EP 0197036 B1 19900307 - MEANS FOR CLEANING FILTERS IN WET AND DRY VACUUM CLEANERS
Title (en)
MEANS FOR CLEANING FILTERS IN WET AND DRY VACUUM CLEANERS
Publication
Application
Priority
FI 834633 A 19831216
Abstract (en)
[origin: WO8502528A1] A means for cleaning the filters (8, 9, 20) in wet and dry vacuum cleaners consisting of at least one motor (3, 4, 27), provided with a filter, in conjunction with the vacuum cleaner and drawing liquid, dust or equivalent substance into the tank (10) of the vacuum cleaner. In the means of the invention, for cleaning purposes a blowing circulation can be produced through the filter (8, 9, 20), which is opposite in direction to the normal direction in which the air passes through, using the own motor (3, 4, 27) of the vacuum cleaner.
IPC 1-7
IPC 8 full level
A47L 9/20 (2006.01)
CPC (source: EP)
A47L 9/20 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB LI LU NL SE
DOCDB simple family (publication)
WO 8502528 A1 19850620; CA 1260212 A 19890926; DE 3481476 D1 19900412; EP 0197036 A1 19861015; EP 0197036 B1 19900307; FI 71660 B 19861031; FI 71660 C 19901111; FI 834633 A0 19831216; FI 834633 A 19850617; IT 1178293 B 19870909; IT 8449305 A0 19841217; IT 8449305 A1 19850821
DOCDB simple family (application)
FI 8400095 W 19841214; CA 470227 A 19841214; DE 3481476 T 19841214; EP 85900117 A 19841214; FI 834633 A 19831216; IT 4930584 A 19840221