Method and apparatus for continuously determining the inclinatio

Details Method and apparatus for continuously determining the inclinatio Method and apparatus for continuously determining the inclinatio

1995-09-01

1996-08-20

Merritt, Karen B.

Material or article handling

Marine loading or unloading system

73299, 4141397, 4141398, 414786, B65G 6762

Patent

active

055473270

ABSTRACT:
Pressure sensors positioned at strategic points on a floating vessel below the surface of the water provide depth information to a shore based control computer via wireless telemetry. The pressure sensors provide continuous information regarding the draft and inclination of the vessel as it is being loaded. The depth information produced by the pressure signals is telemetered to the control computer via transmitting units positioned on the floating vessel and a shore based receiver. The control computer compares the information from the pressure sensors to desired loading characteristics for the vessel and controls the loading process by sending control signals to a loader controller to adjust the point of loading. The point of loading is maintained so as to keep the vessel within desired trim and draft limits. Loading ceases when a desired amount of material has been delivered into the barge or when the barge is at the desired draft in a level state.

REFERENCES:
patent: 3038143 (1962-06-01), Dow
patent: 3329808 (1967-07-01), Fisher
patent: 3612302 (1971-10-01), DeGroot
patent: 4215965 (1980-08-01), Parsons
patent: 4218168 (1980-08-01), Parsons
patent: 4254334 (1981-03-01), Baud
patent: 4872118 (1989-10-01), Naidenov et al.
Technical Report HL-87-10, "Evaluation of Vertical Motion Sensors for Potential Application to Heave Correction in Corps Hydrographic Surveys", Downing & Fagerburg, 1987.

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