EP 0055665 B1 19841128 - PROCESS FOR AVOIDING HEAT DAMAGE TO THE MOTOR OF AN EMERGENCY SMOKE EXTRACTOR VENTILATOR, AND APPARATUS FOR THE REALIZATION OF THAT PROCESS
Title (en)
PROCESS FOR AVOIDING HEAT DAMAGE TO THE MOTOR OF AN EMERGENCY SMOKE EXTRACTOR VENTILATOR, AND APPARATUS FOR THE REALIZATION OF THAT PROCESS
Publication
Application
Priority
FR 8027915 A 19801231
Abstract (en)
[origin: ES8300955A1] A protective cover for an exhaust fan motor or the like actuable to withdraw the same by normally restrained positive pressure from the motor upon the monitoring of hot fumes representing a fire, thereby to expose the motor to a cooling environment little different from or substantially the same as that of its normal operation.
IPC 1-7
IPC 8 full level
A62C 3/00 (2006.01); F04D 29/58 (2006.01); F24F 7/007 (2006.01); F24F 7/02 (2006.01)
CPC (source: EP US)
A62C 3/14 (2013.01 - EP US); F24F 7/025 (2013.01 - EP US); F24F 11/34 (2017.12 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0055665 A1 19820707; EP 0055665 B1 19841128; AT E10435 T1 19841215; DE 3167513 D1 19850110; ES 507655 A0 19821101; ES 8300955 A1 19821101; FR 2497299 A1 19820702; FR 2497299 B1 19830121; US 4494450 A 19850122
DOCDB simple family (application)
EP 81402059 A 19811223; AT 81402059 T 19811223; DE 3167513 T 19811223; ES 507655 A 19811203; FR 8027915 A 19801231; US 33210481 A 19811218