Tennessee Patent of the Month – August 2021

Inflatable devices are sometimes used for advertising – with those wacky waving inflatable mascots – or for other purposes such as Christmas decorations. A key limitation to these inflatable devices is the need for a constantly running motor and power. Dalen Products, Inc. has developed an inflatable device that uses a low power motor to efficiently maintain inflation and uses solar power charged batteries.

The inflatable device has an air flow path and air diverter with a central motor. The motor naturally generates heat as it operates and so a fan is connected below the air diverter to rotate in order to generate a flow of air. The air diverter then cooperates with the fan to create turbulent air flow through the air chamber, past the motor and cools the heating portion of the equipment. The solar panel is electrically coupled to the battery to charge as it rests outside. The turbulent airflow causes the inflatable body to undulate, creating a moving advertisement. This low power design allows for the inflatable device to run for longer periods with reduced energy consumption.

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