Electromagnetic valve
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United States of America Patent
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Apr 16, 2019
Grant Date -
May 12, 2016
app pub date -
Oct 6, 2015
filing date -
Nov 6, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An electromagnetic valve according to one embodiment includes a body having a lead-in port through which a refrigerant is led in, a lead-out port through which the refrigerant is led out, and a valve hole formed in a passage joining the lead-in port to the lead-out port, a main valve element that opens and closes a valve section by moving toward and away from the valve hole, and a solenoid that supplies a drive force in a direction of axis line to the valve element, the solenoid being mounted on the body. The main valve element has a pilot passage that is open to the valve hole and an orifice that throttles and expands the refrigerant led in from the lead-in port so as to be led out to the pilot passage, the orifice being so formed as to communicate between the lead-in port and the pilot passage.
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