Electric resistance heating devices – Heating devices – Fluid-in-circuit type heater
Patent
1991-04-17
1994-10-25
Bartis, Anthony
Electric resistance heating devices
Heating devices
Fluid-in-circuit type heater
219517, 392401, H05B 102, F22B 130, F24F 602
Patent
active
053596927
ABSTRACT:
The invention relates to a steam generator for humidifying an airplane air conditioning system. The steam is generated in a container (21). A support (50) enables a translational movement of a tubular part (49) connectable to a duct of a humidifier along the main axis of the container (21) in order to connect it with the outlet opening (24) of the container (21). Inside container (21), there are at least two electrodes (31, 32, 33) that are partially immersed in water and which are energized under a constant voltage up to a certain level of current in electrodes (31, 32, 33). Also, container (21) includes a fuse 38 with one end connected to a first of the terminals, the other end of the fuse being of the connected to one of the electrodes (31, 32, 33). A regulating unit (60) measures and maintains the intensity that current passing through electrodes (31, 32, 33). At the time of the installation of a new container, the regulating unit (60) determines whether the fuse (38) is or is not conductive. If the fuse is conductive, a current is sent through it to burn it out allowing the steam generator to be started. If not, the steam generator cannot be started until a new unused container having a conductive fuse is installed.
REFERENCES:
patent: 3219796 (1965-11-01), Graf et al.
patent: 3937920 (1976-02-01), Gundacker et al.
patent: 4146775 (1979-03-01), Kirchner et al.
patent: 4262191 (1981-04-01), Lepper et al.
patent: 4347430 (1982-08-01), Howard-Leicester et al.
patent: 4792660 (1988-12-01), Cooley et al.
patent: 4841122 (1989-06-01), Marton
Alix Guy-Paul
Kohler Marc
Bartis Anthony
Industrielle du Ponant SA
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