Electromagnetic coupling

Details Electromagnetic coupling Electromagnetic coupling

1987-07-31

1988-12-27

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

1921061, 464 89, F16D 312, F16D 2710

Patent

active

047934557

ABSTRACT:
An electromagnetic coupling selectively transmits power from an automobile engine to a supercharger. The electromagnetic coupling includes a rotor having excitation coils thereon and rotatable by the drive source, an armature magnetically attractable in a direction toward the rotor for rotation therewith in response to energization of the excitation coils, an outer holder plate mounted on the armature and having a first flange, an inner holder plate connected to the supercharger and disposed radially inwardly of the outer holder plate, the inner holder plate having a second flange positioned concentrically with and spaced from the first flange, and an elastomeric member disposed between and joined to the first and second flanges. The elastomeric member has a thickness in the direction toward the rotor which is progressively increased from the second flange toward the first flange. The elastomeric member has a surface remote from the armature, the surface and the first flange of the outer holder plate forming an obtuse angle before the armature is magnetically attracted to the rotor.

REFERENCES:
patent: 2065601 (1936-12-01), Meyer
patent: 2142784 (1939-01-01), Guy
patent: 2363469 (1944-11-01), Goldschmidt
patent: 3774739 (1973-11-01), Higuchi
patent: 4432446 (1984-02-01), Okano et al.
patent: 4445606 (1984-05-01), Van Laningham
patent: 4493407 (1985-01-01), Newton
patent: 4624354 (1986-11-01), Koitabashi
patent: 4718526 (1988-01-01), Koitabashi

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