Title:
ELECTRONIC THROTTLE DRIVE DEVICE AND ENGINE CONTROLLER COMPRISING ELECTRONIC THROTTLE DRIVE DEVICE
Document Type and Number:
Japanese Patent JP2019060288
Kind Code:
A
Abstract:
To improve quietness in stopping an engine, and also improve startability of the engine.SOLUTION: An electronic throttle drive device is configured to: monitor a change period of a motor drive frequency after a power source is turned on; add a function of stopping a throttle motor 5A; further monitor and adjust throttle valve opening Tp in change of the motor drive frequency; and moreover control a starter motor 16, a fuel injector 8, an ignition coil 11A and a fuel pump 13 so as not to drive an engine until a frequency becomes a target frequency or until the throttle valve opening Tp becomes target opening.SELECTED DRAWING: Figure 2
Inventors:
WADA SHUICHI
Application Number:
JP2017185680A
Publication Date:
April 18, 2019
Filing Date:
September 27, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F02D11/10; F02D43/00; F02D45/00
Attorney, Agent or Firm:
Masuo Oiwa
Takenaka Ikuo
Keigo Murakami
Kenji Yoshizawa
Takenaka Ikuo
Keigo Murakami
Kenji Yoshizawa