Toyota Jidosha Kabushiki Kaisha

Nippondenso Co., Ltd.

Naotaka Shirabe

Takahiro Kushibe

Yuichi Takano

Manabu Tateno

Eishi Ohno

A fuel supply device comprising a pressurized air passage, a nozzle opening formed at a tip end of the pressurized air passage to inject fuel and pressurized air, a valve for opening or closing the nozzle opening, a fuel injector for injecting fuel in the pressurized air passage, and a guide member arranged in the pressurized air passage between the nozzle opening and the fuel injector. The guide member has a least three contacting faces which are in contact with a cylindrical inner wall of the pressurized air passage, and at least three substantially flat faces each extending approximately in a straight line between the contacting faces which are located on each side of the flat face to form a narrow passage between the cylindrical inner wall of the pressurized air passage and the flat face.

Fuel supply device of an engine

A fuel supply device comprising a nozzle opening for injecting fuel and pressurized air. The opening operation of the nozzle opening is electromagnetically controlled by a needle. The nozzle of a fuel injector is arranged in a nozzle chamber. The nozzle chamber has an air inlet and an air outlet separately formed from and spaced from the air inlet. The air inlet is connected to a pressurized air source, and the air outlet is connected to the nozzle opening.

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Nagoya, Japan

Naotaka Shirabe