WO2012004037A1 - Stössel - Google Patents
Stössel Download PDFInfo
- Publication number
- WO2012004037A1 WO2012004037A1 PCT/EP2011/057848 EP2011057848W WO2012004037A1 WO 2012004037 A1 WO2012004037 A1 WO 2012004037A1 EP 2011057848 W EP2011057848 W EP 2011057848W WO 2012004037 A1 WO2012004037 A1 WO 2012004037A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- bridge piece
- rotation
- piece
- projecting
- Prior art date
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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
-
- 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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/143—Tappets; Push rods for use with overhead camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0408—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- 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
- F01L2305/00—Valve arrangements comprising rollers
-
- 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
- F01L2307/00—Preventing the rotation of tappets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
Definitions
- the invention relates to a plunger, in particular for a high-pressure fuel pump or for a valve train of an internal combustion engine, with a housing which has a Nockenanlauf concept on its drive side, wherein a at least indirectly conditioning a pump piston or Gas Lob- valve serving output side of the housing at an underside of a an inner jacket of the housing projecting through the bridge piece and wherein in a window of the housing an outer shell superior rotation, which serves a non-positively guided engagement in a partially cylindrical axial axial guidance of the housing receiving guide bore of a surrounding construction.
- the anti-rotation has on its housing projecting lateral surface a circular cylindrical design.
- this object is achieved in that the rotation in its housing projecting area substantially as an upright, semi-cylindrical body is present, the lateral surface results in cross-section of an arc of two or more circular arches shown.
- the person skilled in the art will cleverly choose the radii of, for example, two circular arcs for each rotation lock in conjunction with a radius of the axial guidance that the contact point is certainly displaced outwardly from the contact zone in the direction of the arc.
- the presentation of a "depressed" or "normal” ogive profile offers itself, whereby a connecting line of the two radii center points can lie radially further outwards than a radius center of the axial guidance.
- each side of an arc of the lateral surface of the rotation can also be shown, for example, two or more radii (a multiple of two).
- the rotation is shown as a separate, for example.
- the aforementioned bridge piece instead of its separate training can also be integrally connected to the inner surface of the housing.
- the bridge piece may, like the housing, be made of a lightweight material such as sheet steel, which housing may also be represented by extrusion, sintering or machining.
- the plunger can be present as a roller or sliding plunger.
- this as mentioned in concretization of the invention, on the housing side has two diametrically opposite, for example. Indented flax in which a bolt sits, on which a roller for a direct cam or Exzenteran- runs rolling or sliding.
- the plunger is closed in the section of its drive-side end by a bottom, which serves the cam or eccentric start.
- Another subclaim relates to the representation of the contour of the anti-rotation device.
- this contour in the case of the one-piece connection to the separate bridge piece, can be produced during the punching of the latter. However, it is also thought to create a higher contour than that of the bridge piece, for example, by upsetting, embossing, stretching or turning. Possibly.
- a further separate body can be attached to form the anti-twist device.
- the scope of this invention also includes a solution consisting of the plunger with its axial guide in the surrounding structure.
- FIG. 1 shows a tappet designed as a roller tappet with an anti-rotation device in an exploded view
- Figure 2 shows the plunger of Figure 1 in a three-dimensional view.
- FIG. 3 shows a detailed view transversely in the area of the anti-twist device
- FIG. ⁇ Fig. 4 shows a detailed spatial view of the rotation in engagement with the axial guide
- FIG. 5 shows a detailed view transversely in the area of a rotation prevention device according to the prior art. From Fig. 1, 2, the essential structure of the plunger 1 can be removed. As shown, this serves to act on a pump piston of a high-pressure fuel pump of a quality- or quantity-controlled internal combustion engine. However, it can also be used for an at least indirect admission of at least one gas exchange valve of a valve train of an internal combustion engine.
- the plunger 1 has a housing 2, which has a cam contact surface 4 on its drive side 3.
- the latter consists of a running on a pin 23 roller 24, which roller 24, each with an end 25 in a bearing eye 26 of a radially engaged flax 27 of the housing 2 extends.
- the flax 27 are based on a drive-side annular end 28 of the housing 2.
- An output side 5 of the housing 2 which serves to provide the abovementioned pump piston lies on an underside 6 of a bridge piece 8 projecting through an inner jacket 7 of the housing 2.
- the bridge piece 8 is designed as a separate, thin-walled piece of sheet steel and protruding from the inner jacket 7 of the housing 2 19 held. It can be seen that a fixation in the drive direction is realized on transverse sides of the flax 27, which in In the output direction, a holder takes place at this point offset and also designated by "19", protruding from the inner shell 7 of the housing 2 snap-in lugs or at least one of them.
- an outer shell 10 Ü-outstanding anti-rotation. 1 This is formed from a finger-like projecting from the edge 20 of the bridge piece 8 and protruding through the window 9 radial extension 21.
- the anti-twist device 11 projects in its region projecting beyond the housing 2 essentially as an upright, semi-cylinder-like body, the lateral surface 15 of which in cross section results in an ogival arc represented by two circular arcs 16 [Gothic profile ]. It can be seen that the anti-twist device 1 does not wrap completely (not forcibly guided) over its lateral surface 15 in the axial guide 12, which is the practice.
- the anti-twist device 11 can also be present as a separate component 22, as shown schematically in FIG. 2, wherein it is also conceivable according to the illustration in FIG. 2 that the anti-rotation device 11 is stamped as a radial extension 21 of the separate, for example, sheet metal Bridge piece 8 is formed, as mentioned above. From Fig. 3 it can be seen that a radial outer region 17 of the rotation 11 (section of the at least two circular arcs 16) is flattened.
- Fig. 5 discloses a design of a rotation lock 32 according to the prior art in a partial view as shown in FIG. 3. It can be seen that a lateral surface 35 of the anti-rotation device 32 is provided with only a radius.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180032398.1A CN103026011B (zh) | 2010-07-07 | 2011-05-16 | 推杆 |
US13/808,202 US8863716B2 (en) | 2010-07-07 | 2011-05-16 | Tappet |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010026360.5A DE102010026360B4 (de) | 2010-07-07 | 2010-07-07 | Stößel mit einer Verdrehsicherung |
DE102010026360.5 | 2010-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012004037A1 true WO2012004037A1 (de) | 2012-01-12 |
Family
ID=44628180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/057848 WO2012004037A1 (de) | 2010-07-07 | 2011-05-16 | Stössel |
Country Status (4)
Country | Link |
---|---|
US (1) | US8863716B2 (de) |
CN (1) | CN103026011B (de) |
DE (1) | DE102010026360B4 (de) |
WO (1) | WO2012004037A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6110080B2 (ja) * | 2012-06-20 | 2017-04-05 | 株式会社オティックス | 内燃機関用のローラリフタ |
DE102012214136A1 (de) * | 2012-08-09 | 2014-02-13 | Schaeffler Technologies AG & Co. KG | Rollenstößel |
DE102013202129A1 (de) * | 2013-02-08 | 2014-08-14 | Schaeffler Technologies Gmbh & Co. Kg | Stößel |
DE102014209892A1 (de) * | 2014-05-23 | 2015-11-26 | Mahle International Gmbh | Axialkolbenmaschine |
DE102014216058A1 (de) | 2014-08-13 | 2016-02-18 | Schaeffler Technologies AG & Co. KG | Verriegelungsvorrichtung für eine schaltbare Ventiltriebkomponente |
DE102014220937B4 (de) | 2014-10-15 | 2016-06-30 | Continental Automotive Gmbh | Antriebsvorrichtung zum Antreiben einer Kraftstoffhochdruckpumpe sowie Kraftstoffhochdruckpumpe |
DE102014220839B4 (de) * | 2014-10-15 | 2016-07-21 | Continental Automotive Gmbh | Hochdruckpumpe für ein Kraftstoffeinspritzsystem einer Brennkraftmaschine |
EP3026231B1 (de) * | 2014-11-27 | 2020-08-12 | Aktiebolaget SKF | Mechanisches System zur Formung eines Kurvenrollers oder eines Kipphebels, Einspritzpumpe oder Ventilstellglied mit solch einem mechanischen System und Verfahren zur Herstellung solch eines mechanischen Systems |
US10024286B2 (en) | 2015-07-15 | 2018-07-17 | GT Technologies | Tappet assembly for use in an internal combustion engine high-pressure fuel system |
DE102015218754B4 (de) * | 2015-09-29 | 2018-08-30 | Continental Automotive Gmbh | Hochdruckpumpe |
US10119607B2 (en) * | 2016-04-15 | 2018-11-06 | Koyo Bearings North America Llc | Follower mechanism |
KR102210446B1 (ko) * | 2016-04-15 | 2021-02-01 | 코요 베어링즈 노쓰 아메리카 엘엘씨 | 팰릿 상에 수용된 내부 컵을 갖는 태핏 |
DE102017212910A1 (de) * | 2017-07-27 | 2019-01-31 | Robert Bosch Gmbh | Pumpe, insbesondere Hochdruckpumpe eines Kraftstoffeinspritzsystems |
CN108301999B (zh) * | 2017-12-29 | 2019-10-11 | 浙江工业大学 | 一种空间凸轮传动的二维柱塞泵 |
US10697413B2 (en) | 2018-06-04 | 2020-06-30 | GT Technologies | Tappet assembly for use in a high-pressure fuel system of an internal combustion engine |
US10837416B2 (en) | 2018-06-04 | 2020-11-17 | GT Technologies | Tappet assembly for use in a high-pressure fuel system of an internal combustion engine |
US11111893B2 (en) | 2018-06-04 | 2021-09-07 | GT Technologies | Tappet assembly for use in a high-pressure fuel system of an internal combustion engine |
DE102018208947A1 (de) | 2018-06-06 | 2019-12-12 | Aktiebolaget Skf | Wälzlagerring mittels eines Metallspritzgussverfahrens |
DE102019102289B3 (de) * | 2019-01-30 | 2020-03-05 | Schaeffler Technologies AG & Co. KG | Rollenstößel für eine Kraftstoffpumpe |
JP7172752B2 (ja) * | 2019-03-07 | 2022-11-16 | 株式会社デンソー | 燃料噴射ポンプ |
WO2020263216A1 (en) * | 2019-06-24 | 2020-12-30 | GT Technologies | Tappet assembly for use in a high-pressure fuel system of an internal combustion engine |
US11149593B2 (en) | 2019-10-03 | 2021-10-19 | Koyo Bearings North America Llc | Tappet assembly with formed anti-rotation alignment device |
US11143059B2 (en) | 2019-10-03 | 2021-10-12 | Koyo Bearings North America Llc | Tappet assembly with unground outer cup |
DE102020104313B3 (de) * | 2020-02-19 | 2021-01-28 | Schaeffler Technologies AG & Co. KG | Stößel zur Beaufschlagung eines Pumpenkolbens einer Kraftstoffhochdruckpumpe |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1633331A (en) * | 1922-09-09 | 1927-06-21 | Rich Tool Company | Roller tappet for poppet valves and method of making the same |
DE4323518A1 (de) * | 1992-08-21 | 1994-02-24 | Bayerische Motoren Werke Ag | Stößel zur Betätigung zweier Hubventile |
DE4309602A1 (de) * | 1993-03-24 | 1994-09-29 | Bayerische Motoren Werke Ag | Ventilstößel für zwei Brennkraftmaschinen-Hubventile |
DE19600852A1 (de) * | 1996-01-12 | 1997-07-17 | Schaeffler Waelzlager Kg | Verdrehgesicherter Stößel |
US20010009145A1 (en) * | 2000-01-20 | 2001-07-26 | Christof Faria | Switchable flat or roller tappet |
JP2002332809A (ja) * | 2001-05-07 | 2002-11-22 | Fuji Oozx Inc | 内燃機関における動弁機構 |
DE10332980A1 (de) * | 2003-07-21 | 2005-02-10 | Bayerische Motoren Werke Ag | Ventilstößeleinrichtung, insbesondere drehgesicherter Tassenstößel mit gekrümmter Nockenfolgefläche |
WO2008068116A1 (de) | 2006-12-05 | 2008-06-12 | Schaeffler Kg | Mechanischer stössel, insbesondere für eine kraftstoffpumpe einer brennkraftmaschine |
WO2008095772A1 (de) | 2007-02-08 | 2008-08-14 | Schaeffler Kg | Mechanischer rollenstössel für einen verbrennungsmotor |
Family Cites Families (10)
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DE10110914A1 (de) * | 2001-03-07 | 2002-09-12 | Ina Schaeffler Kg | Ventiltrieb einer Brennkraftmaschine mit einem schaltbaren rotationssymmetrischen Bauteil |
JP2003161121A (ja) * | 2001-11-28 | 2003-06-06 | Otics Corp | 可変動弁機構 |
DE10300724A1 (de) * | 2003-01-11 | 2004-07-29 | Ina-Schaeffler Kg | Schaltbarer Nockenfolger eines Ventiltriebs einer Brennkraftmaschine |
DE102004036106A1 (de) * | 2004-07-24 | 2006-03-16 | Ina-Schaeffler Kg | Periodisch beaufschlagbarer Stößel für einen Ventil- oder Pumpentrieb |
DE102004058766A1 (de) * | 2004-12-07 | 2006-06-08 | Schaeffler Kg | Tassenstössel für eine Brennkraftmaschine und Verfahren zur Herstellung desselben |
DE102006057246B4 (de) * | 2006-12-05 | 2015-11-26 | Schaeffler Technologies AG & Co. KG | Mechanischer Stößel insbesondere für eine Kraftstoffpumpe einer Brennkraftmaschine, mit umgebogenen Laschen zur Abstützung des Bolzens der Antriebsrolle |
US7793583B2 (en) * | 2006-12-06 | 2010-09-14 | Schaeffler Kg | Mechanical tappet in particular for a fuel pump of an internal combustion engine |
DE102006059716A1 (de) * | 2006-12-18 | 2008-06-26 | Mahle International Gmbh | Verdrehgesicherter Stößel eines Ventiltriebes |
EP2347128A1 (de) * | 2008-10-27 | 2011-07-27 | Ab Skf | Drehsicherungsvorrichtung |
DE102010022318B4 (de) * | 2010-06-01 | 2017-09-07 | Schaeffler Technologies AG & Co. KG | Rollenstößel |
-
2010
- 2010-07-07 DE DE102010026360.5A patent/DE102010026360B4/de active Active
-
2011
- 2011-05-16 WO PCT/EP2011/057848 patent/WO2012004037A1/de active Application Filing
- 2011-05-16 US US13/808,202 patent/US8863716B2/en active Active
- 2011-05-16 CN CN201180032398.1A patent/CN103026011B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1633331A (en) * | 1922-09-09 | 1927-06-21 | Rich Tool Company | Roller tappet for poppet valves and method of making the same |
DE4323518A1 (de) * | 1992-08-21 | 1994-02-24 | Bayerische Motoren Werke Ag | Stößel zur Betätigung zweier Hubventile |
DE4309602A1 (de) * | 1993-03-24 | 1994-09-29 | Bayerische Motoren Werke Ag | Ventilstößel für zwei Brennkraftmaschinen-Hubventile |
DE19600852A1 (de) * | 1996-01-12 | 1997-07-17 | Schaeffler Waelzlager Kg | Verdrehgesicherter Stößel |
US20010009145A1 (en) * | 2000-01-20 | 2001-07-26 | Christof Faria | Switchable flat or roller tappet |
JP2002332809A (ja) * | 2001-05-07 | 2002-11-22 | Fuji Oozx Inc | 内燃機関における動弁機構 |
DE10332980A1 (de) * | 2003-07-21 | 2005-02-10 | Bayerische Motoren Werke Ag | Ventilstößeleinrichtung, insbesondere drehgesicherter Tassenstößel mit gekrümmter Nockenfolgefläche |
WO2008068116A1 (de) | 2006-12-05 | 2008-06-12 | Schaeffler Kg | Mechanischer stössel, insbesondere für eine kraftstoffpumpe einer brennkraftmaschine |
WO2008095772A1 (de) | 2007-02-08 | 2008-08-14 | Schaeffler Kg | Mechanischer rollenstössel für einen verbrennungsmotor |
Also Published As
Publication number | Publication date |
---|---|
DE102010026360A1 (de) | 2012-01-12 |
US8863716B2 (en) | 2014-10-21 |
US20130104818A1 (en) | 2013-05-02 |
CN103026011A (zh) | 2013-04-03 |
CN103026011B (zh) | 2015-08-05 |
DE102010026360B4 (de) | 2020-12-03 |
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