Title:
VEHICULAR COOLING APPARATUS
Document Type and Number:
Japanese Patent JP2020082804
Kind Code:
A
Abstract:
To control the rotation speed of a rotary pump by actively using an operating range with a better operation efficiency in a vehicular cooling apparatus.SOLUTION: A controller of a vehicular cooling apparatus performs: controlling a rotation speed of the rotary pump and an open-close state of a grille shutter in accordance with a coolant temperature in a case where the coolant temperature is within a given range; maintaining the grill shutter closed in a case where a coolant temperature is lower than a lower limit of the given range; maintaining the grille shutter open and controlling a rotation speed of the rotary pump in accordance with a coolant temperature in a case where the coolant temperature is higher than an upper limit of the given range, with a required load required by a vehicular driver being equal to or lower than a given value; and maintaining the grille shutter open and controlling a rotation speed of the rotary pump at a rotation speed higher than a speed for the case of controlling in accordance with the coolant temperature, in a case where the coolant temperature is higher than the upper limit of the given range, with a required load required by the vehicle driver exceeding the given value.SELECTED DRAWING: Figure 2
More Like This:
| JP2020104805 | VEHICLE FRONT PART STRUCTURE |
| WO/2011/077782 | COOLING SYSTEM FOR ELECTRIC VEHICLE |
Inventors:
TOMODA SHINICHIRO
Application Number:
JP2018215760A
Publication Date:
June 04, 2020
Filing Date:
November 16, 2018
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60K11/04; B60K11/08; F01P3/12; F01P5/10; F01P7/16; H01L23/473
Attorney, Agent or Firm:
Kaiyu International Patent Office