Stoves and furnaces – Heaters – Frictional
Patent
1983-08-16
1986-05-27
Green, Randall L.
Stoves and furnaces
Heaters
Frictional
F24C 900
Patent
active
045909180
ABSTRACT:
A heat generating apparatus by use of multistage rotary means comprises a tubular casing having an air suction inlet and an air discharge outlet, and two or more rotary means disposed on a multistage manner in said tubular casing. An air friction heat generating area is formed in a slight gap of a rotation area of each rotary means and a suctioned air is heated on each stage level while reducing or pressurizing the air pressure within the chamber at a continuously balanced level.
REFERENCES:
patent: 1161117 (1915-11-01), Ehrhart
patent: 2434804 (1948-01-01), Lagercrantz
patent: 2683448 (1954-07-01), Smith
patent: 4004553 (1977-01-01), Stenstrom
patent: 4025225 (1977-05-01), Durant
patent: 4319408 (1982-03-01), Kuboyama
Green Randall L.
Morrison Thomas R.
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