Diesel engine fuel injection device

Details Diesel engine fuel injection device Diesel engine fuel injection device

1981-07-17

1984-01-17

Myhre, Charles J.

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

123446, F02M 4502

Patent

active

044258852

ABSTRACT:
A fuel supply control device is disclosed wherein, as pressure of fuel from a fuel injection pump increases, a piston responsive to fuel pressure temporarily reduces or shuts off initial flow of fuel from the pump to a fuel injector through a series of fuel passageways. A second piston may be provided in a passageway to control movement of the first piston such that when the engine operates under relatively low loads at low speed, the second piston causes the first piston to restrict fuel flow. When the engine operates at relatively high speeds and high loads, the second piston cooperates with the first piston to feed fuel to the injector at high pressure.

REFERENCES:
patent: 2173813 (1939-09-01), Bischof
patent: 3392715 (1968-07-01), Thoma
patent: 3394891 (1968-07-01), Voit
patent: 3627208 (1971-12-01), Scott et al.
patent: 3752137 (1973-08-01), Kimberley
patent: 4201160 (1980-05-01), Fenne
patent: 4259040 (1981-03-01), Scheying
patent: 4289098 (1981-09-01), Norberg et al.
patent: 4333434 (1982-06-01), Brunais et al.

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