OIL PRESSURE CONTROL DEVICE - ISUZU MOTORS LTD

Title:

OIL PRESSURE CONTROL DEVICE

Document Type and Number:

WIPO Patent Application WO/2018/097151

Kind Code:

A1

Abstract:

This oil pressure control device is provided with: an oil cooler which cools engine oil circulating through a hydraulic circuit of an engine; a bypass oil passage which bypasses the oil cooler; an oil cooler bypass valve by means of which an engine oil flow passage is switched between the oil cooler and the bypass oil passage; an oil pressure sensor which measures a first oil pressure, which is the oil pressure of engine oil; and a valve control unit which controls opening and closing of the oil cooler bypass valve to reduce the magnitude of a difference between the first oil pressure and a second oil pressure, which is a target oil pressure determined on the basis of the rotational speed of the engine and a fuel injection quantity.

Inventors:

MURATA YUUICHI (JP)
SUZUKI KEN (JP)
HASHIMOTO KOUJI (JP)

Application Number:

PCT/JP2017/041915

Publication Date:

May 31, 2018

Filing Date:

November 22, 2017

Export Citation:

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Assignee:

ISUZU MOTORS LTD (JP)

International Classes:

F01M5/00; F01M1/16; F01M1/20

Domestic Patent References:

WO2014073444A1

2014-05-15

Foreign References:

JPH10288022A	1998-10-27
JP2014015898A	2014-01-30
JP2010216411A	2010-09-30
JPS5928613A	1984-02-15
JP2016229138A	2016-11-25

Other References: