EP2568171A2 - Pilon - Google Patents
Pilon Download PDFInfo
- Publication number
- EP2568171A2 EP2568171A2 EP12173506A EP12173506A EP2568171A2 EP 2568171 A2 EP2568171 A2 EP 2568171A2 EP 12173506 A EP12173506 A EP 12173506A EP 12173506 A EP12173506 A EP 12173506A EP 2568171 A2 EP2568171 A2 EP 2568171A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- shell
- ring
- tappet according
- segment
- 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
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract 2
- 239000010959 steel Substances 0.000 claims abstract 2
- 238000007373 indentation Methods 0.000 claims description 10
- 238000005336 cracking Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 claims 1
- 238000003801 milling Methods 0.000 claims 1
- 210000001061 forehead Anatomy 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- 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
- F04B1/0426—Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
-
- 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
- F04B1/0439—Supporting or guiding means for the 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
Definitions
- the invention relates to a plunger, in particular for a high-pressure fuel pump, with a housing which receives in the region of its drive-side end a role for a start of a periodic Huber Wegers, wherein the housing is penetrated axially below the roller by a connected to the inner jacket bridge piece, one of on the output side facing the housing side facing at least indirectly serves as a plant for a follower part, wherein an upper side of the bridge piece has a cup-like indentation in which a separated from a ring, movable shell segment sitting on the inner race, the roller is slidably mounted and wherein the shell segment ausFEgeschreib in the indentation runs.
- Such a plunger is from the DE 10 2009 056 303 A1 previously known. Its shell segment undergoes in the indentation of the bridge piece a Auswindsch by struck on the bridge piece lugs. It is clear that under appropriate load, the shell segment break through the resistance of the noses and thus can rotate out of the indentation. Furthermore, an "unfavorable" crack course during cracking, as not 100% predictable, has an influence on the ability to guide and hold.
- the object is therefore to provide a plunger of the aforementioned type, in which the identified disadvantages are eliminated.
- the shell segment should run well secured against rotation in the molding and can be mounted safely and inexpensively.
- this object is achieved in that at least one Axial arrangementsklale is arranged on the inner casing of the housing, on which the shell segment is arranged austipgeschreibt over a respective corner recess on a separation front. It is particularly preferred in this case that four Axial arrangementsklalen are distributed on the inner surface of the housing, where the shell segment is arranged secured against rotation on Eckaussparungen on the two Trennstirnen.
- the shell segment can be mounted "accurately" and safely and also experiences on the axial guide columns an excellent anti-rotation, at the same time low desired mobility. Possibly. less than four pillars are also suitable, for example two diametrically opposite or only one pillar.
- the plunger also called roller tappet
- the plunger is intended to be used in particular in high-pressure pumps for fuel delivery of quality-controlled internal combustion engines (fuel lubrication).
- fuel lubrication quality-controlled internal combustion engines
- it is also conceivable and intended to be used in quantity-controlled internal combustion engines or as a classic, cam-following plunger in a valve train of an internal combustion engine.
- Huberzeuger serve a cam, an eccentric or a group thereof.
- At least one Axial Equipmentsklale should protrude in a further development of the invention in one piece from the inner surface of the housing and in cross-section have a triangle-like tapered geometry.
- this column can be easily formed in the preferably non-cutting production process of the housing.
- the bridge piece should be an integral part of the housing.
- subsequent assembly costs are minimized, with which assembly a negative dimensional influence of the plunger can occur.
- a correspondingly blunt tool with axial force is applied to the front side of the ring, it being helpful here to arrange a notch, as stated in the claim, in the section of an axial end of the ring.
- the notch can be present as a corresponding indentation or as a laser notch or other targeted material weakening.
- a plunger 1 for a high-pressure fuel pump Shown is a plunger 1 for a high-pressure fuel pump. This has a cylindrical housing 2, which receives in the region of its drive-side end 3 a roller 4 for a start of a single or multiple cam.
- the housing 2 is penetrated by a bridge piece 6, which starts in one piece from the inner shell 5.
- a driven-side end 7 of the housing 2 facing bottom 8 of the bridge piece 6 serves as a plant for a ram succession part (here pump piston).
- An upper side 9 of the bridge piece 6 has a shell-like indentation 10, which consists of Fig. 2 is apparent. In this sits a separated from a ring 11, therein slightly movable held cup segment 12, on the inner race 13, the roller 4 is slidably mounted. A lubrication of this storage is carried out by fuel, with a separate oil lubrication is conceivable.
- the shell segment 12 extends secured against rotation in the indentation 10.
- the shell segment 12 goes from the inner shell 5 of the housing 2 four Axial arrangementsklalen 14 in one piece, where the shell segment 12 via Eckaussparungen 15 (see also Fig. 4 ) is arranged austipgeschreibt at the two Trennstirnen 16.
- the corner recesses 15 are partially complementary to the outer contour of the Axial arrangementsklalen 14th
- a significant chamfer 19 This is to be understood as meaning a chamfer which is larger than a standard or minimal chamfer for such a transitional region.
- Each shell segment 12 is obtained by cracking a ring 11 (see also FIG Fig. 3, 4 ).
- the ring 11 has hereafter three 3 Trennstirn Schemee 20.
- At both Axialstirnen 21 of the ring 11 is an end of its outer shell 22 outgoing semicircular recess 23 is applied for each separation end region 20 for the representation of two of the Eckaussparungen 15.
- In each recess 23 opens a running at the axial end 21 notch 24th
- a correspondingly blunt tool is brought axially onto the notch 24.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Details Of Reciprocating Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12173506T PL2568171T3 (pl) | 2011-09-09 | 2012-06-26 | Popychacz |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011082434A DE102011082434A1 (de) | 2011-09-09 | 2011-09-09 | Stößel |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2568171A2 true EP2568171A2 (fr) | 2013-03-13 |
EP2568171A3 EP2568171A3 (fr) | 2016-07-20 |
EP2568171B1 EP2568171B1 (fr) | 2019-06-12 |
Family
ID=46419923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12173506.2A Active EP2568171B1 (fr) | 2011-09-09 | 2012-06-26 | Pilon |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2568171B1 (fr) |
DE (1) | DE102011082434A1 (fr) |
PL (1) | PL2568171T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106988817A (zh) * | 2015-11-24 | 2017-07-28 | 斯凯孚公司 | 具有垫圈的凸轮从动辊装置 |
CN114320729A (zh) * | 2020-09-28 | 2022-04-12 | 大同金属工业株式会社 | 径向活塞设备的轴承装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015223571B4 (de) * | 2015-11-27 | 2021-07-22 | Vitesco Technologies GmbH | Rollenstößel sowie Kraftstoffhochdruckpumpe |
JP7167108B2 (ja) * | 2020-09-28 | 2022-11-08 | 大同メタル工業株式会社 | ラジアルピストン機械の軸受装置 |
CN113898585B (zh) * | 2021-10-26 | 2023-08-04 | 浙江象睿机电设备有限公司 | 一种空气压缩机的能耗智能控制装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009056303A1 (de) | 2009-11-30 | 2011-06-01 | Schaeffler Technologies Gmbh & Co. Kg | Rollenstößel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7793583B2 (en) * | 2006-12-06 | 2010-09-14 | Schaeffler Kg | Mechanical tappet in particular for a fuel pump of an internal combustion engine |
DE102009056304A1 (de) * | 2009-11-30 | 2011-06-01 | Schaeffler Technologies Gmbh & Co. Kg | Rollenstößel |
DE102009056306A1 (de) * | 2009-11-30 | 2011-06-01 | Schaeffler Technologies Gmbh & Co. Kg | Rollenstößel |
DE102009056305A1 (de) * | 2009-11-30 | 2011-06-01 | Schaeffler Technologies Gmbh & Co. Kg | Rollenstößel |
-
2011
- 2011-09-09 DE DE102011082434A patent/DE102011082434A1/de not_active Withdrawn
-
2012
- 2012-06-26 PL PL12173506T patent/PL2568171T3/pl unknown
- 2012-06-26 EP EP12173506.2A patent/EP2568171B1/fr active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009056303A1 (de) | 2009-11-30 | 2011-06-01 | Schaeffler Technologies Gmbh & Co. Kg | Rollenstößel |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106988817A (zh) * | 2015-11-24 | 2017-07-28 | 斯凯孚公司 | 具有垫圈的凸轮从动辊装置 |
CN114320729A (zh) * | 2020-09-28 | 2022-04-12 | 大同金属工业株式会社 | 径向活塞设备的轴承装置 |
CN114320729B (zh) * | 2020-09-28 | 2024-01-19 | 大同金属工业株式会社 | 径向活塞设备的轴承装置 |
Also Published As
Publication number | Publication date |
---|---|
DE102011082434A1 (de) | 2013-03-14 |
EP2568171A3 (fr) | 2016-07-20 |
PL2568171T3 (pl) | 2019-11-29 |
EP2568171B1 (fr) | 2019-06-12 |
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