Fuel metering and pressure regulation device for a manifold of a

Details Fuel metering and pressure regulation device for a manifold of a Fuel metering and pressure regulation device for a manifold of a

1986-09-29

1988-07-12

Hart, Douglas

Internal-combustion engines

Charge forming device

Fuel injection system

123463, F02M 3704

Patent

active

047562889

ABSTRACT:
The device comprises an electromagnetically operated fuel atomisation and metering valve housed in a seat in a body of the device, and a pressure regulator for regulating the pressure of the fuel in a region upstream of the valve; this regulator includes a deformable diaphragm connected to a shutter member operable to control a fuel passage opening between the said upstream region and a discharge; the body of the device includes a support plate for the deformable diaphragm, which is made integrally with the body itself, and the diaphragm is fixed to this latter by means of a bell-shape element defining a chamber closed by the diaphragm and in hydraulic communication with a region downstream of the valve.

REFERENCES:
patent: 4357921 (1982-11-01), Ciaccio
patent: 4458650 (1984-07-01), Kessler

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