Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1997-09-22
1999-09-21
Thompson, Gregory
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
165286, 454184, H05K 720
Patent
active
059562285
ABSTRACT:
An electronic cabinet assembly is disclosed which is positioned in an exterior environment, such as a railway tunnel. The cabinet assembly includes an electronic cabinet having a box portion and at least one door together defining an interior space. The door has an open position for providing access to the interior space and a closed position where the door is in sealed relation to the box portion. The electronic cabinet includes one or more vents. A fan is in communication with the exterior of the cabinet, and with the interior space. A pressure sensing device is electrically connected to the fan and is in communication with the exterior of the cabinet and with the interior space for actuating the fan in response to sensing a predetermined pressure differential between the exterior of the cabinet and the interior space.
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Fazio Alfred E.
Hall Charles S.
Troup Arthur R.
Zahorsky David J.
Zamparelli Allan D.
National Railroad Passenger Corporation
Thompson Gregory
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