Flow rate control valve
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United States of America Patent
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-
Feb 18, 2003
Grant Date -
N/A
app pub date -
Nov 16, 2000
filing date -
Nov 16, 1999
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A flow rate control valve comprises a piezoelectric actuator and a displacement amount-amplifying mechanism for amplifying a displacement amount of the piezoelectric actuator. An amplified displacement amount, which is amplified by the displacement amount-amplifying mechanism, is transmitted to a valve head. The valve head is operated to regulate a flow rate of a fluid passing through a communication passage for making communication between an inflow passage and an outflow passage of a valve body. The displacement amount-amplifying mechanism is provided with an input section and an output section which are displaceable along an axis, and a displacement-transmitting section which is tiltably displaceable by a predetermined angle.
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