Title:
エンジン装置
Document Type and Number:
Japanese Patent JP7310660
Kind Code:
B2
Abstract:
An engine device is equipped with an engine, a supercharger having a turbine, a compressor and a waste gate valve, and a control device that controls the engine and the supercharger, and that performs an abnormality diagnosis of a relationship between an intake air amount of the engine and a supercharging pressure as a pressure downstream of the compressor in the intake pipe. The control device performs boost control for controlling the waste gate valve such that the supercharging pressure becomes higher when a predetermined condition is fulfilled than when the predetermined condition is not fulfilled. The control device further sets a threshold for use in the abnormality diagnosis, based on whether or not the boost control is performed.
More Like This:
Inventors:
Akito Uchida
Application Number:
JP2020042922A
Publication Date:
July 19, 2023
Filing Date:
March 12, 2020
Export Citation:
Assignee:
Toyota Motor Corporation
International Classes:
F02B39/16; F02B37/12; F02B37/18; F02D41/22
Domestic Patent References:
| JP2007009877A | ||||
| JP2015218689A | ||||
| JP2016020632A | ||||
| JP2014109233A | ||||
| JP61279734A | ||||
| JP61138829A |
Attorney, Agent or Firm:
Patent Attorney Corporation ITEC International Patent Office