DE3168271D1 - Pressure compensating device - Google Patents

Pressure compensating device

Info

Publication number
DE3168271D1
DE3168271D1 DE8181104018T DE3168271T DE3168271D1 DE 3168271 D1 DE3168271 D1 DE 3168271D1 DE 8181104018 T DE8181104018 T DE 8181104018T DE 3168271 T DE3168271 T DE 3168271T DE 3168271 D1 DE3168271 D1 DE 3168271D1
Authority
DE
Germany
Prior art keywords
pressure
volume
environment
compensating
compensating device
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
DE8181104018T
Other languages
English (en)
Inventor
Eduardo Barnetche Gonzalez
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3168271D1 publication Critical patent/DE3168271D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6622—Details of supply and/or removal of the grease, e.g. purging grease
    • 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • 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
    • F16N—LUBRICATING
    • F16N17/00—Lubrication of machines or apparatus working under extreme conditions
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Drilling And Boring (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Paper (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
DE8181104018T 1980-05-27 1981-05-25 Pressure compensating device Expired DE3168271D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/153,682 US4328873A (en) 1980-05-27 1980-05-27 Automatic depth compensating system for drill bit lubrication

Publications (1)

Publication Number Publication Date
DE3168271D1 true DE3168271D1 (en) 1985-02-28

Family

ID=22548276

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181104018T Expired DE3168271D1 (en) 1980-05-27 1981-05-25 Pressure compensating device

Country Status (8)

Country Link
US (1) US4328873A (de)
EP (1) EP0040847B1 (de)
JP (1) JPS5936077B2 (de)
AT (1) ATE11322T1 (de)
BR (1) BR8103281A (de)
CA (1) CA1159443A (de)
DE (1) DE3168271D1 (de)
MX (1) MX154023A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6802380B2 (en) 2001-08-31 2004-10-12 Halliburton Energy Services Inc. Pressure relief system and methods of use and making
DE602006011120D1 (de) * 2006-02-10 2010-01-28 Omni Oil Technologies Druckausgleichssystem
DE102010034941B4 (de) * 2010-08-20 2018-09-13 Schaeffler Technologies AG & Co. KG Lager, speziell zur Verwendung unter Wasser
RU2513927C1 (ru) * 2012-12-03 2014-04-20 Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш") Резервуар для смазочной системы бурового шарошечного долота
EP3596306B8 (de) * 2017-03-14 2023-03-08 X-Holding GmbH Expansionskammer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906504A (en) * 1958-08-07 1959-09-29 Jersey Prod Res Co Lubrication of bearings
US3303898A (en) * 1962-11-09 1967-02-14 Mini Petrolului Bearing sealing and lubricating device
US3251634A (en) * 1963-07-01 1966-05-17 Exxon Production Research Co Drill bit bearing lubricator
US3244459A (en) * 1963-07-01 1966-04-05 Exxon Production Research Co Pressure lubricated drill bit bearing
US3299973A (en) * 1964-07-27 1967-01-24 Smith Ind International Inc Lubrication and sealing of well drilling bit
US3847234A (en) * 1972-06-01 1974-11-12 Reed Tool Co Pressure relief device for drill bit lubrication system
US3844364A (en) * 1973-10-23 1974-10-29 Dresser Ind Hydrostatic rock bit lubrication system
US3866695A (en) * 1974-07-01 1975-02-18 Dresser Ind Bearing Cavity Pressure Maintenance Device For Sealed Bearing Rock Bit
US4154312A (en) * 1977-05-26 1979-05-15 Eduardo Barnetche Drill bit with single cutting head
US4254838A (en) * 1979-07-24 1981-03-10 Eduardo Barnetche Automatic depth compensating device

Also Published As

Publication number Publication date
ATE11322T1 (de) 1985-02-15
EP0040847A2 (de) 1981-12-02
EP0040847A3 (en) 1982-01-20
EP0040847B1 (de) 1985-01-16
JPS5712792A (en) 1982-01-22
JPS5936077B2 (ja) 1984-09-01
MX154023A (es) 1987-04-01
CA1159443A (en) 1983-12-27
BR8103281A (pt) 1982-02-16
US4328873A (en) 1982-05-11

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8328 Change in the person/name/address of the agent

Free format text: RESCH, M., DIPL.-PHYS., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee