Adjustable spacer

Details Adjustable spacer Adjustable spacer

1988-12-21

1990-05-15

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415162, 415166, 415189, 411 5, 411183, 411383, F04D 2960

Patent

active

049253646

ABSTRACT:
An adjustable spacer (20) is located in a unison ring (16) disposed about a gas turbine engine case (18). The spacer (20) includes a pad bolt (44) having a flattened surface (52) for contacting the case (18). The pad bolt (44) is adjusted radially by a threaded cylinder (28) and adjusting nut (36). The assembly is locked in place by a locknut (54) which includes a frangible link (72) for separating a headed portion (70) from a threaded portion (68).

REFERENCES:
patent: 2858104 (1958-10-01), Kelk et al.
patent: 3444775 (1969-05-01), Hills
patent: 3458118 (1969-07-01), Burge et al.
patent: 3487992 (1970-01-01), Pineda
patent: 3512447 (1970-05-01), Vaughn
patent: 3685920 (1972-08-01), Burge
patent: 3779665 (1973-12-01), Tatem, Jr. et al.
patent: 4373859 (1983-02-01), Thebert
patent: 4400135 (1983-08-01), Thebert
patent: 4558986 (1985-12-01), Faltys
patent: 4604030 (1986-08-01), Naudet
patent: 4773821 (1988-09-01), Gonthier et al.
patent: 4812106 (1989-03-01), Prugavie
patent: 4826399 (1989-05-01), Perez

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