Excavating – Processes
Reexamination Certificate
2006-04-25
2006-04-25
Batson, Victor (Department: 3671)
Excavating
Processes
C037S348000, C060S468000, C060S466000
Reexamination Certificate
active
07032332
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:
patent: 3407946 (1968-10-01), Pilch
patent: 3815766 (1974-06-01), Carlson et al.
patent: 4126152 (1978-11-01), Kirk
patent: 4194365 (1980-03-01), Stoufflet et al.
patent: 4586332 (1986-05-01), Schexnayder
patent: 4628690 (1986-12-01), Arai et al.
patent: 4718329 (1988-01-01), Nakajima et al.
patent: 5018934 (1991-05-01), Steinkamp et al.
patent: 5025626 (1991-06-01), Crosser et al.
patent: 5048296 (1991-09-01), Sunamura et al.
patent: 5413452 (1995-05-01), Lech et al.
patent: 5424623 (1995-06-01), Allen et al.
patent: 5471908 (1995-12-01), Lech
patent: 5609088 (1997-03-01), Park
patent: 5709083 (1998-01-01), Sorbel et al.
patent: 5897287 (1999-04-01), Berger et al.
patent: 6356829 (2002-03-01), Fan et al.
patent: 6398277 (2002-06-01), McDonald
patent: 6474064 (2002-11-01), Heyne et al.
patent: 6532738 (2003-03-01), Sharkness et al.
patent: 6640409 (2003-11-01), Sharkness et al.
Heyne Dennis
Lech Richard J.
Sharkness Eric
Batson Victor
Bucchianeri Stephen A.
CNH America LLC
Harms Michael C.
Stader John William
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