Fluid handling – Systems – Programmer or timer
Patent
1992-11-20
1994-06-07
Michalsky, Gerald A.
Fluid handling
Systems
Programmer or timer
118695, 118696, 118698, 239 69, G05B 1101
Patent
active
053180658
ABSTRACT:
A coating material dispensing system comprises a hazardous area and a non-hazardous area. Multiple coating material type controls have coating material input ports, coating material output ports, and control ports for controlling the passage of a type of coating material controlled by each respective coating material type control from its input port to its output port. A controller generates control signals for controlling the multiple coating material type controls. The control signals are multiplexed in the non-hazardous area, and transmitted into the hazardous area where they are demultiplexed and provided to the coating material type controls. The demultiplexer and coating material type controls are intrinsically safe.
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Edwards Scott A.
Hughey Daniel C.
Michalsky Gerald A.
Ransburg Corporation
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