Stepped concentric fire grate

Details Stepped concentric fire grate Stepped concentric fire grate

1979-05-18

1981-03-24

Yeung, James C.

Stoves and furnaces

Grates

Feeding air

126 25B, F23H 102

Patent

active

042573912

ABSTRACT:
A fire grate for holding particulate carbonaceous fuel such as sawdust and powdered coal consisting of stepped horizontally disposed and vertically spaced concentric grate members having center openings and defining a pyramidal structure. The grate is enclosed by the fuel which, by virtue of the stepped arrangement of the concentric grate members, is prevented from freely falling through the spaces between adjacent grate members.

REFERENCES:
patent: Re121 (1848-07-01), Morse et al.
patent: 753298 (1904-03-01), Nehse
patent: 1078071 (1913-11-01), Tait
patent: 1541649 (1925-06-01), Martin
patent: 2380630 (1945-07-01), Cross

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