Electricity: motive power systems – Braking – Plural – diverse or diversely controlled braking means
Patent
1987-11-16
1988-06-14
Ro, Bentsu
Electricity: motive power systems
Braking
Plural, diverse or diversely controlled braking means
272129, A63B 2124
Patent
active
047514400
ABSTRACT:
An electrical circuit governs the speed and resisting torque of a permanent magnet electric generator which is employed as a means for generating resistance for an isokinetic physical exercise machine to improve the effectiveness of the training. By providing a steep increase of resisting torque to the speed when the torque is below a predetermined value and when the speed exceeds a preset level, it insures a minimum resistance throughout the range of motion and contains the speed within a desired range.
REFERENCES:
patent: 4060239 (1977-11-01), Pfleiderer et al.
patent: 4082267 (1978-04-01), Flavell
patent: 4184678 (1980-01-01), Flavell et al.
patent: 4261562 (1981-04-01), Flavell
patent: 4358105 (1982-11-01), Sweeney
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