Fluid sprinkling – spraying – and diffusing – Unitary injection nozzle and pump or accumulator plunger – Plunger interconnected or mounted bypass
Patent
1982-09-30
1985-08-27
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Unitary injection nozzle and pump or accumulator plunger
Plunger interconnected or mounted bypass
123446, 239 91, 239 93, 239 95, F02M 4702
Patent
active
045373523
ABSTRACT:
A fuel injection apparatus for an internal combustion engine having engine cylinders includes a fuel tank, fuel supply pumps and fuel injection units. Each fuel injection unit comprises a cylinder, a plunger reciprocable in the cylinder by the engine, pump chamber defined between the cylinder and the plunger and receiving fuel from the fuel supply pump, an injection nozzle communicating with the pump chamber and a timing port formed in the cylinder. The fuel injection apparatus further includes a timing passage connecting the timing port with the fuel tank and a control valve. The control valve comprises a control chamber, a control valve body movable between the open and closed positions in the control chamber for controlling fuel injection, a spring urging the control valve body towards the closed position and a timing chamber formed adjacent the control chamber in the fuel injection unit for receiving fuel to move the control valve body towards the closed position. The fuel injection apparatus further includes a fuel control pump having as many output ports as the engine cylinders. The fuel control pump is operated by the engine to pump out fuel from the fuel supply pump to the timing chamber through the corresponding output port at timing and for a period determined by operational condition of the engine.
REFERENCES:
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patent: 4273090 (1981-06-01), Hofer et al.
patent: 4378774 (1983-04-01), Kato
patent: 4385609 (1983-05-01), Kato
patent: 4396151 (1983-08-01), Kato et al.
patent: 4407250 (1983-10-01), Eheim et al.
Akashi Tetsuji
Kato Masaaki
Kashnikow Andres
Nippondenso Co. Ltd.
Weldon Kevin Patrick
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