GB1310904A - Cooling system with means for monitoring coolant flow - Google Patents

Cooling system with means for monitoring coolant flow

Info

Publication number
GB1310904A
GB1310904A GB1542470A GB1542470A GB1310904A GB 1310904 A GB1310904 A GB 1310904A GB 1542470 A GB1542470 A GB 1542470A GB 1542470 A GB1542470 A GB 1542470A GB 1310904 A GB1310904 A GB 1310904A
Authority
GB
United Kingdom
Prior art keywords
thermistor
temperature
anomaly
transistor
diode
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
GB1542470A
Other languages
English (en)
Inventor
C Bodge
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of GB1310904A publication Critical patent/GB1310904A/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
    • G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
    • G05D23/303—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature using a sensing element having a resistance varying with temperature, e.g. thermistor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • 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
    • 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
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Control Of Temperature (AREA)
  • Thermistors And Varistors (AREA)
GB1542470A 1969-04-01 1970-04-01 Cooling system with means for monitoring coolant flow Expired GB1310904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81186969A 1969-04-01 1969-04-01

Publications (1)

Publication Number Publication Date
GB1310904A true GB1310904A (en) 1973-03-21

Family

ID=25207821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1542470A Expired GB1310904A (en) 1969-04-01 1970-04-01 Cooling system with means for monitoring coolant flow

Country Status (5)

Country Link
JP (1) JPS5838807B1 (enExample)
CA (1) CA933256A (enExample)
DE (1) DE2014397A1 (enExample)
FR (1) FR2042785A5 (enExample)
GB (1) GB1310904A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465177A1 (fr) * 1979-09-10 1981-03-20 Dietrich & Cie De Circuit de reglage de la temperature d'un four de cuisson, notamment a usage domestique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS441472Y1 (enExample) * 1966-09-29 1969-01-21

Also Published As

Publication number Publication date
FR2042785A5 (enExample) 1971-02-12
CA933256A (en) 1973-09-04
JPS5838807B1 (enExample) 1983-08-25
DE2014397A1 (de) 1970-10-08

Similar Documents

Publication Publication Date Title
US3781839A (en) Fluid flow sensing device
US3059443A (en) Alarm apparatus for refrigeration systems and the like
US3196629A (en) Refrigeration head pressure control systems
ES357109A1 (es) Un sistema de refrigeracion.
GB1389767A (en) Liquid level protection system for refrigeration compressor
US3290576A (en) Detectors of fluid flow
US3432840A (en) Fluid level indicator
US3222882A (en) Refrigeration temperature and frost control
US3408940A (en) Flow control circuit
US3564293A (en) Temperature-compensating thyristor control
US3568648A (en) Water temperature control for diesel engines
US2522826A (en) Electric temperature control system
GB1206638A (en) Apparatus for controlling the energization of an electrical load
US3407840A (en) Apparatus for controlling the level of a liquid
GB1233944A (enExample)
US2475343A (en) Control system
GB1310904A (en) Cooling system with means for monitoring coolant flow
US2753548A (en) Temperature indicating and warning system
US3328677A (en) Thermistor detector
GB1206808A (en) Apparatus for controlling the temperature of fluid in hydraulic circuits
US4797536A (en) Temperature control apparatus for a waterbed
GB1426399A (en) Electric apparatus for heating liquids
US3123980A (en) figure
US4739656A (en) Flow sensing device
GB1069988A (en) Improvements in or relating to liquid circuit thermostats

Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years