EP2699804A4 - SYNCHRONIZED LIFTING DEVICE - Google Patents

SYNCHRONIZED LIFTING DEVICE

Info

Publication number: EP2699804A4
Authority: EP; European Patent Office
Prior art keywords: lifting device; synchronized lifting; synchronized; lifting
Prior art date: 2011-04-21
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP12859424.9A

Other languages

German (de)

French (fr)

Other versions

EP2699804A1 (en

Inventor

Frantz D Stanford

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.)

Enerpac Tool Group Corp

Original Assignee

Actuant Corp

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.)

2011-04-21

Filing date

2012-04-10

Publication date

2015-07-29

2012-04-10 Application filed by Actuant Corp filed Critical Actuant Corp

2014-02-26 Publication of EP2699804A1 publication Critical patent/EP2699804A1/en

2015-07-29 Publication of EP2699804A4 publication Critical patent/EP2699804A4/en

Status Withdrawn legal-status Critical Current

Classifications

- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
- F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
- F15B11/13—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action using separate dosing chambers of predetermined volume
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3511—Lift-slab; characterised by a purely vertical lifting of floors or roofs or parts thereof
- 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
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
- 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
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/3051—Cross-check valves
- 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
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/30515—Load holding valves
- 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
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
- 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
- F15B2211/7052—Single-acting output members
- 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
- F15B2211/78—Control of multiple output members
- F15B2211/782—Concurrent control, e.g. synchronisation of two or more actuators

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
General Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Structural Engineering (AREA)
Fluid-Pressure Circuits (AREA)

EP12859424.9A 2011-04-21 2012-04-10 SYNCHRONIZED LIFTING DEVICE Withdrawn EP2699804A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US201161477931P	2011-04-21	2011-04-21
PCT/US2012/032836 WO2013095693A1 (en)	2011-04-21	2012-04-10	Synchronized lifting apparatus

Publications (2)

Publication Number	Publication Date
EP2699804A1 EP2699804A1 (en)	2014-02-26
EP2699804A4 true EP2699804A4 (en)	2015-07-29

Family

ID=48669325

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP12859424.9A Withdrawn EP2699804A4 (en)	2011-04-21	2012-04-10	SYNCHRONIZED LIFTING DEVICE

Country Status (4)

Country	Link
EP (1)	EP2699804A4 (en)
CN (1)	CN103562563A (en)
AU (1)	AU2012355968A1 (en)
WO (1)	WO2013095693A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2015203303A (en) *	2014-04-15	2015-11-16	ビアーヴァマルコ	Temporary passage with hydraulic type lifting means for flood damage area
CN104140060A (en) *	2014-06-27	2014-11-12	中航飞机股份有限公司西安飞机分公司	Synchronous jacking system of airplane
CN110182716A (en) *	2019-05-30	2019-08-30	广州高昌机电股份有限公司	Two column lifting equipments of one kind and lift control method
CN111608978A (en) *	2020-04-29	2020-09-01	浙江科力车辆控制系统有限公司	Non-differential servo type synchronous double-cylinder lifting mechanism
CN113428802B (en) *	2021-05-24	2022-07-29	上海交通大学	A pressure self-balancing hydraulic cooperative jacking device
CN113428803B (en) *	2021-05-25	2022-07-29	上海交通大学	Motion compensation type double-ship cooperative hydraulic jacking device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3783620A (en) *	1971-09-03	1974-01-08	J Moe	Synchronizer for hydraulic cylinders
US4241581A (en) *	1978-12-05	1980-12-30	The Boeing Company	Synchronizer for hydraulic actuators
EP0206382A2 (en) *	1985-06-24	1986-12-30	CORGHI ELETTROMECCANICA S.p.A.	Hydraulic system for controlling motor vehicle lifts in general
FR2695861A1 (en) *	1992-09-22	1994-03-25	Sipad Sa	Hydraulic power and speed selector for press mfr. - has hydro-electric detector connected to primary actuator chamber to sense changes in press closure speed and power.
US20040020197A1 (en) *	2002-07-30	2004-02-05	Cray Donald L.	Hydraulic synchronizer
CN101705951A (en) *	2009-11-17	2010-05-12	徐工集团工程机械有限公司	Self-compensating two-way synchronous reciprocating positioning and contraposition hydraulic system
CN201461586U (en) *	2009-06-30	2010-05-12	周建新	Hydraulic quantitative distributor

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Publication number	Priority date	Publication date	Assignee	Title
JPH0976996A (en) *	1995-09-11	1997-03-25	Soqi Inc	Hydraulic circuit for tilting device of ship propulsion machine
US5775104A (en) *	1996-03-20	1998-07-07	General Motors Corporation	Hydraulic apparatus for actuating a punch for a clutch facing machine
US6135724A (en) *	1998-07-08	2000-10-24	Oilquip, Inc.	Method and apparatus for metering multiple injection pump flow
US6814409B2 (en) *	2001-04-12	2004-11-09	A-Dec, Inc.	Hydraulic drive system
JP2007500314A (en) *	2003-05-06	2007-01-11	ジェイコブスビークルシステムズ、インコーポレイテッド	System and method for improving the performance of hydraulic actuation systems
US7322190B2 (en) *	2004-02-09	2008-01-29	Jr Automation Technologies Llc	Hydraulic system for synchronized extension of multiple cylinders
US20070045069A1 (en) *	2005-08-26	2007-03-01	Husco International, Inc.	Active vehicle suspension with integrated load leveling
CN201461589U (en)	2009-07-31	2010-05-12	上海一成汽车检测设备科技有限公司	Oil cylinder for lifting machine

2012
- 2012-04-10 EP EP12859424.9A patent/EP2699804A4/en not_active Withdrawn
- 2012-04-10 WO PCT/US2012/032836 patent/WO2013095693A1/en not_active Ceased
- 2012-04-10 AU AU2012355968A patent/AU2012355968A1/en not_active Abandoned
- 2012-04-10 CN CN201280025408.3A patent/CN103562563A/en active Pending

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3783620A (en) *	1971-09-03	1974-01-08	J Moe	Synchronizer for hydraulic cylinders
US4241581A (en) *	1978-12-05	1980-12-30	The Boeing Company	Synchronizer for hydraulic actuators
EP0206382A2 (en) *	1985-06-24	1986-12-30	CORGHI ELETTROMECCANICA S.p.A.	Hydraulic system for controlling motor vehicle lifts in general
FR2695861A1 (en) *	1992-09-22	1994-03-25	Sipad Sa	Hydraulic power and speed selector for press mfr. - has hydro-electric detector connected to primary actuator chamber to sense changes in press closure speed and power.
US20040020197A1 (en) *	2002-07-30	2004-02-05	Cray Donald L.	Hydraulic synchronizer
CN201461586U (en) *	2009-06-30	2010-05-12	周建新	Hydraulic quantitative distributor
CN101705951A (en) *	2009-11-17	2010-05-12	徐工集团工程机械有限公司	Self-compensating two-way synchronous reciprocating positioning and contraposition hydraulic system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013095693A1 *

Also Published As

Publication number	Publication date
EP2699804A1 (en)	2014-02-26
WO2013095693A1 (en)	2013-06-27
CN103562563A (en)	2014-02-05
AU2012355968A1 (en)	2013-10-31

Publication	Publication Date	Title
IL270574B (en)	2021-12-01	supported device
BR112014002553A2 (en)	2017-03-14	device
EP2780065A4 (en)	2015-05-27	NASALMASKENSYSTEM
DE102011100082A8 (en)	2013-01-10	Traygreifvorrichtung
EP2761267A4 (en)	2015-08-05	STANDARD ETHYLOMETER
DK2508158T3 (en)	2014-09-29	Hoist device
FI20115850A0 (en)	2011-08-31	Lift arrangement
EP2795884A4 (en)	2015-07-29	AUDIOCONFERENCING
FI10635U1 (en)	2014-09-29	Device
DK2715050T3 (en)	2020-02-10	PLUGING DEVICE
EP2701512A4 (en)	2014-11-26	ALDOSTERONSYNTHASEHEMMER
EP2768739A4 (en)	2015-10-21	AUGENBADBEHÄLTER
DK2505772T3 (en)	2013-08-05	Hydraulic device
FI20115828A0 (en)	2011-08-26	Lift arrangement
DE102011008613A8 (en)	2011-12-15	lighting device
FI20116297L (en)	2013-06-22	Stacking device
BR112013033001A2 (en)	2017-01-31	reconstitution device
DE112011104936A5 (en)	2013-11-28	Stanzstauchniet
EP2699804A4 (en)	2015-07-29	SYNCHRONIZED LIFTING DEVICE
EP2751473A4 (en)	2015-01-07	ILLUMINATION DEVICE
EP2771685A4 (en)	2015-10-21	KREBSBIOMARKER
BR112014000441A2 (en)	2017-02-14	lifting device
DE112012000958A5 (en)	2013-11-28	bucksaw
EP2788163A4 (en)	2015-10-21	NACHGUSSSYSTEM
DE112012002140A5 (en)	2014-03-06	lighting device

Legal Events

Date	Code	Title	Description
2014-01-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2014-02-26	17P	Request for examination filed	Effective date: 20131017
2014-02-26	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2014-07-30	DAX	Request for extension of the european patent (deleted)
2015-07-29	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20150626
2015-07-29	RIC1	Information provided on ipc code assigned before grant	Ipc: B66F 3/24 20060101ALI20150622BHEP Ipc: E04B 1/35 20060101ALI20150622BHEP Ipc: E01D 15/02 20060101ALI20150622BHEP Ipc: B66F 3/46 20060101ALI20150622BHEP Ipc: F15B 7/00 20060101AFI20150622BHEP Ipc: F15B 11/22 20060101ALI20150622BHEP Ipc: F15B 11/13 20060101ALI20150622BHEP
2018-08-08	17Q	First examination report despatched	Effective date: 20180709
2019-03-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2019-04-24	18D	Application deemed to be withdrawn	Effective date: 20181120