Constant static pressure runner in an axial flow turbine

Details Constant static pressure runner in an axial flow turbine Constant static pressure runner in an axial flow turbine

1994-03-09

1995-06-20

Look, Edward K.

Rotary kinetic fluid motors or pumps

Runner has spirally arranged blade or fluid passage

415 72, 416176, F04D 302

Patent

active

054256178

ABSTRACT:
A rotor is provided wherein an rotor core and a jacket cooperate to provide a continuous variation of area left for fluid transit. This continuous variation of area left for fluid transit produces a continuous axial acceleration of fluid and provides a first pressure gradient. The invention also provides simultaneously for blades having a continuously varying angle provided in the area left for fluid transit and causing a second pressure gradient. The varying of the fluid transit area and the angle of the blade are designed to have the first and second pressure gradients to be complementary and maintain the pressure of the fluid substantially constant. Such a continuous varying angle of inclination of the blades provides a continuous angular acceleration of the fluid and corresponding torque. The blades of continuously varying angle of inclination rotate together with the rotor core producing the torque.

REFERENCES:
patent: 907591 (1908-12-01), Gilday
patent: 1065208 (1913-06-01), Brauer
patent: 1490955 (1924-04-01), Bell
patent: 1494614 (1924-05-01), McLean
patent: 1514293 (1925-11-01), Lawaczeck
patent: 2436246 (1948-02-01), Braga
patent: 2808225 (1957-10-01), Johnson
patent: 3198423 (1965-08-01), Clute
patent: 3692421 (1972-09-01), Dworski
patent: 4080096 (1978-03-01), Dawson
patent: 4146353 (1979-03-01), Carrouset
patent: 4880352 (1989-11-01), Aarestad

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