ZA802340B - A hydraulic servo valve - Google Patents
A hydraulic servo valveInfo
- Publication number
- ZA802340B ZA802340B ZA00802340A ZA802340A ZA802340B ZA 802340 B ZA802340 B ZA 802340B ZA 00802340 A ZA00802340 A ZA 00802340A ZA 802340 A ZA802340 A ZA 802340A ZA 802340 B ZA802340 B ZA 802340B
- Authority
- ZA
- South Africa
- Prior art keywords
- servo valve
- hydraulic servo
- hydraulic
- valve
- servo
- 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
- 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
- F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
- F16K31/423—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves
- F16K31/426—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves the actuated valves being cylindrical sliding valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
- F15C7/00—Hybrid elements, i.e. circuit elements having features according to groups F15C1/00 and F15C3/00
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
- Y10T137/2076—Utilizing diverse fluids
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86582—Pilot-actuated
- Y10T137/86614—Electric
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86879—Reciprocating valve unit
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87193—Pilot-actuated
- Y10T137/87209—Electric
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Servomotors (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7916838 | 1979-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA802340B true ZA802340B (en) | 1981-04-29 |
Family
ID=10505164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00802340A ZA802340B (en) | 1979-05-15 | 1980-04-18 | A hydraulic servo valve |
Country Status (5)
Country | Link |
---|---|
US (1) | US4342334A (xx) |
EP (1) | EP0019364B1 (xx) |
AU (1) | AU535571B2 (xx) |
DE (1) | DE3063743D1 (xx) |
ZA (1) | ZA802340B (xx) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4566530A (en) * | 1983-05-11 | 1986-01-28 | United Aircraft Products, Inc. | Pressure operated shuttle valve |
GB2161033B (en) * | 1984-06-21 | 1988-05-25 | Gen Electric Co Plc | Programmable bed-of-nails test access jigs with electro-rheological fluid actuation |
US4742998A (en) * | 1985-03-26 | 1988-05-10 | Barry Wright Corporation | Active vibration isolation system employing an electro-rheological fluid |
US4879056A (en) * | 1986-10-22 | 1989-11-07 | Board Of Regents Acting For And On Behalf Of University Of Michigan | Electric field dependent fluids |
US4790522A (en) * | 1988-02-25 | 1988-12-13 | Trw Inc. | Electroviscous fluid control device |
CA2004295C (en) * | 1989-11-30 | 1998-02-10 | William F. Hayes | Primary fluid actuated, secondary fluid propelling system |
DE4128889C1 (xx) * | 1991-09-01 | 1992-11-26 | Hansa Metallwerke Ag, 7000 Stuttgart, De | |
US5383938A (en) * | 1993-02-12 | 1995-01-24 | Zimmer, Inc. | Locking ring for an acetabular cup |
GB2285494B (en) * | 1994-01-05 | 1998-04-22 | Ckd Corp | Control apparatus for an electroviscous fluid |
DE19735466B4 (de) * | 1997-08-16 | 2007-06-28 | Fludicon Gmbh | Druckmittelmotor für elektrorheologische Flüssigkeiten |
CN110274057B (zh) * | 2019-05-09 | 2024-03-12 | 厦门建霖健康家居股份有限公司 | 一种过水龙头 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3302532A (en) * | 1967-02-07 | Electrohydraulic power steering system | ||
US2605079A (en) * | 1946-06-19 | 1952-07-29 | Elliott Bay Mill Co | Piston valve |
FR1161177A (fr) * | 1955-10-06 | 1958-08-22 | Dispositif réfrigérant, spécialement pour réfrigérateur portatif de capacité réduite | |
FR80006E (fr) * | 1961-05-27 | 1963-03-01 | Neyrpic Ets | Actionneur électro-hydraulique |
JPS5916220B2 (ja) * | 1974-05-21 | 1984-04-13 | 工業技術院長 | コロナ放電による電空変換方法 |
GB1511658A (en) * | 1975-12-16 | 1978-05-24 | Secr Defence | Fluid control apparatus |
-
1980
- 1980-04-17 EP EP80301244A patent/EP0019364B1/en not_active Expired
- 1980-04-17 DE DE8080301244T patent/DE3063743D1/de not_active Expired
- 1980-04-18 ZA ZA00802340A patent/ZA802340B/xx unknown
- 1980-04-23 US US06/143,147 patent/US4342334A/en not_active Expired - Lifetime
- 1980-05-05 AU AU58090/80A patent/AU535571B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0019364A1 (en) | 1980-11-26 |
DE3063743D1 (en) | 1983-07-21 |
US4342334A (en) | 1982-08-03 |
EP0019364B1 (en) | 1983-06-15 |
AU5809080A (en) | 1980-11-20 |
AU535571B2 (en) | 1984-03-29 |
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