Actuator control system for hydraulic devices

Power plants – Miscellaneous

Reexamination Certificate

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Details

C166S053000

Reexamination Certificate

active

06925807

ABSTRACT:
An apparatus and method for controlling an actuator system having an electrical actuator in hydraulic communication with a hydraulic actuator are described. The apparatus includes a controller module in communication with a source of electrical power and a transceiver. The transceiver is adapted for bi-directional wireless communication with a remote transceiver for the transfer of control data and feedback data. The controller module sends a control signal to the electrical actuator in response to control data received from the remote transceiver. The source of electrical power includes a hydraulic motor and an electrical generator to provide local electrical power from a hydraulic flow. Because the electrical power is generated locally and the control and feedback data are carried over the wireless link, no wires to remote locations are required.

REFERENCES:
patent: 5755296 (1998-05-01), Richardson et al.
patent: 5957213 (1999-09-01), Loraas et al.
patent: 6510902 (2003-01-01), Prokop et al.
patent: 6662881 (2003-12-01), Domann
patent: 6691435 (2004-02-01), Schultz et al.

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