ELECTRICAL HEATER

A heater is disclosed which comprises an electrical insulating material surrounding an annular heating element configuration; wherein there is no casing surrounding an annular heating element configuration.

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	WELLINGTON, SCOTT LEE, VINEGAR, HAROLD J, DE ROUFFIGNAC, ERIC, BIELAMOWICZ, LAWRENCE JAMES
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A heater is disclosed which comprises an electrical insulating material surrounding an annular heating element configuration; wherein there is no casing surrounding an annular heating element configuration.