IT1059032B - APPARATUS TO CONTROL THE SPEED OF AN ENGINE - Google Patents

APPARATUS TO CONTROL THE SPEED OF AN ENGINE

Info

Publication number
IT1059032B
IT1059032B IT22819/76A IT2281976A IT1059032B IT 1059032 B IT1059032 B IT 1059032B IT 22819/76 A IT22819/76 A IT 22819/76A IT 2281976 A IT2281976 A IT 2281976A IT 1059032 B IT1059032 B IT 1059032B
Authority
IT
Italy
Prior art keywords
engine
speed
control
Prior art date
Application number
IT22819/76A
Other languages
Italian (it)
Original Assignee
Johnson & 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 & Starley Ltd filed Critical Johnson & Starley Ltd
Application granted granted Critical
Publication of IT1059032B publication Critical patent/IT1059032B/en

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)
IT22819/76A 1975-05-13 1976-04-29 APPARATUS TO CONTROL THE SPEED OF AN ENGINE IT1059032B (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 (1)

Publication Number Publication Date
IT1059032B true IT1059032B (en) 1982-05-31

Family

ID=10142087

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22819/76A IT1059032B (en) 1975-05-13 1976-04-29 APPARATUS TO CONTROL THE SPEED OF AN ENGINE

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
GB1552625A (en) 1979-09-19
DE2620595A1 (en) 1976-11-25
FR2311446B1 (en) 1980-08-29

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