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Patent Searching and Data


Title:
VALVE CONTROL DEVICE AND VALVE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/152963
Kind Code:
A1
Abstract:
This valve control device is provided with a drive circuit for supplying a drive signal over a prescribed transmission line to an actuator to adjust the opening degree of a valve, and generates a PWM signal on the basis of an externally supplied target opening degree and a sensor signal that indicates the actual opening degree of the valve, and supplies said PWM signal to the drive circuit. This valve control device is provided with a disconnection detection means which detects disconnection of the transmission line on the basis of a monitor signal of the drive signal and the PWM signal.

Inventors:
ITO Hiroshi (Tochigi Research & Development Center 2021-8, Hoshakuji, Takanezawa-machi, Shioya-gu, Tochigi 33, 〒3291233, JP)
YAHAGI Takuya (Tochigi Research & Development Center 2021-8, Hoshakuji, Takanezawa-machi, Shioya-gu, Tochigi 33, 〒3291233, JP)
SHIKINE Youichiro (Tochigi Research & Development Center 2021-8, Hoshakuji, Takanezawa-machi, Shioya-gu, Tochigi 33, 〒3291233, JP)
ICHIKAWA Tomohide (Tochigi Research & Development Center 2021-8, Hoshakuji, Takanezawa-machi, Shioya-gu, Tochigi 33, 〒3291233, JP)
YAMAMOTO Kensuke (4-1, Chuo 1-chome, Wako-sh, Saitama 93, 〒3510193, JP)
INOUE Akihito (4-1, Chuo 1-chome, Wako-sh, Saitama 93, 〒3510193, JP)
Application Number:
JP2016/059333
Publication Date:
September 29, 2016
Filing Date:
March 24, 2016
Export Citation:
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Assignee:
KEIHIN CORPORATION (26-2, Nishishinjuku 1-chome Shinjuku-k, Tokyo 39, 〒1630539, JP)
HONDA MOTOR CO., LTD. (1-1 Minami-Aoyama 2-chome, Minato-ku Tokyo, 56, 〒1078556, JP)
International Classes:
F16K37/00; F02B37/18; F02D45/00
Foreign References:
JP3189717B22001-07-16
JPH06249040A1994-09-06
JP2007138743A2007-06-07
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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