192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1981-09-25
1984-05-22
Krizmanich, George H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 0092, 192 356, 192 358, 192 215, F16D 2716, B60K 4128
Patent
active
044496192
ABSTRACT:
A system for controlling an electromagnetic clutch of an internal combustion engine mounted on a vehicle, which is capable of eliminating the residual magnetism during operation of a shift lever of a transmission. The electromagnetic clutch has a drive member secured to a crankshaft of the internal combustion engine, a driven member adjacent the drive member, and a magnetizing coil provided in one of the members. A neutral switch is provided for detecting when the shift lever is in a neutral position and a switch for detecting acceleration is provided for producing a signal when the engine is not accelerated. Both signals of the switches are fed to a control circuit. The control circuit is so arranged that the current flowing through the magnetizing coil is inverted in dependency on the output signals, so that the residual magnetism in the clutch may be eliminated.
REFERENCES:
patent: 2688388 (1954-09-01), Gill
patent: 2821868 (1958-02-01), Gregory
patent: 3730317 (1973-05-01), Jaeschke
patent: 3752284 (1973-08-01), Brittain
patent: 4086994 (1978-05-01), Hirosawa et al.
Farber Martin A.
Fuji Jukogyo Kabushiki Kaisha
Krizmanich George H.
Manley M.
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