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ZA944085B - Water heater control - Google Patents

Water heater control

Info

Publication number
ZA944085B
ZA944085B ZA944085A ZA944085A ZA944085B ZA 944085 B ZA944085 B ZA 944085B ZA 944085 A ZA944085 A ZA 944085A ZA 944085 A ZA944085 A ZA 944085A ZA 944085 B ZA944085 B ZA 944085B
Authority
ZA
South Africa
Prior art keywords
water heater
heater control
control
water
heater
Prior art date
Application number
ZA944085A
Inventor
Donald Albert Breakspear
Original Assignee
Donald Albert Breakspear
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 Donald Albert Breakspear filed Critical Donald Albert Breakspear
Publication of ZA944085B publication Critical patent/ZA944085B/en

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
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Resistance Heating (AREA)
ZA944085A 1993-06-11 1994-06-10 Water heater control ZA944085B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA934134 1993-06-11

Publications (1)

Publication Number Publication Date
ZA944085B true ZA944085B (en) 1995-02-06

Family

ID=25582937

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA944085A ZA944085B (en) 1993-06-11 1994-06-10 Water heater control

Country Status (3)

Country Link
AU (1) AU6933194A (en)
WO (1) WO1994029781A1 (en)
ZA (1) ZA944085B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU669293B2 (en) * 1994-03-23 1996-05-30 Wolfgang Reisch System to control a solar water heater
AT403423B (en) * 1996-08-05 1998-02-25 Vaillant Gmbh HEATER, IN PARTICULAR WATER HEATER, WITH A BATTERY-POWERED BURNER CONTROL WITH UNDERVOLTAGE DETECTOR
US6293471B1 (en) * 2000-04-27 2001-09-25 Daniel R. Stettin Heater control device and method to save energy

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3100273A1 (en) * 1981-01-08 1982-08-19 László von Dipl.-Phys. 4190 Kleve Körtvélyessy FAILURE-RESISTANT AND TEMPERATURE CONTROLLER
DE3438196A1 (en) * 1984-10-18 1986-04-24 Buderus Ag, 6330 Wetzlar Time switch for a central-heating boiler
GB2204424B (en) * 1987-05-05 1991-04-24 British Gas Plc Control of a boiler
JPH01197985A (en) * 1988-02-03 1989-08-09 Yamatake Honeywell Co Ltd How to detect heater disconnection in water heater
US5056712A (en) * 1989-12-06 1991-10-15 Enck Harry J Water heater controller

Also Published As

Publication number Publication date
AU6933194A (en) 1995-01-03
WO1994029781A1 (en) 1994-12-22

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