EP 0024133 A1 19810225 - Air supply units.
Title (en)
Air supply units.
Title (de)
Luftversorgungseinheiten.
Title (fr)
Unités pour l'alimentation en air.
Publication
Application
Priority
GB 7926399 A 19790728
Abstract (en)
A main casing (34) contains a centrifugal fan, a filter unit (12) upstream, and a duct (14) downstream for guiding air to a face mask. There is a centre plate (36) to which a motor, the fan, a battery (20) etc. are secured. A back plate (32) is removable to provide access to the electrical components. The filter unit (12) is held in position by an apertured cap (24).
IPC 1-7
IPC 8 full level
B01D 46/10 (2006.01); A62B 9/00 (2006.01); A62B 15/00 (2006.01); A62B 18/00 (2006.01)
CPC (source: EP)
A62B 15/00 (2013.01); A62B 18/006 (2013.01)
Citation (search report)
- FR 782137 A 19350528 - WONDER
- FR 785223 A 19350805 - CELA HOLDING S A
- US 3078845 A 19630226 - KOHLMEYER WILBUR F
- US 3584314 A 19710615 - HOBSON WILLIS S
- US 3657740 A 19720418 - CIALONE ARMANDO A
- [A] DE 2612877 A1 19771006 - KERNFORSCHUNG GMBH GES FUER
- [A] DE 2823446 A1 19781214 - HAUFF WOLFGANG
- [A] DE 1979478 U 19680222 - GOESMANN FRANZ [DE]
- [A] BE 555402 A 19570315
- [A] US 2688962 A 19540914 - SUMMERS MAURICE R
- [A] US 3413972 A 19681203 - DEPPING CARL L
- [A] US 3649964 A 19720321 - SCHOELZ WILLY A E, et al
- [A] US 3736927 A 19730605 - MISAQI F
- [A] US 3822698 A 19740709 - GUY R
Designated contracting state (EPC)
BE CH DE FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0024133 A1 19810225; EP 0024133 B1 19840613; DE 3068194 D1 19840719; JP S5620470 A 19810226
DOCDB simple family (application)
EP 80302546 A 19800725; DE 3068194 T 19800725; JP 10256980 A 19800728