EP2245277A1 - Druckmittelleiteinsatz für ein steuerventil in einer hydraulischen stellvorrichtung - Google Patents
Druckmittelleiteinsatz für ein steuerventil in einer hydraulischen stellvorrichtungInfo
- Publication number
- EP2245277A1 EP2245277A1 EP09704539A EP09704539A EP2245277A1 EP 2245277 A1 EP2245277 A1 EP 2245277A1 EP 09704539 A EP09704539 A EP 09704539A EP 09704539 A EP09704539 A EP 09704539A EP 2245277 A1 EP2245277 A1 EP 2245277A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide sleeve
- pressure medium
- plastic part
- insert
- guide
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
- F01L2001/3443—Solenoid driven oil control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil
- F01L2001/3444—Oil filters
Definitions
- the invention relates to a Druckstoffleitrise for a control valve in a hydraulic actuator with a tubular guide sleeve for guiding a control piston, which is arranged in a receptacle.
- the object of the invention is to provide a favorable in terms of material and manufacturing costs Druckstoffleitinate.
- a plastic part is arranged on the outer side of the guide sleeve, which has sealing webs which on the inside on the webs of the guide elements which separate the passage openings. support sleeve and sealingly against the outside of the inside of the receptacle.
- a control valve usually consists of a hydraulic section and an actuator.
- the hydraulic section has a valve housing and a control piston arranged therein and displaceable by the actuator.
- the pressure medium pipe insert is understood to mean the valve housing of the hydraulic section.
- the receptacle is formed in these cases, for example, on a rotor of the hydraulic actuator or a cylinder head or cylinder head cover, in which the hydraulic section can be accommodated, wherein the valve housing sealingly abuts the boundary surface of the receptacle.
- an intermediate sleeve is inserted between the valve housing and the control piston in order to realize, for example, more complex flow paths for the pressure medium.
- the intermediate sleeve can be regarded as Druckstoffleitrise, which is received in the receptacle formed by the valve housing.
- control valves are conceivable in which the invention can be realized.
- a Druckstoffleitrise which consists of a guide sleeve, which may be made of a very thin-walled blank, preferably a tube, and a plastic part, which can be inexpensively manufactured in an injection molding process.
- the plastic part of the Druckstoffleit respondents seals this in the recording and prevents the pressure fluid can inadvertently penetrate from a Druckmiaritkanal in an adjacent Druckstoffleitkanal.
- the degree of material utilization of the Druckstoffleitmbies is thus significantly improved, since a majority of the wall thickness of the Druckstoffleitgoves is now formed from the inexpensive injection-molded plastic part.
- a tube can be used for the guide sleeve, in which only the through holes must be drilled, so that the necessary machining for the component is reduced to a minimum overall.
- the pressure medium insert can have an integrated filter fabric, so that any further filter elements can be omitted. As a result, a very large and arranged directly on the control edges filter surface is created. Furthermore, eliminates any additional installation work for the filter elements.
- the guide sleeve and the plastic part are connected to each other in the longitudinal direction of the guide sleeve via a positive connection, so that both parts can not move in the longitudinal direction to each other.
- annular grooves can be provided on the outside of the guide sleeve in the region of the passage openings, which ensure the best oil flow.
- the plastic part can preferably be formed by an encapsulation of the guide sleeve, which represents a particularly cost-effective manner of production. If the passage openings are arranged in the proposed lower-lying annular grooves, it is advisable to support the slide tools for the encapsulation process on the higher-lying webs, so that the lower-lying annular grooves with the passage openings arranged therein do not interfere with the encapsulation material in the injection molding process Contact can come.
- the proposed filter fabric can be arranged on the guide sleeve prior to the encapsulation process, so that this is fixed after the encapsulation of the guide sleeve between the latter and the plastic part.
- the plastic part is made as a separate part, it is proposed to fasten this by means of a latching, pressing and / or adhesive connection to the guide sleeve.
- the proposed filter fabric will then be already encapsulated in the production of the plastic part, so that the filter fabric itself is part of the plastic part.
- the guide sleeve has on one side a connecting piece with an axial bore for a pressure medium inlet and / or for connecting an actuator.
- a tube can be used cost-effectively for the guide sleeve, wherein the considerably more massive connector can be made separately. Overall, this further reduces the required proportion of machining since the dimensions of the blank forming the guide sleeve are no longer determined by the connection piece.
- connection piece can be positively connected to the plastic part, so that the connection piece is connected to the guide sleeve via the plastic part held on the guide sleeve.
- a particularly simple connection of all three parts is to connect the connector and the plastic part together so that the guide sleeve is held between the two parts.
- Fig. 2a-2c hydraulic fluid insert with guide tube, separate connector and molded sealing webs
- a Druckmitffenleitrus 1 can be seen, which is hollow and has an internally guided connected to an actuator 30 control piston 20.
- the pressure medium insert 1 itself is arranged in a control valve 14 for a device for the variable adjustment of the control times of gas exchange valves of an internal combustion engine as described, for example, in DE 10 2005 052 481 A1.
- the adjustment of the timing is done by the displacement of the control piston 20 in the Druckstoffleitdondon 1 and thus controlled pressure medium flow.
- DE 10 2005 052 481 A1 With regard to the mode of operation of the pressure medium insert and its arrangement in the control valve, reference is expressly made to DE 10 2005 052 481 A1, which is therefore to be added to the disclosure content of this application.
- the guide sleeve 2 serves to guide the control piston 20, and is provided with it provided closable passages 6.
- the overmolded plastic part 3 is used to seal the pressure medium insert 1 in its receptacle, and the mutual sealing of the Druckstoffleitkanäle. Due to the inventive design of the Druckstoffleitunes 1, it is only necessary to edit the thin-walled guide sleeve 2, while the significantly thicker required for the seal wall thickness is formed by the plastic part 3. As a result, the proportion of machining required is significantly reduced overall, as can be clearly seen from the drawing.
- a tubular filter 5 is further arranged, which is arranged on the latter before the encapsulation of the guide sleeve 2 and thereby ideally after injection all fürstricken. 6 outlet openings covers.
- the passage openings 6 are arranged in the manner of a grid consisting of three rows of 6 openings. Due to the regular arrangement of the passage openings 6 straight webs 8 are formed between the passage openings on which the sealing webs 9 of the plastic part 3 are supported radially inwardly.
- sealing webs 9 of the plastic part 3 With the arrangement of the sealing webs 9 of the plastic part 3 on the webs 8 of the guide sleeve 2 sufficient support of the sealing webs 9 is provided so that they can fulfill their proper function, namely on the inner wall of the receptacle 15, the Druckmivantitkanäle each other properly.
- a groove 10 is provided, in which plastic material can flow during encapsulation, so that after hardening of the plastic a positive connection between plastic part 3 and guide sleeve 2 results and the plastic part 3 in the longitudinal direction of the guide sleeve 2 can not slip.
- the passage openings 6 are arranged in annular grooves 7, so that there is a shoulder 12 between the passage openings 6, on which the slide tool can be supported during the extrusion coating while clamping the filter 5.
- FIGs 2a-2c an alternative embodiment of the invention can be seen, in which the connecting piece 4 and the guide sleeve 2 is formed of two separate parts.
- the material utilization rate further increases, as a result, a tube can be used for the guide sleeve 2, in which only the passage openings 6 have to be drilled.
- the much more massive connector can then be made as a separate part, for example, with a machining.
- a holding member 11 is provided with a radially outwardly projecting hook, which is encapsulated by the plastic part 3, and the plastic part 3 secures in the longitudinal direction.
- the holding element 11 may be formed integrally with the connecting piece 4 or as a separate clamping ring on the guide sleeve 2.
- FIGS. 3 a - 3 c A further alternative embodiment can be seen in FIGS. 3 a - 3 c, in which the plastic part 3 with the filter 5 encapsulated in the form of a prefabricated part is fastened on the guide sleeve 2.
- the filter 5 is encapsulated on both sides by inner layers 3c and outer layers 3d of the plastic part 3, so that there is no contact between the filter 5 and the guide sleeve 2.
- the Locking piece 4 has a cylindrical extension 4a, in which a groove 14 is provided.
- the plastic part 3 projects beyond the extension 4a and engages with an inwardly projecting shoulder 3a in the groove 14 a.
- the plastic part 3 is connected in the longitudinal direction via a positive connection with the connector 4.
- the embodiment of Figures 3a-3c can be seen, wherein the plastic part 3 is additionally provided here at its end facing away from the connection piece 4 with an inwardly projecting shoulder 3b.
- the guide sleeve 2 is thus clamped after locking the plastic part 3 with the connector 4 between the paragraph 3b and the connection piece 4, so that all three items can be joined together in a pre-assembly process and then can be installed together as a composite component.
- a further filter section 5a may be provided, which extends radially between the shoulder 3b.
- This filter section 5a covers the axial opening of the guide sleeve 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Multiple-Way Valves (AREA)
- Magnetically Actuated Valves (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008006178A DE102008006178A1 (de) | 2008-01-26 | 2008-01-26 | Druckmitteleinsatz für ein Steuerventil in einer hydraulischen Stellvorrichtung |
PCT/EP2009/000446 WO2009092609A1 (de) | 2008-01-26 | 2009-01-24 | Druckmittelleiteinsatz für ein steuerventil in einer hydraulischen stellvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2245277A1 true EP2245277A1 (de) | 2010-11-03 |
EP2245277B1 EP2245277B1 (de) | 2011-08-24 |
Family
ID=40584724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09704539A Not-in-force EP2245277B1 (de) | 2008-01-26 | 2009-01-24 | Druckmittelleiteinsatz für ein steuerventil in einer hydraulischen stellvorrichtung |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100327209A1 (de) |
EP (1) | EP2245277B1 (de) |
KR (1) | KR101537432B1 (de) |
CN (1) | CN101918682B (de) |
AT (1) | ATE521792T1 (de) |
DE (1) | DE102008006178A1 (de) |
WO (1) | WO2009092609A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010007463A1 (de) * | 2010-02-10 | 2011-09-29 | Hydraulik-Ring Gmbh | Cartridgeventil |
DE102011007745A1 (de) * | 2011-04-20 | 2012-10-25 | Mahle International Gmbh | Dichtungsanordnung |
KR101228868B1 (ko) * | 2012-10-08 | 2013-02-05 | 주식회사 상아정공 | 엔진오일 컨트롤 밸브의 필터 독립형 슬리브 |
DE102012110570A1 (de) | 2012-11-05 | 2014-05-08 | Hilite Germany Gmbh | Buchse für ein hydraulisches Kolbenventil, hydraulisches Kolbenventil und Nockenwellenversteller |
DE102015200543B4 (de) * | 2015-01-15 | 2020-11-05 | Schaeffler Technologies AG & Co. KG | Steuerventil mit Ablaufkanal und Verbrennungsmotor |
DE102019133669A1 (de) * | 2019-12-10 | 2021-06-10 | Schaeffler Technologies AG & Co. KG | Vorrichtung mit einem Bauteil und einem Ventilgehäuse |
CN112983918B (zh) * | 2021-03-31 | 2021-12-07 | 同济大学 | 一种双向快速作动的大流量液压动力机构 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3580287A (en) * | 1969-02-10 | 1971-05-25 | Norgren Co C A | Directional control valve |
US6019120A (en) * | 1996-12-19 | 2000-02-01 | Saturn Electronics & Engineering, Inc. | Single stage variable force solenoid pressure regulating valve |
US5845667A (en) * | 1996-12-19 | 1998-12-08 | Saturn Electronics & Engineering, Inc. | Single stage variable force solenoid pressure regulating valve |
US5984259A (en) * | 1997-11-26 | 1999-11-16 | Saturn Electronics & Engineering, Inc. | Proportional variable force solenoid control valve with armature damping |
US6029703A (en) * | 1998-12-18 | 2000-02-29 | Borg-Warner Automotive, Inc. | Pressure solenoid control valve with flux shunt |
US6065495A (en) * | 1999-02-04 | 2000-05-23 | General Motors Corporation | Two-position, three-way solenoid-actuated valve |
US6382148B1 (en) * | 1999-06-10 | 2002-05-07 | Unisia Jecs Corporation | Oil pressure control apparatus for an internal combustion engine |
US6343621B1 (en) * | 2000-06-30 | 2002-02-05 | Borgwarner Inc. | Variable force solenoid control valve |
DE10143433B4 (de) * | 2001-09-05 | 2013-09-26 | Hilite Germany Gmbh | Proportionalventil |
JP4168383B2 (ja) * | 2003-02-25 | 2008-10-22 | アイシン精機株式会社 | フィルタ付き弁 |
JP4222205B2 (ja) * | 2003-12-25 | 2009-02-12 | 株式会社デンソー | 電磁スプール弁 |
EP1596040B1 (de) * | 2004-05-14 | 2010-10-13 | Schaeffler KG | Nockenwellenversteller |
US8047222B2 (en) * | 2004-10-18 | 2011-11-01 | Wilden Pump And Engineering Llc | Air valve for an air driven reciprocating device |
JP4150728B2 (ja) * | 2005-01-18 | 2008-09-17 | トヨタ自動車株式会社 | スリーブ及びシリンダヘッドカバー |
DE102005052481A1 (de) * | 2005-11-03 | 2007-05-24 | Schaeffler Kg | Steuerventil für eine Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
DE102006019543A1 (de) * | 2006-04-27 | 2007-10-31 | Schaeffler Kg | Plattenrückschlagventil mit seitlicher Abströmung und Steuerkante |
DE102006022402A1 (de) * | 2006-05-13 | 2007-12-06 | Schaeffler Kg | Steuerventil für einen Nockenwellenversteller |
DE102006031595A1 (de) * | 2006-07-08 | 2008-02-21 | Schaeffler Kg | Hydraulisches Spannsystem |
-
2008
- 2008-01-26 DE DE102008006178A patent/DE102008006178A1/de not_active Withdrawn
-
2009
- 2009-01-24 AT AT09704539T patent/ATE521792T1/de active
- 2009-01-24 CN CN2009801025215A patent/CN101918682B/zh not_active Expired - Fee Related
- 2009-01-24 US US12/864,299 patent/US20100327209A1/en not_active Abandoned
- 2009-01-24 EP EP09704539A patent/EP2245277B1/de not_active Not-in-force
- 2009-01-24 WO PCT/EP2009/000446 patent/WO2009092609A1/de active Application Filing
- 2009-01-24 KR KR1020107016515A patent/KR101537432B1/ko active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO2009092609A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101918682A (zh) | 2010-12-15 |
DE102008006178A1 (de) | 2009-07-30 |
KR20100102679A (ko) | 2010-09-24 |
ATE521792T1 (de) | 2011-09-15 |
CN101918682B (zh) | 2012-12-12 |
KR101537432B1 (ko) | 2015-07-16 |
EP2245277B1 (de) | 2011-08-24 |
WO2009092609A1 (de) | 2009-07-30 |
US20100327209A1 (en) | 2010-12-30 |
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