High pressure pump for fluid jet slitter

Details High pressure pump for fluid jet slitter High pressure pump for fluid jet slitter

1977-10-25

1980-12-16

Smith, Leonard E.

Rotary kinetic fluid motors or pumps

Centrifugal bowl pump

415 90, F04D 112

Patent

active

042394481

ABSTRACT:
A high-pressure liquid pump for small quantities of liquid such as water to be used in water cutting devices such as for continuously slitting a moving paper web with the pump having an outer annular shell driven in rotation and a pair of hydrodynamic shoes facing the shell with liquid delivery passages therethrough and the shell driven in rotation around the shoes and the shoes mounted on arms with hydraulic pressure members to force the shoes against the shell and control the output pressure of the pump.

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patent: 2426321 (1947-08-01), Montrose
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patent: 3123861 (1964-03-01), Westover
patent: 3218982 (1965-11-01), Wigton
patent: 3357361 (1967-12-01), Scott
patent: 3384023 (1968-05-01), King et al.
patent: 3446149 (1969-05-01), Amos et al.
patent: 3669561 (1972-06-01), Mott

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