Electric resistance heating devices – Heating devices – Vaporizer
Patent
1997-06-06
2000-02-29
Paik, Sam
Electric resistance heating devices
Heating devices
Vaporizer
137430, 73305, F24F 314, F16K 3118
Patent
active
060319682
ABSTRACT:
A humidifying system particularly for incubators and a process for humidifying incubators is disclosed. The system includes a float valve with a sleeve-shaped float housing with a float body axially displaceable therein as well as a throttle valve influencing the flow of liquid. The throttle valve is actuated depending on the relative movement of the float body in relation to the float housing, and by the external diameter of the float body and the internal diameter of the float housing being selected to be such that a capillary gap wetted with liquid is present. With this construction, the reference level for the setting of the liquid level remains unchanged due to the float valve being designed as a hollow float body axially displaceable in a float housing with a liquid-filled, annular capillary gap between the float body and the float housing.
REFERENCES:
patent: 1019603 (1912-03-01), Cornett et al.
patent: 1032704 (1912-07-01), Risberg
patent: 1193683 (1916-08-01), Glanz, Jr.
patent: 1219567 (1917-03-01), Leitch
patent: 2302528 (1942-11-01), Conklin
patent: 2883511 (1959-04-01), Gooldy
patent: 4905726 (1990-03-01), Kasugai et al.
patent: 5195515 (1993-03-01), Levine
Dragerwerk AG
Paik Sam
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