Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Patent
1997-06-13
1998-07-28
Ro, Bentsu
Electricity: motive power systems
Plural diverse motor controls
Running-speed control
180 63, 180422, 180428, 318474, B62D 522, H02P 500
Patent
active
057866740
ABSTRACT:
A hydraulic servo control, particularly a hydraulic power steering system for motor vehicles, has hydraulic pressure pump which is driven by an electric motor. The rotational speed of the electric motor is controlled as a function of the load, so that a high rotational speed occurs only when there is a corresponding demand.
REFERENCES:
patent: 4392540 (1983-07-01), Michio et al.
patent: 4557343 (1985-12-01), Pickering
patent: 4828066 (1989-05-01), Hayashi
Kooths Uwe
Kress Wolfgang
Mercedes-Benz AG
Ro Bentsu
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