GB8514116D0 - Control circuit - Google Patents

Control circuit

Info

Publication number
GB8514116D0
GB8514116D0 GB858514116A GB8514116A GB8514116D0 GB 8514116 D0 GB8514116 D0 GB 8514116D0 GB 858514116 A GB858514116 A GB 858514116A GB 8514116 A GB8514116 A GB 8514116A GB 8514116 D0 GB8514116 D0 GB 8514116D0
Authority
GB
United Kingdom
Prior art keywords
control circuit
circuit
control
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.)
Granted
Application number
GB858514116A
Other versions
GB2160681A (en
GB2160681B (en
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.)
Rheem Australia Pty Ltd
Original Assignee
Rheem Australia Pty Ltd
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
Priority claimed from AU43224/85A external-priority patent/AU583510C/en
Application filed by Rheem Australia Pty Ltd filed Critical Rheem Australia Pty Ltd
Publication of GB8514116D0 publication Critical patent/GB8514116D0/en
Publication of GB2160681A publication Critical patent/GB2160681A/en
Application granted granted Critical
Publication of GB2160681B publication Critical patent/GB2160681B/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/54—Water boiling vessels in beverage making machines
    • A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Food Science & Technology (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
GB08514116A 1984-06-08 1985-06-04 Control circuit for water heater Expired GB2160681B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPG543184 1984-06-08
AU43224/85A AU583510C (en) 1984-06-08 1985-05-31 A control circuit

Publications (3)

Publication Number Publication Date
GB8514116D0 true GB8514116D0 (en) 1985-07-10
GB2160681A GB2160681A (en) 1985-12-24
GB2160681B GB2160681B (en) 1987-07-22

Family

ID=25626289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08514116A Expired GB2160681B (en) 1984-06-08 1985-06-04 Control circuit for water heater

Country Status (1)

Country Link
GB (1) GB2160681B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8925326D0 (en) * 1989-11-09 1989-12-28 Heatrae Sadia Heating Ltd Heater

Also Published As

Publication number Publication date
GB2160681A (en) 1985-12-24
GB2160681B (en) 1987-07-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20050603