GB1156523A - Self-Regulating Thermal Apparatus and Method - Google Patents
Self-Regulating Thermal Apparatus and MethodInfo
- Publication number
- GB1156523A GB1156523A GB3126866A GB3126866A GB1156523A GB 1156523 A GB1156523 A GB 1156523A GB 3126866 A GB3126866 A GB 3126866A GB 3126866 A GB3126866 A GB 3126866A GB 1156523 A GB1156523 A GB 1156523A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heating
- heater
- july
- tubes
- self
- 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
- 238000010438 heat treatment Methods 0.000 abstract 4
- 235000014121 butter Nutrition 0.000 abstract 2
- 238000005485 electric heating Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 239000006229 carbon black Substances 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 229920003020 cross-linked polyethylene Polymers 0.000 abstract 1
- 239000004703 cross-linked polyethylene Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating 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—Heating 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
- H05B3/146—Conductive polymers, e.g. polyethylene, thermoplastics
-
- 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
- H01C7/02—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 having positive temperature coefficient
- H01C7/027—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 having positive temperature coefficient consisting of conducting or semi-conducting material dispersed in a non-conductive organic material
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Resistance Heating (AREA)
Abstract
1156523 Electric heating resistors TEXAS INSTRUMENTS Inc 12 July 1966 [15 July 1965] 31268/66 Headings A4A B1 and B2 [Also in Division H1] A self-regulating electric heating device includes a steep-sloped (above the anomaly point) positive temperature coefficient heating resistor, e.g. of carbon black filled, cross-linked polyethylene, which is ductile, machineable, mouldable, extruable and thus formable to desired configurations. Such a heater element 12, with electrically conductive, e.g. silver, layers 14 and 16 and an encasing electrical and thermal insulation 18, of a material such as polyethylene, having a similar thermal expansion coefficient, forms a butter dish 10 for maintaining butter at a predetermined temperature. Such a utensil may have a plurality of such heater elements, see Figs.2, 3 (not shown), and they may be selectively energizable and have different anomaly point temperatures. The heating elements are used in fluid heaters 80 for heating tubes 84, which may be open at both ends for passage of fluid therethrough, e.g. as in hair driers or heat guns. Alternatively, the tubes 84 may be sealed at one end for heating various ingredients therein. A voltage is impressed between copper conductors 86 and 88 to cause current flow through element 82, see also Fig.5 (not shown), in a direction generally parallel to the longitudinal axis of the heater.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US472108A US3413442A (en) | 1965-07-15 | 1965-07-15 | Self-regulating thermal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1156523A true GB1156523A (en) | 1969-06-25 |
Family
ID=23874235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3126866A Expired GB1156523A (en) | 1965-07-15 | 1966-07-12 | Self-Regulating Thermal Apparatus and Method |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB1156523A (en) |
| NL (1) | NL6609900A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2946799A1 (en) * | 1979-11-20 | 1981-05-21 | Siemens AG, 1000 Berlin und 8000 München | Heating element with PTC honeycomb body - made from small extruded ceramic pipes sintered together and having current supply points on opposite faces |
-
1966
- 1966-07-12 GB GB3126866A patent/GB1156523A/en not_active Expired
- 1966-07-14 NL NL6609900A patent/NL6609900A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2946799A1 (en) * | 1979-11-20 | 1981-05-21 | Siemens AG, 1000 Berlin und 8000 München | Heating element with PTC honeycomb body - made from small extruded ceramic pipes sintered together and having current supply points on opposite faces |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6609900A (en) | 1967-01-16 |
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