Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-05-15
1999-04-20
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
310 67A, H02K 712, B62J 610, B62J 612
Patent
active
058959912
ABSTRACT:
An electric generator assembly for supplying power to electrical devices on a bicycle. The electrical generator assembly includes a gearwheel fixedly secured and rotatively coupled to a bicycle wheel proximate a hub axis of the bicycle wheel, a rotor housing, an annular stator disposed within the rotor housing, and a rotor disposed concentrically within the annular stator. The electric generator assembly further includes an arm extending from the rotor housing and configured for detachable attachment with a portion of the bicycle frame proximate the hub axis of the bicycle wheel. The rotor is driven by a rotor-driving gear disposed outside the rotor housing. The rotor-driving gear is configured to mesh with an output gear of a gear train for transmitting power from the bicycle wheel. An input pinion, configured to mesh with the gearwheel, is rotatively coupled to the input gear of the gear train. A gearbox, dimensioned to house at least the gear train and the rotor-driving gear, includes a pivot bearing for hingedly connecting the gearbox to the rotor housing, so that the input pinion can be selectively engaged with the gearwheel mounted to the bicycle wheel by selectively pivoting the gearbox relative to the rotor housing.
REFERENCES:
patent: 4636670 (1987-01-01), Kallstrom
patent: 5115159 (1992-05-01), Takamiya et al.
Fukuda, JP Abstract 3-057785, GPIC JPO Abstract Database, Mar. 31, 1991.
Chikamori et al., JP Abstract 7-242126, GPIC JPO Abstract Database, Sep. 19, 1995.
Mullins B.
Ramirez Nestor
SRAM Deutschland GmbH
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