Electronic control for swing damping

Details Electronic control for swing damping Electronic control for swing damping

2005-09-13

2005-09-13

Batson, Victor (Department: 3671)

Excavating

Ditcher

Condition responsive

C037S443000, C060S469000

Reexamination Certificate

active

06941687

ABSTRACT:
An electronic control for damping oscillation of a swinging backhoe assembly includes a crossover valve that connects the hydraulic lines that supply hydraulic fluid to the boom swing cylinders to each other whenever an electronic controller senses incipient oscillation or swinging of the backhoe assembly. The electronic controller senses such parameters as pressure in the conduits and the position of the operator controls or the position of the boom swing control valve that the operator controls to determine incipient oscillation when the backhoe assembly is stopped. The crossover valve may remain open for a predetermined period of time.

REFERENCES:
U.S. Appl. No. 10/443,309, filed May 22, 2003, Eric Sharkness; Dennis.
U.S. Appl. No. 10/443,473, Heyne; Richard J. Lech.

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