Control for electric power assisted vehicle

Details Control for electric power assisted vehicle Control for electric power assisted vehicle

1997-02-05

1999-07-20

Oberleitner, Robert J.

Motor vehicles

Special wheel base

Rider propulsion with additional source of power, e.g.,...

B63K 1100

Patent

active

059245115

ABSTRACT:
A power assisted manually operated vehicle wherein the power assist is capable of providing different power and speed curves depending upon the operating condition. The operator may also select one of these conditions for manual operation such as to obtain an assist when pushing the vehicle. The variable speed and power curves are obtained with a permanent magnet electric motor with the variations being obtained by varying the field strength of the permanent magnet through an augmenting coil.

REFERENCES:
patent: 3820000 (1974-06-01), Smith
patent: 3855511 (1974-12-01), Smith
patent: 3867679 (1975-02-01), Smith
patent: 3921745 (1975-11-01), McCulloch
patent: 5226501 (1993-07-01), Takata
patent: 5474148 (1995-12-01), Takata

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