Tank car cleaning and rinsing apparatus and method

Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages

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Details

134168R, 134173, 134198, B08B 300

Patent

active

060217936

ABSTRACT:
A method and apparatus for cleaning and rinsing the interior surfaces of a railway tank car with a single, high-pressure fluid spray. The apparatus is inserted into a tank car through its manway and secured using a lockdown assembly. The swivel assembly includes a swivel shaft which is disposed longitudinally through a swivel housing and is interconnected with a rotor motor and with a hollow spindle assembly. A fluid channel communicates the fluid to the spindle assembly where the fluid is sprayed through a single nozzle onto the interior surfaces of a tank car. Control of fluid spray orbit is accomplished by two perpendicular axes for causing rotation and actuation of the nozzle affixed to the spindle assembly, through the cooperation of an idler gear. Another embodiment provides a streamlined design in which actuation of a hose linkage controlling articulation and bending of a flexible hose means to direct pressurized fluid against the various interior tank car surfaces, is achieved by the rotation of a swivel nut about a corresponding externally-threaded support column means.

REFERENCES:
patent: 3874594 (1975-04-01), Hatley
patent: 3895756 (1975-07-01), Jaeger
patent: 4716917 (1988-01-01), Schmidt
patent: 5352298 (1994-10-01), Moulder
patent: 5392798 (1995-02-01), Hirose et al.
patent: 5518553 (1996-05-01), Moulder

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