EP0552841A3 - - Google Patents
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- Publication number
- EP0552841A3 EP0552841A3 EP93200129A EP93200129A EP0552841A3 EP 0552841 A3 EP0552841 A3 EP 0552841A3 EP 93200129 A EP93200129 A EP 93200129A EP 93200129 A EP93200129 A EP 93200129A EP 0552841 A3 EP0552841 A3 EP 0552841A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- medium
- undissolved gas
- compressibility
- amount
- hydraulic
- 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
Links
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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Accessories For Mixers (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9200128 | 1992-01-23 | ||
NL9200128A NL9200128A (nl) | 1992-01-23 | 1992-01-23 | Werkwijze en inrichting voor het detecteren van niet opgeloste gassen in een hydraulisch systeem. |
NL9200995 | 1992-06-05 | ||
NL9200995A NL9200995A (nl) | 1992-06-05 | 1992-06-05 | Werkwijze en inrichting voor het detecteren van onopgelost gas in een hydraulisch besturingssysteem. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0552841A2 EP0552841A2 (de) | 1993-07-28 |
EP0552841A3 true EP0552841A3 (de) | 1994-12-21 |
EP0552841B1 EP0552841B1 (de) | 1999-06-09 |
Family
ID=26646927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93200129A Expired - Lifetime EP0552841B1 (de) | 1992-01-23 | 1993-01-19 | Verfahren und Vorrichtung zur Erkennung von ungelöstes Gaz in hydraulische Systemen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0552841B1 (de) |
AT (1) | ATE181142T1 (de) |
DE (1) | DE69325190T2 (de) |
ES (1) | ES2134239T3 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1004028C2 (nl) * | 1996-09-13 | 1998-03-16 | Sun Electric Systems Bv | Werkwijze voor het bepalen van de hoeveelheid onopgelost gas in een hydraulisch systeem. |
DE102004038801B4 (de) * | 2004-08-10 | 2014-05-22 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Vorrichtung zur Erkennung von Gaseinschlüssen in einem zähflüssigen Medium |
EP2302270B1 (de) | 2009-09-29 | 2012-09-12 | Sun Test Systems B.V. | Verfahren zur Bestimmung einer Funktion eines Gasablassventils |
DE102012221954A1 (de) * | 2012-11-30 | 2014-06-05 | Robert Bosch Gmbh | Gaserkennungsvorrichtung |
DE102013224744B4 (de) * | 2013-12-03 | 2024-04-04 | Zf Friedrichshafen Ag | Verfahren zum Reduzieren von Luftansammlungen |
CN110985462B (zh) * | 2019-12-12 | 2021-08-06 | 四川凌峰航空液压机械有限公司 | 排除脉冲试验作动筒及其管路气体的液压系统 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4089206A (en) * | 1975-09-27 | 1978-05-16 | Maschinenfabrik Hennecke Gmbh | Method and apparatus for measuring the proportion of undissolved gas in a liquid component for the production of foam materials |
EP0022394A1 (de) * | 1979-07-05 | 1981-01-14 | AMS, société anonyme | Verfahren und Vorrichtung zur Kontrolle der Entgasung eines Hydrauliksystems |
FR2474196A1 (fr) * | 1980-01-22 | 1981-07-24 | Armines | Cellule pour la determination de la relation, a temperature donnee, entre pression et volumes respectivement liquide et gazeux d'un produit et/ou melange en phases liquide et gazeuse |
US4329869A (en) * | 1979-07-27 | 1982-05-18 | Kabushiki Kaisha Polyurethan Engineering | Apparatus for measuring the amount of air bubbles contained in liquid |
DE3233551A1 (de) * | 1982-09-10 | 1984-03-15 | Danfoss A/S, 6430 Nordborg | Vorrichtung zur erfassung des gasanteils in einem unter druck stehenden fluessigkeitssystem |
FR2547051A1 (fr) * | 1983-06-06 | 1984-12-07 | Petroles Cie Francaise | Appareillage de mesure pour l'etude des relations entre la pression et les volumes liquide et/ou gazeux pour un produit a phases liquide et/ou gazeuse |
FR2572530A1 (fr) * | 1984-10-26 | 1986-05-02 | Armines | Appareillage automatique de mesure de fractions vaporisees de corps purs et/ou melanges et des densites des phases liquide et/ou vapeur avec prelevement d'echantillons de phase vapeur |
EP0206119A1 (de) * | 1985-06-13 | 1986-12-30 | Shen, Hanshi Petroleum and Chemical Factory | Verfahren und Gerät zur Beseitigung von Kaviation in hydraulischen Systemen |
EP0451752A2 (de) * | 1990-04-12 | 1991-10-16 | Afros S.P.A. | Verfahren und Vorrichtung zur Analyse von in einer Flüssigkeit dispergiertem Gas |
-
1993
- 1993-01-19 EP EP93200129A patent/EP0552841B1/de not_active Expired - Lifetime
- 1993-01-19 DE DE69325190T patent/DE69325190T2/de not_active Expired - Fee Related
- 1993-01-19 AT AT93200129T patent/ATE181142T1/de not_active IP Right Cessation
- 1993-01-19 ES ES93200129T patent/ES2134239T3/es not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4089206A (en) * | 1975-09-27 | 1978-05-16 | Maschinenfabrik Hennecke Gmbh | Method and apparatus for measuring the proportion of undissolved gas in a liquid component for the production of foam materials |
EP0022394A1 (de) * | 1979-07-05 | 1981-01-14 | AMS, société anonyme | Verfahren und Vorrichtung zur Kontrolle der Entgasung eines Hydrauliksystems |
US4329869A (en) * | 1979-07-27 | 1982-05-18 | Kabushiki Kaisha Polyurethan Engineering | Apparatus for measuring the amount of air bubbles contained in liquid |
FR2474196A1 (fr) * | 1980-01-22 | 1981-07-24 | Armines | Cellule pour la determination de la relation, a temperature donnee, entre pression et volumes respectivement liquide et gazeux d'un produit et/ou melange en phases liquide et gazeuse |
DE3233551A1 (de) * | 1982-09-10 | 1984-03-15 | Danfoss A/S, 6430 Nordborg | Vorrichtung zur erfassung des gasanteils in einem unter druck stehenden fluessigkeitssystem |
FR2547051A1 (fr) * | 1983-06-06 | 1984-12-07 | Petroles Cie Francaise | Appareillage de mesure pour l'etude des relations entre la pression et les volumes liquide et/ou gazeux pour un produit a phases liquide et/ou gazeuse |
FR2572530A1 (fr) * | 1984-10-26 | 1986-05-02 | Armines | Appareillage automatique de mesure de fractions vaporisees de corps purs et/ou melanges et des densites des phases liquide et/ou vapeur avec prelevement d'echantillons de phase vapeur |
EP0206119A1 (de) * | 1985-06-13 | 1986-12-30 | Shen, Hanshi Petroleum and Chemical Factory | Verfahren und Gerät zur Beseitigung von Kaviation in hydraulischen Systemen |
EP0451752A2 (de) * | 1990-04-12 | 1991-10-16 | Afros S.P.A. | Verfahren und Vorrichtung zur Analyse von in einer Flüssigkeit dispergiertem Gas |
Also Published As
Publication number | Publication date |
---|---|
DE69325190T2 (de) | 1999-10-28 |
DE69325190D1 (de) | 1999-07-15 |
ES2134239T3 (es) | 1999-10-01 |
EP0552841B1 (de) | 1999-06-09 |
EP0552841A2 (de) | 1993-07-28 |
ATE181142T1 (de) | 1999-06-15 |
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