NO140251C - ELECTRIC MOTOR CONTROL DEVICE. - Google Patents

ELECTRIC MOTOR CONTROL DEVICE.

Info

Publication number
NO140251C
NO140251C NO2328/73A NO232873A NO140251C NO 140251 C NO140251 C NO 140251C NO 2328/73 A NO2328/73 A NO 2328/73A NO 232873 A NO232873 A NO 232873A NO 140251 C NO140251 C NO 140251C
Authority
NO
Norway
Prior art keywords
control device
electric motor
motor control
electric
motor
Prior art date
Application number
NO2328/73A
Other languages
Norwegian (no)
Other versions
NO140251B (en
Inventor
Laurence Meade Hubby
Herbert Joram Meyer
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of NO140251B publication Critical patent/NO140251B/en
Publication of NO140251C publication Critical patent/NO140251C/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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/40—Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control Of Electric Motors In General (AREA)
NO2328/73A 1972-06-05 1973-06-04 ELECTRIC MOTOR CONTROL DEVICE. NO140251C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25989072A 1972-06-05 1972-06-05

Publications (2)

Publication Number Publication Date
NO140251B NO140251B (en) 1979-04-17
NO140251C true NO140251C (en) 1979-08-01

Family

ID=22986866

Family Applications (1)

Application Number Title Priority Date Filing Date
NO2328/73A NO140251C (en) 1972-06-05 1973-06-04 ELECTRIC MOTOR CONTROL DEVICE.

Country Status (5)

Country Link
US (1) US3778694A (en)
CA (1) CA989504A (en)
DE (1) DE2328446A1 (en)
DK (1) DK140183B (en)
NO (1) NO140251C (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854846A (en) * 1973-06-01 1974-12-17 Dresser Ind Oil well pumpoff control system utilizing integration timer
US3930752A (en) * 1973-06-01 1976-01-06 Dresser Industries, Inc. Oil well pumpoff control system utilizing integration timer
US3882861A (en) * 1973-09-24 1975-05-13 Vital Assists Auxiliary control for a blood pump
US3936231A (en) * 1974-05-13 1976-02-03 Dresser Industries, Inc. Oil well pumpoff control system
US3938910A (en) * 1974-05-13 1976-02-17 Dresser Industries, Inc. Oil well pumpoff control system
US4076458A (en) * 1975-05-07 1978-02-28 Whittaker Corporation Automatic pump speed controller
US3998568A (en) * 1975-05-27 1976-12-21 Hynd Ike W Pump-off control responsive to time changes between rod string load
JPS58280B2 (en) * 1976-09-24 1983-01-06 三菱電機株式会社 stationary leonard device
US4062640A (en) * 1976-09-24 1977-12-13 Bethlehem Steel Corporation Method and means for controlling long stroke pumping units
US4093901A (en) * 1977-05-25 1978-06-06 Rose Ronald N DC Motor speed control circuit
US4195968A (en) * 1977-08-19 1980-04-01 Emeny George B Liquid level control
US4454778A (en) * 1981-04-21 1984-06-19 Virgil Camren Pump jack system for oil well
AU548742B2 (en) * 1981-06-15 1986-01-02 Anglo American Corporation Of South Africa Limited Slack rope detecting apparatus
US4476418A (en) * 1982-07-14 1984-10-09 Werner John W Well pump control system
US4695779A (en) * 1986-05-19 1987-09-22 Sargent Oil Well Equipment Company Of Dover Resources, Incorporated Motor protection system and process
US4935685A (en) * 1987-08-12 1990-06-19 Sargent Oil Well Equipment Company Motor controller for pumping units
US5362206A (en) * 1993-07-21 1994-11-08 Automation Associates Pump control responsive to voltage-current phase angle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413535A (en) * 1965-10-15 1968-11-26 Texaco Inc Electric motor control utilizing zener diode and integrating means in a loss of load protection system
US3440512A (en) * 1965-12-28 1969-04-22 Texaco Inc Electric motor control system for a beam type pumping load
US3509824A (en) * 1967-07-06 1970-05-05 G C Electronics Inc Well pumping control system

Also Published As

Publication number Publication date
DK140183C (en) 1979-11-26
US3778694A (en) 1973-12-11
DE2328446A1 (en) 1973-12-20
CA989504A (en) 1976-05-18
NO140251B (en) 1979-04-17
DK140183B (en) 1979-07-02

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