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Patent Searching and Data


Title:
運動機構の駆動制御装置
Document Type and Number:
Japanese Patent JP4241412
Kind Code:
B2
Abstract:
When a variable valve mechanism (112) which varies an opening characteristic of an engine valve (105,107) is malfunctioned, the power supply to a drive circuit (113) for the variable valve mechanism (112) is stopped, and also a control signal to the drive circuit (113) is cleared.

Inventors:
Kenichi Machida
Hidekazu Yoshizawa
Application Number:
JP2004026220A
Publication Date:
March 18, 2009
Filing Date:
February 03, 2004
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
F02D13/02; F01L13/00; F02D41/22; H02P5/68; H02P7/29
Domestic Patent References:
JP2001164950A
Attorney, Agent or Firm:
Tomijio Sasashima