GB1286815A - Improvements in and relating to electrical resistance elements - Google Patents

Improvements in and relating to electrical resistance elements

Info

Publication number
GB1286815A
GB1286815A GB5214569A GB5214569A GB1286815A GB 1286815 A GB1286815 A GB 1286815A GB 5214569 A GB5214569 A GB 5214569A GB 5214569 A GB5214569 A GB 5214569A GB 1286815 A GB1286815 A GB 1286815A
Authority
GB
United Kingdom
Prior art keywords
resistor
clay
fluid
binder
resistors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5214569A
Inventor
Albert Graham Adwick
Henry Nicholson
Robert Leslie Galloway
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Morganite Resistors Ltd
Original Assignee
Morganite Resistors Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Morganite Resistors Ltd filed Critical Morganite Resistors Ltd
Priority to SE1602469A priority Critical patent/SE361548B/xx
Priority to FR6940376A priority patent/FR2024168A1/en
Priority to CH1753169A priority patent/CH502743A/en
Priority to JP9398869A priority patent/JPS5417154B1/ja
Priority to US82683A priority patent/US3688242A/en
Publication of GB1286815A publication Critical patent/GB1286815A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/14—Conductive material dispersed in non-conductive inorganic material
    • H01B1/18—Conductive material dispersed in non-conductive inorganic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/08—Cooling, heating or ventilating arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/001—Mass resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/165—Details concerning the impedances
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor

Abstract

1286815 Fluid heating element MORGANITE RESISTORS Ltd 24 Nov 1969 [25 Nov 1968 24 Oct 1969] 55865/68 and 52145/69 Heading H5H A fluid heating element comprises a selfsupport porous resistor permeable to fluid formed from an agglomeration of particles formed of at least two materials which have different electrical resistivities. The materials may be clay and carbon mixed in varying proportions to give a desired electrical resistance and held together by a non-vitreous, e.g. a temporary volatile or combustible, binder. The higher resistance material may be particles of calcined clay, flints, zirconia, talc, alumina or mixtures of these, the lower resistivity material may be carbon, and the binder may be ball clay, china clay, bentonite or their mixtures. The constituents are mixed together, with or without water, and fired in a non-oxidizing or reducing atmosphere at a temperature between 1000‹ and 1600‹ C. after being shaped by dry pressing, moulding or extrusion. The mixture is preferably granulated and sieved prior to shaping to produce the desired porosity. A suitable temporary binder for the dry mix is ethylene glycol. Terminals are formed by spraying nickel on the resistor. The resistor may be cylindrical, and if hollow, fluid flows through it from one cylindrical surface to the other. Alternatively the resistor may be in the form of a thick disc with one terminal at its centre and the other encircling its periphery, fluid passing axially through the disc. One or more surfaces of the resistor may be coated with thermal insulation formed by a mixture of the materials forming the resistor per se, but with the high resistivity component predominent. The or several resistors may be shunted across the contacts of an oil-immersed circuit breaker, to dissipate the energy on opening. They are threaded on an insulating rod to give a 15 ohm value for circuitbreakers in 5 to 6 kv. supplies. The resistors preferably have an anti-tracking coating.
GB5214569A 1968-11-25 1968-11-25 Improvements in and relating to electrical resistance elements Expired GB1286815A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE1602469A SE361548B (en) 1968-11-25 1969-11-21
FR6940376A FR2024168A1 (en) 1968-11-25 1969-11-24 Electrical resistance
CH1753169A CH502743A (en) 1968-11-25 1969-11-25 Electrical resistance element
JP9398869A JPS5417154B1 (en) 1968-11-25 1969-11-25
US82683A US3688242A (en) 1969-10-24 1970-10-21 Shunt for oil-immersed circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5586568 1968-11-25

Publications (1)

Publication Number Publication Date
GB1286815A true GB1286815A (en) 1972-08-23

Family

ID=10475075

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5214569A Expired GB1286815A (en) 1968-11-25 1968-11-25 Improvements in and relating to electrical resistance elements

Country Status (1)

Country Link
GB (1) GB1286815A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982068A (en) * 1979-06-14 1991-01-01 United Kingdom Atomic Energy Authority Fluid permeable porous electric heating element
WO2013113703A1 (en) * 2012-01-31 2013-08-08 E.G.O. Elektro-Gerätebau GmbH Heating device, use of such a heating device and production method
CN109070189A (en) * 2016-03-25 2018-12-21 依玛斯矿物美国公司 Composition and its application method in sand casting
CN112153911A (en) * 2018-06-14 2020-12-29 菲利普莫里斯生产公司 Aerosol-generating device with heating coating

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982068A (en) * 1979-06-14 1991-01-01 United Kingdom Atomic Energy Authority Fluid permeable porous electric heating element
WO2013113703A1 (en) * 2012-01-31 2013-08-08 E.G.O. Elektro-Gerätebau GmbH Heating device, use of such a heating device and production method
CN109070189A (en) * 2016-03-25 2018-12-21 依玛斯矿物美国公司 Composition and its application method in sand casting
EP3433035A4 (en) * 2016-03-25 2019-08-28 Imerys Minerals USA, Inc. Compositions and methods of use thereof in sandcasting
US10994326B2 (en) 2016-03-25 2021-05-04 Imerys Usa, Inc. Compositions and methods of use thereof in sandcasting
CN112153911A (en) * 2018-06-14 2020-12-29 菲利普莫里斯生产公司 Aerosol-generating device with heating coating
US11930849B2 (en) 2018-06-14 2024-03-19 Philip Morris Products S.A. Aerosol-generating device with heating coating

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee