Low drag failsafe brake

Details Low drag failsafe brake Low drag failsafe brake

2011-03-22

2011-03-22

King, Bradley T (Department: 3657)

Brakes

Elements

Cooling and lubricating

C188S071500, C188S2640CC

Reexamination Certificate

active

07909147

ABSTRACT:
A brake adapted to be rotationally coupled with a shaft and in communication with a fluid source and a negative pressure source, the brake including a housing defining a chamber therein. A disc assembly is positioned within the chamber and includes a plurality of stationary discs carried by the housing and a plurality of rotating discs carried by the shaft. The rotatable discs and stationary discs are positioned for engagement. A piston is movable to cause the stationary discs to engage the rotatable discs. A first fluid input is in communication with the fluid source, providing a constant supply of fluid to the chamber. A second fluid input is in communication with the fluid source, providing fluid when the stationary and rotating discs are caused to engage.

REFERENCES:
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patent: 5190123 (1993-03-01), Hvolka
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patent: 5469943 (1995-11-01), Hill et al.
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patent: 6244407 (2001-06-01), Kremer et al.
patent: 6371255 (2002-04-01), LeBegue
patent: 2002/0108826 (2002-08-01), Miller et al.

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