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Title:
CLUTCH ENGAGEMENT ELECTRIC OIL PUMP FOR AUTOMOBILE TRANSMISSION, CLUTCH ENGAGEMENT ELECTRIC OIL PUMP CONTROL METHOD FOR AUTOMOBILE TRANSMISSION, VEHICLE, AND CLUTCH ENGAGEMENT VEHICLE ELECTRIC OIL PUMP FOR AUTOMOBILE TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2020/250483
Kind Code:
A1
Abstract:
This clutch engagement electric oil pump for an automobile transmission is provided with: a temperature sensor that measures the temperature of oil supplied to an oil supply destination relating to clutch engagement for the automobile transmission; an oil pump driving motor; a current determination unit that, when the temperature is equal to or lower than a prescribed temperature at which the torque of the oil pump driving motor becomes smaller than the load of the oil pump driving motor, determines a current value to be outputted to the oil pump driving motor to be a prescribed current value defined so as to enable driving of the oil pump driving motor without stopping; and an oil pump that supplies oil to the oil supply destination by driving the oil pump driving motor on the basis of the determined current value.

Inventors:
ISHIJIMA MASAHIRO (JP)
FUEKI MASAHIRO (JP)
SHIBUYA SHINJI (JP)
TAN GUODONG (JP)
ISHIDA TAIKI (JP)
CHIMBE TOMOHIRO (JP)
Application Number:
JP2020/004531
Publication Date:
December 17, 2020
Filing Date:
February 06, 2020
Export Citation:
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Assignee:
MITSUBA CORP (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
F16H59/72; F16H61/02; H02P27/08; H02P29/40
Foreign References:
JP2013068234A2013-04-18
JP2013068267A2013-04-18
JP2005110345A2005-04-21
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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