Fuel injection pumping apparatus

Pumps – Successive stages – With interstage discharge or additional discharge from...

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123139AQ, 417221, F04B 300

Patent

active

040801098

ABSTRACT:
A fuel injection pumping apparatus includes an injection pump to which fuel is supplied from a feed pump under the control of throttle means. A component of the injection pump is adjustable by the application of fluid pressure to a piston. The fluid pressure is derived by way of a fixed orifice the downstream of which is connected to a cylinder containing the piston, the downstream side of the orifice being connected to a drain by way of a second fixed orifice and a variable orifice is provided which is adjustable with the throttle means and which determines the pressure applied to the piston.

REFERENCES:
patent: 2916029 (1959-12-01), Kemp
patent: 3439624 (1969-04-01), Glikin et al.
patent: 3552366 (1951-01-01), Kemp

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