Variable pressure pitot pump
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United States of America Patent
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-
Nov 16, 1993
Grant Date -
N/A
app pub date -
Oct 30, 1990
filing date -
Oct 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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).
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