CONTROLLER FOR DIESEL ENGINE

WIPO Patent Application WO/2011/135674

A1

Disclosed is an electronic controller for a diesel engine that includes a supply pump (2) for supplying fuel under pressure to a common rail (3) provided on a fuel supply line, the supply pressure level of the supply pump (2) being controllable, and a pressure reducing valve (7) for reducing the pressure of fuel in the common rail (3) (the rail pressure). The controller (10) automatically stops the engine when predetermined automatic stop conditions are satisfied during idling of the engine as well as restarts the engine when predetermined restart conditions are satisfied while the engine is at an automatic standstill. Furthermore, the controller (10) controls the supply pressure level of the supply pump (2) so as to make the rail pressure higher for the engine at an automatic standstill than a target value (PRidle) of the rail pressure during idling. The controller (10) also holds the pressure reducing valve (7) closed while the engine is at an automatic standstill and as well provides control to the degree of opening of the pressure reducing valve (7) so that when the engine is restarted, the rail pressure is at a target pressure (target rail pressure at restart) that is required for a restart.

WO/2017/195628	ENGINE CONTROL DEVICE
JP2004068858	CLUTCH CONTROLLER FOR AUTOMATIC TRANSMISSION
JP3294569	DEVICE AND SYSTEM FOR STOPPING IDLING OF AUTOMOBILE ENGINE

ENOMOTO HIROSHI (JP)

PCT/JP2010/057475

November 03, 2011

April 27, 2010

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TOYOTA MOTOR CO LTD (JP)
ENOMOTO HIROSHI (JP)

F02D17/00; F02D29/02; F02D41/06

JP2010025088A	2010-02-04
JPH1150881A	1999-02-23
JP2004190628A	2004-07-08
JP2009250192A	2009-10-29
JP2006348908A	2006-12-28
JP2010024848A	2010-02-04

ONDA, Hironori et al. (JP)
Hironori Onda (JP)

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