EP1176314A3 - Method and system for compensating the compressibility in hydraulic drives - Google Patents

Method and system for compensating the compressibility in hydraulic drives Download PDF

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Publication number
EP1176314A3
EP1176314A3 EP01116889A EP01116889A EP1176314A3 EP 1176314 A3 EP1176314 A3 EP 1176314A3 EP 01116889 A EP01116889 A EP 01116889A EP 01116889 A EP01116889 A EP 01116889A EP 1176314 A3 EP1176314 A3 EP 1176314A3
Authority
EP
European Patent Office
Prior art keywords
compressibility
compensating
hydraulic drives
hydraulic
drives
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
EP01116889A
Other languages
German (de)
French (fr)
Other versions
EP1176314A2 (en
EP1176314B1 (en
Inventor
Wolfgang Prof. Dr.-Ing. Backé
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP1176314A2 publication Critical patent/EP1176314A2/en
Publication of EP1176314A3 publication Critical patent/EP1176314A3/en
Application granted granted Critical
Publication of EP1176314B1 publication Critical patent/EP1176314B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/09—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means
    • 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
    • F15B21/08—Servomotor systems incorporating electrically operated control means

Abstract

Eine Vorrichtung und ein Verfahren mit wenigstens einem Verdrängerraum gleicht die Kompressibilität der Hydraulikflüssigkeit bei hydraulischen Antrieben aus.

Figure 00000001
An apparatus and a method with at least one displacement chamber compensates for the compressibility of the hydraulic fluid in hydraulic drives.
Figure 00000001
EP20010116889 2000-07-26 2001-07-11 Method and system for compensating the compressibility in hydraulic drives Expired - Lifetime EP1176314B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10036646 2000-07-26
DE2000136646 DE10036646A1 (en) 2000-07-26 2000-07-26 Device and method for compensating the compressibility in hydraulic drives

Publications (3)

Publication Number Publication Date
EP1176314A2 EP1176314A2 (en) 2002-01-30
EP1176314A3 true EP1176314A3 (en) 2004-01-07
EP1176314B1 EP1176314B1 (en) 2006-02-15

Family

ID=7650431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010116889 Expired - Lifetime EP1176314B1 (en) 2000-07-26 2001-07-11 Method and system for compensating the compressibility in hydraulic drives

Country Status (2)

Country Link
EP (1) EP1176314B1 (en)
DE (2) DE10036646A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006002566B4 (en) 2006-01-18 2014-11-13 Eurocopter Deutschland Gmbh hydraulic system
DE102009027070A1 (en) * 2009-06-22 2010-12-23 Zf Friedrichshafen Ag Control circuit for a pneumatic or hydraulic actuator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805530A (en) * 1971-07-29 1974-04-23 Pacific Press & Shear Corp Compensated series hydraulic system
US4630523A (en) * 1980-05-03 1986-12-23 Deutsche Forschungs- Und Versuchsanstalt Fur Luft- Und Raumfahrt E.V. Electrohydraulic regulating drive
US4932840A (en) * 1987-07-28 1990-06-12 Tokyo Keiki Company Ltd. Control apparatus of variable delivery pump
DE4228308A1 (en) * 1992-08-26 1994-03-03 Rexroth Mannesmann Gmbh Double-cylinder hydraulic drive control system e.g. for machine tool - compensates change in volume of pressure spaces of cylinder by piezoelectrically-actuated pistons located at ends of cylinder, with piezoelectric actuators closed off from pressure spaces

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805530A (en) * 1971-07-29 1974-04-23 Pacific Press & Shear Corp Compensated series hydraulic system
US4630523A (en) * 1980-05-03 1986-12-23 Deutsche Forschungs- Und Versuchsanstalt Fur Luft- Und Raumfahrt E.V. Electrohydraulic regulating drive
US4932840A (en) * 1987-07-28 1990-06-12 Tokyo Keiki Company Ltd. Control apparatus of variable delivery pump
DE4228308A1 (en) * 1992-08-26 1994-03-03 Rexroth Mannesmann Gmbh Double-cylinder hydraulic drive control system e.g. for machine tool - compensates change in volume of pressure spaces of cylinder by piezoelectrically-actuated pistons located at ends of cylinder, with piezoelectric actuators closed off from pressure spaces

Also Published As

Publication number Publication date
DE10036646A1 (en) 2002-02-14
DE50108932D1 (en) 2006-04-20
EP1176314A2 (en) 2002-01-30
EP1176314B1 (en) 2006-02-15

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