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Light bar heater

  • US 5,743,631 A
  • Filed: 05/24/1996
  • Issued: 04/28/1998
  • Est. Priority Date: 05/11/1995
  • Status: Expired due to Term
First Claim
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1. A heating and water removal system for vehicle warning light bars, comprising:

  • a pair of symmetrical first and second heater and fan units located within the vehicle warning light bar, with each heater and fan unit comprising a self-limiting heater comprised of one or more resistive heater elements, an electric fan for circulating heated air, and a control relay thermostatically actuated and/or actuated by relative humidity of 90% inside said vehicle warning light bar, and deactuated by relative humidity of 50% inside said vehicle light bar, operably connected to said heater and fan;

    a vehicle battery as a source of power electrically connected to the heater and fan units, including a relay and a protective fuse interdisposed between the heater and fan units and the source of power, wherein the relay is actuated by the vehicle ignition switch; and

    a manually operated switch for activating said heater and fan units.

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