CAPACITY CONTROL VALVE
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United States of America Patent
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app pub date -
May 15, 2013
filing date -
May 24, 2012
priority date (Note) -
Abandoned
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Abstract
In an embodiment, a capacity control valve includes: a pressure-sensitive body 50 positioned in a third valve chamber 38; an adapter 53 provided on the free end of the pressure-sensitive body 50 having a circular seating surface; a third valve part 43 that moves integrally with a valve element 40 in the third valve chamber 38 and has a circular engagement surface that opens/closes intake-side passages 34 by engaging with and separating from the seating surface of the adapter 53; and a solenoid 60 that applies an electromagnetic drive force to the valve element 40 in the direction of closing a first valve part 41, wherein the pressure-sensitive body 50 is formed by a formed bellows made of material having greater yield stress than phosphor bronze, and the formed bellows has its diameter set smaller and its stroke longer than the diameter and stroke of a phosphor bronze bellows.
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