EP0271702A2 - Réservoir d'huile pour l'alimentation d'un circuit hydraulique de travail avec la fonction d'accumulation et pour la reprise d'huile retournée - Google Patents

Réservoir d'huile pour l'alimentation d'un circuit hydraulique de travail avec la fonction d'accumulation et pour la reprise d'huile retournée Download PDF

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Publication number
EP0271702A2
EP0271702A2 EP87116360A EP87116360A EP0271702A2 EP 0271702 A2 EP0271702 A2 EP 0271702A2 EP 87116360 A EP87116360 A EP 87116360A EP 87116360 A EP87116360 A EP 87116360A EP 0271702 A2 EP0271702 A2 EP 0271702A2
Authority
EP
European Patent Office
Prior art keywords
oil
oil container
space
container according
container
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
EP87116360A
Other languages
German (de)
English (en)
Other versions
EP0271702A3 (en
EP0271702B1 (fr
Inventor
Rudolf Hörmann
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.)
MAN Truck and Bus SE
Original Assignee
MAN Nutzfahrzeuge AG
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 MAN Nutzfahrzeuge AG filed Critical MAN Nutzfahrzeuge AG
Priority to AT87116360T priority Critical patent/ATE81388T1/de
Publication of EP0271702A2 publication Critical patent/EP0271702A2/fr
Publication of EP0271702A3 publication Critical patent/EP0271702A3/de
Application granted granted Critical
Publication of EP0271702B1 publication Critical patent/EP0271702B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26—Supply reservoir or sump assemblies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86187—Plural tanks or compartments connected for serial flow
    • Y10T137/86212—Plural compartments formed by baffles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86187—Plural tanks or compartments connected for serial flow
    • Y10T137/86228—With communicating opening in common walls of tanks or compartments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86292—System with plural openings, one a gas vent or access opening
    • Y10T137/86324—Tank with gas vent and inlet or outlet

Definitions

  • the invention relates to an oil tank for supplying oil to hydraulic working groups with a storage function, in particular of hydrostatic drive, braking, braking energy recovery and working devices in vehicles, lifting, conveying and similar systems, and for the recovery of returned oil.
  • hydraulic oil is fed to the hydraulic working groups of a system by means of a pump.
  • the oil that is returned to the oil container is leakage oil or e.g. through pressure relief valves, controlled oil.
  • This returned hydraulic oil is usually at an elevated temperature and can be permeated with air and microparticles.
  • the hydraulic oil to be returned from the oil tank to the circuit should not exceed a certain temperature, be clean and free of bubbles. External cooling devices, filters and air separators have hitherto been provided for this. However, this considerably increases the cost and the space requirement of the system as such.
  • it can e.g. for repair purposes, it may be necessary to drain the oil absorbed by the accumulator, which forms part of a hydraulic working circuit. As a rule, separate containers must also be provided for this.
  • the oil tank is divided into several functional rooms by internal partitions, namely a collecting room for receiving at least a large part of the system's internal oil volume as required, a feed room for leakage or diverted oil, an outlet connecting the latter, separated from it by an oil-permeable partition and a storage space, which connects to the transition space at the outlet thereof, separated from it by an also oil-permeable, functionally identical partition wall.
  • a collecting room for receiving at least a large part of the system's internal oil volume as required
  • a feed room for leakage or diverted oil an outlet connecting the latter, separated from it by an oil-permeable partition
  • a storage space which connects to the transition space at the outlet thereof, separated from it by an also oil-permeable, functionally identical partition wall.
  • the solution according to the invention thus provides an advantageous way of cooling, filtering, calming and freeing air from the oil returned to it with a single oil container, so that an excellently prepared oil that can be fed back into the hydraulic working groups is then restored in the reservoir of the oil container Oil is available.
  • the collection room can e.g. in the event of repairs, the oil is drained from the work groups and in particular from the store (s) and returned to the system after the repairs have been completed. As a result, the cumbersome provision of independent drain containers can be omitted.
  • the oil tank designated by (1) in the drawing is assigned to a hydraulic system with hydraulic working circuits and one or more hydraulic accumulators (HDS, NDS) - see FIG. 4.
  • This hydraulic system can, for example, be part of hydrostatic drive devices, braking devices, braking energy recovery devices, working devices in vehicles, for example commercial vehicles, lifting, conveying or similar systems.
  • the oil container (1) consists of an outer wall (2), a bottom (3) and a cover (4).
  • a number of functional rooms are provided in the oil tank (1), namely a collecting room (5), a feed-in room (6), a transfer room (7) and a storage room (8). These functional spaces are separated from one another by the internal division of the oil container (1) by partitions.
  • the gathering Space (5) which is used for receiving at least a large part of the system-internal oil quantity, for example in the case of repairs, is realized by providing an intermediate floor (9) which forms a partition and divides the oil container (1) transversely and in the illustrated embodiment together with the upper part of the container limits the collection space (5).
  • the lower part of the container is divided by an impermeable partition (10) and two oil-permeable partition walls (11, 12) adjoining it at the ends, on both sides, to form the feed space (6), transfer space (7) and storage space (8).
  • the partitions (10, 11, 12) each extend from the inside of the outer wall (2) of the oil tank (1) between the oil tank bottom (3) and the intermediate floor (9).
  • the feed space (6) serves to accommodate leakage or oil that has been shut off from the hydraulic working circuits, whereby on the outer wall (2) of the oil reservoir (1) area of the feed space (6) there is an opening and, taking the same outside, precautions, e.g. in Form of a connection block (13), for the connection of leakage oil and control return lines (14, 15) are provided.
  • the outlet of the feed space (6), separated from it by the oil-permeable wall (11), is connected to the transfer space (7).
  • the latter is connected to the collecting space (5) via a line (17) which can be shut off, for example by means of a tap (16), optionally also a remote-controllable valve.
  • a line (17) which can be shut off, for example by means of a tap (16), optionally also a remote-controllable valve.
  • the transfer space (7) is connected to the storage space (8), the transfer space (7) being separated from the storage space (8) by the oil-permeable partition (12).
  • the leakage oil returned to the oil tank (1) or the oil that is diverted from the hydraulic working circuits first arrives in the feed space (6), as can be seen in the diagram according to FIG. 4, and then flows further through the oil-permeable partition (11) into the transfer space ( 7) and then through the oil-permeable partition (12) into the storage room (8).
  • the oil fed into the feed space (6) is calmed, cooled, filtered and any air components present are removed. Calming, filtering and air separation take place on and in connection with the oil-permeable partition walls (11, 12).
  • the rooms (5, 6, 7, 8) are assigned corresponding display instruments for displaying the respective oil level.
  • These can be attached directly to the oil tank (1) and / or for remote monitoring with appropriate, on or in the oil tank (1) attached level sensors via sensor lines.
  • a sight glass (22) for the oil level in the upper control space (7), a sight glass (29) for the oil level in the collecting space (S) and a level sensor (23) are assigned to the storage space (8).
  • the level sensor (23) is arranged with its oil level sensor elements (25) in or on a riser pipe (24) which is attached to the intermediate floor (9) and extends through the collecting space (5) to the top of the oil container (1).
  • This riser pipe (24) is provided with a cover (26) on which a level sensor (23) is arranged.
  • the two oil-permeable partitions (11, 12) are preferably arranged interchangeably in the oil container (1) and in this case can be inserted or removed, for example, from the bottom (3) or the outer wall (2) of the oil container (1) through corresponding openings and insertion elements accommodated internally in corresponding guides can be formed, which is the case and indicated schematically in the exemplary embodiment shown.
  • the oil container (1) is equipped with a removable cover (4), optionally also with a removable bottom (3) or removable outer wall parts.
  • the oil tank (1) is arranged at a suitable point in the system to be supplied with oil. If the ambient conditions to which the oil container (1) is exposed, in particular the ambient air conditions and ambient temperature conditions, are not sufficient for sufficient cooling of the oil container (1), then an additional cooling device must be assigned to it, which can be effective on the outside and / or its interior, for example, as shown in FIG. 5, in the form of cooling coils (27).
  • an additional cooling device must be assigned to it, which can be effective on the outside and / or its interior, for example, as shown in FIG. 5, in the form of cooling coils (27).
  • temperature sensors (28) can be provided, which can be used with external display instruments and, if necessary, with regulating devices for controlling the coolant supply Oil container (1) are connected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
EP87116360A 1986-12-18 1987-11-06 Réservoir d'huile pour l'alimentation d'un circuit hydraulique de travail avec la fonction d'accumulation et pour la reprise d'huile retournée Expired - Lifetime EP0271702B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87116360T ATE81388T1 (de) 1986-12-18 1987-11-06 Oelbehaelter zur oelversorgung von hydraulischen arbeitskreisen mit speicherfunktion und zur wiederaufnahme rueckgeleiteten oeles.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3643265 1986-12-18
DE19863643265 DE3643265A1 (de) 1986-12-18 1986-12-18 Oelbehaelter zur oelversorgung von hydraulischen arbeitskreisen mit speicherfunktion und zur wiederaufnahme rueckgeleiteten oeles

Publications (3)

Publication Number Publication Date
EP0271702A2 true EP0271702A2 (fr) 1988-06-22
EP0271702A3 EP0271702A3 (en) 1990-04-25
EP0271702B1 EP0271702B1 (fr) 1992-10-07

Family

ID=6316484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87116360A Expired - Lifetime EP0271702B1 (fr) 1986-12-18 1987-11-06 Réservoir d'huile pour l'alimentation d'un circuit hydraulique de travail avec la fonction d'accumulation et pour la reprise d'huile retournée

Country Status (5)

Country Link
US (1) US4809745A (fr)
EP (1) EP0271702B1 (fr)
AT (1) ATE81388T1 (fr)
DE (2) DE3643265A1 (fr)
DK (1) DK161778C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008783A1 (fr) * 1988-03-08 1989-09-21 Mattsson Karl Erik Procede servant a reduire la chute de pression lors du passage d'un fluide et reservoir de systeme hydraulique permettant la circulation d'un fluide
EP0530685A1 (fr) * 1991-09-04 1993-03-10 Koyo Seiko Co., Ltd. Réservoir d'huile
EP4074966A1 (fr) * 2021-04-16 2022-10-19 Robert Bosch GmbH Réservoir et agencement doté d'un réservoir

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3835222A1 (de) * 1988-10-15 1990-04-19 Rahmer & Jansen Gmbh Hydraulik-oelbehaelter
JP2719002B2 (ja) * 1989-08-17 1998-02-25 日産自動車株式会社 燃料タンクのバッフル構造
US6035930A (en) * 1998-06-30 2000-03-14 Nelson Industries, Inc. Power steering reservoir and cooler
US6220283B1 (en) * 2000-02-16 2001-04-24 Daimlerchrysler Corporation Low silhouette power steering fluid reservoir
FR2830580B1 (fr) * 2001-10-10 2005-09-30 Bosch Gmbh Robert Reservoir hydraulique comportant un moyen pour reduire la quantite de bulles d'air en suspension dans un fluide hydraulique
DE10318114A1 (de) * 2003-04-22 2004-11-11 Robert Bosch Gmbh Elektrohydraulisches Bremssystem
KR100569465B1 (ko) * 2003-11-04 2006-04-07 현대자동차주식회사 차량용 파워스티어링장치의 리저버탱크
DE102004015960A1 (de) * 2004-03-02 2005-09-29 Zf Lenksysteme Gmbh Vorrichtung zur Aufnahme eines Hydraulikmediums
DE112005002732B4 (de) * 2004-11-04 2016-12-22 Komatsu Ltd. Hydraulikflüssigkeitstank
US8181746B2 (en) * 2008-09-18 2012-05-22 United Technologies Corporation Continuous supply fluid reservoir
US8038878B2 (en) * 2008-11-26 2011-10-18 Mann+Hummel Gmbh Integrated filter system for a coolant reservoir and method
US8241010B2 (en) * 2009-12-03 2012-08-14 Caterpillar Global Mining Llc Hydraulic reservoir for hydraulic regenerative circuit
US8491707B2 (en) * 2010-05-24 2013-07-23 Helgesen Design Services, Llc Fluid storage tank configured to remove entrained air from fluid
US8960227B2 (en) * 2012-03-16 2015-02-24 Caterpillar Sarl Hydraulic fluid tank
FR3010133B1 (fr) * 2013-09-02 2015-10-02 Snecma Reservoir comprenant une cloison inclinee munie a ses extremites d'orifices traversants pour une alimentation continue de turbomachine en liquide d'alimentation
CN103821780B (zh) * 2014-03-12 2016-08-17 石河子开发区合创农机装备有限公司 一种液压油箱
DE102014223947A1 (de) * 2014-11-25 2016-05-25 Robert Bosch Gmbh Kühlvorrichtung für ein Hydraulikaggregat und Verwendung einer Kühlvorrichtung
RU2613343C2 (ru) * 2014-12-16 2017-03-16 Общество с ограниченной ответственностью "МашНефтеГаз" Гидростанция циркуляционной смазки
CN105736487B (zh) * 2016-05-09 2017-03-29 山东科技大学 一种高效集成沉降、冷却和过滤吸附功能的一体化油箱及其应用
DE102016216698A1 (de) 2016-09-05 2018-03-08 Robert Bosch Gmbh Tank und elektrohydraulisches Kompaktaggregat mit einem Tank
CN110529440B (zh) * 2019-09-24 2020-09-15 哈尔滨工业大学 一种回油动力驱动带石墨烯导热风扇的液压油箱
US20220220983A1 (en) * 2021-01-11 2022-07-14 Deere & Company Apparatuses and methods for de-aeration of a liquid

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DE2715569A1 (de) * 1977-04-07 1978-10-12 Volkswagenwerk Ag Vorrichtung zum abschalten einer hydraulikanlage
US4210176A (en) * 1978-09-14 1980-07-01 J. I. Case Company Hydraulic liquid reservoir with internal baffle
DE3513143A1 (de) * 1985-04-12 1986-10-16 Franz 5413 Bendorf Hübner Hydraulikanlage fuer mobilen und/oder stationaeren betrieb

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Publication number Priority date Publication date Assignee Title
DE2715569A1 (de) * 1977-04-07 1978-10-12 Volkswagenwerk Ag Vorrichtung zum abschalten einer hydraulikanlage
US4210176A (en) * 1978-09-14 1980-07-01 J. I. Case Company Hydraulic liquid reservoir with internal baffle
DE3513143A1 (de) * 1985-04-12 1986-10-16 Franz 5413 Bendorf Hübner Hydraulikanlage fuer mobilen und/oder stationaeren betrieb

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SOVIET INVENTIONS ILLUSTRATED,Derwent Publications Ltd, Sektion Mechanik,Woche 8736, Zusammenfassung Nr.255554,Q57,16.Sep.1987 &SU-A-1285219(DNEPR HEAVY PRESS),23.Jan.1987 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008783A1 (fr) * 1988-03-08 1989-09-21 Mattsson Karl Erik Procede servant a reduire la chute de pression lors du passage d'un fluide et reservoir de systeme hydraulique permettant la circulation d'un fluide
EP0530685A1 (fr) * 1991-09-04 1993-03-10 Koyo Seiko Co., Ltd. Réservoir d'huile
US5356535A (en) * 1991-09-04 1994-10-18 Koyo Seiko Co., Ltd. Oil tank
EP4074966A1 (fr) * 2021-04-16 2022-10-19 Robert Bosch GmbH Réservoir et agencement doté d'un réservoir

Also Published As

Publication number Publication date
DK596287D0 (da) 1987-11-13
EP0271702A3 (en) 1990-04-25
DK596287A (da) 1988-06-19
DE3782148D1 (de) 1992-11-12
EP0271702B1 (fr) 1992-10-07
DE3643265A1 (de) 1988-07-07
DE3643265C2 (fr) 1990-01-04
US4809745A (en) 1989-03-07
DK161778C (da) 1992-01-20
ATE81388T1 (de) 1992-10-15
DK161778B (da) 1991-08-12

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