Thrust balancing

Details Thrust balancing Thrust balancing

1977-10-07

1979-07-03

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

In separate chamber having non-system fluid inlet

415107, 308160, F01D 300, F01D 304

Patent

active

041598881

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 by means of rotating oil trapped between the rotating piston and a nonrotating counter piston; depth of rotating oil is 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: 1721614 (1929-07-01), Carrier
patent: 2319913 (1943-05-01), Bentley
patent: 3468259 (1969-09-01), Morzynski et al.
patent: 3485541 (1969-12-01), Sandy
patent: 3491536 (1970-01-01), Hadaway
patent: 3505813 (1970-04-01), McCarthy

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