GB1229340A - - Google Patents

Info

Publication number
GB1229340A
GB1229340A GB1229340DA GB1229340A GB 1229340 A GB1229340 A GB 1229340A GB 1229340D A GB1229340D A GB 1229340DA GB 1229340 A GB1229340 A GB 1229340A
Authority
GB
United Kingdom
Prior art keywords
piston
pressure
pressure space
return valve
chamber
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1229340A publication Critical patent/GB1229340A/en
Expired 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/003—Bearing, sealing, lubricating details
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Reciprocating Pumps (AREA)
  • Testing Of Engines (AREA)
  • Hydraulic Motors (AREA)
GB1229340D 1968-07-09 1969-07-09 Expired GB1229340A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1251349 1968-07-09

Publications (1)

Publication Number Publication Date
GB1229340A true GB1229340A (de) 1971-04-21

Family

ID=20442795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229340D Expired GB1229340A (de) 1968-07-09 1969-07-09

Country Status (5)

Country Link
US (1) US3600109A (de)
AT (1) AT291880B (de)
DE (1) DE1923282A1 (de)
FR (1) FR2012578A1 (de)
GB (1) GB1229340A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103671002A (zh) * 2013-12-31 2014-03-26 德州宇力液压有限公司 一种钻井液压泵

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2040896A5 (de) * 1969-04-25 1971-01-22 Alsthom
DE2064358C3 (de) * 1970-12-30 1983-11-24 August Bilstein GmbH & Co KG, 5828 Ennepetal Ausstellvorrichtung für Drehkippflügel von Fenstern, Türen o.dgl.
US3759238A (en) * 1971-01-21 1973-09-18 Outboard Marine Corp Balancing system
DE2156953C3 (de) * 1971-11-17 1974-10-10 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Wellenabdichtung für Reaktorumwälzpumpen
DE2264913C3 (de) * 1972-08-04 1982-04-22 Frach, Werner, 8580 Bayreuth Dreh-Kipp-Beschlag für eine Tür, ein Fenster o.dgl.
US3866988A (en) * 1973-02-26 1975-02-18 Atlantic Richfield Co Bearing system
DK145725C (da) * 1974-02-18 1983-07-25 Bpa Byggproduktion Ab Boreudrustning
DE2911010A1 (de) * 1979-03-21 1980-09-25 Weidtmann Wilhelm Kg Ausstellvorrichtung fuer fluegel von drehkipp-fenstern, tueren o.dgl.
US4476944A (en) * 1979-03-23 1984-10-16 Baker International Corporation Method of providing a fluid seal in downhole drilling apparatus
US4307889A (en) * 1980-01-25 1981-12-29 Nl Industries, Inc. Apparatus utilizing rotary motion of a member as the motive force for a pump
DE4040233C2 (de) * 1990-12-15 1994-11-03 Bilstein August Gmbh Co Kg Schwenklager an einer Ausstellvorrichtung von Dreh-Kipp-Flügeln von Fenstern, Türen oder dergleichen
US20170184089A1 (en) * 2015-12-29 2017-06-29 Ge Oil & Gas Esp, Inc. Rotary Hydraulic Pump with ESP Motor
US20170184097A1 (en) 2015-12-29 2017-06-29 Ge Oil & Gas Esp, Inc. Linear Hydraulic Pump for Submersible Applications

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2348004A (en) * 1941-04-28 1944-05-02 Smith Corp A O Oil well pumping unit
US2418620A (en) * 1945-11-13 1947-04-08 Ivan S Brumagim Rotary shaft seal
GB1109991A (en) * 1964-07-10 1968-04-18 Frank Whittle Shaft sealing systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103671002A (zh) * 2013-12-31 2014-03-26 德州宇力液压有限公司 一种钻井液压泵

Also Published As

Publication number Publication date
US3600109A (en) 1971-08-17
DE1923282A1 (de) 1970-01-15
AT291880B (de) 1971-08-10
FR2012578A1 (de) 1970-03-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees