Electric rail propulsion unit

Details Electric rail propulsion unit Electric rail propulsion unit

1981-08-05

1984-07-24

Reese, Randolph

Railway rolling stock

Motor placement

Axle mounting

105133, 105140, 280786, B61C 300, B61C 1700

Patent

active

044612184

ABSTRACT:
In a propulsion unit for the driven axles of an electrically-powered rail vehicle, the torque of an electric propulsion motor is transmitted to the respective driven axle by way of a torque transmitting mechanism including gears and couplings. A common housing in the form of a hollow beam is used to enclose the propulsion motor, a bearing system, and a transmission. Cut-outs are provided in the sides of the housing to allow space for the driven axles. In order to increase the flexural and torsional stiffness of the propulsion unit, the hollow beam includes an annular end surface through which the propulsion motor and torque transmitting apparatus are inserted. The hollow beam not only forms a common housing or the propulsion components, but is a very stiff support element that reduces vibration and improves the running behavior of the propulsion unit.

REFERENCES:
patent: 576492 (1897-02-01), Westinghouse
patent: 1446479 (1923-02-01), Nilson et al.
patent: 1560351 (1925-11-01), Seidel
patent: 2422824 (1947-06-01), Clauson et al.
patent: 3272136 (1966-09-01), Franzen
patent: 3731121 (1973-05-01), Cook et al.
patent: 4148262 (1979-04-01), Eichinger
patent: 4167278 (1979-09-01), Holmes

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