Fluid sprinkling – spraying – and diffusing – Plural interchangeable discharge modifiers – outlet... – Selectively arrangeable outlet means
Patent
1979-01-15
1981-01-27
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Plural interchangeable discharge modifiers, outlet...
Selectively arrangeable outlet means
72201, 134198, 137884, 164444, 239436, 239551, 239556, 239557, 239562, B05B 116
Patent
active
042470471
ABSTRACT:
Metal strip reducing rolls are precisely cooled in multiple zones across the width of the strip by the selective activity of modular valve assemblies on coolant headers mounted near the reducing rolls. Each valve module may possess one or more remotely controllable coolant control valves within the header and associated coolant nozzles whose aperture sizes may vary in a fixed ratio within each zone to achieve a variable coolant flow rate in each zone while maintaining a constant unchanging coolant spray configuration and impingement force. Individual coolant valves and nozzles in a digital control system are fully on or fully off in contrast to gradient control of coolant in an analog system. An observer of the moving metal strip activates and deactivates selected nozzles in selected zones across the strip through a push button digital control console. Electrical, pneumatic or hydraulic valve control may be utilized. Back-up rolls in the mill may also be cooled.
REFERENCES:
patent: 3570725 (1971-03-01), Baker et al.
patent: 3784153 (1974-01-01), MacDonald et al.
patent: 3880358 (1975-04-01), Schaming
patent: 4152202 (1979-05-01), DeLight
Kashnikow Andres
Weaver D. Paul
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