Fuel injection pump

Details Fuel injection pump Fuel injection pump

1994-10-24

1995-11-07

Gluck, Richard E.

Pumps

Expansible chamber type

Pumping member position controlled port

F04B 704

Patent

active

054643341

ABSTRACT:
A fuel injection pump has a cam actuated plunger which is moved inwardly in a bore to displace fuel through an outlet. A port is formed in the wall of the bore and at some position during the inward movement of the plunger is uncovered by a control edge to allow fuel to escape from the bore. In order to damp the final inward movement of the plunger a further edge of the groove progressively covers the port so as to restrict the rate at which fuel can escape through the port.

REFERENCES:
patent: 2438251 (1948-03-01), Pedersen
patent: 4957418 (1990-09-01), Pischingen et al.
patent: 5032066 (1991-07-01), Baty

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