GB1583140A - Automatic temperature control devices - Google Patents

Automatic temperature control devices Download PDF

Info

Publication number
GB1583140A
GB1583140A GB1851776A GB1851776A GB1583140A GB 1583140 A GB1583140 A GB 1583140A GB 1851776 A GB1851776 A GB 1851776A GB 1851776 A GB1851776 A GB 1851776A GB 1583140 A GB1583140 A GB 1583140A
Authority
GB
United Kingdom
Prior art keywords
temperature control
operational amplifier
control device
voltage
voltage divider
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
Application number
GB1851776A
Other languages
English (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.)
Ranco GmbH
Original Assignee
Ranco GmbH
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 Ranco GmbH filed Critical Ranco GmbH
Priority to GB1851776A priority Critical patent/GB1583140A/en
Priority to DE19762643658 priority patent/DE2643658B2/de
Priority to IT2324177A priority patent/IT1085461B/it
Priority to FR7713775A priority patent/FR2350643A1/fr
Publication of GB1583140A publication Critical patent/GB1583140A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)
GB1851776A 1976-05-06 1976-05-06 Automatic temperature control devices Expired GB1583140A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1851776A GB1583140A (en) 1976-05-06 1976-05-06 Automatic temperature control devices
DE19762643658 DE2643658B2 (de) 1976-05-06 1976-09-28 Temperaturregelvorrichtung
IT2324177A IT1085461B (it) 1976-05-06 1977-05-05 Dispositivo regolatore di temperatura
FR7713775A FR2350643A1 (fr) 1976-05-06 1977-05-05 Dispositif de regulation de temperature, en particulier, pour les installations de chauffage, les installations de preparation d'eau chaude et analogues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1851776A GB1583140A (en) 1976-05-06 1976-05-06 Automatic temperature control devices

Publications (1)

Publication Number Publication Date
GB1583140A true GB1583140A (en) 1981-01-21

Family

ID=10113801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1851776A Expired GB1583140A (en) 1976-05-06 1976-05-06 Automatic temperature control devices

Country Status (4)

Country Link
DE (1) DE2643658B2 (enExample)
FR (1) FR2350643A1 (enExample)
GB (1) GB1583140A (enExample)
IT (1) IT1085461B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197504A (en) * 1986-07-02 1988-05-18 Powrmatic Ltd Thermostat control
ES2211352A1 (es) * 2002-12-30 2004-07-01 Lear Atuomotive (Eeds) Spain, S.L. Circuito de seguridad activa de cargas portegidas por reles de estado solido.

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809089A1 (de) * 1978-03-02 1979-09-13 Cooper Ind Inc Loetwerkzeug mit temperaturregelung
EP0009129A1 (de) * 1978-08-23 1980-04-02 Siemens Aktiengesellschaft Vorrichtung zur temperaturkontrollierten Erwärmung von Sonden
JPS5856006A (ja) * 1981-09-29 1983-04-02 Sharp Corp 温度調節器の故障検出方法
CH666564A5 (de) * 1985-08-08 1988-07-29 Landis & Gyr Ag Elektronischer sicherheitstemperaturbegrenzer.
DE3764790D1 (de) * 1987-01-08 1990-10-11 Landis & Gyr Betriebs Ag Elektronischer sicherheitstemperaturbegrenzer.
DE4304436A1 (de) * 1993-02-13 1994-08-18 Ego Elektro Blanc & Fischer Überwachungseinheit für einen Leistungs-Verbraucher
US5520327A (en) * 1994-09-23 1996-05-28 Carrier Corporation Electronic thermostat having safety feature

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197504A (en) * 1986-07-02 1988-05-18 Powrmatic Ltd Thermostat control
ES2211352A1 (es) * 2002-12-30 2004-07-01 Lear Atuomotive (Eeds) Spain, S.L. Circuito de seguridad activa de cargas portegidas por reles de estado solido.
ES2211352B1 (es) * 2002-12-30 2005-09-16 Lear Atuomotive (Eeds) Spain, S.L. Circuito de seguridad activa de cargas protegidas por reles de estado solido.

Also Published As

Publication number Publication date
FR2350643B1 (enExample) 1980-10-10
DE2643658B2 (de) 1980-02-14
IT1085461B (it) 1985-05-28
DE2643658A1 (de) 1977-11-10
FR2350643A1 (fr) 1977-12-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee