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Vapor degreasing system having a divider wall between upper and lower vapor zone portions

  • US 4,029,517 A
  • Filed: 03/01/1976
  • Issued: 06/14/1977
  • Est. Priority Date: 03/01/1976
  • Status: Expired due to Term
First Claim
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1. Apparatus comprising a housing having a sump adapted to contain a vaporizable solvent, a first condensor means supported by the housing adjacent the upper end thereof and defining the upper end of a vapor zone in said housing above said sump, dividing means for dividing the vapor zone into upper and lower portions and for selectively isolating said portions, the upper portion of the vapor zone having said first condensor means adjacent the upper end thereof, second condensor means supported by said housing in said lower portion of said vapor zone below said dividing means, means for separating vaporized solvent from air containing said vaporized solvent, said separating means having an inlet and an outlet, first means providing communication between said upper portion of said vapor zone and the inlet of said separating means, second means providing communication between the outlet of said separating means and said upper portion of said vapor zone, and means for selectively causing circulation of air and vaporized solvent from the upper portion of said vapor zone through said first means to said separating means and for discharging desaturated air to the upper portion of said vapor zone by way of said second means.

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