Anti-rotation lock

Details Anti-rotation lock Anti-rotation lock

2006-12-05

2006-12-05

Edgar, Richard A. (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

C415S209200, C415S209300

Reexamination Certificate

active

07144218

ABSTRACT:
An anti-rotation lock for preventing circumferential movement of a stator segment in relation to a split case to which it is mounted is disclosed. A racetrack shaped pocket, disposed within the case and proximate the stator segment, is suitably sized to receive a lug and a spring pin. The lug is received in the pocket and protrudes radially inward from the case and is engagable by the stator segment, thus preventing circumferential movement with respect to the case. The spring pin is received adjacent to the lug and compressively retains the lug in the pocket.

REFERENCES:
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patent: 2974928 (1961-03-01), Ridley
patent: 3104091 (1963-09-01), Vivian
patent: 4219286 (1980-08-01), Lindenthal
patent: 4632634 (1986-12-01), Vinciguerra et al.
patent: 5846050 (1998-12-01), Schilling
patent: 6296443 (2001-10-01), Newman
patent: 6537022 (2003-03-01), Housley et al.
patent: 6585479 (2003-07-01), Torrance
patent: 2003/0068225 (2003-04-01), Housley et al.
patent: 2003/0082051 (2003-05-01), Bertrand et al.

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