Motion coupler for a piezoelectric actuator
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United States of America Patent
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Feb 23, 2010
Grant Date -
Oct 22, 2009
app pub date -
Apr 18, 2008
filing date -
Apr 18, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present disclosure is directed to a fuel injector. The fuel injector may include a casing substantially aligned along a central axis of the fuel injector. The fuel injector may also include a control valve configured to control a flow of fuel through the fuel injector. The fuel injector may also include a piezoelectric element disposed within the casing and associated with the control valve. The fuel injector may further include a motion coupler disposed between the control valve and the piezoelectric element the motion coupler configured to affect shock to reduce microscopic fractures within the piezoelectric element.
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