FR2302427A1 - Appareil d'aspiration a fluide moteur comportant un ajutage du type venturi annulaire - Google Patents

Appareil d'aspiration a fluide moteur comportant un ajutage du type venturi annulaire

Info

Publication number
FR2302427A1
FR2302427A1 FR7605364A FR7605364A FR2302427A1 FR 2302427 A1 FR2302427 A1 FR 2302427A1 FR 7605364 A FR7605364 A FR 7605364A FR 7605364 A FR7605364 A FR 7605364A FR 2302427 A1 FR2302427 A1 FR 2302427A1
Authority
FR
France
Prior art keywords
air
ejector
annular nozzle
vacuum
automatically controlled
Prior art date
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.)
Granted
Application number
FR7605364A
Other languages
English (en)
Other versions
FR2302427B3 (fr
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of FR2302427A1 publication Critical patent/FR2302427A1/fr
Application granted granted Critical
Publication of FR2302427B3 publication Critical patent/FR2302427B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • F04F5/465—Arrangements of nozzles with supersonic flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/48—Control

Landscapes

  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Jet Pumps And Other Pumps (AREA)
FR7605364A 1975-02-28 1976-02-26 Appareil d'aspiration a fluide moteur comportant un ajutage du type venturi annulaire Granted FR2302427A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55429275A 1975-02-28 1975-02-28

Publications (2)

Publication Number Publication Date
FR2302427A1 true FR2302427A1 (fr) 1976-09-24
FR2302427B3 FR2302427B3 (fr) 1978-11-17

Family

ID=24212808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605364A Granted FR2302427A1 (fr) 1975-02-28 1976-02-26 Appareil d'aspiration a fluide moteur comportant un ajutage du type venturi annulaire

Country Status (5)

Country Link
CA (1) CA1055475A (fr)
DE (1) DE2608204A1 (fr)
FR (1) FR2302427A1 (fr)
NO (1) NO760120L (fr)
SE (1) SE7602356L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5320188A (en) * 1990-09-05 1994-06-14 England J Richard Underground mining system

Also Published As

Publication number Publication date
CA1055475A (fr) 1979-05-29
SE7602356L (sv) 1976-08-30
FR2302427B3 (fr) 1978-11-17
DE2608204A1 (de) 1976-09-09
NO760120L (fr) 1976-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse