Fluid-pressure and analogous brake systems – Automatic – Synchronizing
Patent
1982-07-08
1984-11-06
Reger, Duane A.
Fluid-pressure and analogous brake systems
Automatic
Synchronizing
303 82, B60T 1704
Patent
active
044808755
ABSTRACT:
An accelerator for control valves, particularly for triple pressure control valves (3) of pneumatic brake systems of rail vehicles, having a pick-up accelerator (30) and a transfer chamber (40) as well as a service brake accelerator (52), the service brake accelerator (52) having a reference pressure chamber (55) which is connected to the transfer chamber (40) of the pick-up accelerator, the transfer chamber having a bleeder nozzle which is not open at all times. As a result, the service brake accelerator (52) is activated only during braking operations, while the reference pressure chamber (55) is protected from filling strokes, the volumes which are in continuous connection with the air main (1) are reduced, and the air consumption is lowered, especially during brake release operations. Service brake accelerators (52) of any desired construction may be used, especially, however, service brake accelerators which, during pressure reductions within the air main (1), draw off pulsating pressurized air from the latter.
REFERENCES:
patent: 4073544 (1978-02-01), Hart
patent: 4145090 (1979-03-01), Hart
patent: 4206949 (1980-06-01), Rathband et al.
Knorr-Bremse GmbH
Reger Duane A.
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