Unison ring mounting arrangement

Details Unison ring mounting arrangement Unison ring mounting arrangement

1988-05-06

1989-05-02

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415148, 415159, F01D 1716

Patent

active

048263990

ABSTRACT:
A support arrangement for a unison ring in a system for varying the angles of attack of compressor vanes in an axial flow gas turbine engine compressor. The support arrangement includes a plurality of struts which provide radial support for the unison ring on the compressor case and a corresponding plurality of eccentric washers disposed between platforms on the struts and an overhanging flange on the unison ring. When the washers are rotated, the positions of the struts are adjusted radially and when the washers and struts are clamped to the unison ring, forces are reacted between the struts and the unison rings through the washers.

REFERENCES:
patent: 2933234 (1960-04-01), Neumann
patent: 2936108 (1960-05-01), Balcom et al.
patent: 3074689 (1963-01-01), Chapman
patent: 3089679 (1963-05-01), Henny
patent: 3736070 (1973-05-01), Moskowitz et al.
patent: 3841788 (1974-10-01), Sljusarev et al.
patent: 4430043 (1984-02-01), Knight et al.
patent: 4773821 (1988-09-01), Gonthier et al.

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