Marine propulsion – Electric drive for propelling means
Reexamination Certificate
2006-04-04
2006-04-04
Olson, Lars A. (Department: 3617)
Marine propulsion
Electric drive for propelling means
C440S027000, C180S220000, C280S212000
Reexamination Certificate
active
07021978
ABSTRACT:
A human-powered generator system for electric watercycles with a control means whereby the perceived mechanical properties of the pedal mechanism and electric pedal-powered generator are adjustable by the operator. The invention provides a means whereby the rotational inertia and damping of the input pedal mechanism, including generator, as perceived by the operator can be increased or decreased as desired. The control means with further properties such that the input pedal mechanism as perceived by the operator can be made to mimic that of bicycle; i.e., with large inertia when pedaling in the forward direction, a very low inertia when pedaling in the reverse direction, and a freewheeling clutch mechanism whereby the large inertia is disengaged when not pedaling in the forward direction with a forward torque. The control means further enable the electric watercycle to be perceived as coasting through the water when the operator takes a momentary break from pedaling, much like that of a bicycle coasting.
REFERENCES:
patent: 5316101 (1994-05-01), Gannon
patent: 5489002 (1996-02-01), Streiff
patent: 6217398 (2001-04-01), Davis
patent: 6855016 (2005-02-01), Jansen
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