Rotary shaft speed limiting arrangement

Details Rotary shaft speed limiting arrangement Rotary shaft speed limiting arrangement

1984-03-27

1986-03-11

Reger, Duane A.

Brakes

Operators

Speed-responsive

188170, 92 17, B60T 1304

Patent

active

045749248

ABSTRACT:
A fluid controlled rotary shaft speed limiting arrangement has a brake disk secured to the shaft for rotational movement therewith. A braking arrangement exerts a braking force on the brake disk according to the amount of fluid pressure present in a brake piston chamber. The flow of pressurized fluid into and the flow of pressurized fluid out of the brake piston chamber is controlled by a valve arrangement, a portion of which is formed on the brake disk. The portion of the valve arrangement formed on the brake disk effects a change in the flow of pressurized fluid through the brake piston chamber if the rotational velocity of the shaft and brake disk varies from a preselected value. Such variation in the rotational velocity corresponds to such change in pressurized fluid flow such that, a proportional braking force is exerted on the brake disk.

REFERENCES:
patent: 1439827 (1922-12-01), Lockwood
patent: 2843228 (1958-07-01), Wysor
patent: 3979999 (1976-09-01), Emenaker
patent: 4424887 (1984-01-01), Sommer

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