Vane coupling

Details Vane coupling Vane coupling

2006-04-03

2010-06-29

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

C415S115000, C415S116000, C415S136000, C403S336000, C403S337000, C403S338000, C285S328000, C285S376000, C285S401000, C285S913000

Reexamination Certificate

active

07744344

ABSTRACT:
Vanes are generally hollow with a passage through which service pipes extend. These service pipes must be connected such that they can allow for thermal expansion and contraction but also anti rotation features are needed in order to prevent damage when a supply coupling is connected through a pipe end. This anti-rotation feature is generally provided between a top hat and a pipe end through flanges. In order to allow reduced spacing between the top of the vane and a casing the flanges are arranged to allow at least recessing of a first flange into a passage opening profile whereby those flanges inter-engage with second flanges at a surface interface to prevent rotation.

REFERENCES:
patent: 2195492 (1940-04-01), McDonald
patent: 3544138 (1970-12-01), von Eiff
patent: 3623753 (1971-11-01), Henry
patent: 3741680 (1973-06-01), Killmann et al.
patent: 3829816 (1974-08-01), Barry et al.
patent: 4245951 (1981-01-01), Minnich
patent: 5127293 (1992-07-01), Chatham
patent: 6439616 (2002-08-01), Karafillis
patent: 2004092398 AB (2004-03-01), None

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