Fluid-pressure and analogous brake systems – Inertia control
Patent
1975-07-28
1976-06-01
Reger, Duane A.
Fluid-pressure and analogous brake systems
Inertia control
188195, B60T 820
Patent
active
039604110
ABSTRACT:
A compensating air reservoir for changing the braking force of the brakes of a car, such as a railway car intended to transport particulate material, is connected to the air line which supplies air to the brake cylinder and piston assembly of the car. The air reservoir has a movable wall forming a portion of the car wall and directly engageable by said material. The movable wall controls a valve on a wall of the reservoir so that when the car is empty, the valve is open permitting air to flow into the reservoir, thereby reducing the braking force, and so that when the car is loaded, the valve is closed, thereby permitting maximum braking force. The maximum pressure in the reservoir is limited by a limiting valve, and in modified embodiments, the valve which controls the admission of air to the reservoir does not open until the braking air pressure reaches a predetermined level. Two or more reservoirs are used to provide more than two braking force levels.
REFERENCES:
patent: 2075321 (1937-03-01), Wine
patent: 2184551 (1939-12-01), Hewitt
patent: 3891280 (1975-06-01), Severinsson et al.
Ellcon-National, Inc.
Reger Duane A.
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