Dash pot arrangement for distribution-type fuel injection pump c

Details Dash pot arrangement for distribution-type fuel injection pump c Dash pot arrangement for distribution-type fuel injection pump c

1976-03-10

1977-09-27

Croyle, Carlton R.

Pumps

With condition responsive pumped fluid control

Variable cutoff or pumping member controlled port

417499, 123139AD, F04B 4900, F04B 704, F04B 3910

Patent

active

040508560

ABSTRACT:
In one form of the invention, a rotatable and axially slidable plunger mounted within a fixed cylindrical plunger barrel forms with the barrel the casing bore and a spring biased electromagnetically driven axially slidable cut off sleeve, a dash pot chamber including a narrow radial gap between the cut off barrel and the pump casing body. The high pressure cut-off fuel may be directed to the chamber. Alternatively, the cut-off fuel may be directed to impact a deflector to produce an axial force modulating axial shift of the sleeve.

REFERENCES:
patent: 2011166 (1935-08-01), Steiner
patent: 2499706 (1950-03-01), Ward
patent: 3058455 (1962-10-01), Hofer et al.
patent: 3403629 (1968-10-01), Eheim et al.
patent: 3777731 (1973-12-01), Kobayashi et al.
patent: 3779225 (1973-12-01), Watson et al.

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