Patent Number: 6,305,162

Title: Method and apparatus for controlling the deadband of a fluid system

Abstract: The present invention provides a method and apparatus for controlling a fluid system. The fluid system includes a hydraulic circuit having a pump driven by an engine. The pump delivers fluid to an actuator through a valve assembly. The method includes the steps of receiving an operator input, determining a condition of the hydraulic circuit, determining a valve command in response to the circuit condition and the operator input, and delivering the valve command to the valve assembly.

Inventors: Cobo; Michael A. (Saint Charles, IL), Dietz; Hans P. (Naperville, IL), O'Neill; William N. (East Peoria, IL), Janson; Brett J. (Dunlap, IL)

Assignee: Caterpillar Inc.

International Classification: E02F 9/22 (20060101); F15B 21/08 (20060101); F15B 21/00 (20060101); F15B 19/00 (20060101); F16D 031/02 ()

Expiration Date: 10/23/2018