Piston pump

Details Piston pump Piston pump

1975-03-28

1976-09-28

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277106, F16J 1544, F16J 1518

Patent

active

039827658

ABSTRACT:
A piston pump for displacing a fluid comprises an adjustable stuffing box, at least one packing ring disposed adjacent to the stuffing box, the fluid exerting pressure on, and the stuffing box abutting against the packing ring, a stuffing box housing for holding the stuffing box, a plunger disposed within the stuffing box and in contact with the packing ring, a throttle ring, a compression spring coaxial with the plunger and disposed between the stuffing box and the throttle ring, the stuffing box engaging the throttle ring telescopically, a clearance remaining therebetween, and a limit stop for making contact with the throttle ring disposed on the stuffing box housing.

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