Title:
ENGINE DEVICE
Document Type and Number:
Japanese Patent JP2022053989
Kind Code:
A
Abstract:
To prevent the temperature of a supercharger or its ambient temperature from rising after stopping an engine.SOLUTION: In a case where a system is turned off without a drive request for an electric pump of a cooling device that cools a supercharger and its surroundings, when there is no drive request for the electric pump when a predetermined period has elapsed since the system was turned off, a main relay is turned off at predetermined timing after the predetermined period has elapsed. On the other hand, when there is a drive request for the electric pump when the predetermined period has elapsed since the system was turned off, the main relay is turned off at predetermined timing after the drive request for the electric pump disappears.SELECTED DRAWING: Figure 4
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Inventors:
TAKAHASHI MACHIKO
YAGIHASHI MASAO
YAGIHASHI MASAO
Application Number:
JP2020160921A
Publication Date:
April 06, 2022
Filing Date:
September 25, 2020
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F01P7/16; F02B29/04
Attorney, Agent or Firm:
Aitec International Patent Office