Processing chamber with an air flow reverser

Details Processing chamber with an air flow reverser Processing chamber with an air flow reverser

1979-11-23

1982-01-12

Nilson, Robert G.

Fluid handling

Systems

Closed circulating system

34191, 137601, F26B 2104

Patent

active

043100201

ABSTRACT:
An air flow reverser apparatus for use in association with an air flow system having air supply and return port means, said apparatus comprising a main supply duct, and a main return duct, said ducts being connectable to said respective supply and return port means of said air flow system, at least two branch supply ducts communicating with said main supply duct, at least two branch return ducts communicating with said main return duct, supply damper means for selectively shutting off at least one of said branch supply ducts, while leaving at least one said branch supply duct open, return damper means for selectively shutting off at least one of said branch return ducts while leaving at least one said branch return duct open, and means interconnecting said supply and return damper means whereby when a selected one of said branch supply ducts is closed, a selected one of said branch return ducts is open, and power operated means for moving the same from one position to another simultaneously.

REFERENCES:
patent: 1848811 (1932-03-01), Welch
patent: 2078515 (1937-04-01), Sutherland
patent: 2311824 (1943-02-01), Gautreau
patent: 2347601 (1944-04-01), Jackson
patent: 2370886 (1945-03-01), Solberg

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