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:
Apr. 06, 2021
Filed:
Jan. 22, 2016
Zehnder Group International, Granichen, CH;
Sympatex Technologies Gmbh, Unterfohring, DE;
Christian Hirsch, Eibenstock, DE;
Stefan Brandt, Haar, DE;
Christian Bier, Miesbach, DE;
Martin Mayershofer, Scheuring, DE;
Zehnder Group International AG, Granichen, CH;
Abstract
The present invention provides enthalpy exchanger elements (E, E') and enthalpy exchangers comprising such elements. Furthermore, the invention discloses a method for producing such enthalpy exchanger elements and enthalpy exchangers, comprising the steps of a) providing an air-permeable sheet element (); b) laminating at least one side () of the sheet element () with a thin polymer film () with water vapor transmission characteristics; and c) forming the laminated sheet element () into a desired shape exhibiting a three-dimensional corrugation pattern (, . . . ).