Rotary disc filter and module for constructing same

Patent metadata

Field	Value
Publication number	US-8961785-B2
Application number	US-201313765942-A
Country	US
Kind code	B2
Filing date	Feb 13, 2013
Priority date	Feb 27, 2003
Publication date	Feb 24, 2015
Grant date	Feb 24, 2015

Abstract

A rotary disc filter device includes a rotary drum and one or more disc-shaped filter members secured about the drum. Each disc-shaped filter member includes a filter and a filter support comprising a series of modules. The modules each include a base that is secured to the rotary drum and a support arm projecting outwardly from the base. The modules are interconnected and disposed around the rotary drum.

First claim

The invention claimed is:

1. A modular rotary disc filter for filtering a liquid, comprising:
a. a rotary drum for receiving the liquid and having a plurality of openings for permitting the liquid to flow from the drum;
b. a drive for rotatively driving the rotary drum;
c. one or more modular disc-shaped filter members secured around the drum for receiving the liquid from the drum and filtering the liquid;
d. each disc-shaped filter member including a plurality of modules th…

Assignees

• Danielsson Åke
• Ralvert Åke
• Svensson Emil
• Larsson Per
• Veolia Water Solutions & Tech

Inventors

• Danielsson Åke
• Ralvert Åke
• Svensson Emil
• Larsson Per

Classifications

• B01D33/23 Primary

  Operations & Transport · mapped topic

• B01D29/58 Primary

  Operations & Transport · mapped topic

• B01D33/21 Primary

  Operations & Transport · mapped topic

• B01D33/215 Primary

  Operations & Transport · mapped topic