Shut-off valve for an electromagnetic pump

Details Shut-off valve for an electromagnetic pump Shut-off valve for an electromagnetic pump

1987-08-13

1988-10-18

Croyle, Carlton R.

Pumps

Motor driven

Electric or magnetic motor

417441, 417552, F04B 1704

Patent

active

047783575

ABSTRACT:
In an electromagnetic pump, the inner end of an outlet pipe fixed in a pump housing extends for a predetermined length inside a sleeve housing a plunger to form a pump delivery pulsation absorption chamber around the outlet pipe. The inner end opening of this pipe is selectively closed by a control valve serving as a guide member for slidably guiding a valve body of a delivery valve along the axial direction. The fuel leakage prevention control valve and the pulsation absorption chamber are simply and optimally formed with a single construction.

REFERENCES:
patent: 2474349 (1949-06-01), Dickey et al.
patent: 4376618 (1983-03-01), Toyoda et al.

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