Thrust balancing

Details Thrust balancing Thrust balancing

1979-03-05

1981-05-19

Gilreath, Stanley N.

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

60 3931, 308160, F01D 304

Patent

active

042682207

ABSTRACT:
A gas turbine engine having variable geometry flow controllers therein for controlling mass flow in accordance with engine operation includes a rotor with a wide variation in thrust forces thereon during different phases of engine operation countered by a variable axial load integrating device having a rotating hydraulic thrust compensating piston mounted forwardly of the rotor in association with a rotor thrust bearing and further including means for generating a centrifugal head in accordance with engine speed and wherein improved oil distribution panels are included to evenly distribute oil between the rotating piston and a nonrotating counterpiston to form a uniform depth of rotating oil automatically regulated by an integral, flow regulator having flow area therethrough varied in accordance with axial position of a thrust bearing carriage that has the variable rotor thrust loading imposed thereon.

REFERENCES:
patent: 2779531 (1957-01-01), Wheatley
patent: 3468259 (1969-09-01), Morzynski et al.
patent: 3485541 (1969-12-01), Sandy, Jr.
patent: 3491536 (1970-01-01), Hadaway
patent: 3505813 (1970-04-01), McCarthy
patent: 3671137 (1972-06-01), Ball
patent: 3746461 (1973-07-01), Yokota et al.
patent: 4183713 (1980-01-01), Erickson et al.

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