Relay
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United States of America Patent
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May 29, 2012
Grant Date -
Mar 11, 2010
app pub date -
Jul 14, 2009
filing date -
Sep 5, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A relay comprises: a solenoid; a hermetically sealed chamber mounted at a lower end thereof with a cylinder into which a center portion of the spool is inserted, mounted at an upper end thereof with a pair of stationary terminals each provided at a stationary contact point and filled therein with insulating gas to be coupled at an upper portion of the spool; an insulation member insulating the chamber and the stationary terminals; a movable unit including a shaft, a conductive movable terminal, and a pair of movable contact points; a restoring spring to pull the shaft toward the lower surface of the cylinder; and an insulated sliding guide to guide the movable unit that is moved by the solenoid and the restoring spring.
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