Power plants – Pressure fluid source and motor – Control by independently operated punch card – tape – digital...
Reexamination Certificate
2004-11-30
2008-10-28
Lopez, F. Daniel (Department: 3745)
Power plants
Pressure fluid source and motor
Control by independently operated punch card, tape, digital...
C060S422000
Reexamination Certificate
active
07441404
ABSTRACT:
A control system for a work machine having a plurality of removably attachable work tools is disclosed. The control system has a tool recognition device configured to generate a recognition signal corresponding to each of the removably attachable work tools, and at least one fluid actuator configured to move at least one of the plurality of removably attachable work tools. The control system also has at least one fluid sensor configured to generate a load signal and at least one operator interface device configured to generate a desired velocity signal. The control system further has a controller in communication with the tool recognition device, the at least one fluid actuator, the at least one fluid sensor, and the at least one input device. The controller is configured to command a velocity for the fluid actuator in response to the recognition signal, the load signal, and the desired velocity signal.
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Devier Lonnie James
Lunzman Stephen V.
Tozawa Shoji
Caterpillar Inc.
Finnegan Henderson Farabow Garrett & Dunner
Lopez F. Daniel
Shin Caterpillar Mitsubishi Ltd
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