A materials handling vehicle is provided comprising: a support structure including a first member; a movable assembly coupled to the support structure; and a control system. The support structure further comprises lift apparatus to effect movement of the movable assembly relative to the support structure fixed member. The lift apparatus includes at least one ram/cylinder assembly at least one hydraulic fluid line in communication with said at least one ram/cylinder assembly, and a hydraulic system that supplies a pressurized fluid to said at least one ram/cylinder assembly via said at least one hydraulic fluid line. The control structure may monitor a pressure of the pressurized fluid within said hydraulic structure and may implement a response routine if the monitored pressure of the pressurized fluid within said hydraulic structure falls below a threshold pressure during a lowering or lifting operation of the movable assembly. I* I V I t i0. -- FtI 1*1*I UY I L tAM. Docket No. CRN 607 PA q cl -Rom --41 a0
Materials Handling Vehicle Monitoring a Pressure of Hydraulic Fluid Within a Hydraulic Structure
2018-01-25
Patent
Elektronische Ressource
Englisch
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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