HYDRAULIC SYSTEM INCLUDING FIXED DISPLACEMENT PUMP FOR DRIVING MULTIPLE VARIABLE LOADS AND METHOD OF OPERATION

An exemplary hydraulic system includes a plurality of digital valves, each valve fluidly connectable to a corresponding hydraulic load. The digitals valves are operable to fluidly connect the corresponding hydraulic load to a pressure source. The hydraulic system further includes a digital controlle...

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Bibliographic Details
Main Authors STOLTZ, THOMAS, J, WU, DUQIANG, KESS, JOHN, RYAN, JAGODA, AARON, H, MORRIS, BENJAMIN, BRENNER, PAUL, FORTUNE, CLARK, G
Format Patent
LanguageEnglish
French
German
Published 12.01.2011
Subjects
BLASTING
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
LIGHTING
MECHANICAL ENGINEERING
MOTOR VEHICLES
PERFORMING OPERATIONS
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
TRAILERS
TRANSPORTING
WEAPONS
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Summary:An exemplary hydraulic system includes a plurality of digital valves, each valve fluidly connectable to a corresponding hydraulic load. The digitals valves are operable to fluidly connect the corresponding hydraulic load to a pressure source. The hydraulic system further includes a digital controller operably connected to the plurality of digital valves. The digital controller is configured to assign a priority level so that it is associated with each of a plurality of hydraulic loads, and to formulate a pulse width modulated control signal based on the assigned priority levels. The digital controller transmits the control signal to the plurality of digital valves for controlling the operation of the valves.
Bibliography:Application Number: EP20090730912