EP 0622588 B2 20000308 - Shut-off device for conduits having a large cross-section, especially for power plant exhaust and flue gas conduits
Title (en)
Shut-off device for conduits having a large cross-section, especially for power plant exhaust and flue gas conduits
Title (de)
Absperrvorrichtung für Kanäle mit grossen Querschnitten, insbesondere für Abgas- und Rauchgaskanäle von Kraftwerken
Title (fr)
Dispositif d'obturation pour conduites avec grande section transversale, en particulier conduites pour gaz d'échappement et gaz de fumée d'une centrale
Publication
Application
Priority
DE 4313894 A 19930428
Abstract (en)
[origin: DE4313894C1] The invention relates to a duct housing having a sealing-air duct as a stop for a cut-off flap with a double seal around the peripheral edge for blowing in sealing air. The sealing-air duct is divided into sealing-air duct sections. The sealing-air duct sections form expansion joints between them and adjoin the duct housing in the longitudinal direction with a given freedom of movement. The expansion joints are bridged by internal tube sections which are inserted in the sealing-air duct sections with a sealing effect. The longitudinally movable sealing-air duct sections guarantee satisfactory compensation of the thermal expansions occurring as a result of temperature differences. <IMAGE>
IPC 1-7
IPC 8 full level
F23L 11/00 (2006.01)
CPC (source: EP)
F23L 11/00 (2013.01)
Designated contracting state (EPC)
AT BE FR GB NL
DOCDB simple family (publication)
DE 4313894 C1 19940818; AT 141400 T 19960815; EP 0622588 A2 19941102; EP 0622588 A3 19950405; EP 0622588 B1 19960814; EP 0622588 B2 20000308
DOCDB simple family (application)
DE 4313894 A 19930428; AT 94104821 T 19940326; EP 94104821 A 19940326