Motor vehicles – With fluid or mechanical means to accumulate energy to power...
Patent
1981-04-24
1983-06-21
Peters, Jr., Joseph F.
Motor vehicles
With fluid or mechanical means to accumulate energy to power...
60718, 74572, 123 2, 180 65E, 310 74, 318139, 322 4, B60K 904
Patent
active
043889778
ABSTRACT:
An electric drive mechanism for vehicles, especially buses with overhead trolley routes, which routes are provided with relatively short interruptions in the overhead trolley. The drive mechanism includes a flywheel two externally excited electric motors which are adapted to be switched over from prime mover operation to generator operation, and which motors are effective as a Ward-Leonard drive during flywheel operation. The first electric motor is constructed for half of a maximum drive power and the second electric motor is likewise constructed for half or for .sqroot.2/2 times the maximum drive power. Both electric motors are connected electrically in parallel during operation from the main electrical supply. The first and second motors are electrically connected in parallel during operation of the vehicle from the main electrical supply when a change-speed transmission is provided for connecting a drive shaft of one of the motors with driven vehicle wheels. A planetary gear transmission and a further transmission are provided for mechanically connecting the drive shaft of one of the motors with the second motor and with the flywheel.
REFERENCES:
patent: 3477013 (1969-11-01), Smith
patent: 4010407 (1977-03-01), Lombard
patent: 4270622 (1981-06-01), Travis
patent: 4313351 (1982-02-01), Hagin
patent: 4335429 (1982-06-01), Kawakatsu
"Energy Storage Propulsion System for Rapid Transit Cars", Report No. UMTA-NY 06-0006-75-1.
Electric Machinery, A. E. Fitzgerald, McGraw-Hill, 1952, pp. 286-287.
Daimler-Benz Aktiengesellschaft
Mar Michael
Peters Jr. Joseph F.
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