Tricycle with electric motor

Details Tricycle with electric motor Tricycle with electric motor

1999-05-07

2000-08-15

Masih, Karen

Electricity: motive power systems

Braking

318 9, 318 12, 318 14, 318 15, 280255, H02K 710

Patent

active

061041548

ABSTRACT:
A tricycle with an electric motor in which two rear wheels 4 and 4 are driven by not only an electric motor 5, but also pedals 6 with manpower. A rotational force of the pedals 6 is transmitted to drive shaft 9 via first bevel gears 8a and 8b and then transmitted to a one-way clutch 7 via second bevel gears 10a and 10b from the drive shaft 9. The output of the one-way clutch 7 is then transmitted to the two rear wheels 4 and 4. The electric current to the electric motor is a pulse current and its pulse width is controlled to be shorted in relation to a braking operation.

REFERENCES:
patent: 4708356 (1987-11-01), Yamagiwa et al.
patent: 5222572 (1993-06-01), Yamagiwa et al.
patent: 5937964 (1999-08-01), Mayer et al.

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