Title:
FAILURE DETERMINATION DEVICE FOR TRANSAXLE OIL TEMPERATURE SENSOR
Document Type and Number:
WIPO Patent Application WO/2024/062556
Kind Code:
A1
Abstract:
A failure determination device for a T/A oil temperature sensor 30 that detects the oil temperature of a transaxle 7 of a vehicle 1 includes, in the vehicle 1, a GEN oil temperature sensor 32 that detects a cooling oil temperature of a motor generator 10, and also includes, in a hybrid control unit 18, a failure determination unit 31 that determines a failure of the T/A oil temperature sensor 30 and a sitting time measurement unit 33 that measures the sitting time of the vehicle 1. The failure determination unit 31 inputs the oil temperature of the transaxle 7 and the oil temperature of a motor generator 10 when the vehicle 1 is started after sitting for not less than a first predetermined time, and when the difference between the oil temperature of the transaxle 7 and the oil temperature of the motor generator 10 is equal to or larger than a predetermined value when the GEN oil temperature sensor 32 is normal, it is determined that the T/A oil temperature sensor 30 is malfunctioning.
Inventors:
OGASAWARA RYO (JP)
SATO HIDENOBU (JP)
MIURA TOHRU (JP)
SATO HIDENOBU (JP)
MIURA TOHRU (JP)
Application Number:
PCT/JP2022/035180
Publication Date:
March 28, 2024
Filing Date:
September 21, 2022
Export Citation:
Assignee:
MITSUBISHI MOTORS CORP (JP)
International Classes:
F16N29/00; F16H61/12
Foreign References:
| JP2013019484A | 2013-01-31 | |||
| JP2010116994A | 2010-05-27 | |||
| JPH0965501A | 1997-03-07 | |||
| JP2007056815A | 2007-03-08 |
Attorney, Agent or Firm:
AIHARA & PARTNERS PATENT ATTORNEY CORPORATION (JP)
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