DK140183C - - Google Patents

Info

Publication number
DK140183C
DK140183C DK274773A DK274773A DK140183C DK 140183 C DK140183 C DK 140183C DK 274773 A DK274773 A DK 274773A DK 274773 A DK274773 A DK 274773A DK 140183 C DK140183 C DK 140183C
Authority
DK
Denmark
Application number
DK274773A
Other languages
Danish (da)
Other versions
DK140183B (da
Inventor
L M Hubby
H J Meyer
Original Assignee
Texaco Development Corporation
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 Corporation filed Critical Texaco Development Corporation
Publication of DK140183B publication Critical patent/DK140183B/da
Application granted granted Critical
Publication of DK140183C publication Critical patent/DK140183C/da

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)
DK274773AA 1972-06-05 1973-05-17 Styrekreds for en af en elektromotor drevet pumpeenhed. DK140183B (da)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK140183B DK140183B (da) 1979-07-02
DK140183C true DK140183C (de) 1979-11-26

Family

ID=22986866

Family Applications (1)

Application Number Title Priority Date Filing Date
DK274773AA DK140183B (da) 1972-06-05 1973-05-17 Styrekreds for en af en elektromotor drevet pumpeenhed.

Country Status (5)

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

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 (ja) * 1976-09-24 1983-01-06 三菱電機株式会社 静止レオナ−ド装置
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
US3778694A (en) 1973-12-11
DE2328446A1 (de) 1973-12-20
CA989504A (en) 1976-05-18
NO140251B (no) 1979-04-17
NO140251C (no) 1979-08-01
DK140183B (da) 1979-07-02

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