Abstract: An electronic assembly for a cover supported by a pole is disclosed. The pole defines a top portion associated with a cover and an opposing bottom portion that engages a support surface such as a floor. The electronic assembly may comprise an electronic fan defining a fan body housing a motor that rotates a hub associated with collapsible fan blades. The pole may extend through the body so that the hub rotates about an axis defined by the pole. The body may further slide up and down the pole and engage the pole at a first latch point where it stays while deployed and operating. A power source may be provided to supply the power needed to rotate the hub. A sensor may be disposed at or adjacent to the first latch point and the electronic fan may be disabled when the sensor does not sense the fan body.

Abstract: The purpose of this invention is to allow the use of power roof vents in locations where they are otherwise undesirable. It disguises the power roof vent as a chimney and cap that are used with a combustible fuel source. This is accomplished by building a false chimney (that resembles a masonry or prefabricated chimney suitable for combustion gasses) and mounting the power roof vent on top of it. The invention also increases the efficiency of power roof vents because of the “chimney effect” resulting from the power roof vent being mounted higher than the standard installation—directly on the roof. The chimney effect is as follows: Warm air moving up thru a space and out a vent creates a vacuum. This forces air up from lower level vents. The greater the difference in height between the high and low vents the more movement of air will take place.