PROTECTION TUBE FOR HIGH-VOLTAGE ELECTRIC HEATER AND METHOD FOR ELECTRIC TEST OF HIGH- VOLTAGE ELECTRIC HEATER

FIELD: electric engineering. SUBSTANCE: high-voltage electric heater is located in tube which is made from quartz material and is located inside external metal protection tube. Wall width in bottom region of quartz tube is not less than width of quartz tube wall in other regions. In addition transit...

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Hauptverfasser:	BERND KHAUSHILD, STEFFEN SHNAJDER
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	FIELD: electric engineering. SUBSTANCE: high-voltage electric heater is located in tube which is made from quartz material and is located inside external metal protection tube. Wall width in bottom region of quartz tube is not less than width of quartz tube wall in other regions. In addition transition region between hollow cylindrical end of quartz tube and bottom provides practically right angle. Bottom is made from separate quartz plate which is weld to open piece of quartz tube. Corresponding method for testing of electric heaters is based on possibility to simulate long-term use of article using combination of testing stages. EFFECT: increased functional capabilities, increased speed and decreased power consumption for testing each electric heater before shipping. 17 cl, 2 dwgn