Light bar heater
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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Abstract
A heating system for installation and use within an emergency or service vehicle'"'"'s warning light system. The heating system comprises generally a self-limiting heater which is operatively connected to a fan for displacing air within the light system, creating an exchange of forced air by the heating element. The heating system may further comprise a switch and control relay which is thermostatically actuated or actuated in response to ambient humidity.
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Citations
1 Claim
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1. A heating and water removal system for vehicle warning light bars, comprising:
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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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Specification
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Current AssigneeJames R. Bigham
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Original AssigneeJames R. Bigham
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InventorsBigham, James R.
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Primary Examiner(s)Lazarus, Ira S.
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Assistant Examiner(s)SPARK, MATTHEW J
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Application NumberUS08/653,256Time in Patent Office704 DaysField of Search362/35, 362/74, 362/92, 362/223, 362/294, 392/379, 392/382, 392/383, 219/202, 219/219, 219/220, 219/203, 219/497, 340/521US Class Current362/294CPC Class CodesB60S 1/026 using electrical meansB60S 1/603 the operation of at least a...
