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
Application number
BRPI0822406A
Other languages
English (en)
Inventor
A Fenny Carlos
W Kinard Marc
Original Assignee
Woodward Hrt Inc
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 Woodward Hrt Inc filed Critical Woodward Hrt Inc
Publication of BRPI0822406A2 publication Critical patent/BRPI0822406A2/pt

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
BRPI0822406A 2008-03-11 2008-11-26 atuador hidráulico e servoválvula fundamentos da invenção. BRPI0822406A2 (pt)

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)

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* Cited by examiner, † Cited by third party
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
JP5426037B2 (ja) * 2010-11-25 2014-02-26 株式会社島津製作所 液圧シリンダシステム
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
KR102297588B1 (ko) * 2013-10-03 2021-09-07 트랜스오션 이노베이션 랩스 리미티드 유압 디바이스 및 그 작동 방법
US10138912B2 (en) * 2013-11-05 2018-11-27 Eaton Intelligent Power Limited 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
BR112017017490B1 (pt) 2015-02-15 2022-08-30 Transocean Innovation Labs Ltd Sistema de controle de bop e método para acionar uma primeira função de bop
US9810248B2 (en) * 2015-03-19 2017-11-07 Emerson Process Management, Valve Automation, Inc. Control fluid power apparatus and related methods
EP3393831A4 (en) 2015-12-24 2019-09-04 Clearmotion, Inc. ELECTRO-HYDRAULIC UNITS WITH INTEGRATED MULTIPLE ACTUATORS
US10458557B2 (en) * 2016-04-20 2019-10-29 Sikorsky Aircraft Corporation Hydraulic actuator force fight mitigation mechanism
WO2018027194A2 (en) * 2016-08-05 2018-02-08 Kamran Eftekhari Shahroudi Multi-chamber rotary piston actuator
CN109789542B (zh) * 2016-10-07 2023-02-03 古斯塔夫.克劳克有限责任公司 工具
EP3652445B1 (en) 2017-07-14 2024-06-05 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
US20250044816A1 (en) * 2023-07-31 2025-02-06 Hamilton Sundstrand Corporation Valve systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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
CA2595256C (en) * 2005-02-11 2009-12-29 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

Also Published As

Publication number Publication date
JP2011513680A (ja) 2011-04-28
WO2009114049A1 (en) 2009-09-17
EP2263012B1 (en) 2013-05-01
CN101983289A (zh) 2011-03-02
US7882778B2 (en) 2011-02-08
EP2263012A1 (en) 2010-12-22
US20090229694A1 (en) 2009-09-17
CN101983289B (zh) 2013-09-11

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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.