Brakes – Elements – Brake wheels
Patent
1994-04-15
1995-07-04
Ballato, Josie A.
Brakes
Elements
Brake wheels
188264A, 188 716, F16D 5502
Patent
active
054292140
ABSTRACT:
A ventilated brake disc for rail vehicles of a divided or undivided design is provided. The brake disc comprises a brake ring with ribs connected to the hub. Projections for fastening the brake ring to the hub are connected to selected ribs having recesses. In another design the brake ring, within its neutral range, is provided with projections arranged opposite one another at a dividing groove, each projection having a respective tangential bore for receiving a screw for fastening the sections of the divided brake ring, whereby a portion of the ribs in the area of the projections extends radially inwardly and radially outwardly from the projections. In another design first projections have respective first tangential bores aligned with one another for receiving a first screw are positioned opposite one another at a dividing groove of the brake ring in the vicinity of its inner circumference. Second projections have second tangential bores aligned with one another for receiving a second screw and are positioned opposite one another at the dividing groove of the brake ring in the vicinity of its outer circumference, whereby a portion of the ribs in the area of the first and second projections extends in a radial direction between the first and second projection to a maximum possible length. With these designs an improvement of the cooling air flow is achieved due to the generation of a transverse flow.
REFERENCES:
patent: 2800982 (1957-07-01), Cottrell
patent: 3809192 (1974-05-01), Stehle
patent: 4083435 (1978-04-01), Gallus et al.
patent: 4638891 (1987-01-01), Wirth
patent: 4853574 (1989-08-01), Estaque
patent: 5004078 (1991-04-01), Oono et al.
Gronemann Manfred
Lehmann Wolfgang
Rocholl Hans
Schneider Jurgen
Wiebelhaus Wolfgang
Ballato Josie A.
Bergische Stahl-Industrie
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