Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1975-11-17
1977-09-20
Kunin, Stephen G.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
188 3R, 303 15, 303 47, 303 63, 303DIG2, B60T 1316
Patent
active
040493245
ABSTRACT:
There is provided a brake system for a vehicle train which includes a tractor and a trailer, a source of high pressure air connected through an air control line to a pneumatic brake with the air control line in the tractor being connected to a fast-acting pressure switch which is activated by a higher pressure and a slow-acting pressure switch which is activated by a lower pressure, and with the fast-acting pressure switch operatively connected to open a valve to supply high pressure air directly to the trailer brake, and with said low pressure switch operatively connected to open the circuit which includes the fast-acting pressure switch.
REFERENCES:
patent: 3726307 (1973-04-01), Carman et al.
patent: 3747992 (1973-07-01), Schnipke
patent: 3819238 (1974-06-01), Cermak
patent: 3880472 (1975-04-01), Lewis et al.
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