and a sub-valve is placed in the sub-valve chamber.
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