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:
Oct. 15, 2019
Filed:
Oct. 18, 2013
Gea Process Engineering A/s, Søborg, DK;
Jens Ulrik Nielsen, Søborg, DK;
Thomas Filholm, Hellerup, DK;
Troels O. J. P. Berg, Copenhagen NV, DK;
Thomas Willum Jensen, Værløse, DK;
GEA Process Engineering A/S, Søborg, DK;
Abstract
In a spray drying apparatus, comprising in a usual manner a drying chamber, an air disperser, and at least one pressure nozzle arrangement (), means are provided for emptying the feed in the nozzle arrangement(s) () after the supply of feed from a feed system () is halted and before the nozzle arrangement(s) () are removed from the drying chamber and positioned in a cleaning system (). The emptying takes place while maintaining atomization in the nozzle arrangement (). The feed emptying system () comprises a pump (), a pressurized air/gas source () and a conduit (), and the spray drying apparatus at least one valve () allowing switching from the feed system () to the feed emptying system ().