EP1967739A3 - Device for hydraulic adjustment of the rotor blades of a wheel of an axial ventilator - Google Patents

Device for hydraulic adjustment of the rotor blades of a wheel of an axial ventilator Download PDF

Info

Publication number
EP1967739A3
EP1967739A3 EP08002781A EP08002781A EP1967739A3 EP 1967739 A3 EP1967739 A3 EP 1967739A3 EP 08002781 A EP08002781 A EP 08002781A EP 08002781 A EP08002781 A EP 08002781A EP 1967739 A3 EP1967739 A3 EP 1967739A3
Authority
EP
European Patent Office
Prior art keywords
wheel
rotor blades
hydraulic adjustment
axial ventilator
control oil
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
EP08002781A
Other languages
German (de)
French (fr)
Other versions
EP1967739A2 (en
EP1967739B1 (en
Inventor
André Annebique
Jörg Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TLT Turbo GmbH
Original Assignee
TLT Turbo GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39339914&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1967739(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by TLT Turbo GmbH filed Critical TLT Turbo GmbH
Priority to PL08002781T priority Critical patent/PL1967739T3/en
Publication of EP1967739A2 publication Critical patent/EP1967739A2/en
Publication of EP1967739A3 publication Critical patent/EP1967739A3/en
Application granted granted Critical
Publication of EP1967739B1 publication Critical patent/EP1967739B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves

Abstract

The device has a displacement cylinder (6) with a piston (7) between first and second chambers (11, 12) connected by control oil lines to a 4-way valve. Feed and return control oil lines are each divided into two parallel branches, two redundant 4-way valves are arranged in the parallel branches and seat valves are arranged between the connections (14,15) and the 4-way valves.
EP08002781A 2007-03-09 2008-02-15 Device for hydraulic adjustment of the rotor blades of a wheel of an axial ventilator Active EP1967739B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08002781T PL1967739T3 (en) 2007-03-09 2008-02-15 Device for hydraulic adjustment of the rotor blades of a wheel of an axial ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007011990.0A DE102007011990B4 (en) 2007-03-09 2007-03-09 Device for the hydraulic adjustment of the blades of an impeller of an axial fan

Publications (3)

Publication Number Publication Date
EP1967739A2 EP1967739A2 (en) 2008-09-10
EP1967739A3 true EP1967739A3 (en) 2009-07-01
EP1967739B1 EP1967739B1 (en) 2010-11-17

Family

ID=39339914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08002781A Active EP1967739B1 (en) 2007-03-09 2008-02-15 Device for hydraulic adjustment of the rotor blades of a wheel of an axial ventilator

Country Status (10)

Country Link
US (1) US7971519B2 (en)
EP (1) EP1967739B1 (en)
KR (1) KR101383926B1 (en)
CN (1) CN101275585B (en)
AT (1) ATE488702T1 (en)
DE (2) DE102007011990B4 (en)
DK (1) DK1967739T3 (en)
ES (1) ES2356490T3 (en)
PL (1) PL1967739T3 (en)
RU (1) RU2450168C2 (en)

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* Cited by examiner, † Cited by third party
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KR100908579B1 (en) * 2009-01-21 2009-07-22 티엠디이엔지(주) Performance test apparatus of axial fan hydraulic blade adjustment for use in generator equipment
FR2945512B1 (en) * 2009-05-15 2012-08-24 Snecma NON-CAREED PROPELLER HAVING A VARIABLE SHAFT FOR A TURBOMACHINE
US9068556B2 (en) * 2010-11-26 2015-06-30 Vestas Wind Systems A/S Pilot circuitry for controlling the emergency feathering of a wind turbine
CN102536660B (en) * 2010-11-26 2014-10-29 维斯塔斯风力系统有限公司 Wind turbine with hydraulic blade pitch system
FR2978953B1 (en) * 2011-08-08 2013-09-20 Snecma HYDRAULIC CONTROL SYSTEM FOR THE ORIENTATION OF BLOWER BLADES
US20130283762A1 (en) * 2012-04-27 2013-10-31 General Electric Company Rotary vane actuator operated air valves
EP2881595B1 (en) * 2013-12-03 2018-08-22 Ansaldo Energia IP UK Limited Device for emergency operation of actuators
JP5975073B2 (en) * 2014-07-30 2016-08-23 コベルコ建機株式会社 Construction machinery
ES2615080B1 (en) 2015-12-02 2018-03-15 Pulverizadores Fede, S.L. Improved sprayer
CN105545569A (en) * 2016-01-30 2016-05-04 大连金州华兴机械加工厂 Power generation device rotating blade capable of automatically adjusting angle
CN106401856B (en) * 2016-11-15 2018-08-17 哈尔滨工程大学 Half active fluid pressure type series connection flapping foil marine tidal-current energy is caught can device
US20180252243A1 (en) * 2017-03-03 2018-09-06 Husco International, Inc. Systems and methods for dynamic response on mobile machines
CN107313967B (en) * 2017-07-13 2024-01-30 浙江双阳风机有限公司 Axial flow fan with adjustable counter-rotating movable blades
CN107654404A (en) * 2017-08-16 2018-02-02 张元杰 A kind of axial flow fan with adjustable moving blades hydraulic control actuator
CN110873083B (en) * 2018-09-03 2021-07-27 江苏科技大学 Double-valve parallel electro-hydraulic servo system and control method thereof
CN113027870B (en) * 2021-03-17 2022-10-18 四川百纳科技有限责任公司 Independent heat dissipation system of all-terrain armored vehicle and control method thereof
CN113280021A (en) * 2021-05-11 2021-08-20 成都正山机械制造有限公司 Integrated proportional valve control method
CN113339354B (en) * 2021-08-02 2021-11-09 中国电建集团透平科技有限公司 Moving blade adjusting device of axial flow fan
CN113404746B (en) * 2021-08-19 2021-11-09 中国电建集团透平科技有限公司 Axial flow fan blade control system and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1403498A1 (en) * 1961-11-03 1969-07-10 Babcock & Wilcox Dampfkessel A Mechanical adjustment device for axial fan
EP0103042A1 (en) * 1982-09-14 1984-03-21 Siemens Aktiengesellschaft Fan comprising automatically adjustable blades about its longitudinal axis to avoid undesirable rotational speed
DE4331825A1 (en) * 1993-05-05 1994-11-10 Muehlbauer Luftfahrttechn Gmbh Method and device for hydraulic adjustment (displacement) of a propeller of an aircraft
DE19600660A1 (en) * 1996-01-10 1997-07-17 Muehlbauer Luftfahrttechn Gmbh Hydraulically reversible adjustable propeller unit

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US4595340A (en) * 1984-07-30 1986-06-17 General Electric Company Gas turbine bladed disk assembly
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US4640421A (en) * 1985-02-26 1987-02-03 Mason Daniel P Truck crane conversion to crawler crane
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US5403145A (en) * 1991-08-02 1995-04-04 Serv-Tech, Inc. Street legal, mobile, truck mounted tube bundle pulling apparatus
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US5348171A (en) * 1992-12-08 1994-09-20 Link-Belt Construction Equip. Co. Removable outrigger for mobile crane
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US6109871A (en) 1997-03-31 2000-08-29 Horton, Inc. Integrated fan assembly with variable pitch blades
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US5836743A (en) * 1997-10-22 1998-11-17 United Technologies Corporation Variable pitch counterweighted propeller system with releasable hydraulic pitchlock
CN2360648Y (en) * 1998-05-25 2000-01-26 北京风机二厂 Axial ventilator with wide root arc torsional overlapped impeller
US6250679B1 (en) * 1999-09-24 2001-06-26 Nmc Wollard, Inc. Airport vehicle frame assembly used therefore
US20020163173A1 (en) * 2001-05-07 2002-11-07 Ruehl Phillip C. Contoured hip/straight member vehicle frame
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RU2219378C1 (en) * 2002-10-01 2003-12-20 Иванов Адольф Павлович Compressor stator of gas-turbine engine
FR2856424B1 (en) * 2003-06-20 2005-09-23 Snecma Moteurs DEVICE FOR VARIABLE SETTING OF TWO FLOORS OF BLADES FIXED ON A TURBOJETACTOR
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1403498A1 (en) * 1961-11-03 1969-07-10 Babcock & Wilcox Dampfkessel A Mechanical adjustment device for axial fan
EP0103042A1 (en) * 1982-09-14 1984-03-21 Siemens Aktiengesellschaft Fan comprising automatically adjustable blades about its longitudinal axis to avoid undesirable rotational speed
DE4331825A1 (en) * 1993-05-05 1994-11-10 Muehlbauer Luftfahrttechn Gmbh Method and device for hydraulic adjustment (displacement) of a propeller of an aircraft
DE19600660A1 (en) * 1996-01-10 1997-07-17 Muehlbauer Luftfahrttechn Gmbh Hydraulically reversible adjustable propeller unit

Also Published As

Publication number Publication date
CN101275585B (en) 2011-11-16
RU2450168C2 (en) 2012-05-10
KR20080082910A (en) 2008-09-12
EP1967739A2 (en) 2008-09-10
DE502008001791D1 (en) 2010-12-30
DK1967739T3 (en) 2011-03-07
PL1967739T3 (en) 2011-04-29
ATE488702T1 (en) 2010-12-15
DE102007011990A1 (en) 2008-09-11
KR101383926B1 (en) 2014-04-10
DE102007011990B4 (en) 2019-01-10
US20080219846A1 (en) 2008-09-11
EP1967739B1 (en) 2010-11-17
US7971519B2 (en) 2011-07-05
CN101275585A (en) 2008-10-01
ES2356490T3 (en) 2011-04-08
RU2008108952A (en) 2009-09-20

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