Fuel injection systems

Details Fuel injection systems Fuel injection systems

1976-03-04

1977-04-26

Nilson, Robert G.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 5100

Patent

active

040194817

ABSTRACT:
A fuel injection system includes a piston movable within a bore to displace fuel through a fuel outlet. Fluid under pressure can be admitted to the other end of the bore by way of a valve means to effect movement of the piston to displace fuel and when the valve means is closed a further valve means can be opened to permit the piston to move in the opposite direction. The valve means and the further valve means are actuated by a control pressure generated by a stack of piezo-electric crystals. The valve means 23 includes a plurality of pressure balanced pistons and when the stack of crystals is de-energised the valve means is in the closed position.

REFERENCES:
patent: 3587547 (1971-06-01), Hussey
patent: 3961612 (1976-06-01), Okamoto

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