Mismatch proof variable stator vane

Details Mismatch proof variable stator vane Mismatch proof variable stator vane

1998-08-13

2000-02-01

Ryznic, John E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415148, F01B 2502, F03B 104

Patent

active

060195746

ABSTRACT:
A variable stator vane includes an airfoil having a threaded stem, a lever having a mounting hole receiving the stem, and a nut threadingly engaging the stem to retain the lever on the airfoil. A clearance is provided between the seat and lever during alignment therebetween to provide sufficient thread overlap between the nut and stem to permit engagement therebetween, with insufficient thread overlap being provided during misalignment to prevent threaded engagement therebetween.

REFERENCES:
patent: 4214852 (1980-07-01), Tuley et al.
patent: 4514141 (1985-04-01), Marey
patent: 4585390 (1986-04-01), Pirtle et al.
patent: 5061152 (1991-10-01), Marey
patent: 5492446 (1996-02-01), Hawkins et al.
patent: 5636968 (1997-06-01), Audet et al.
patent: 5795128 (1998-08-01), Eichstadt

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