Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1987-07-06
1988-05-10
Joyce, Harold
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
98 15, 98 10, 98 345, 2441185, B64D 1300
Patent
active
047427604
ABSTRACT:
A ventilation system for clearing gaseous and particulate contaminants such as cigarette smoke and metabolic exhalants from an aircraft cabin. The ventilation system is disclosed in two embodiments, the first having an overhead discharge duct (84) through which supply air is provided to the interior of the cabin (12) and discharge nozzles (78) disposed adjacent the lower portion of the inwardly extending end of storage bins (20) through which supply air is discharged toward the sidewalls (14) of the cabin. Air is exhausted from the cabin through exhaust air ducts (40) disposed immediately below the point where the storage bins attach to the sidewalls. In addition, air is recirculated from the cabin through recirculation air ducts (30) disposed adjacent the floor of the cabin. Relatively contaminated air is thus swept by the supply airflow directly into the exhaust air ducts for venting outside the aircraft, while cleaner air is recirculated back to the supply air ducts for ventilation of the cabin. In a second embodiment, the supply air is provided through discharge ducts (177) disposed immediately above the overhead storage bins (120 ) and contaminated air is exhausted through an exhaust slot (141) disposed on the lower surface of the storage bins. In each embodiment, the contaminated air is swept immediately into the exhaust duct without significant recirculation and mixing with the air that is returned to ventilate the cabin.
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Horstman Raymond H.
Monda Damian G.
Peash Douglas E.
Yorozu Arthur S.
Joyce Harold
The Boeing Company
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