Title:
CONTROL DEVICE FOR SUPERCHARGED ENGINE
Document Type and Number:
Japanese Patent JP2022054703
Kind Code:
A
Abstract:
To provide a control device for a supercharged engine capable of suppressing discomfort resulting from operation of a wastegate valve.SOLUTION: A supercharged engine 10 comprises a turbocharger 20. The turbocharger 20 includes a wastegate valve 40. The wastegate valve 40 has a valve body 41 for opening/closing a bypass passage 29 for bypassing a turbine wheel 28 in an exhaust passage 14, a negative pressure actuator 42 for driving the valve body 41 to open/close, and a link mechanism 43 provided between the negative pressure actuator 42 and the valve body 41. When an engine halt signal is inputted, an ECU 100 initiates control for stopping an engine after initiating control for opening the bypass passage 29 in the valve body 41 for the negative pressure actuator 42 of the wastegate valve.SELECTED DRAWING: Figure 1
Inventors:
IGARASHI OSAMU
Application Number:
JP2020161874A
Publication Date:
April 07, 2022
Filing Date:
September 28, 2020
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F02B37/18; F02B37/12; F02D23/02
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda