EP 0645588 A1 19950329 - Multiple gas curtain.
Title (en)
Multiple gas curtain.
Title (de)
Mehrschichtiger Gasvorhang.
Title (fr)
Rideau multiple de gaz.
Publication
Application
Priority
NL 9301661 A 19930927
Abstract (en)
The invention relates to a method for keeping separated the gas atmospheres, for instance at the location of a passage opening in a building, comprising of forming a gas curtain, such as an air curtain, between the gas atmospheres, wherein the gas curtain is composed of a number of parallel gas flows which extend adjacently of each other. The gas curtain is composed of at least three gas flows with the same speed and direction which are differently conditioned. <IMAGE>
IPC 1-7
IPC 8 full level
F24F 9/00 (2006.01); F25D 23/02 (2006.01)
CPC (source: EP)
F24F 9/00 (2013.01); F25D 23/023 (2013.01); F24F 2009/007 (2013.01)
Citation (search report)
- [XA] US 3211078 A 19651012 - ASKER GUNNAR C F
- [X] EP 0447314 A1 19910918 - SGN SOC GEN TECH NOUVELLE [FR]
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0645588 A1 19950329; EP 0645588 B1 19991215; AT E187814 T1 20000115; DE 69422115 D1 20000120; DE 69422115 T2 20000413; ES 2139708 T3 20000216; GR 3032835 T3 20000731; NL 9301661 A 19950418
DOCDB simple family (application)
EP 94202691 A 19940919; AT 94202691 T 19940919; DE 69422115 T 19940919; ES 94202691 T 19940919; GR 20000400527 T 20000229; NL 9301661 A 19930927