Vital pressure regulating system for railroad cars

Details Vital pressure regulating system for railroad cars Vital pressure regulating system for railroad cars

1988-08-15

1989-12-12

Kashnikow, Andres

Fluid-pressure and analogous brake systems

With pump

Pressure control

303 15, 303 20, 303DIG3, 318481, B60T 1318, B60T 1370

Patent

active

048863203

ABSTRACT:
A vital pressure regulating system is constructed using an alternating current system, and the absolute value of an output signal is inversely proportional to the air pressure in the main air reservoir and therefore if some critical circuit component fails, the output of a comparator circuit becomes a direct current signal in the same way as the case in which the air pressure in the main air reservoir is higher than the predetermined upper limit value so that the switch shuts off the air compressor to achieve fail-safe operation.

REFERENCES:
patent: 2536025 (1951-01-01), Blackburn
patent: 4518903 (1985-05-01), Matsumoto et al.
patent: 4524312 (1985-06-01), Matsumoto et al.

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