Hydrostatic servomechanism with artificial feedback

Details Hydrostatic servomechanism with artificial feedback Hydrostatic servomechanism with artificial feedback

1974-08-20

1976-02-17

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Manual pump pressurizes fluid to position output motor...

60386, F15B 902, F15B 1316

Patent

active

039383318

ABSTRACT:
A hydrostatic servomechanism adapted for controlling the direction of vehicles and selfpropelled machines. The servomechanism has a power circuit including a servopump, a distributor with reset mechanism, and a servomotor and a control circuit with a measuring pump connected through the control branches to the reset mechanism of the distributor and actuated by means of a command element, for example a vehicle steering wheel. The invention provides a simple reliable servomechanism with an artificial feedback simulator, non-sensitive to various harmful effects, providing a relatively stable and easily selectable gear ratio between the input and output parts of the servomechanism. The feedback simulator comprises a flow meter, a power circuit, and a controllable throttle means mechanically connected to the flow meter, the feedback simulator being incorporated between the control branches of the control circuit.

REFERENCES:
patent: 2954756 (1960-10-01), Donner et al.
patent: 3765181 (1973-10-01), Lang et al.

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