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Environmental chamber

  • US 4,602,503 A
  • Filed: 07/11/1985
  • Issued: 07/29/1986
  • Est. Priority Date: 07/11/1985
  • Status: Expired due to Fees
First Claim
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1. An environmental chamber comprising, a horizontally disposed cylindrical housing forming a test chamber for the component to be tested, said housing having an end wall and a side wall, a plurality of apertures provided in said side wall, said housing being mounted coaxially within an outer cylindrical housing, said outer housing having an end wall spaced outwardly from the end wall of the inner housing and a side wall spaced radially outwardly from the side wall of the inner housing, a door mounted on the other ends of said inner and outer housings, the space between the side walls of the inner and outer housings forming an air supply plenum and an air return plenum, the space between the end walls of the inner and outer housings providing an air spray chamber communicating with said air return plenum, a water spray header having a plurality of spray jets mounted within said spray chamber, a source of heated water connected to said spray header, a horizontally disposed baffle disposed in said spray chamber in proximity to said water spray header for providing a mist eliminator, fan means mounted in said outer housing above the baffle for circulating air into the air supply plenum, heater means mounted in the outer housing between the baffle and the fan means, a source of pressurized gas connected to said outer housing and communicating with said test chamber, an insulated housing surrounding said outer housing, and a door on an end of said insulated housing spaced from the door of the inner and outer housings, whereby the inner door effects a pressure seal and the outer door isolates the test chamber from any appreciable heat loss.

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