EP0718496A3 - Système électrohydraulique à assistance variable - Google Patents
Système électrohydraulique à assistance variable Download PDFInfo
- Publication number
- EP0718496A3 EP0718496A3 EP95308558A EP95308558A EP0718496A3 EP 0718496 A3 EP0718496 A3 EP 0718496A3 EP 95308558 A EP95308558 A EP 95308558A EP 95308558 A EP95308558 A EP 95308558A EP 0718496 A3 EP0718496 A3 EP 0718496A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- electro
- hydraulic system
- variable assist
- sensed
- motor
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2203/00—Motor parameters
- F04B2203/02—Motor parameters of rotating electric motors
- F04B2203/0201—Current
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2203/00—Motor parameters
- F04B2203/02—Motor parameters of rotating electric motors
- F04B2203/0202—Voltage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2207/00—External parameters
- F04B2207/01—Load in general
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35850694A | 1994-12-19 | 1994-12-19 | |
US358506 | 1994-12-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0718496A2 EP0718496A2 (fr) | 1996-06-26 |
EP0718496A3 true EP0718496A3 (fr) | 1998-12-02 |
Family
ID=23409939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95308558A Withdrawn EP0718496A3 (fr) | 1994-12-19 | 1995-11-28 | Système électrohydraulique à assistance variable |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0718496A3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9150076B2 (en) | 2010-07-05 | 2015-10-06 | Fluid Ride, Ltd. | Suspension strut for a vehicle |
US9574582B2 (en) | 2012-04-23 | 2017-02-21 | Fluid Ride, Ltd. | Hydraulic pump system and method of operation |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5668328A (en) * | 1996-07-17 | 1997-09-16 | Applied Power Inc. | Method and apparatus for hydraulically tightening threaded fasteners |
DE19842565B4 (de) * | 1998-09-03 | 2005-08-25 | Ksb Ag | Automatische Ermittlung der PID-Reglerparameter für einen Druckregelkreis in Mehrpumpenanlagen |
CA2405739C (fr) | 2000-04-14 | 2006-12-05 | Actuant Corporation | Pompe hydraulique a vitesse variable |
US6935639B1 (en) * | 2004-02-18 | 2005-08-30 | Visteon Global Technologies, Inc. | Mean pressure estimation for compressible fluid strut |
FR2870570B1 (fr) * | 2004-05-21 | 2006-08-18 | Koyo Hpi Soc Par Actions Simpl | Systeme de groupe electro-pompe pourvu de moyens de limitation de la pression du fluide hydraulique fourni par la pompe |
CN101970875B (zh) * | 2008-03-26 | 2014-08-27 | 泰克铌水刀有限公司 | 具有交替转动到线性移动的驱动机构的超高压泵 |
AT522933B1 (de) | 2019-09-06 | 2021-04-15 | Weber Hydraulik Gmbh | Tragbares, akkubetriebenes Hydraulikaggregat für hydraulische Rettungswerkzeuge |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4145161A (en) * | 1977-08-10 | 1979-03-20 | Standard Oil Company (Indiana) | Speed control |
DE3210082A1 (de) * | 1981-04-02 | 1982-10-21 | IWE Ingenieurgesellschaft für wirtschaftliche Energienutzung mbH, 6078 Neu-Isenburg | Verfahren und schaltungsanordnung zur regelung der drehzahl eines pumpenmotors |
US5131507A (en) * | 1989-06-15 | 1992-07-21 | Mitsubishi Denki Kabushiki Kaisha | Hydraulic elevator control apparatus using VVVF to determine the electric drive motor rotational speed |
EP0557543A1 (fr) * | 1991-01-31 | 1993-09-01 | Ranco Incorporated Of Delaware | Commande de moteur à vitesse variable |
EP0607888A1 (fr) * | 1993-01-21 | 1994-07-27 | Still Gmbh | Contrôle de direction hydraulique pour véhicule électrique |
US5467281A (en) * | 1993-03-13 | 1995-11-14 | Toyoda Koki Kabushiki Kaisha | Controller for power steering apparatus |
-
1995
- 1995-11-28 EP EP95308558A patent/EP0718496A3/fr not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4145161A (en) * | 1977-08-10 | 1979-03-20 | Standard Oil Company (Indiana) | Speed control |
DE3210082A1 (de) * | 1981-04-02 | 1982-10-21 | IWE Ingenieurgesellschaft für wirtschaftliche Energienutzung mbH, 6078 Neu-Isenburg | Verfahren und schaltungsanordnung zur regelung der drehzahl eines pumpenmotors |
US5131507A (en) * | 1989-06-15 | 1992-07-21 | Mitsubishi Denki Kabushiki Kaisha | Hydraulic elevator control apparatus using VVVF to determine the electric drive motor rotational speed |
EP0557543A1 (fr) * | 1991-01-31 | 1993-09-01 | Ranco Incorporated Of Delaware | Commande de moteur à vitesse variable |
EP0607888A1 (fr) * | 1993-01-21 | 1994-07-27 | Still Gmbh | Contrôle de direction hydraulique pour véhicule électrique |
US5467281A (en) * | 1993-03-13 | 1995-11-14 | Toyoda Koki Kabushiki Kaisha | Controller for power steering apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9150076B2 (en) | 2010-07-05 | 2015-10-06 | Fluid Ride, Ltd. | Suspension strut for a vehicle |
US9574582B2 (en) | 2012-04-23 | 2017-02-21 | Fluid Ride, Ltd. | Hydraulic pump system and method of operation |
Also Published As
Publication number | Publication date |
---|---|
EP0718496A2 (fr) | 1996-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB0111918D0 (en) | Control arrangement and method for a hydraulic system | |
KR970706160A (ko) | 유압 브레이크 시스템 및 압력 조절 방법(hydraulic braking system and pressure-regulating method) | |
EP0913317A3 (fr) | Commande pour direction assistée électro-hydraulique avec compensation en température du fluide et en vitesse de moteur de signal de charge de direction assistée | |
EP0913316A3 (fr) | Commande pour direction assistée électro-hydraulique avec commutation de vitesse de moteur et compensation en température du fluide de points de commutation | |
WO2001020126A3 (fr) | Systeme ameliorant la circulation des fluides dans un puits | |
CA2213457A1 (fr) | Systeme de commande de pompe hydraulique pour avion | |
EP0752297A3 (fr) | Marteau à percussion hydraulique | |
ES2075412T3 (es) | Dispositivo para controlar motores hidraulicos. | |
EP0649722A3 (fr) | Dispositif hydraulique. | |
EP0982207A3 (fr) | Dispositif d'augmentation de la pression dans les cylindres de frein par commande du moteur de la pompe et de diminution de la pression par le contrôle de l' énergie électrique alimentant une valve de commande | |
EP0922835A3 (fr) | Système et procédé pour la récupération de fluides à partir d'un puits | |
EP1447482A3 (fr) | Système d'entraínement hydraulique | |
EP0777055A3 (fr) | Mécanisme d'actionnement pour actionneurs hydrauliques | |
ES8204114A1 (es) | Perfeccionamientos en accionamientos reguladores electro-hi-draulicos para valvulas de turbinas | |
EP0962378A3 (fr) | Méthode de commande pour direction assistée électrohydraulique | |
EP0718496A3 (fr) | Système électrohydraulique à assistance variable | |
EP0723097A3 (fr) | Système de commande hydraulique pour sychronisateur | |
EP0952349A3 (fr) | Régulation de pompe électrique pour une transmission à variation continue | |
EP1039134A3 (fr) | Système de régulation des pompes en surnombre | |
EP0962377A3 (fr) | Procédé pour limiter l'assistance hydraulique pour un système de direction assistée | |
EP0987164A3 (fr) | Direction assistée | |
EP0551513A4 (fr) | Systeme hydraulique de commande d'engin de chantier. | |
ES8305896A1 (es) | "instalacion de propulsion electrohidraulica". | |
EP0553348A4 (en) | System for controlling number of rotations of prime mover in hydraulically driven vehicle | |
EP0848402A3 (fr) | Temporisateur actionné par un fluide |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: LOCKHEED MARTIN CORPORATION |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB |
|
17P | Request for examination filed |
Effective date: 19990429 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 20000327 |