The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 23, 1979
Filed:
Aug. 26, 1977
Thaddaus Kraus, Triesen, LI;
Abstract
A pump for the treatment of gases with a sorbent material in an evacuated chamber comprises a housing which has a plurality of stacked plates which define a continuous upwardly extending path for the sorbent material which is made up of successive spirals. At least some of the spirals are spaced vertically apart to define a sorption zone permitting the passage of gases to be treated over the sorbent material. In addition the stacked plates also define a closed path in the housing leading from the sorption zone and out of the housing for discharing desorbed gases. The housing is vibrated by a vibration drive applied to effect upward movement of the sorbent material and a downcomer pipe or return pipe extends through the plates for returning the sorbent material from the upper portion of the path back to the location of the bottom of the sorbent material path. The sorbent material is continuously moved upwardly through the housing on the plates by vibrating the housing to effect such movement. Gases are circulated over the sorbent material for their treatment as the sorbent material is moved upwardly along the path and subsequently returned back to the lower portion of the path.