Variable pressure pitot pump

Details Variable pressure pitot pump Variable pressure pitot pump

1990-10-30

1993-11-16

Kwon, John T.

Rotary kinetic fluid motors or pumps

Pump having rotating inlet end or scoop immersed in liquid

415 89, 417 15, 188161, 188267, F04D 114

Patent

active

052617840

ABSTRACT:
A pump (P) including a stationary pump housing (1) and a rotating pump housing (10, 10a) mounted on the stationary pump housing (1) and defining a fluid receiving chamber (11). A pitot probe (5) freely rotatably mounted in the stationary pump housing (1) and terminating in a tip portion (5a) disposed in the fluid receiving chamber (11). A brake arrangement (20, 21) is provided for braking a rotational speed of the probe (5) so as to enable a controlling of the rotational speed of the probe (5) independent of the rotational speed of the rotating pump housing (10, 10a) thereby producing variable pump pressures and fluid flow rates for the pump (P).

REFERENCES:
patent: 2440624 (1948-04-01), Wemp
patent: 3512618 (1970-05-01), Schafer
patent: 3791757 (1974-02-01), Tarifa et al.
patent: 3930744 (1976-01-01), Theis, Jr.
patent: 4110670 (1978-08-01), Araki et al.
patent: 4267964 (1981-05-01), Williams
patent: 4281962 (1981-08-01), Erickson
patent: 4339923 (1982-07-01), Hays et al.
patent: 4776167 (1988-10-01), Kawamura
patent: 4788463 (1988-11-01), Layh
patent: 5135353 (1992-08-01), Westhoff

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