Title:
バルブリフト可変機構の駆動制御装置
Document Type and Number:
Japanese Patent JP4458414
Kind Code:
B2
Abstract:
A plurality of reference signals output from a controller which computes an operation amount of an electric actuator is subjected to the logical operation, and the power supply to a drive circuit for the electric actuator is shut off based on an output by the logical operation.
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Inventors:
Kenichi Machida
Satoru Watanabe
Satoru Watanabe
Application Number:
JP2004031728A
Publication Date:
April 28, 2010
Filing Date:
February 09, 2004
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
F02D45/00; F01L1/34; F01L13/00; F02D13/02; H02P7/29
Domestic Patent References:
| JP2003222052A | ||||
| JP7182003A | ||||
| JP2168811A | ||||
| JP200326024A | ||||
| JP9233888A | ||||
| JP11122967A | ||||
| JP2001310750A |
Attorney, Agent or Firm:
Tomijio Sasashima
Shuichiro Kuroiwa
Shuichiro Kuroiwa