Stoves and furnaces – Stove hoods
Patent
1984-07-06
1986-05-06
Joyce, Harold
Stoves and furnaces
Stove hoods
98 36, F21C 1508, F23J 1100
Patent
active
045864861
ABSTRACT:
Improved air flow characteristics are obtained in a ventilating hood of the make-up type used over cooking surfaces by providing an air distribution panel comprising a panel frame to which is mounted a duct which serves to partition air flow between a first path exterior to the duct and a second path through said duct. A first air flow restricting screen is mounted to the panel frame externally of said duct for restricting air flow through the first flow path, and a second air flow restricting screen is mounted within said duct for restricting the air flow therethrough. The duct includes an internal wall surface which is angled towards the first flow path so as to direct air flow through the duct into merger with air flowing through the first flow path.
REFERENCES:
patent: 3517526 (1970-06-01), MacMaster et al.
patent: 3812684 (1974-05-01), Brown
patent: 4134394 (1979-01-01), Otenbaker
patent: 4186727 (1980-02-01), Kaufman et al.
patent: 4346692 (1982-08-01), McCauley
patent: 4475534 (1984-10-01), Moriarty
patent: 4484563 (1984-11-01), Fritz et al.
Joyce Harold
National Air Systems, Inc.
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