Control mechanism for variably settable vanes of a flow straight

Details Control mechanism for variably settable vanes of a flow straight Control mechanism for variably settable vanes of a flow straight

1987-12-15

1988-09-27

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415160, F01D 1716, F04D 2956

Patent

active

047738219

ABSTRACT:
The connection between the actuating link of each variably settable vane of a compressor flow straightener in a turbine plant and the control ring for the vanes comprises a cylindrical roller rotatably mounted in a bore in the ring parallel to the axis of the compressor, the roller having a radial bore registering with a radial opening in the ring and housing the shaft of the link as a rotary and sliding fit. This arrangement prevents any torsional strain on the link during operation, and is found to be substantially simpler and more reliable than the known arrangements.

REFERENCES:
patent: 2606713 (1952-08-01), Bauger
patent: 2842305 (1958-07-01), Eckenfels et al.
patent: 2933234 (1960-04-01), Neumann
patent: 3695777 (1972-10-01), Westphal et al.
patent: 3841788 (1974-10-01), Sljusarev et al.
patent: 3954349 (1976-05-01), Abild
patent: 4035101 (1977-07-01), Glenn
patent: 4050844 (1977-09-01), Miller et al.

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