NL7018762A - - Google Patents

Info

Publication number
NL7018762A
NL7018762A NL7018762A NL7018762A NL7018762A NL 7018762 A NL7018762 A NL 7018762A NL 7018762 A NL7018762 A NL 7018762A NL 7018762 A NL7018762 A NL 7018762A NL 7018762 A NL7018762 A NL 7018762A
Authority
NL
Netherlands
Application number
NL7018762A
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
Priority to US807290A priority Critical patent/US3551620A/en
Application filed filed Critical
Priority to NL7018762A priority patent/NL7018762A/xx
Priority to GB6139670A priority patent/GB1331248A/en
Priority to FR7047116A priority patent/FR2119858B1/fr
Publication of NL7018762A publication Critical patent/NL7018762A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/008—Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
    • E21B47/009—Monitoring of walking-beam pump systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • G01F1/22—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
    • G01F1/26—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters of the valve type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
    • G01P13/0013—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid
    • G01P13/002—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid with electrical coupling to the indicating devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
    • H01H35/405—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane the switch being of the reed switch type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics (AREA)
  • Reciprocating Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
NL7018762A 1969-03-14 1970-12-24 NL7018762A (xx)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US807290A US3551620A (en) 1969-03-14 1969-03-14 Flow,no-flow device
NL7018762A NL7018762A (xx) 1969-03-14 1970-12-24
GB6139670A GB1331248A (en) 1969-03-14 1970-12-28 Liquid and gaseous flow discriminator
FR7047116A FR2119858B1 (xx) 1969-03-14 1970-12-29

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80729069A 1969-03-14 1969-03-14
NL7018762A NL7018762A (xx) 1969-03-14 1970-12-24
GB6139670 1970-12-28
FR7047116A FR2119858B1 (xx) 1969-03-14 1970-12-29

Publications (1)

Publication Number Publication Date
NL7018762A true NL7018762A (xx) 1972-06-27

Family

ID=27446087

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7018762A NL7018762A (xx) 1969-03-14 1970-12-24

Country Status (4)

Country Link
US (1) US3551620A (xx)
FR (1) FR2119858B1 (xx)
GB (1) GB1331248A (xx)
NL (1) NL7018762A (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793498A (en) * 1971-04-27 1974-02-19 Nissan Motor Automotive inertia switch with dashpot type actuator
US3851127A (en) * 1971-09-03 1974-11-26 Jet Spray Cooler Inc Hot liquid dispenser reverse flow sensor with check valve slider and magnetically operated switch
US3859619A (en) * 1972-07-11 1975-01-07 Nippon Denso Co Valve operation detecting device
US3896280A (en) * 1974-03-13 1975-07-22 Us Army Valve position indicator
US3958092A (en) * 1975-01-27 1976-05-18 Hoover Jimmie N Apparatus for discriminating between liquid and gaseous flow
US4084072A (en) * 1975-05-20 1978-04-11 Aisin Seiki Kabushiki Kaisha Pressure differential switch device
US3989911A (en) * 1975-09-05 1976-11-02 Perry Joseph A Magnetic differential pressure switch
US4081635A (en) * 1976-03-19 1978-03-28 Delaval Turbine Inc. Electrical switch responsive to a predetermined fluid flow
US4166936A (en) * 1978-02-01 1979-09-04 Delaval Turbine Inc. Viscosity-compensating flow switch
US4357748A (en) * 1978-08-23 1982-11-09 Robertshaw Controls Company Fluid flow sensing switch device method of making the same
US4242082A (en) * 1978-08-23 1980-12-30 Robertshaw Controls Company Fluid flow sensing switch device
NL8100236A (nl) * 1980-05-02 1981-12-01 Beta Bv Door een mediumstroom bediende schakelinrichting.
FR2514891B1 (fr) * 1981-10-21 1987-04-30 Krohne Dispositif de controle de debits pulses
US4533908A (en) * 1981-12-09 1985-08-06 Yasui Sangyo Co., Ltd. Warning means for a safety valve of a hydraulic power unit and a hydraulic power unit having the same
SE8405226D0 (sv) * 1984-10-19 1984-10-19 Alfa Laval Marine Power Eng Flodesvakt
US4690108A (en) * 1985-07-31 1987-09-01 Debevec Anthony F Fuel/oil pump
US4781536A (en) * 1986-09-10 1988-11-01 Hicks Russell R Low-flow pump-off control
US4788389A (en) * 1986-12-19 1988-11-29 Omco Co., Ltd. Flow switch valve
US5228594A (en) * 1990-11-30 1993-07-20 Aeroquip Corporation Metered liquid dispensing system
US5234017A (en) * 1990-11-30 1993-08-10 Aeroquip Corporation Restrictor valve for a metered liquid dispensing system
US5055641A (en) * 1990-12-10 1991-10-08 Richards Gary H Fluid-flow-control-switch valve
DE19710318A1 (de) * 1997-03-13 1998-09-17 Mannesmann Rexroth Ag Wegeventil
FR2781049B1 (fr) * 1998-07-13 2000-09-01 Paul Canevet Procede et dispositif de detection de consommation excessive de fluide
US6552284B1 (en) 2002-02-25 2003-04-22 Derrin T. Drago Water pump low pressure cutoff switch
US6635836B1 (en) 2002-04-18 2003-10-21 Oil-Rite Corporation Housing contained fluid flow switch and indicator
US7537056B2 (en) * 2004-12-21 2009-05-26 Schlumberger Technology Corporation System and method for gas shut off in a subterranean well
RU2578142C1 (ru) * 2014-12-16 2016-03-20 Общество с ограниченной ответственностью Нефтяная научно-производственная компания "ЭХО" Устройство включения скважинной телесистемы с автономным источником питания
CN105136451B (zh) * 2015-08-28 2018-09-21 深圳市浚海新能源技术有限公司 一种电动头质量检测方法及系统

Also Published As

Publication number Publication date
FR2119858A1 (xx) 1972-08-11
FR2119858B1 (xx) 1975-01-10
GB1331248A (en) 1973-09-26
US3551620A (en) 1970-12-29

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Legal Events

Date Code Title Description
BV The patent application has lapsed