Invention Grant
US07954255B2 Drying apparatus with a solvent-recovery function, and a method for drying solvent recovery 有权
具有溶剂回收功能的干燥装置和干燥溶剂回收方法

  • Patent Title: Drying apparatus with a solvent-recovery function, and a method for drying solvent recovery
  • Patent Title (中): 具有溶剂回收功能的干燥装置和干燥溶剂回收方法
  • Application No.: US12339474
    Application Date: 2008-12-19
  • Publication No.: US07954255B2
    Publication Date: 2011-06-07
  • Inventor: Kohei Sawa
  • Applicant: Kohei Sawa
  • Agency: Reising Ethington P.C.
  • Main IPC: F26B21/00
  • IPC: F26B21/00
Drying apparatus with a solvent-recovery function, and a method for drying solvent recovery
Abstract:
A drying apparatus with a vaporized-solvent-recovery function including: a concentration-at-the-end-of-drying data memorizing device to memorize a concentration of a vaporized solvent at the end of a drying operation of an object to be dried in a processing path; a vaporized solvent; an end-of-drying judging device to judge an end of drying of the object by comparing the concentration measured by the vaporized-solvent-concentration measuring device with the concentration memorized by the concentration-at-the-end-of-drying data memorizing device; and a drying-operation controlling device to control the drying operation of the object in a processing bath and to end the drying operation in response to a judgement by the end-of-drying judging device that the concentration measured by the vaporized-solvent-concentration measuring device is equal to the concentration memorized in then concentration-at-the-end-of-drying data memorizing device.
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