Brakes – Operators – Electric
Patent
1990-07-09
1992-05-12
Oberleitner, Robert J.
Brakes
Operators
Electric
188153R, 303 7, 303 15, B60L 700, B60T 1300
Patent
active
051119161
ABSTRACT:
For engaging and disengaging a permanent-magnet slipper brake for a rail vehicle there are required relatively high forces which are generated either by a hydraulic motor or an electric motor. Therefore, in rail vehicles without external electric or external hydraulic connections and comprising a pneumatic brake line or brake-pressure lead, there is incorporated a pneumatically driven hydraulic power pump by means of which a hydraulic motor can be driven. This hydraulic motor is then capable of applying the forces required for engaging and disengaging the permanent-magnet slipper brake. The engaging and disengaging process is preferably controlled by a main air line.
REFERENCES:
patent: 3053349 (1962-09-01), Huntress et al.
patent: 3493086 (1970-02-01), Braun
patent: 3584709 (1971-06-01), Conway
patent: 3976333 (1976-08-01), Fillion et al.
patent: 4201277 (1980-06-01), Meier et al.
patent: 4307916 (1981-12-01), Straut et al.
patent: 4484666 (1984-11-01), Steinmetz et al.
patent: 4867279 (1989-09-01), Link et al.
Verkehr und Technik, No. 6, Jun. 1988, pp. 265/6 "Die Permanent-Magnetschienenbremse".
Koller Max
Muller Walter
Ballato Josie A.
Oberleitner Robert J.
Oerlikon-Knorr Eisenbahntechnik AG
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