System for preventing the overheat of a clutch for an internal c

Details System for preventing the overheat of a clutch for an internal c System for preventing the overheat of a clutch for an internal c

1982-02-19

1985-03-05

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0076, 192 0092, 192 82T, B60K 4128

Patent

active

045025797

ABSTRACT:
A system for preventing the overheating of an electromagnetic clutch of an internal combustion engine mounted on a vehicle caused by slipping of the clutch for a considerably long time. The electromagnetic clutch has a drive member secured to a crankshaft of the internal combustion engine, a driven member adjacent to the drive member, and a magnetizing coil provided in one of said members. The heat quantity generated in the clutch is calculated by an operation circuit. A clutch current control circuit is provided such that when the heat quantity exceeds a predetermined value, the electromagnetic clutch is applied with a rated clutch current to engage the clutch without slipping for preventing overheating by the slipping.

REFERENCES:
patent: 3402793 (1968-09-01), Scholl
patent: 3834499 (1974-09-01), Candellero et al.
patent: 4068543 (1978-01-01), Sakai et al.
patent: 4282947 (1981-07-01), Kemper
patent: 4351205 (1982-09-01), Fischer

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