NL7802374A - Drijfwerk, voorzien van een aantal kussenblokken. - Google Patents
Drijfwerk, voorzien van een aantal kussenblokken.Info
- Publication number
- NL7802374A NL7802374A NL7802374A NL7802374A NL7802374A NL 7802374 A NL7802374 A NL 7802374A NL 7802374 A NL7802374 A NL 7802374A NL 7802374 A NL7802374 A NL 7802374A NL 7802374 A NL7802374 A NL 7802374A
- Authority
- NL
- Netherlands
- Prior art keywords
- drive
- pillow blocks
- pillow
- blocks
- Prior art date
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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/02—Arrangements for equalising the load on a plurality of bearings or their elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/775,828 US4086788A (en) | 1977-03-09 | 1977-03-09 | Drive having a plurality of thrust bearings |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7802374A true NL7802374A (nl) | 1978-09-12 |
Family
ID=25105634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7802374A NL7802374A (nl) | 1977-03-09 | 1978-03-03 | Drijfwerk, voorzien van een aantal kussenblokken. |
Country Status (14)
Country | Link |
---|---|
US (1) | US4086788A (de) |
JP (1) | JPS586837B2 (de) |
AT (1) | AT357971B (de) |
AU (1) | AU518052B2 (de) |
BE (1) | BE864649A (de) |
CA (1) | CA1076551A (de) |
DE (1) | DE2810048C2 (de) |
DK (1) | DK78078A (de) |
FR (1) | FR2383356A1 (de) |
GB (1) | GB1585756A (de) |
IT (1) | IT1102504B (de) |
NL (1) | NL7802374A (de) |
NO (1) | NO154200C (de) |
SE (1) | SE7801953L (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257245A (en) * | 1979-09-13 | 1981-03-24 | Well Control, Inc. | Compression shock absorber device |
US4320929A (en) * | 1980-08-20 | 1982-03-23 | Oncor Corporation | Sealed bearing system for hydraulically operated devices |
SE439047B (sv) * | 1983-05-24 | 1985-05-28 | Skf Nova Ab | Forspenningsanordning vid ett vinkelkontaktlager |
JPS59224718A (ja) * | 1983-06-06 | 1984-12-17 | Nippon Steel Corp | 防食被覆鋼矢板 |
JPS59224717A (ja) * | 1983-06-06 | 1984-12-17 | Nippon Steel Corp | 防食被覆鋼矢板の製造法 |
JPS59224719A (ja) * | 1983-06-06 | 1984-12-17 | Nippon Steel Corp | 重防食被覆鋼矢板 |
US5074681A (en) * | 1991-01-15 | 1991-12-24 | Teleco Oilfield Services Inc. | Downhole motor and bearing assembly |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756022A (en) * | 1953-05-25 | 1956-07-24 | Thomas E Reed | Shock absorber coupling for rotary drill stem |
DE1170717B (de) * | 1958-06-28 | 1964-05-21 | Krauss Maffei Ag | Laengslager fuer hohe Druecke |
FR1535451A (fr) * | 1966-07-01 | 1968-08-09 | Inst Francais Du Petrole | Butée à billes pour turbine de forage |
US3594106A (en) * | 1969-05-09 | 1971-07-20 | Empire Oil Tool Co | Variable speed motor drill |
US3879094A (en) * | 1973-08-15 | 1975-04-22 | Smith International | Radial Bearings |
US3966369A (en) * | 1975-03-06 | 1976-06-29 | Empire Oil Tool Company | Inlet and outlet ports and sealing means for a fluid driven motor |
US3986370A (en) * | 1975-04-07 | 1976-10-19 | Empire Oil Tool Company | Apparatus for connecting motors in tandem |
-
1977
- 1977-03-09 US US05/775,828 patent/US4086788A/en not_active Expired - Lifetime
-
1978
- 1978-02-20 SE SE7801953A patent/SE7801953L/xx unknown
- 1978-02-21 DK DK78078A patent/DK78078A/da not_active Application Discontinuation
- 1978-02-27 GB GB7672/78A patent/GB1585756A/en not_active Expired
- 1978-02-28 AU AU33689/78A patent/AU518052B2/en not_active Expired
- 1978-03-03 NL NL7802374A patent/NL7802374A/xx not_active Application Discontinuation
- 1978-03-03 AT AT152778A patent/AT357971B/de not_active IP Right Cessation
- 1978-03-06 JP JP53025310A patent/JPS586837B2/ja not_active Expired
- 1978-03-07 BE BE185736A patent/BE864649A/xx not_active IP Right Cessation
- 1978-03-07 IT IT48327/78A patent/IT1102504B/it active
- 1978-03-08 NO NO780796A patent/NO154200C/no unknown
- 1978-03-08 DE DE2810048A patent/DE2810048C2/de not_active Expired
- 1978-03-08 FR FR7806687A patent/FR2383356A1/fr active Granted
- 1978-03-09 CA CA298,577A patent/CA1076551A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1585756A (en) | 1981-03-11 |
DE2810048A1 (de) | 1978-09-14 |
DK78078A (da) | 1978-09-10 |
JPS53131201A (en) | 1978-11-15 |
FR2383356A1 (fr) | 1978-10-06 |
CA1076551A (en) | 1980-04-29 |
JPS586837B2 (ja) | 1983-02-07 |
AU3368978A (en) | 1979-09-06 |
DE2810048C2 (de) | 1983-09-15 |
ATA152778A (de) | 1980-01-15 |
US4086788A (en) | 1978-05-02 |
IT1102504B (it) | 1985-10-07 |
FR2383356B1 (de) | 1984-03-02 |
IT7848327A0 (it) | 1978-03-07 |
NO780796L (no) | 1978-09-12 |
AU518052B2 (en) | 1981-09-10 |
BE864649A (fr) | 1978-09-07 |
AT357971B (de) | 1980-08-11 |
NO154200B (no) | 1986-04-28 |
SE7801953L (sv) | 1978-09-10 |
NO154200C (no) | 1986-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |