TEMPERATURE LIMITED HEATER UTILIZING NON-FERROMAGNETIC CONDUCTOR

申请公布号：EA014258(B1)

申请号：EA20070002302

申请日期：2006.04.21

申请公布日期：2010.10.29

申请人：

SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

发明人：HARRRIS CHRISTOPHER, KELVIN;VINEGAR HAROLD, J.

分类号：E21B36/04;E21B43/24

主分类号：E21B36/04

摘要：A heater is described. The heater includes a ferromagnetic conductor (242) and an electrical conductor (244) electrically coupled to the ferromagnetic conductor. The ferromagnetic conductor is positioned relative to the electrical conductor such that an electromagnetic field produced by- time-varying current flow in the ferromagnetic conductor confines a majority of the flow of the electrical current to the electrical conductor at temperatures below or near a selected temperature.

FIXING STRUCTURE BETWEEN STEEL PIPE AND CONCRETE

HEAT-SHRINKABLE AROMATIC POLYESTER RESIN TUBE AND COATED INORGANIC MATERIAL PRODUCT

LUBRICANT FOR METAL WORKING

PEELING METHOD AND PEELING DEVICE FOR METAL-RESIN JUNCTION

BRAZING METHOD FOR PLATE FIN TYPE HEAT EXCHANGER

CELL AGGREGATE

THIN LITHIUM CELL AND MANUFACTURING METHOD OF THE SAME

FORMATION AND MOUNTING METHOD OF LITHIUM FLAKE, AND MANUFACTURING METHOD OF BATTERY

SURFACE-TREATED METALLIC SHEET WITH SUPERB CORROSION RESISTANCE, CONDUCTIVITY AND WELDABILITY, AND SURFACE TREATING AGENT

SEALING STRUCTURE OF BATTERY, AND MOUNTING BOARD OF THIS BATTERY

MAGNETIC TORQUE INDUCTION CONVERTER AND EQUIPMENT COMPRISING THE SAME

WIRELESS RELAY METHOD AND APPARATUS THEREOF

HEAT EXCHANGER

ORNAMENTAL STRUCTURE OF CHILD BICYCLE

COMPOSITE TUBE WITH IMPROVED MOISTURE EVAPORATION PREVENTING CAPACITY

DEVELOPING APPARATUS AND DEVELOPING METHOD

POLYAMIDE RESIN COMPOSITION

LEADLESS CHIP CARRIER

THERMOPLASTIC RESIN COMPOSITION

SOLID STATE IMAGE PICKUP DEVICE AND ITS SIGNAL READOUT METHOD