Patent
1975-12-03
1977-08-23
Capossela, Ronald C.
98115LH, 55DIG18, F24F 700
Patent
active
040432572
ABSTRACT:
Exhaust from a limited zone lying on the axis of a cylindrical exhaust duct and spaced from an unobstructed entrance opening of the duct is produced by injecting a flow of air radially outward from a circumferentially extending aperture surrounding the entrance to the exhaust duct while at the same time sucking air through the unobstructed opening of the exhaust duct.
REFERENCES:
patent: 3557681 (1971-01-01), Kristiansen
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