GB1260316A - Tubular heating elements and magnesia insulation therefor and method of production - Google Patents
Tubular heating elements and magnesia insulation therefor and method of productionInfo
- Publication number
- GB1260316A GB1260316A GB1854/69A GB185469A GB1260316A GB 1260316 A GB1260316 A GB 1260316A GB 1854/69 A GB1854/69 A GB 1854/69A GB 185469 A GB185469 A GB 185469A GB 1260316 A GB1260316 A GB 1260316A
- Authority
- GB
- United Kingdom
- Prior art keywords
- boron nitride
- additive
- mixture
- heating elements
- tubular heating
- 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
Links
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title abstract 4
- 238000010438 heat treatment Methods 0.000 title abstract 3
- 239000000395 magnesium oxide Substances 0.000 title abstract 2
- 238000009413 insulation Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 5
- 239000000654 additive Substances 0.000 abstract 4
- 229910052582 BN Inorganic materials 0.000 abstract 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 abstract 3
- 230000000996 additive effect Effects 0.000 abstract 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000454 talc Substances 0.000 abstract 1
- 229910052623 talc Inorganic materials 0.000 abstract 1
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
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
-
- 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—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/18—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49087—Resistor making with envelope or housing
- Y10T29/49089—Filling with powdered insulation
Landscapes
- Resistance Heating (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70247468A | 1968-02-01 | 1968-02-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1260316A true GB1260316A (en) | 1972-01-12 |
Family
ID=24821361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1854/69A Expired GB1260316A (en) | 1968-02-01 | 1969-01-13 | Tubular heating elements and magnesia insulation therefor and method of production |
Country Status (6)
Country | Link |
---|---|
US (1) | US3477058A (enrdf_load_stackoverflow) |
JP (1) | JPS49301B1 (enrdf_load_stackoverflow) |
DE (1) | DE1904873B2 (enrdf_load_stackoverflow) |
FR (1) | FR2001103A1 (enrdf_load_stackoverflow) |
GB (1) | GB1260316A (enrdf_load_stackoverflow) |
SE (1) | SE347598B (enrdf_load_stackoverflow) |
Families Citing this family (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3622755A (en) * | 1969-03-21 | 1971-11-23 | Gen Electric | Tubular heating elements and magnesia insulation therefor and method of production |
DE1921789C3 (de) * | 1969-04-29 | 1975-02-20 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Rohrfüllungen für elektrische Heizkörper |
US3658587A (en) * | 1970-01-02 | 1972-04-25 | Allegheny Ludlum Steel | Electrical insulation coating saturated with magnesium and/or calcium ions |
US3678435A (en) * | 1970-11-09 | 1972-07-18 | Allis Chalmers Mfg Co | Electrical resistor |
US3761859A (en) * | 1971-07-27 | 1973-09-25 | Philips Corp | Heating element having a high heating current |
DE2525441C3 (de) * | 1975-06-07 | 1981-04-16 | Dynamit Nobel Ag, 5210 Troisdorf | Elektrisch isolierende Füllung für einen elektrischen Rohrheizkörper |
JPS5227598A (en) * | 1975-08-28 | 1977-03-01 | Hitachi Heating Appliance Co Ltd | Carged material for a heating unit |
US4234786A (en) * | 1979-02-12 | 1980-11-18 | General Electric Company | Magnesia insulated heating elements and method of making the same |
WO1982004171A1 (fr) * | 1981-05-18 | 1982-11-25 | Naruo Noboru | Element chauffant blinde et procede de fabrication de celui-ci |
DE3272855D1 (en) * | 1981-05-19 | 1986-10-02 | Matsushita Electric Ind Co Ltd | A shielded heating element |
US5977519A (en) * | 1997-02-28 | 1999-11-02 | Applied Komatsu Technology, Inc. | Heating element with a diamond sealing material |
US7096953B2 (en) * | 2000-04-24 | 2006-08-29 | Shell Oil Company | In situ thermal processing of a coal formation using a movable heating element |
US6715546B2 (en) * | 2000-04-24 | 2004-04-06 | Shell Oil Company | In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore |
US6715548B2 (en) * | 2000-04-24 | 2004-04-06 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids |
WO2001081240A2 (en) * | 2000-04-24 | 2001-11-01 | Shell Internationale Research Maatschappij B.V. | In-situ heating of coal formation to produce fluid |
US20030075318A1 (en) * | 2000-04-24 | 2003-04-24 | Keedy Charles Robert | In situ thermal processing of a coal formation using substantially parallel formed wellbores |
US7011154B2 (en) | 2000-04-24 | 2006-03-14 | Shell Oil Company | In situ recovery from a kerogen and liquid hydrocarbon containing formation |
US20030085034A1 (en) * | 2000-04-24 | 2003-05-08 | Wellington Scott Lee | In situ thermal processing of a coal formation to produce pyrolsis products |
US6698515B2 (en) * | 2000-04-24 | 2004-03-02 | Shell Oil Company | In situ thermal processing of a coal formation using a relatively slow heating rate |
US6782947B2 (en) * | 2001-04-24 | 2004-08-31 | Shell Oil Company | In situ thermal processing of a relatively impermeable formation to increase permeability of the formation |
CN100545415C (zh) | 2001-04-24 | 2009-09-30 | 国际壳牌研究有限公司 | 现场处理含烃地层的方法 |
US6966374B2 (en) | 2001-04-24 | 2005-11-22 | Shell Oil Company | In situ thermal recovery from a relatively permeable formation using gas to increase mobility |
US6997518B2 (en) | 2001-04-24 | 2006-02-14 | Shell Oil Company | In situ thermal processing and solution mining of an oil shale formation |
US7077199B2 (en) | 2001-10-24 | 2006-07-18 | Shell Oil Company | In situ thermal processing of an oil reservoir formation |
CA2462971C (en) | 2001-10-24 | 2015-06-09 | Shell Canada Limited | Installation and use of removable heaters in a hydrocarbon containing formation |
US7090013B2 (en) | 2001-10-24 | 2006-08-15 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce heated fluids |
US7165615B2 (en) | 2001-10-24 | 2007-01-23 | Shell Oil Company | In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden |
US6969123B2 (en) | 2001-10-24 | 2005-11-29 | Shell Oil Company | Upgrading and mining of coal |
US7104319B2 (en) | 2001-10-24 | 2006-09-12 | Shell Oil Company | In situ thermal processing of a heavy oil diatomite formation |
CA2502843C (en) | 2002-10-24 | 2011-08-30 | Shell Canada Limited | Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
AU2004235350B8 (en) | 2003-04-24 | 2013-03-07 | Shell Internationale Research Maatschappij B.V. | Thermal processes for subsurface formations |
CN1946919B (zh) | 2004-04-23 | 2011-11-16 | 国际壳牌研究有限公司 | 降低油的粘度以进行从包含碳氢化合物的地层的生产 |
US7575052B2 (en) | 2005-04-22 | 2009-08-18 | Shell Oil Company | In situ conversion process utilizing a closed loop heating system |
AU2006306414B2 (en) | 2005-10-24 | 2010-08-05 | Shell Internationale Research Maatschappij B.V. | Solution mining methods for treating hydrocarbon-containing formations |
KR20090007453A (ko) | 2006-04-21 | 2009-01-16 | 쉘 인터내셔날 리써취 마트샤피지 비.브이. | 온도 제한 히터에서의 선택된 특성을 위한 조절용 합금 조성물 |
WO2008051831A2 (en) | 2006-10-20 | 2008-05-02 | Shell Oil Company | Heating hydrocarbon containing formations in a line drive staged process |
EP2142758A1 (en) | 2007-04-20 | 2010-01-13 | Shell Internationale Research Maatschappij B.V. | Parallel heater system for subsurface formations |
US7866386B2 (en) | 2007-10-19 | 2011-01-11 | Shell Oil Company | In situ oxidation of subsurface formations |
CA2718767C (en) | 2008-04-18 | 2016-09-06 | Shell Internationale Research Maatschappij B.V. | Using mines and tunnels for treating subsurface hydrocarbon containing formations |
US8881806B2 (en) | 2008-10-13 | 2014-11-11 | Shell Oil Company | Systems and methods for treating a subsurface formation with electrical conductors |
CA2758192A1 (en) | 2009-04-10 | 2010-10-14 | Shell Internationale Research Maatschappij B.V. | Treatment methodologies for subsurface hydrocarbon containing formations |
US9466896B2 (en) * | 2009-10-09 | 2016-10-11 | Shell Oil Company | Parallelogram coupling joint for coupling insulated conductors |
US8356935B2 (en) * | 2009-10-09 | 2013-01-22 | Shell Oil Company | Methods for assessing a temperature in a subsurface formation |
US8816203B2 (en) | 2009-10-09 | 2014-08-26 | Shell Oil Company | Compacted coupling joint for coupling insulated conductors |
US8485256B2 (en) | 2010-04-09 | 2013-07-16 | Shell Oil Company | Variable thickness insulated conductors |
US8739874B2 (en) | 2010-04-09 | 2014-06-03 | Shell Oil Company | Methods for heating with slots in hydrocarbon formations |
US8833453B2 (en) | 2010-04-09 | 2014-09-16 | Shell Oil Company | Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness |
US8631866B2 (en) | 2010-04-09 | 2014-01-21 | Shell Oil Company | Leak detection in circulated fluid systems for heating subsurface formations |
US8939207B2 (en) | 2010-04-09 | 2015-01-27 | Shell Oil Company | Insulated conductor heaters with semiconductor layers |
US9033042B2 (en) | 2010-04-09 | 2015-05-19 | Shell Oil Company | Forming bitumen barriers in subsurface hydrocarbon formations |
US8943686B2 (en) | 2010-10-08 | 2015-02-03 | Shell Oil Company | Compaction of electrical insulation for joining insulated conductors |
US8857051B2 (en) | 2010-10-08 | 2014-10-14 | Shell Oil Company | System and method for coupling lead-in conductor to insulated conductor |
US8732946B2 (en) | 2010-10-08 | 2014-05-27 | Shell Oil Company | Mechanical compaction of insulator for insulated conductor splices |
US9016370B2 (en) | 2011-04-08 | 2015-04-28 | Shell Oil Company | Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment |
CA2832295C (en) | 2011-04-08 | 2019-05-21 | Shell Internationale Research Maatschappij B.V. | Systems for joining insulated conductors |
US20140138373A1 (en) * | 2011-06-29 | 2014-05-22 | Bosch Corporation | Ceramic heater-type glow plug |
JO3141B1 (ar) | 2011-10-07 | 2017-09-20 | Shell Int Research | الوصلات المتكاملة للموصلات المعزولة |
WO2013052561A2 (en) | 2011-10-07 | 2013-04-11 | Shell Oil Company | Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations |
JO3139B1 (ar) | 2011-10-07 | 2017-09-20 | Shell Int Research | تشكيل موصلات معزولة باستخدام خطوة اختزال أخيرة بعد المعالجة الحرارية. |
CN104011327B (zh) | 2011-10-07 | 2016-12-14 | 国际壳牌研究有限公司 | 利用地下地层中的绝缘导线的介电性能来确定绝缘导线的性能 |
AU2012367347A1 (en) | 2012-01-23 | 2014-08-28 | Genie Ip B.V. | Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation |
JP5216947B1 (ja) * | 2012-10-19 | 2013-06-19 | 株式会社岡崎製作所 | 極低温用測温抵抗体素子 |
CN108219508B (zh) * | 2018-02-07 | 2021-03-30 | 大石桥市美尔镁制品有限公司 | 一种防潮材料及其制备方法和应用 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2280517A (en) * | 1942-04-21 | Electrical insulation of modified | ||
US3201738A (en) * | 1962-11-30 | 1965-08-17 | Gen Electric | Electrical heating element and insulation therefor |
-
1968
- 1968-02-01 US US702474A patent/US3477058A/en not_active Expired - Lifetime
- 1968-12-27 SE SE17892/68A patent/SE347598B/xx unknown
-
1969
- 1969-01-13 GB GB1854/69A patent/GB1260316A/en not_active Expired
- 1969-01-29 FR FR6901734A patent/FR2001103A1/fr not_active Withdrawn
- 1969-01-31 DE DE1904873A patent/DE1904873B2/de not_active Withdrawn
- 1969-02-01 JP JP44007075A patent/JPS49301B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1904873A1 (de) | 1969-09-11 |
DE1904873B2 (de) | 1980-01-31 |
SE347598B (enrdf_load_stackoverflow) | 1972-08-07 |
FR2001103A1 (enrdf_load_stackoverflow) | 1969-09-26 |
US3477058A (en) | 1969-11-04 |
JPS49301B1 (enrdf_load_stackoverflow) | 1974-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |