BRPI0822406A2 - atuador hidráulico e servoválvula fundamentos da invenção. - Google Patents
atuador hidráulico e servoválvula fundamentos da invenção.Info
- Publication number
- BRPI0822406A2 BRPI0822406A2 BRPI0822406A BRPI0822406A BRPI0822406A2 BR PI0822406 A2 BRPI0822406 A2 BR PI0822406A2 BR PI0822406 A BRPI0822406 A BR PI0822406A BR PI0822406 A BRPI0822406 A BR PI0822406A BR PI0822406 A2 BRPI0822406 A2 BR PI0822406A2
- Authority
- BR
- Brazil
- Prior art keywords
- fundamentals
- hydraulic actuator
- servo valve
- servo
- valve
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/34—Amplitude modulation by means of light-sensitive element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
- F15B2211/31535—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having multiple pressure sources and a single output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
- F15B2211/7054—Having equal piston areas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7055—Linear output members having more than two chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7055—Linear output members having more than two chambers
- F15B2211/7056—Tandem cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/875—Control measures for coping with failures
- F15B2211/8757—Control measures for coping with failures using redundant components or assemblies
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
-
- 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
- Y10T137/86606—Common to plural valve motor chambers
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/045,924 US7882778B2 (en) | 2008-03-11 | 2008-03-11 | Hydraulic actuator with floating pistons |
PCT/US2008/084845 WO2009114049A1 (en) | 2008-03-11 | 2008-11-26 | Hydraulic actuator with floating pistons |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0822406A2 true BRPI0822406A2 (pt) | 2019-09-24 |
Family
ID=40887983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0822406A BRPI0822406A2 (pt) | 2008-03-11 | 2008-11-26 | atuador hidráulico e servoválvula fundamentos da invenção. |
Country Status (6)
Country | Link |
---|---|
US (1) | US7882778B2 (pt) |
EP (1) | EP2263012B1 (pt) |
JP (1) | JP2011513680A (pt) |
CN (1) | CN101983289B (pt) |
BR (1) | BRPI0822406A2 (pt) |
WO (1) | WO2009114049A1 (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8677885B2 (en) | 2010-10-14 | 2014-03-25 | Woodward Hrt, Inc. | Floating piston actuator for operation with multiple hydraulic systems |
EP2644907B1 (en) * | 2010-11-25 | 2019-03-13 | Mitsubishi Heavy Industries, Ltd. | Hydraulic cylinder system |
US20140033909A1 (en) | 2012-08-03 | 2014-02-06 | Robert M. Murphy | Methods and apparatus to control movement of a component |
US9815553B2 (en) * | 2013-07-01 | 2017-11-14 | Bell Helicopter Tectron Inc. | Independent hydraulic control system for rotorcraft secondary rotor |
CN105980713A (zh) * | 2013-10-03 | 2016-09-28 | 越洋创新实验室有限公司 | 液压装置及其致动方法 |
WO2015069801A1 (en) * | 2013-11-05 | 2015-05-14 | Eaton Corporation | High output hydraulic cylinder and piston arrangement |
CN103953591B (zh) * | 2014-04-25 | 2016-08-03 | 哈尔滨飞机工业集团有限责任公司 | 一种直升机液压操纵助力系统 |
US9695846B2 (en) * | 2014-09-25 | 2017-07-04 | The Boeing Company | Micro dampers for prevention of un-commanded motion in mechanical feedback actuators |
US9605689B2 (en) * | 2014-10-24 | 2017-03-28 | Wilden Pump And Engineering Llc | Air motor |
GB2522744B (en) * | 2014-11-14 | 2016-03-16 | Blagdon Actuation Res Ltd | Servo actuators |
MX2017010403A (es) | 2015-02-15 | 2018-06-07 | Transocean Innovation Labs Ltd | Sistemas de control bops y metodos relacionados. |
US9810248B2 (en) * | 2015-03-19 | 2017-11-07 | Emerson Process Management, Valve Automation, Inc. | Control fluid power apparatus and related methods |
CN117207734A (zh) | 2015-12-24 | 2023-12-12 | 动态清晰公司 | 集成多致动器电液单元 |
US10458557B2 (en) * | 2016-04-20 | 2019-10-29 | Sikorsky Aircraft Corporation | Hydraulic actuator force fight mitigation mechanism |
CN109789542B (zh) * | 2016-10-07 | 2023-02-03 | 古斯塔夫.克劳克有限责任公司 | 工具 |
US10954973B2 (en) | 2017-07-14 | 2021-03-23 | Woodward, Inc. | Unsupported piston with moving seal carrier |
EP3598263A1 (en) * | 2017-10-05 | 2020-01-22 | LEONARDO S.p.A. | Stability and command augmentation system for an aircraft |
US10969803B2 (en) * | 2018-08-31 | 2021-04-06 | Circor International, Inc. | Mechanical activation system |
CN110953202B (zh) * | 2019-12-04 | 2022-09-06 | 中国直升机设计研究所 | 一种液压系统余度转换装置和方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5449479A (en) * | 1977-09-27 | 1979-04-18 | Toshiba Corp | Multi-positioning cylinder |
DE3131806A1 (de) * | 1980-08-27 | 1982-05-27 | Elliott Brothers (London) Ltd., Chelmsford, Essex | Hydraulischer stellantrieb |
US4472998A (en) * | 1982-11-19 | 1984-09-25 | Pneumo Corporation | Redundant control actuation system-concentric direct drive valve |
US4987927A (en) * | 1988-12-27 | 1991-01-29 | Sterer Engineering And Manufacturing Company | Direct-drive valve |
JP2942636B2 (ja) * | 1990-12-14 | 1999-08-30 | 帝人製機株式会社 | 複数系統切換弁 |
GB2346456B (en) * | 1999-02-04 | 2003-05-21 | Moog Inc | Hydraulic logic cross-coupling between separate redundant servoactutaors |
US6546957B2 (en) * | 2000-12-19 | 2003-04-15 | Caterpillar Inc. | Dual cylinder circuit having a joystick with intuitive control |
US6981439B2 (en) * | 2003-08-22 | 2006-01-03 | Hr Textron, Inc. | Redundant flow control for hydraulic actuator systems |
US7828245B2 (en) | 2005-02-11 | 2010-11-09 | Bell Helicopter Textron Inc. | Dual motor dual concentric valve |
DE102006028878A1 (de) * | 2006-06-21 | 2007-12-27 | Zf Friedrichshafen Ag | Hydraulische Stelleinheit für ein Kraftfahrzeug |
-
2008
- 2008-03-11 US US12/045,924 patent/US7882778B2/en active Active
- 2008-11-26 BR BRPI0822406A patent/BRPI0822406A2/pt not_active IP Right Cessation
- 2008-11-26 CN CN2008801280093A patent/CN101983289B/zh active Active
- 2008-11-26 EP EP20080873340 patent/EP2263012B1/en not_active Not-in-force
- 2008-11-26 WO PCT/US2008/084845 patent/WO2009114049A1/en active Application Filing
- 2008-11-26 JP JP2010550663A patent/JP2011513680A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN101983289A (zh) | 2011-03-02 |
WO2009114049A1 (en) | 2009-09-17 |
JP2011513680A (ja) | 2011-04-28 |
EP2263012A1 (en) | 2010-12-22 |
CN101983289B (zh) | 2013-09-11 |
US20090229694A1 (en) | 2009-09-17 |
EP2263012B1 (en) | 2013-05-01 |
US7882778B2 (en) | 2011-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] | ||
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2543 DE 01-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |