Device for converting rotational kinetic energy to heat by gener

Details Device for converting rotational kinetic energy to heat by gener Device for converting rotational kinetic energy to heat by gener

1982-10-13

1984-12-04

Leung, P. H.

Electric heating

Metal heating

Of cylinders

219 1049R, 219 1075, 219 1079, 290 44, 290 55, H05B 610

Patent

active

044866380

ABSTRACT:
The converter device comprises a magnetic rotor (2) rotatively mounted integral with primary shaft (1) of the device and a heat exchanger (5) having electrically conducting walls through the helically-shaped inner cavity (6) of which a fluid is caused to flow and within the walls of which rotating induction produced by a rotor generates eddy currents. A tachometer generator (8) measures the shaft rotational speed and controls, as a function of the said speed, the angular position of an electric motor (9), which drives the exchanger (5) along a linear translation path in a direction parallel to the rotor axis. Due to such a closed-loop control, the resistant torque is governed by a predetermined relation. The device can be used to convert to heat rotational kinetic energy from a wind turbine.

REFERENCES:
patent: 3517151 (1970-06-01), Mekjean
patent: 4217475 (1980-08-01), Hagerty
patent: 4311896 (1982-01-01), Junya
patent: 4350861 (1982-09-01), Pouillange et al.
patent: 4421967 (1983-12-01), Birgel et al.

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