Three position solenoid controlled valve
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United States of America Patent
Stats
-
Mar 11, 1997
Grant Date -
N/A
app pub date -
Sep 14, 1994
filing date -
Sep 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A three position solenoid controlled valve comprising: a housing having first, second and third ports; first and second valve bodies for bringing the first and second ports into and out of communication with each other and the second and third ports into and out of communication with each other, respectively; first and second urging members for urging the first and second valve bodies in a valve opening direction and a valve closing direction, respectively; an electromagnetic urging device and a movable member which is displaced by the electromagnetic urging device so as to close and open the first and second valve bodies against urging forces of the first and second urging members, respectively such that the first valve body brings the first and second ports out of communication with each other through relative displacement between the housing and the first valve body.
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