Ventilation – Vehicle – Aircraft
Patent
1996-03-15
1997-12-09
Joyce, Harold
Ventilation
Vehicle
Aircraft
454 71, B64D 1306
Patent
active
056953968
ABSTRACT:
An air supply system for an aircraft cabin reduces the concentration of contaminations of the air in the cabin by a flexibly controllable valve system that comprises pairs of valves which on the one hand are ganged to respective air openings. One valve of a pair is connected to a fresh air or mixed air supply line. The other valve of a pair is connected to a suction or exhaust duct. Thus, depending on which valve in a pair is open and which is closed, the respective air opening can function as an air outlet for supply of mixed or fresh air into the cabin or as a suction port. Such a system permits a flexible volume control of the supply of fresh air into selectable cabin sections as well as a flexible volume control for the removal of used air from respective cabin sections. Additionally, it is now possible to increase the size of the non-smoking section at the expense of the smoking section or vice versa simply by a respective valve control.
REFERENCES:
patent: 3173275 (1965-03-01), Urian
patent: 4033247 (1977-07-01), Murphy
patent: 4742760 (1988-05-01), Horstman et al.
patent: 5261855 (1993-11-01), Law et al.
patent: 5516330 (1996-05-01), Dechow et al.
Markwart Michael
Petry Klaus
Scherer Thomas
Daimler-Benz Aerospace Airbus GmbH
Fasse W. F.
Fasse W. G.
Joyce Harold
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