JP2012197934A5 - - Google Patents

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Publication number
JP2012197934A5
JP2012197934A5 JP2012059599A JP2012059599A JP2012197934A5 JP 2012197934 A5 JP2012197934 A5 JP 2012197934A5 JP 2012059599 A JP2012059599 A JP 2012059599A JP 2012059599 A JP2012059599 A JP 2012059599A JP 2012197934 A5 JP2012197934 A5 JP 2012197934A5
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JP
Japan
Prior art keywords
rotor
port
angular position
hole
communication
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2012059599A
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English (en)
Japanese (ja)
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JP6017154B2 (ja
JP2012197934A (ja
Filing date
Publication date
Priority claimed from US13/051,468 external-priority patent/US8726787B2/en
Application filed filed Critical
Publication of JP2012197934A publication Critical patent/JP2012197934A/ja
Publication of JP2012197934A5 publication Critical patent/JP2012197934A5/ja
Application granted granted Critical
Publication of JP6017154B2 publication Critical patent/JP6017154B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2012059599A 2011-03-18 2012-03-16 位置限界が油圧によって制御される回転流体操作器 Expired - Fee Related JP6017154B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/051,468 US8726787B2 (en) 2011-03-18 2011-03-18 Rotary hydraulic actuator with hydraulically controlled position limits
US13/051,468 2011-03-18

Publications (3)

Publication Number Publication Date
JP2012197934A JP2012197934A (ja) 2012-10-18
JP2012197934A5 true JP2012197934A5 (enExample) 2015-04-30
JP6017154B2 JP6017154B2 (ja) 2016-10-26

Family

ID=45894208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012059599A Expired - Fee Related JP6017154B2 (ja) 2011-03-18 2012-03-16 位置限界が油圧によって制御される回転流体操作器

Country Status (3)

Country Link
US (1) US8726787B2 (enExample)
EP (1) EP2500264A3 (enExample)
JP (1) JP6017154B2 (enExample)

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US8955425B2 (en) 2013-02-27 2015-02-17 Woodward, Inc. Rotary piston type actuator with pin retention features
US9631645B2 (en) 2013-02-27 2017-04-25 Woodward, Inc. Rotary piston actuator anti-rotation configurations
US9163648B2 (en) 2013-02-27 2015-10-20 Woodward, Inc. Rotary piston type actuator with a central actuation assembly
US9234535B2 (en) 2013-02-27 2016-01-12 Woodward, Inc. Rotary piston type actuator
US9476434B2 (en) 2013-02-27 2016-10-25 Woodward, Inc. Rotary piston type actuator with modular housing
US9593696B2 (en) 2013-02-27 2017-03-14 Woodward, Inc. Rotary piston type actuator with hydraulic supply
US9816537B2 (en) 2013-02-27 2017-11-14 Woodward, Inc. Rotary piston type actuator with a central actuation assembly
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EP3039299B1 (en) 2013-08-29 2021-08-11 Aventics Corporation Electro-hydraulic actuator
US10072773B2 (en) 2013-08-29 2018-09-11 Aventics Corporation Valve assembly and method of cooling
US11047506B2 (en) 2013-08-29 2021-06-29 Aventics Corporation Valve assembly and method of cooling
CN104627453B (zh) * 2013-11-12 2017-07-07 深圳富泰宏精密工业有限公司 旋转机构
US10001066B2 (en) * 2014-08-28 2018-06-19 General Electric Company Rotary actuator for variable geometry vanes
FR3037922B1 (fr) * 2015-06-23 2017-07-07 Turbomeca Dispositif de regulation d'une helice a pales a calage variable d'un turbopropulseur
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US10393137B2 (en) 2016-02-12 2019-08-27 General Electric Company Method and system for integrated pitch control mechanism actuator hydraulic fluid transfer
US10316867B2 (en) * 2017-03-09 2019-06-11 Parker-Hannifin Corporation Hydraulic rotary actuator with built-in mechanical position feedback
US11312476B2 (en) 2017-09-25 2022-04-26 Woodward, Inc. Propeller control unit
US11118464B2 (en) 2018-10-11 2021-09-14 General Electric Company Aircraft gas turbine engine blade pitch change mechanism
US11199248B2 (en) 2019-04-30 2021-12-14 Woodward, Inc. Compact linear to rotary actuator
WO2021207482A1 (en) 2020-04-08 2021-10-14 Woodward, Inc. Rotary piston type actuator with a central actuation assembly
IT202200022992A1 (it) 2022-11-08 2024-05-08 Ge Avio Srl Elica a passo variabile di un motore a turbina a gas

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