Internal-combustion engines – Charge forming device – With fuel pump
Patent
1986-09-10
1987-05-26
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
With fuel pump
123506, 417462, F02M 5912, F02M 5920
Patent
active
046676414
ABSTRACT:
A rotary fuel injection pump (10) having a rotating spill control valve (37) mounted transversely in the rotor (16), adjacent the charge pump (39). The valve is centered on the longitudinal axis of the rotor and connected to the center of the pumping chamber by a short pump passage (43). Pressurized fuel from the pumping chamber is forced through the pump passage and a transverse bore (170) in the center of the spill valve, into an outlet passage (46) for delivery to the outlet nozzle. The forces on the valve are balanced during this injection event. Inlet fuel enters the valve bore and passes through the spill valve through another transverse bore (171), which is fluidly connected to the pump passage. A simplified spill pressure regulating valve (139, 141) and a dual piston cam ring timing adjustment arrangement (326, 328) are also disclosed.
REFERENCES:
patent: 3759239 (1973-09-01), Regneault et al.
patent: 3857374 (1974-12-01), Glikin et al.
patent: 4366796 (1983-01-01), Kaibara et al.
patent: 4550702 (1985-11-01), Djordjevic
patent: 4552117 (1985-11-01), Djordjevic
patent: 4573444 (1986-03-01), Howes
Argenbright Tony M.
Stanadyne Inc.
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