Boots – shoes – and leggings
Patent
1981-10-15
1984-08-14
Dobeck, B.
Boots, shoes, and leggings
303 95, 303 96, 303111, B60T 802
Patent
active
044660669
ABSTRACT:
An anti-locking brake force regulating device for rail vehicles has a digital evaluation circuit which monitors the speed, acceleration and slip of at least one braked wheel and transmits braking instructions to a brake actuating element. The instructions include a rapid or slow increase or decrease of brake pressure or maintaining the brake pressure constant. In order to achieve a smooth control during a braking operation, the evaluation circuit is such that after instructing a rapid change of brake pressure in response to exceeding a predetermined threshold value a slow change of brake pressure in the same direction as the rapid change is instructed if the threshold value is again exceeded and the slow pressure change begins by a maintaining brake pressure constant phase. The slow or pulsed brake pressure change is preferably maintained for a fixed predetermined period of time.
REFERENCES:
patent: 3930688 (1976-01-01), Rau et al.
patent: 3934125 (1976-01-01), Macamo
Beckmann Heinrich
Ottersbach Jens
Saumweber Eckart
Bergmann Saul M.
Dobeck B.
Jaskiewicz Edmund M.
Knorr-Bremse GmbH
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