Fluid handling – With casing – support – protector or static constructional... – With hose storage or retrieval means
Patent
1995-05-03
1998-11-17
Chambers, A. Michael
Fluid handling
With casing, support, protector or static constructional...
With hose storage or retrieval means
13735521, 2423887, 254291, 254294, B65H 7534
Patent
active
058363432
ABSTRACT:
An electric pump 13 is mounted on a support 24 and can be raised and lowered using chains 25 driven by a motor.
Supply cable 14 for the pump is stored on drum 15. Fluid is discharged by the pump through hose 17 stored on drum 18.
A spray ring 20 attached to the pump is supplied with water through hose 21 stored on drum 22. The drums are rotated by hydraulic motors 32 and chains eg 36, 37. As the pump is raised at a uniform speed the drums are rotated to take up the slack hose and cable. The height of the pump is sensed from movement of the pump motor and the pressure supplied to the hydraulic motors is changed in discrete steps to maintain the wind up speed on to the drums despite the change in weight of unwound hose or cable.
REFERENCES:
patent: 3145725 (1964-08-01), Knights
patent: 3396747 (1968-08-01), Moore
patent: 3516433 (1970-06-01), Guinot
patent: 3758078 (1973-09-01), Grenn
patent: 4058295 (1977-11-01), Morfitt
patent: 4323222 (1982-04-01), Dempster et al.
patent: 4508281 (1985-04-01), Plater
patent: 4623509 (1986-11-01), Fabris
British Nuclear Fuels PLC
Chambers A. Michael
Hinds William R.
Hochberg D. Peter
Holt William H.
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