GB2112229B - Electric heaters - Google Patents

Electric heaters

Info

Publication number: GB2112229B
Authority: GB; United Kingdom
Prior art keywords: electric heaters; heaters; electric
Prior art date: 1981-12-24
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

GB08138876A

Other versions

GB2112229A (en

Inventor

Edwin Eric Stokes

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.)

UNITED GAS IND PLC

Original Assignee

UNITED GAS IND PLC

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.)

1981-12-24

Filing date

1981-12-24

Publication date

1985-07-31

1981-12-24 Application filed by UNITED GAS IND PLC filed Critical UNITED GAS IND PLC

1981-12-24 Priority to GB08138876A priority Critical patent/GB2112229B/en

1983-07-13 Publication of GB2112229A publication Critical patent/GB2112229A/en

1985-07-31 Application granted granted Critical

1985-07-31 Publication of GB2112229B publication Critical patent/GB2112229B/en

Status Expired legal-status Critical Current

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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0288—Applications for non specified applications
- 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)

GB08138876A 1981-12-24 1981-12-24 Electric heaters Expired GB2112229B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08138876A GB2112229B (en)	1981-12-24	1981-12-24	Electric heaters

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB08138876A GB2112229B (en)	1981-12-24	1981-12-24	Electric heaters

Publications (2)

Publication Number	Publication Date
GB2112229A GB2112229A (en)	1983-07-13
GB2112229B true GB2112229B (en)	1985-07-31

Family

ID=10526831

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08138876A Expired GB2112229B (en)	1981-12-24	1981-12-24	Electric heaters

Country Status (1)

Country	Link
GB (1)	GB2112229B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2329769A (en) *	1997-09-24	1999-03-31	Ceramaspeed Ltd	Electric heater control
GB2408158A (en) *	2003-11-11	2005-05-18	Darren O'connor	AC electrical heating element energy saving control circuit
CN102226567B (en) *	2011-04-02	2013-10-09	广州华凌空调设备有限公司	Electric heating device of air conditioner and control method thereof

1981
- 1981-12-24 GB GB08138876A patent/GB2112229B/en not_active Expired

Also Published As

Publication number	Publication date
GB2112229A (en)	1983-07-13

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Legal Events

Date	Code	Title	Description
1996-08-14	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19951224