Drive unit having an electric motor

Details Drive unit having an electric motor Drive unit having an electric motor

1995-05-18

1996-09-24

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

Having correlated or joint actuation of controller of input...

60436, 123 4112, 180422, F16D 3102

Patent

active

055579302

ABSTRACT:
In a drive unit which includes an electric motor and a cooling fan as well as a hydraulic power steering pump to be driven by the electric motor, the cooling fan is operatively connected to the motor by a clutch and a control circuit is provided for operating the clutch so as to disengage the cooling fan whenever the power steering unit needs hydraulic fluid for steering assistance, whereby both, the cooling fan and the hydraulic pump, are never operated at the same time so that the motor may be relatively small, light and inexpensive.

REFERENCES:
patent: 2807246 (1957-09-01), Jacobs
patent: 3283527 (1966-11-01), Cauvin
patent: 3991846 (1976-11-01), Chichester et al.
patent: 4100739 (1978-07-01), Shaffer
patent: 4283009 (1981-08-01), Deem
patent: 4344284 (1982-08-01), Lang
patent: 4425766 (1984-01-01), Claypole
patent: 4738330 (1988-04-01), Suzuki et al.

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