DME FUEL SUPPLY DEVICE OF DIESEL ENGINE

Japanese Patent JP3932190

B2

PROBLEM TO BE SOLVED: To shorten the time required for recovering DME (dimethyl ether) fuel in an injection system to a fuel tank after stopping a diesel engine in a DME fuel supply device of the diesel engine.
SOLUTION: A low pressure tank 17 reduces in internal pressure by being sucked by a compressor 16. The inside of the low pressure tank 17 is put in a constant low pressure state by maintaining the oil separator 13 side under constant pressure by a check valve 14. A purge pipe opening-closing solenoid valve 18 is turned on when stopping the diesel engine in a state of maintaining the inside of the low pressure tank 17 in a constant low pressure state, and when communicating the low pressure tank 17 with an overflow fuel pipe 81, a part of the DME fuel remaining in the overflow fuel pipe 81 is sucked in the low pressure tank 17 by negative pressure in the low pressure tank 17.

JPS5910772	OUTPUT CONTROLLER OF INTERNAL-COMBUSTION ENGINE
JP3773886	IDLING STOP CONTROL METHOD, IDLING STOP CONTROL DEVICE AND IDLING STOP CONTROL PROGRAM
WO/2004/059158	LIQUEFIED GAS-DELIVERING DEVICE FOR DIESEL ENGINE

Shinya Nozaki
Noda Shunju
Ushiyama
Teruaki Ishikawa
Yukihiro Hayasaka

JP2003019256A

June 20, 2007

January 28, 2003

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ROBERT BOSCH GMBH

F02M21/08; F02M37/00; F02D19/02; F02M47/02; F02M53/00; F02M55/00; F02M55/02; (IPC1-7): F02M37/00; F02D19/02; F02M21/08; F02M47/02; F02M53/00; F02M55/00; F02M55/02

Hiroki Ishii

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