ACCELERATED WEATHERING TECHNIQUE
First Claim
1. An accelerated weathering device, comprising:
- a weathering chamber adapted to receive a work piece;
a means for supporting the work piece so that a surface of the work piece is in an orientation from about 0 degrees to about 20 degrees from horizontal, wherein the means for supporting is mechanically attached to the weathering chamber, and wherein the means for supporting is adapted to be in thermal communication with a work piece;
a central controller unit disposed outside the weathering chamber;
a work piece temperature control device in electronic communication with the central controller unit, wherein the work piece temperature control unit comprises a temperature sensing device in electronic data communication with the central controller unit and thermal communication with the means for supporting, and wherein the work piece temperature control unit comprises a heat exchanger device in electronic controlling communication with the central controller unit and in thermal communication with the means for supporting;
a humidity control unit in electronic communication with the central control unit, wherein the humidity control unit comprises a humidifier in electronic controlling communication with the central controller and in vapor communication with the weathering chamber, and wherein the humidity control unit comprises a humidity sensor in electronic data communication with the central controller and in vapor communication with the weathering chamber; and
a spectral irradiation unit adapted to be placed in optical communication with a work piece, and the spectral irradiation unit being in electronic controlling communication with the central controller unit.
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Accused Products
Abstract
A method for creating condensation in an accelerated weathering device, the method having the step of creating condensation in a weathering chamber of an accelerated weathering device by cooling a surface in the chamber to a temperature that is colder than the dew point of the air inside the chamber. An accelerated weathering device having a weathering chamber and at least one radiant cooling tube that is either touching or less than about 2.5 centimeters away from at least one surface in the weathering chamber so that by passing a fluid through the at least one radiant cooling tube, the temperature of the a least one surface can be decreased as a result of the radiant cooling from the radiant cooling tube.
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Citations
20 Claims
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1. An accelerated weathering device, comprising:
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a weathering chamber adapted to receive a work piece; a means for supporting the work piece so that a surface of the work piece is in an orientation from about 0 degrees to about 20 degrees from horizontal, wherein the means for supporting is mechanically attached to the weathering chamber, and wherein the means for supporting is adapted to be in thermal communication with a work piece; a central controller unit disposed outside the weathering chamber; a work piece temperature control device in electronic communication with the central controller unit, wherein the work piece temperature control unit comprises a temperature sensing device in electronic data communication with the central controller unit and thermal communication with the means for supporting, and wherein the work piece temperature control unit comprises a heat exchanger device in electronic controlling communication with the central controller unit and in thermal communication with the means for supporting; a humidity control unit in electronic communication with the central control unit, wherein the humidity control unit comprises a humidifier in electronic controlling communication with the central controller and in vapor communication with the weathering chamber, and wherein the humidity control unit comprises a humidity sensor in electronic data communication with the central controller and in vapor communication with the weathering chamber; and a spectral irradiation unit adapted to be placed in optical communication with a work piece, and the spectral irradiation unit being in electronic controlling communication with the central controller unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification