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Patent Searching and Data


Title:
【発明の名称】圧電素子の駆動装置
Document Type and Number:
Japanese Patent JP2536114
Kind Code:
B2
Abstract:
In an apparatus for driving a piezoelectric element (117) to close and open a valve member (103) by expanding and contracting a volume of a pressure chamber (113), at an initial stage of a closing state of the valve member, a higher voltage than a conventional charging voltage or a lower voltage than a conventional discharging voltage is applied to the piezoelectric element, to thus create an initial large closing force at the valve member.

Inventors:
MITSUYASU MASAKI
Application Number:
JP766889A
Publication Date:
September 18, 1996
Filing Date:
January 18, 1989
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD
International Classes:
F02D41/20; F02D41/30; F02M51/00; F02M51/06; F16K31/02; H01L41/04; F02B1/04; F02M63/00; (IPC1-7): F16K31/02; F02M51/00; F02M51/06
Attorney, Agent or Firm:
Aoki Akira (4 outside)