Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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PERROT FRANCE
Original Assignee
PERROT FRANCE
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Application filed by PERROT FRANCEfiledCriticalPERROT FRANCE
Priority to FR7408781ApriorityCriticalpatent/FR2263462A1/fr
Publication of FR2263462A1publicationCriticalpatent/FR2263462A1/fr
Application grantedgrantedCritical
Publication of FR2263462B3publicationCriticalpatent/FR2263462B3/fr
F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
F23L17/08—Tops for chimneys or ventilating shafts; Terminals for flues with coaxial cones or louvres
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Engineering & Computer Science
(AREA)
Chemical & Material Sciences
(AREA)
Combustion & Propulsion
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Ventilation
(AREA)
FR7408781A1974-03-051974-03-05Deflector cowl for end of a chimney - has series of blades directing impinging air upwards
GrantedFR2263462A1
(en)
