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.)
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
F23L11/00—Arrangements of valves or dampers after the fire
F23L11/02—Arrangements of valves or dampers after the fire for reducing draught by admission of air to flues
Vorrichtung zur Verhinderung zu grosser Auslassgeschwindigkeit des Gases aus einer Sauerstoffflasche oder sonstigen unter hohem Druck stehenden Behaeltern