192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1980-07-14
1982-11-02
Krizmanich, George H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 0033, 192 0098, 192 8713, 192103R, B60K 4102
Patent
active
043569005
ABSTRACT:
An improved heavy duty motor clutch drive system is disclosed which includes a motor adapted to be drivingly connected to apparatus to be driven by means of a clutch unit of the oil shear type which may be selectively actuated by application of fluid pressure. Improved electrically actuated control valve means are provided for controlling the application of actuating fluid pressure to the clutch unit and includes associated control circuitry for operating the control valve so as to accelerate the driven apparatus in a predetermined manner. Additionally, in some applications a plurality of such drive systems may be utilized to drive a common apparatus in which case the clutch actuating controls may be interconnected so as to provide progressive predetermined delay actuation of the various clutch units. Safety override means are also incorporated into the control circuitry which are designed to deactuate the clutch unit so as to disconnect the motor from the driven apparatus in response to abnormal operating conditions.
REFERENCES:
patent: 2875634 (1959-03-01), Gelenius et al.
patent: 3209871 (1965-10-01), Moericke
patent: 3258985 (1966-07-01), Jordan
patent: 3756282 (1973-09-01), Knutson
patent: 4133511 (1979-01-01), Hartmann et al.
patent: 4154425 (1979-05-01), Smith
patent: 4267914 (1981-05-01), Saar
Krizmanich George H.
Sommer Co.
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