EP2010758B1 - Hydraulisches abstützelement für einen hebelartigen nockenfolger eines ventiltriebs einer brennkraftmaschine - Google Patents

Hydraulisches abstützelement für einen hebelartigen nockenfolger eines ventiltriebs einer brennkraftmaschine Download PDF

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Publication number
EP2010758B1
EP2010758B1 EP07727961.0A EP07727961A EP2010758B1 EP 2010758 B1 EP2010758 B1 EP 2010758B1 EP 07727961 A EP07727961 A EP 07727961A EP 2010758 B1 EP2010758 B1 EP 2010758B1
Authority
EP
European Patent Office
Prior art keywords
pressure piston
head
deflection element
housing
hydraulic medium
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.)
Not-in-force
Application number
EP07727961.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2010758A1 (de
Inventor
Werner Bretting
Norbert Geyer
Peter Sailer
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to PL07727961T priority Critical patent/PL2010758T3/pl
Publication of EP2010758A1 publication Critical patent/EP2010758A1/de
Application granted granted Critical
Publication of EP2010758B1 publication Critical patent/EP2010758B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets

Definitions

  • a support element is in the DE 10 2004 006 903 A1 disclosed.
  • This has a multipart pressure piston, which is expensive to add. It can be seen that its deflecting element with its head end extends only approximately to a region of a constriction below the ball head and has a relatively large radial distance from the inner surface of the pressure piston above the passage. The deflecting element thus includes only an insufficient amount of hydraulic fluid. In addition, a hydraulic medium-tight fastening of the deflecting proves to be critical.
  • the JP 6 173622 A a support element, in which a deflecting element is accommodated in a pressure piston. Again, the deflecting extends only over a small part of the pressure piston.
  • Another support element goes out of the EP 0 361 637 A1 in which a deflecting element is accommodated in a one-piece pressure piston.
  • a hollow cylindrical section of the deflecting element extends from a passage in the pressure piston to just below its ball head.
  • JP 2004 197665 A a hydraulic support element with a deflecting element having a pressure piston. This deflecting element extends into a ball head of the integrally formed pressure piston.
  • the object of the invention is to provide a support element, in which a large amount of hydraulic fluid can be kept by a deflecting element.
  • this object is achieved in that the deflecting element rests against the inner shell at least predominantly, except for the climbing path.
  • the support element is designed particularly leak-proof. Due to the one-piece design of the pressure piston, the manufacturing costs prove to be favorable overall, as can be dispensed with a joining in the otherwise multi-part variants.
  • the deflecting element is inserted into the pressure piston before the ball head is closed by a production process such as press-flanging or the like.
  • the deflecting element can be represented for example from a sheet metal material. However, it is also intended for a training in plastic.
  • the deflecting element extends with its head-side forehead close to or at least as close as possible (oil passage) to the underside of the ball head, so that here a maximum high oil column can be included.
  • a simple variant of a fastening of the sleeve-like deflecting element on the inner surface of the pressure piston is present when it snapped to a region axially below a Ringeinformung, glued, crimped, pressed, welded, soldered, clamped o.
  • the aforementioned Ringeinformung be provided for particular axial fixation of the deflecting element.
  • the deflecting element rests axially all around the passage in the pressure piston and all around the inner jacket thereof and with its head-long forehead rests on an annular web of the pressure piston with the check valve, a particularly good sealing of the riser path from the reservoir (interior of the deflecting element) is given.
  • the ball head of the pressure piston may still have a passage such as a central bore, so that a lubrication of the cam follower is given in the contact area.
  • the deflection element above the passage rests directly on this inner jacket except for the climbing path.
  • the climbing path can also run in the inner jacket of the pressure piston and sealed by the deflecting element or be arranged completely in the pressure piston.
  • an outgoing from the passage climbing path is provided.
  • circumferentially distributed paths can also be applied.
  • it is intended to multiple passages and passages (seen in the circumferential direction).
  • the deflection can be installed against rotation in the pressure piston, in which case a simple to be displayed Longitudinal shaping is thought of a component that communicates with a complementary indentation on the other component.
  • cam follower that can be mounted on the support element, in particular a towing lever (switchable or Vietnameseschaltbarer nature) but also to a rocker arm (switchable or Vietnameseschaltbarer nature) is intended.
  • cam followers can rest, which serve for the simultaneous actuation of several identical gas exchange valves.
  • a hydraulic support element 1 consisting of a pot-like housing 2, in the bore 4 axially movable, a pressure piston 7 is installed.
  • the housing 2 is closed by a bottom 12 and can over his Outer jacket 3 in a recording of a cylinder head not shown o. The like. Are installed stationary.
  • the pressure piston 7 protrudes with its ball head 9 a forehead 8 of the housing 2.
  • a rocker arm (switchable, non-switchable) are pivotally mounted.
  • a constriction 23 is arranged in the pressure piston 7. This guarantees a free pivoting mobility of the resting cam follower.
  • the pressure piston 7 includes a reservoir 5 for hydraulic fluid. This is the housing side limited by a ring land 10 with a check valve 11 attached thereto. Axially below the annular web 10, a high-pressure chamber 13 is formed. This is supplied with hydraulic fluid from the aforementioned storage space 5 via the check valve 11 in a known manner.
  • an axially almost continuous, sleeve-like deflection element 16 is installed in the interior of the pressure piston 7. This is preferably (no condition) with his head distant forehead 22 on the ring land 10. Axially below a running inside the housing 2 Ringeinformung 29 (s. Fig. 3 ), the deflecting element 16 is sealingly applied to the inner shell 18 of the pressure piston 7. In approximately in the area of the ring indentation 29, the pressure piston 7 has a passage 15 for hydraulic fluid. This communicates with a passage 14 in the housing 2. In this case, an annular groove is introduced in the bore 4 of the housing 2, so that the pressure piston 7 can be installed without rotation.
  • the aforementioned deflecting element 16 extends in the one-piece in all variants pressure piston 7 with its head-side end 21 immediately below the ball head 9. It has according to FIG. 1 in this area a roof-like ring collar 30. This ensures a special leakage safety.
  • the deflection element 16 is the deflection element 16 to the climbing path 19 completely on the inner shell 18 of the pressure piston 7 at. It is only in the outer jacket 17 of the deflecting element 16, a longitudinal channel 24 is introduced as a riser 19, which is in fluid communication with the passage 15.
  • the deflecting element 16 should be installed against rotation. Specifically, this consists of a longitudinal shaping 26 on the deflection element 16, which is in operative connection with a complementary indentation 27 on the inner casing 18 of the pressure piston 7.
  • FIG. 4 shows different variants of a design of the head-side end 21 of the deflecting 16.
  • the deflecting element 16 in this area be sleeve-like open.
  • FIG. 5 shows, apply a radially inwardly whitening ring collar 30, which extends here like a roof chamfered.
  • annular collar 30 is employed orthogonal to the outer jacket 17 of the deflecting element 16. Exactly the latter two variants offer an additional leakage protection.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Actuator (AREA)
EP07727961.0A 2006-04-13 2007-04-11 Hydraulisches abstützelement für einen hebelartigen nockenfolger eines ventiltriebs einer brennkraftmaschine Not-in-force EP2010758B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07727961T PL2010758T3 (pl) 2006-04-13 2007-04-11 Hydrauliczny element podparcia dla dźwigniowego popychacza krzywkowego napędu zaworu silnika spalinowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006017442A DE102006017442A1 (de) 2006-04-13 2006-04-13 Hydraulisches Abstützelement für einen hebelartigen Nockenfolger eines Ventiltriebs einer Brennkraftmaschine
PCT/EP2007/053493 WO2007118820A1 (de) 2006-04-13 2007-04-11 Hydraulisches abstützelement für einen hebelartigen nockenfolger eines ventiltriebs einer brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP2010758A1 EP2010758A1 (de) 2009-01-07
EP2010758B1 true EP2010758B1 (de) 2015-07-29

Family

ID=38197721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07727961.0A Not-in-force EP2010758B1 (de) 2006-04-13 2007-04-11 Hydraulisches abstützelement für einen hebelartigen nockenfolger eines ventiltriebs einer brennkraftmaschine

Country Status (5)

Country Link
EP (1) EP2010758B1 (pl)
CN (1) CN201228569Y (pl)
DE (1) DE102006017442A1 (pl)
PL (1) PL2010758T3 (pl)
WO (1) WO2007118820A1 (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019105607A1 (de) 2019-03-06 2020-01-09 Schaeffler Technologies AG & Co. KG Hydraulisches Abstützelement für einen Ventiltrieb einer Brennkraftmaschine
DE102020103411A1 (de) 2020-02-11 2021-08-12 Schaeffler Technologies AG & Co. KG Handhabungsvorrichtung

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102449272B (zh) * 2009-06-10 2013-10-23 日锻汽门株式会社 内燃机用油压间隙调节器
DE102010047138A1 (de) 2010-09-30 2012-04-05 Schaeffler Technologies Gmbh & Co. Kg Durckmittelführendes Motorelement einer Brennkraftmaschine
DE102011075042A1 (de) 2011-05-02 2012-11-08 Schaeffler Technologies AG & Co. KG Hydraulisches Abstützelement
CN102393314B (zh) * 2011-10-21 2016-08-24 煤炭科学技术研究院有限公司 一种液压支架综合性能试验装置
CN102788154B (zh) * 2012-08-17 2015-08-26 杭州新坐标科技股份有限公司 一体式液压挺柱柱塞及其整体滚压成型方法
JP5989563B2 (ja) * 2013-02-14 2016-09-07 株式会社オティックス ラッシュアジャスタ
JP2014156782A (ja) 2013-02-14 2014-08-28 Otics Corp ラッシュアジャスタ
JP6045934B2 (ja) * 2013-02-15 2016-12-14 株式会社オティックス ラッシュアジャスタ
JP5943854B2 (ja) 2013-02-15 2016-07-05 株式会社オティックス ラッシュアジャスタ
JP6050698B2 (ja) * 2013-02-15 2016-12-21 株式会社オティックス ラッシュアジャスタ
US9157340B2 (en) 2013-03-25 2015-10-13 GT Technologies Dual feed hydraulic lash adjuster for valve actuating mechanism
WO2015100641A1 (zh) * 2013-12-31 2015-07-09 杭州新坐标科技股份有限公司 一体式液压挺柱柱塞及其整体滚压成型方法
CN103939162B (zh) 2014-03-24 2018-01-02 杭州新坐标科技股份有限公司 柱状式液压挺柱
CN104131852B (zh) * 2014-07-01 2017-07-07 杭州新坐标科技股份有限公司 一种柱状式液压挺柱及其柱塞制备方法
DE102014220386B3 (de) * 2014-10-08 2016-02-04 Schaeffler Technologies AG & Co. KG Mechanischer Rollenstößel
CN104612776B (zh) * 2014-12-11 2017-08-29 杭州新坐标科技股份有限公司 一种柱状式液压挺柱
DE102015209336A1 (de) 2015-05-21 2016-11-24 Schaeffler Technologies AG & Co. KG Hydraulisches Ausgleichselement für den Ventiltrieb einer Brennkraftmaschine
DE102015222629A1 (de) 2015-11-17 2017-05-18 Schaeffler Technologies AG & Co. KG Hydraulisches Abstützelement
CN105545400B (zh) * 2016-02-04 2019-01-08 杭州新坐标科技股份有限公司 一种无限位卡簧的柱状式液压挺柱

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JP2004197665A (ja) * 2002-12-19 2004-07-15 Otics Corp ラッシュアジャスタ及びそのプランジャの製造方法

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DE2343269A1 (de) * 1973-08-28 1975-03-06 Motomak Hydraulisches spielausgleichselement fuer die ventilsteuerung von brennkraftmaschinen
FR2542372B1 (fr) * 1983-03-08 1987-01-23 Mitsubishi Motors Corp Culbuteur et son procede de fabrication
JPH072967Y2 (ja) * 1988-09-30 1995-01-30 富士バルブ株式会社 油圧式バルブラッシュアジャスタ
JPH06173622A (ja) * 1992-12-04 1994-06-21 Nippon Seiko Kk 油圧式ラッシュアジャスターおよびその製造方法
DE19614668A1 (de) * 1996-04-13 1997-10-16 Schaeffler Waelzlager Kg Hydraulisches Abstützelement für eine Ventilsteuerung einer Brennkraftmaschine
DE19805511A1 (de) * 1998-02-11 1999-08-12 Bayerische Motoren Werke Ag Hydraulisches Ventilspiel-Ausgleichselement für einen Ventiltrieb einer Brennkraftmaschine
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JP2004197665A (ja) * 2002-12-19 2004-07-15 Otics Corp ラッシュアジャスタ及びそのプランジャの製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019105607A1 (de) 2019-03-06 2020-01-09 Schaeffler Technologies AG & Co. KG Hydraulisches Abstützelement für einen Ventiltrieb einer Brennkraftmaschine
DE102020103411A1 (de) 2020-02-11 2021-08-12 Schaeffler Technologies AG & Co. KG Handhabungsvorrichtung
WO2021160214A1 (de) 2020-02-11 2021-08-19 Schaeffler Technologies AG & Co. KG Handhabungsvorrichtung
US12180016B2 (en) 2020-02-11 2024-12-31 Schaeffler Technologies Ag &Co.Kg Handling device

Also Published As

Publication number Publication date
EP2010758A1 (de) 2009-01-07
DE102006017442A1 (de) 2007-10-18
CN201228569Y (zh) 2009-04-29
PL2010758T3 (pl) 2016-02-29
WO2007118820A1 (de) 2007-10-25

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