[go: up one dir, main page]

FR2311446B1 - - Google Patents

Info

Publication number
FR2311446B1
FR2311446B1 FR7614153A FR7614153A FR2311446B1 FR 2311446 B1 FR2311446 B1 FR 2311446B1 FR 7614153 A FR7614153 A FR 7614153A FR 7614153 A FR7614153 A FR 7614153A FR 2311446 B1 FR2311446 B1 FR 2311446B1
Authority
FR
France
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
FR7614153A
Other languages
French (fr)
Other versions
FR2311446A1 (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.)
Johnson and Starley Ltd
Original Assignee
Johnson and Starley 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
Application filed by Johnson and Starley Ltd filed Critical Johnson and Starley Ltd
Publication of FR2311446A1 publication Critical patent/FR2311446A1/en
Application granted granted Critical
Publication of FR2311446B1 publication Critical patent/FR2311446B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
    • 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
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than 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)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
FR7614153A 1975-05-13 1976-05-11 ELECTRIC MOTOR ROTATION SPEED CONTROL UNIT Granted FR2311446A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20200/75A GB1552625A (en) 1975-05-13 1975-05-13 Apparatus for controlling the speed of a motor

Publications (2)

Publication Number Publication Date
FR2311446A1 FR2311446A1 (en) 1976-12-10
FR2311446B1 true FR2311446B1 (en) 1980-08-29

Family

ID=10142087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7614153A Granted FR2311446A1 (en) 1975-05-13 1976-05-11 ELECTRIC MOTOR ROTATION SPEED CONTROL UNIT

Country Status (4)

Country Link
DE (1) DE2620595A1 (en)
FR (1) FR2311446A1 (en)
GB (1) GB1552625A (en)
IT (1) IT1059032B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815404C2 (en) * 1978-04-10 1984-08-30 Danfoss A/S, Nordborg Step regulator for several power elements
FR2506387B1 (en) * 1981-05-25 1985-11-08 Peugeot Aciers Et Outillage CONTROL CIRCUIT FOR THE ELECTRIC MOTOR OF A FAN, ESPECIALLY FOR COOLING AN INTERNAL COMBUSTION ENGINE
FR2528653B1 (en) * 1982-06-09 1985-08-30 Airelec Ind ELECTRIC POWER REGULATION DEVICE WITH DISCONTINUOUS INSTANT ACTION FOR HEATING APPARATUS
DE19535676C2 (en) * 1994-10-14 1997-10-23 Telefunken Microelectron Method for controlling the power of an induction motor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437900A (en) * 1967-02-13 1969-04-08 U M C Ind Inc Static control system for alternating current motor employing analog to digital converter
US3710374A (en) * 1970-03-16 1973-01-09 Wester Instr Inc Dual-slope and analog-to-digital converter wherein two analog input signals are selectively integrated with respect to time

Also Published As

Publication number Publication date
FR2311446A1 (en) 1976-12-10
DE2620595A1 (en) 1976-11-25
GB1552625A (en) 1979-09-19
IT1059032B (en) 1982-05-31

Similar Documents

Publication Publication Date Title
JPS5291565U (en)
JPS529583U (en)
CH602550A5 (en)
BG22212A1 (en)
BG22522A1 (en)
BG22590A1 (en)
BG22609A1 (en)
BG22961A1 (en)
BG23271A1 (en)
CH118575A4 (en)
CH4275A4 (en)
CH5375A4 (en)
CH579960A5 (en)
CH581412A5 (en)
CH581556A5 (en)
CH583984A5 (en)
CH585038A5 (en)
CH586393A5 (en)
CH588170A5 (en)
CH590504B5 (en)
CH590510B5 (en)
CH591693A5 (en)
CH592898A5 (en)
CH593863A5 (en)
CH594398A5 (en)

Legal Events

Date Code Title Description
ST Notification of lapse