Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD OF CONTROLLING THROTTLE VALVE OF ENGINE AND CONTROLLER
Document Type and Number:
WIPO Patent Application WO/1999/053182
Kind Code:
A1
Abstract:
A device for controlling a throttle valve of an engine by increasing a signal for controlling the opening of the throttle valve more as the response of the throttle valve is worse so as to enhance the rapidness and response of the valve. The device comprises means for comparing the target opening degree, which is the control target of the throttle valve, with the actual opening degree obtained by a sensor and so forth and for finding the correction target opening degree of the throttle valve from a map or by calculation according to the difference obtained by the comparison.

Inventors:
KAMIMURA YASUHIRO (JP)
SASAKI YASUSHI (JP)
TOMITA NORIO (JP)
Application Number:
PCT/JP1999/001988
Publication Date:
October 21, 1999
Filing Date:
April 14, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI LTD (JP)
KAMIMURA YASUHIRO (JP)
SASAKI YASUSHI (JP)
TOMITA NORIO (JP)
International Classes:
F02D11/10; (IPC1-7): F02D11/10; F02D41/14
Foreign References:
JPH1089140A1998-04-07
JPS58133447A1983-08-09
JPH1047135A1998-02-17
JPH0797959A1995-04-11
JPH09317538A1997-12-09
JPS5637414A1981-04-11
JPH07322136A1995-12-08
JPH08144820A1996-06-04
Other References:
See also references of EP 1072774A4
Attorney, Agent or Firm:
Takada, Yukihiko (Saiwai-cho 2-chome Hitachi-shi Ibaraki, JP)
Download PDF: