Title (en)

Electrostatic air filter.

Title (de)

Elektrostatischer Luftfilter.

Title (fr)

Filtre d'air électrostatique.

Publication

EP 0229857 A1 19870729 (EN)

Application

EP 85307976 A 19851104

Priority

EP 85307976 A 19851104

Abstract (en)

An air filter for the removal of dust comprises two outside frames (1,2) supporting metallic screens (3,4), a centre frame (14) supporting an inside screen (13), a high voltage supply box (5), and removable fibrous pads (16). The outside frames (1,2) comprise hollow members held together by fitting rigid right angled corner members therein.

IPC 1-7

B03C 3/14; B03C 3/72; B03C 3/32

IPC 8 full level

B03C 3/155 (2006.01); B03C 3/32 (2006.01); B03C 3/72 (2006.01)

CPC (source: EP)

B03C 3/155 (2013.01); B03C 3/32 (2013.01); B03C 3/72 (2013.01)

Citation (search report)

• [YD] CA 1175754 A 19841009 - JOANNOU CONSTANTINOS J
• [Y] US 3073094 A 19630115 - LANDGRAF GEORGE F, et al
• [A] US 3509696 A 19700505 - THOMPSON JOSEPH L
• [A] DE 2028153 A1 19711014 - INST ZA AERODINAMICKA I TERMOD

Designated contracting state (EPC)

AT BE DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0229857 A1 19870729

DOCDB simple family (application)

EP 85307976 A 19851104