GB908530A - Improvements in controlled electric heating devices - Google Patents
Improvements in controlled electric heating devicesInfo
- Publication number
- GB908530A GB908530A GB2987/61A GB298761A GB908530A GB 908530 A GB908530 A GB 908530A GB 2987/61 A GB2987/61 A GB 2987/61A GB 298761 A GB298761 A GB 298761A GB 908530 A GB908530 A GB 908530A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heater
- resistor
- flash heating
- series
- circuit
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
- G05D23/1913—Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Resistance Heating (AREA)
- Cookers (AREA)
Abstract
908,530. Electrically heated bailing plates. LICENTIA PATENT-VERWALTUNG G.m.b.H. Jan. 25, 1961, No. 2987/61. Class 39 (3). [Also in Group XXXV] A circuit for flash heating and subsequently regulating a heating element 1 comprises a thermal regulator 2, 6, the heater 2 of which is series/parallel connected with resistors 4, 12 and a positive temperature coefficient resistor 3 in thermal relation with element 1. During the flash heating time overheating of the resistor 3 diverts more current into the heater 2 disconnecting the element 1. After the flash heating time delay switch contacts 11 unshunt and shunt respectively resistors 4, 12. Resistor 4 may be part of the heater 2, which heater may alternatively be parallel connected with resistor 12 and a switch in series. Contacts 7, 8 may be provided to open the circuit when the cooking time has expired. The timing mechanism may be of clockwork type.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2987/61A GB908530A (en) | 1961-01-25 | 1961-01-25 | Improvements in controlled electric heating devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2987/61A GB908530A (en) | 1961-01-25 | 1961-01-25 | Improvements in controlled electric heating devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB908530A true GB908530A (en) | 1962-10-17 |
Family
ID=9749779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2987/61A Expired GB908530A (en) | 1961-01-25 | 1961-01-25 | Improvements in controlled electric heating devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB908530A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2186128A (en) * | 1986-01-29 | 1987-08-05 | Morphy Ltd Richards | Bimetallic actuator |
US4755656A (en) * | 1986-03-12 | 1988-07-05 | Morphy Richards Limited | Toaster |
-
1961
- 1961-01-25 GB GB2987/61A patent/GB908530A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2186128A (en) * | 1986-01-29 | 1987-08-05 | Morphy Ltd Richards | Bimetallic actuator |
US4755656A (en) * | 1986-03-12 | 1988-07-05 | Morphy Richards Limited | Toaster |
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