Bicycle with electric motor

Details Bicycle with electric motor Bicycle with electric motor

1993-03-05

1994-12-27

Hill, Mitchell J.

Motor vehicles

Special wheel base

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

180207, 180220, 180 652, 180 658, B62M 2302

Patent

active

053756762

ABSTRACT:
Art electrically assisted bicycle wherein electric assist is provided is proportion to the manual force for pedalling the bicycle. The device includes an arrangement for maintaining the speed of the electric motor at the same speed as the bicycle even when no force is applied to the pedal even though the bicycle is in motion so as to reduce the time delay and power losses when power assist is required.

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patent: 4364448 (1982-12-01), Ikuma
patent: 4422515 (1983-12-01), Loveless
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patent: 4871042 (1989-10-01), Hsu et al.
patent: 4923028 (1990-05-01), Yamashita et al.
patent: 5024113 (1991-06-01), Ito et al.
patent: 5024286 (1991-06-01), Lean et al.
patent: 5078227 (1992-01-01), Becker
European Search Report dated Jun. 15, 1993, Patent Abs. of Japan, vol. 14, No. 113(M-944) 2 Mar. 1990 & JP-A-13 14 685 (Japan II M KK) 19 Dec. 1989.
Patent Abs of Japan, vol. 14, No. 262(M-981) (4205 6 Jun. 1990 & JP-A-20 74 491 (Matsushita Electric Works Ltd) 14 Mar. 1990.

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