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US 6,802,687 B2Granted
Method for controlling a raise/extend function of a work machine
AssigneeCaterpillar Inc.
InventorsSimon C. Litchfield, C. James Johnson
Life of this patent
Estimating the term…
Abstract
A method for controlling the raise/extend function of a work machine is provided. The method comprises sensing the lateral orientation of the work machine, comparing the sensed orientation to a desired orientation and controlling the raise/extend operation in response to the actual verses the desired position.
Claims5
A method for controlling a boom raise/extend function of a work machine, the work machine having a longitudinal frame and a frame support member, said method comprising:
- sensing the pressure at both ends of at least one hydraulic cylinder being positioned between the frame and the frame support member;
- comparing the sensed pressures to a desired predetermined limit;
- controlling the boom raise/extend in response to the comparison between the sensed pressure and the predetermined limit.
Dependencies are inferred from the claim text.