Control valve for a variable displacement compressor
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United States of America Patent
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May 16, 2017
Grant Date -
Oct 24, 2013
app pub date -
Apr 11, 2013
filing date -
Apr 23, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A control valve according to an embodiment includes a body having a valve hole and a guiding passage formed coaxially with the valve hole, an actuating rod, slidably supported along the guiding passage, which is provided with a valve element, a solenoid for applying the solenoidal force in an opening or closing direction of a valve section to the valve element via the actuating rod, and a seal section, provided between the actuating rod and the guiding passage, which houses a sealing member for restricting the leakage of refrigerant from a high pressure side to a low pressure side. The actuating rod and the guiding passage are configured such that the clearance, between the actuating rod and the guiding passage, which is at a higher-pressure side of the seal section is larger than the clearance which is at a lower-pressure side of the seal section.
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