NO903224L - Aktivator. - Google Patents

Aktivator.

Info

Publication number: NO903224L
Authority: NO; Norway
Prior art keywords: aktivator
Prior art date: 1989-07-21

Application number

NO90903224A

Other languages

English (en)

Other versions

NO903224D0 (no

Inventor

R Hart

Original Assignee

Nat Oilwell U K Ltd Wellhead S

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.)

1989-07-21

Filing date

1990-07-19

Publication date

1991-01-22

1990-07-19 Application filed by Nat Oilwell U K Ltd Wellhead S filed Critical Nat Oilwell U K Ltd Wellhead S

1990-07-19 Publication of NO903224D0 publication Critical patent/NO903224D0/no

1991-01-22 Publication of NO903224L publication Critical patent/NO903224L/no

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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S137/00—Fluid handling
- Y10S137/906—Valves biased by fluid "springs"

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Actuator (AREA)

NO90903224A 1989-07-21 1990-07-19 Aktivator. NO903224L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8916744A GB2234014A (en)	1989-07-21	1989-07-21	A fluid operated actuator

Publications (2)

Publication Number	Publication Date
NO903224D0 NO903224D0 (no)	1990-07-19
NO903224L true NO903224L (no)	1991-01-22

Family

ID=10660438

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO90903224A NO903224L (no)	1989-07-21	1990-07-19	Aktivator.

Country Status (4)

Country	Link
US (1)	US5081909A (no)
EP (1)	EP0409633A1 (no)
GB (1)	GB2234014A (no)
NO (1)	NO903224L (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4027122A1 (de) *	1990-08-28	1992-03-05	Montech Ag	Lineareinheit
NO328603B1 (no) *	2008-05-14	2010-03-29	Vetco Gray Scandinavia As	Undervanns hybrid ventilaktuatorsystem og fremgangsmate.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3884251A (en) *	1974-05-02	1975-05-20	Fmc Corp	Cylinder-operated valve
US3913883A (en) *	1974-09-03	1975-10-21	Acf Ind Inc	Means for securing flexible diaphragm in fluid actuator for valves
US4199131A (en) *	1977-09-23	1980-04-22	Otis Engineering Corporation	Actuator module for wireline cutting safety valve
US4470430A (en) *	1981-05-26	1984-09-11	Lancaster Robert D	Drilling choke
US4445424A (en) *	1981-10-02	1984-05-01	Baker Cac, Inc.	Actuator having Belleville washer configuration operating in concert with a piston cylinder member
GB2117827B (en) *	1981-12-31	1985-03-13	Apv Co Ltd	Valve operating cylinder unit
US4637419A (en) *	1984-07-09	1987-01-20	Vetco Offshore, Inc.	Subsea control pod valve assembly
US4699355A (en) *	1984-11-01	1987-10-13	Koomey, Inc.	Fail-safe fluid piloted valve positioner with hydromechanical position lock
US4634099A (en) *	1985-05-17	1987-01-06	Nupro Company	High pressure inverted bellows valve
JPH01500096A (ja) *	1986-04-18	1989-01-19	サームウツド・コーポレーシヨン	ロボット作動装置の液圧シリンダ組立体
DE3623143C2 (de) *	1986-07-09	1995-03-09	Leibfried Maschinenbau Gmbh	Fluidbetätigter Zylinder

1989
- 1989-07-21 GB GB8916744A patent/GB2234014A/en not_active Withdrawn
1990
- 1990-07-16 US US07/554,058 patent/US5081909A/en not_active Expired - Fee Related
- 1990-07-19 NO NO90903224A patent/NO903224L/no unknown
- 1990-07-19 EP EP90307934A patent/EP0409633A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB8916744D0 (en)	1989-09-06
EP0409633A1 (en)	1991-01-23
GB2234014A (en)	1991-01-23
US5081909A (en)	1992-01-21
NO903224D0 (no)	1990-07-19

Publication	Publication Date	Title
FI916027A0 (fi)	1991-12-20	Flamm- och roekretarderande blandning.
FI891102A0 (fi)	1989-03-08	Mellanstyranordning foer bergborrningsmaskin.
FI903404A0 (fi)	1990-07-05	Blandningsanordning.
DE69020950D1 (de)	1995-08-24	Mehrplattenspieler.
FI890766A7 (fi)	1990-08-17	Bruksystem foer bilradiotelefon.
FI890465L (fi)	1990-08-02	Bandformig foerpackningsmaterial.
FI891667A7 (fi)	1990-10-08	Fjaedrande spaennbult.
DE59007719D1 (de)	1994-12-22	Pyrazol-3-carbonsäureamide.
FI892203A0 (fi)	1989-05-08	Spaenningsfoerhoejningsregulator.
FI891930A7 (fi)	1990-10-25	Elektromekanisk vinstfoerdelningsmaskineri foer spelautomater.
FI891912A0 (fi)	1989-04-21	180-grads hybridkoppling.
FI891141A0 (fi)	1989-03-09	Jaernvaegsgodsvagn.
NO903224L (no)	1991-01-22	Aktivator.
DE59005993D1 (de)	1994-07-14	Dibenzofuranylbiphenyle.
DE59004564D1 (de)	1994-03-24	Mappe.
ES1010851Y (es)	1990-07-01	Mueble-bar.
FI890990A0 (fi)	1989-03-02	Ytvattenbrunn.
ES1009558Y (es)	1990-02-16	Chimenea-hogar.
ES1012358Y (es)	1991-02-16	Puzle.
ES1012245Y (es)	1991-01-16	Munequera antimareo.
ES1011811Y (es)	1991-08-01	Muneco-envase.
ES1009775Y (es)	1990-03-16	Bielectrodo litotriptor.
FI891809A0 (fi)	1989-04-17	Ventilkombination.
FI891384A0 (fi)	1989-03-22	Fiskredskap.
FI891794A0 (fi)	1989-04-14	Tvaettanordning foer kantpaolar.