Patent · US Expired

Rotary disk filter

US6231761A · kind A · utility

39Cited by

9References

9Claims

0Family size

Assignee

Hydrotech Nils-Ake Persson Aktiebolag · SE

Inventors

Anders Mohlin · Kungsbacka, SE
Ake Ralvert · Hässleholm, SE

Key dates

Filing date	Jun 9, 2000
Grant date	May 15, 2001
Priority date	—
Expiry date	Jun 9, 2020

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D33/463
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A rotary disk filter comprises a rotatable drum (2) and at least one disk-shaped filter member (10), which on the outside of the drum extends outwards in the transverse direction of the drum. The filter member (10) has a filter support unit (40) and a filter portion (21) supported thereby. A liquid duct (6) extends from the drum (2) through the filter member (10) and out through the filter portion (21). The filter portion is formed of at least one filter segment (20) which comprises a filter frame (22) and a filter cloth (21) expanded by the frame. The filter segment (20) is detachably secured to the filter support unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.