EP3417157B1 - Gicleur d'huile de fabrication simplifiée - Google Patents

Gicleur d'huile de fabrication simplifiée Download PDF

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Publication number
EP3417157B1
EP3417157B1 EP17704514.3A EP17704514A EP3417157B1 EP 3417157 B1 EP3417157 B1 EP 3417157B1 EP 17704514 A EP17704514 A EP 17704514A EP 3417157 B1 EP3417157 B1 EP 3417157B1
Authority
EP
European Patent Office
Prior art keywords
orienting
nozzle body
plate
face
spray nozzle
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.)
Active
Application number
EP17704514.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3417157A1 (fr
Inventor
Stéphane Pascal PEROTTO
Anthony Raymond Arthur TAUPEAU
Dylan MOHAMED
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.)
Bontaz Centre R&D SAS
Original Assignee
Bontaz Centre R&D SAS
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Publication date
Application filed by Bontaz Centre R&D SAS filed Critical Bontaz Centre R&D SAS
Publication of EP3417157A1 publication Critical patent/EP3417157A1/fr
Application granted granted Critical
Publication of EP3417157B1 publication Critical patent/EP3417157B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/06—Arrangements for cooling pistons
    • F01P3/08—Cooling of piston exterior only, e.g. by jets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P2003/006—Liquid cooling the liquid being oil

Definitions

  • the present invention relates to a piston cooling nozzle and / or a lubricating nozzle for an internal combustion engine chain.
  • EP 2,789,824 A1 discloses an example of an oil filler.
  • a nozzle as shown in Figures la and 1b, is an oil spraying device, on the bottom of a piston of an internal combustion engine for example.
  • the nozzle 10 can also be intended to dispense oil on an internal combustion engine chain.
  • an oil nozzle in operation must be positioned and oriented precisely in the engine block so as to guarantee an adequate direction of the oil jet with respect to the parts to be cooled and / or to be lubricated.
  • the mounting of the nozzle in the engine block must guarantee that there is no collision with the surrounding engine elements.
  • a step of orienting the oil outlet of the nozzle body 11 relative to the orientation plate is generally carried out by brazing the component parts of the oil nozzle, the latter then being placed in the engine. with internal combustion and fixed with a retaining screw 16.
  • the brazing step makes it possible to make the nozzle body and the orientation plate integral with one another and thus guarantee a stable orientation of the nozzle in the internal combustion engine.
  • This configuration therefore requires the use of metallic materials which give the oil nozzle a large mass.
  • brazing steps make the manufacture of such oil jets complicated and above all have a high cost.
  • An object of the present invention is therefore to propose an oil nozzle which is simpler to manufacture.
  • Another object of the invention is also to propose a nozzle having a reduced mass compared to the nozzles known from the prior art.
  • the orientation plate is made of plastic.
  • the stop means comprise a head of the retaining screw, so that said head rests on the first face of the orientation plate when the retaining screw tightens the contact surface against the engine block.
  • the abutment means comprise a first shoulder formed on the lateral surface of the nozzle body intended to ensure the abutment mounting of the nozzle body in the hole of the orientation plate.
  • the abutment means may also comprise a second shoulder, complementary to the first shoulder, formed on the internal surface of the hole in the orientation plate.
  • the nozzle comprises an injection tube comprising a first end and a second end, the first one end being tightly connected to the oil outlet, and the second end being intended to direct the oil jet when the oil nozzle is in operation.
  • the first complementary orientation means are formed on the lateral surface of the nozzle body and on the internal surface of the hole in the orientation plate.
  • the first complementary orientation means comprise a dish formed on the lateral surface of the nozzle body and a dish formed on the internal surface of the hole, said dishes being intended to be brought into contact to ensure the orientation of the outlet. oil in relation to the orientation plate.
  • the first complementary orientation means comprise lateral stops disposed on the first face of the orientation plate, the lateral stops being arranged so as to guide the injection tube, so that the oil outlet is oriented in the predetermined direction.
  • the second orientation means comprise a lug, formed on the second face of the orientation plate, and intended to be inserted in an orientation hole of the engine block.
  • the first face and the second face of the orientation plate are connected by a second lateral surface
  • the second orientation means comprising, at least, a dish formed on the second lateral surface intended to be in contact with a dish formed on the engine block.
  • the oil nozzle 100 includes a nozzle body 101.
  • the nozzle body 101 can be made of metallic material.
  • the nozzle body 101 may be made of steel.
  • the nozzle body 101 includes a first end 101a and a second end 101b.
  • the first end has a contact surface 101d
  • the second end has an exposed surface 101e.
  • the contact surface 101d and the exposed surface 101e are connected by a lateral surface 101c.
  • the lateral surface 101c may have a symmetry of revolution.
  • the nozzle body 101 comprises an axial channel 102, oriented along the axis XX 'on the figure 2 .
  • the axial channel 102 opens onto the contact surface 101d of the nozzle body 101.
  • the intersection of the axial channel 102 with the contact surface 101d forms an opening called oil inlet 103.
  • the contact surface 101d of the nozzle body 101 is intended to be brought into contact with a surface element of the engine block.
  • the surface element of the engine block includes an oil supply intended to be matched with the oil inlet 103.
  • the axial channel 102 can also lead to the second end 101b.
  • the nozzle body 101 also comprises a lateral channel 104.
  • the lateral channel 104 communicates with the axial channel 102, and opens onto the lateral surface 101c.
  • the intersection of the lateral channel 104 with the lateral surface 101c forms an opening called the oil outlet 105.
  • the oil nozzle 100 also includes an orientation plate 106 ( Figure 3 ).
  • the orientation plate 106 comprises a first face 106a and a second face 106b linked together by a second lateral surface 106c.
  • the orientation plate 106 can be made of plastic material, for example a charged thermoplastic material, advantageously polyamide loaded with glass fiber.
  • Plastics have the advantage of making the oil nozzle 100 lighter than the nozzles known from the prior art.
  • an orientation plate 106 made of plastic material, and more particularly of thermoplastic material can easily be produced by injection / molding processes repeatedly in large series.
  • the orientation plate 106 can be made of any material, for example a metal alloy.
  • the orientation plate 106 comprises a hole 107 passing right through the orientation plate 106. More specifically, the hole 107 opens onto the first face 106a and the second face 106b.
  • the hole 107 is intended to accommodate the nozzle body 101. More particularly, the nozzle body 101 is mounted in abutment in the hole 107 against the first face 106a.
  • the abutment mounting is carried out by abutment means.
  • the abutment means are adapted to prevent any movement of the orientation plate along the axis XX 'of the nozzle body 101 when the nozzle 100 is mounted on the block of an engine for example.
  • the abutment mounting can be obtained by a shoulder, called the first shoulder 101f, of the lateral surface 101c of the nozzle body 101.
  • the first shoulder 101f of the lateral surface 101c rests against the first face 106a, so that the inner surface 108 of the hole 107 does not require any additional shoulder.
  • the inner surface 108 of the hole 107 also includes a shoulder of shape complementary to the first shoulder, called the second shoulder 107a.
  • the first shoulder rests on the second shoulder so as to ensure the abutment mounting of the nozzle body against the first face 106a.
  • the mounting of the nozzle body 101 in abutment against the first face 106a is not limited to the formation of shoulders.
  • the lateral surface 101c and the internal surface 108 may for example be conical in shape.
  • the contact surface 101d of the nozzle body 101 is flush with the second face 106b of the orientation plate 106.
  • the orientation plate 106 and the nozzle body 101 comprise first means of complementary orientation of the oil outlet 105.
  • Said first complementary orientation means are intended to orient the oil outlet 105 relative to the orientation plate 106.
  • the plate orientation 106 further comprises second orientation means for orienting said orientation plate 106 in the engine block.
  • first complementary orientation means and the second orientation means are adapted to allow the orientation of the oil outlet 105 relative to the engine block.
  • the first complementary orientation means can be formed by an interior surface 108 of the non-circular hole 107 (not shown).
  • the interior surface of the hole 108 may include one or more flats.
  • the lateral surface section 101c of the nozzle body 101 in contact with the interior surface 108 of the hole 107 may also include one or more flats intended to be matched with the one or more flats of the interior surface 108 of the hole 107.
  • the fitting, flat (s) against flat (s), of the nozzle body 101 in the hole 107 will allow the orientation of the oil outlet 105 relative to the orientation plate 106.
  • the nozzle body 101 may comprise an injection tube 112 ( figure 4b ) connected in leaktight manner to the oil outlet 105.
  • the injection tube 112 comprises a first end and a second end, the first end being connected in leaktight manner to the oil outlet 105, and the second end being intended to direct the oil jet when the oil nozzle is in operation.
  • the injection tube 112 can advantageously rest on the first face 106a of the orientation plate 106.
  • lateral stops are arranged on the first face 106a and on either side of the injection tube 112 so preventing any movement of rotation of the nozzle body 101, with respect to the orientation plate 106, when it is inserted into the hole 107.
  • the injection tube 112 is guided by the lateral stops.
  • the lateral stops can for example be formed by a groove for receiving the tube injection 112 ( figure 3 ). Such an arrangement thus makes it possible to orient the oil outlet 105 relative to the orientation plate 106.
  • the orientation plate 106 also includes second orientation means intended to orient said plate 106 relative to the engine block.
  • the second means of orientation illustrated in figure 3 , may for example include a lug 109 disposed on the second face 106b of the plate 106 and intended to be inserted into a hole in the engine block (not shown).
  • the second orientation means may also comprise a flat formed on the lateral surface 106c of the plate 106.
  • the orientation plate 106 may have several flat areas, for example 2, 3 or 4 flat areas so as to give said plate a square shape.
  • a complementary shape is also formed on the engine block, for example flat, intended to cooperate with the flat formed on the lateral surface 106c of the orientation plate 106.
  • orientation plate 106 relative to the engine block, and the orientation of the oil outlet 105 relative to said plate 106 makes it possible to obtain a precise orientation of the oil outlet 105 in the engine block.
  • the first complementary orientation means and the second orientation means do not require soldering to fix the orientation of the nozzle body 101 relative to the orientation plate 106 and relative to the engine block.
  • the nozzle 100 also includes a retaining screw 110, emerging from the contact surface 101d of the nozzle body 101.
  • the retaining screw 110 is intended to exert a tight tightening of the contact surface 101d of the nozzle body 101 against the casing of the internal combustion engine, and sealingly correspond the oil inlet 103 of the nozzle body 101, and the oil supply of said casing.
  • the retaining screw 110 is mounted coaxially with the axial channel 102 so that it emerges from the contact surface 101d of the nozzle body 101 at the level of the oil inlet 103.
  • the tightening of the retaining screw the engine oil supply hole keeps the oil nozzle 100 in a stable position.
  • the retaining screw 110 is also adapted to allow oil to flow from the engine supply hole to the axial channel.
  • a bloodletting 115 ( figure 4a ) can be formed along the screw thread along its axis of revolution.
  • the retaining screw 110 can also be hollow, namely comprising a channel formed in its volume along its axis of revolution so as to guide oil from the oil inlet to the lateral channel 104.
  • the retaining screw can pass right through the nozzle body 101 from its exposed surface 101e to its contact surface 101d.
  • the stop means comprise the screw head 110a of the retaining screw 110.
  • the screw head 110a of the retaining screw rests against the first face 106a of the orientation plate so as to prevent any movement of the orientation plate 106 along the axis XX 'of the nozzle body 101 when the nozzle 100.
  • the tightening of the retaining screw can be adjusted so that the stress exerted on said plate 106 is less than the elastic limit. of plastic.
  • orientation plate 106 of plastic material has no effect on the mechanical strength and / or the degradation of the function of the nozzle 100 according to the invention.
  • the assembly includes the supply of the nozzle body 101.
  • the injection tube 112 is also then introduced into the oil outlet hole 105.
  • the injection tube 112 / nozzle body 101 assembly is then brazed so as to permanently and tightly seal the injection tube 112 to the nozzle body 101.
  • the brazing step is carried out by techniques known in the art. skilled in the art and is therefore not described in the present description.
  • the injection tube 112 / nozzle body 101 assembly is introduced into the hole 107 through the first face 106a of the orientation plate 106, and abuts against said first face 106a.
  • the stop function is performed by the first shoulder 101f, and possibly the second shoulder 107a described above.
  • the orientation of the oil outlet 105 relative to the orientation plate 106 is carried out by the first complementary orientation means during the insertion of the nozzle body 101 into the hole 107.
  • the orientation of the outlet oil can, for example, be performed by the establishment of the injection tube 112 between the two lateral stops or in the groove.
  • the injection tube 112 can be bent so as to orient the oil jet.
  • the assembly comprising the nozzle body 101, the injection tube 112 and the orientation plate 106 can then be assembled to the engine block so as to match the oil inlet 103 of the plate d orientation with an oil supply to said engine.
  • the orientation plate 106 is oriented relative to the motor housing using the second orientation means.
  • the lug 109 is for example inserted into a hole formed in the motor housing.
  • the clamping screw 110 then stably fixes the nozzle thus formed.
  • This manufacturing process requires fewer assembly steps compared to the nozzles known from the prior art.
  • the nozzle 100 according to the invention makes it possible to use plastics for the production of the orientation plate 106, which makes it possible to reduce the production costs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Nozzles (AREA)
EP17704514.3A 2016-02-17 2017-02-16 Gicleur d'huile de fabrication simplifiée Active EP3417157B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1651282A FR3047769B1 (fr) 2016-02-17 2016-02-17 Gicleur d'huile de fabrication simplifiee
PCT/EP2017/053562 WO2017140817A1 (fr) 2016-02-17 2017-02-16 Gicleur d'huile de fabrication simplifiee

Publications (2)

Publication Number Publication Date
EP3417157A1 EP3417157A1 (fr) 2018-12-26
EP3417157B1 true EP3417157B1 (fr) 2020-01-08

Family

ID=56411699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17704514.3A Active EP3417157B1 (fr) 2016-02-17 2017-02-16 Gicleur d'huile de fabrication simplifiée

Country Status (10)

Country Link
US (1) US10774700B2 (ja)
EP (1) EP3417157B1 (ja)
JP (1) JP7155006B2 (ja)
KR (1) KR20180110137A (ja)
CN (1) CN108603425B (ja)
BR (1) BR112018016276A2 (ja)
ES (1) ES2782200T3 (ja)
FR (1) FR3047769B1 (ja)
PT (1) PT3417157T (ja)
WO (1) WO2017140817A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3067437B1 (fr) 2017-06-13 2019-08-02 Bontaz Centre R & D Gicleur de fluide axial a clapet evente
FR3067770B1 (fr) * 2017-06-16 2020-08-14 Bontaz Centre R & D Gicleur a vis captive
CN108952922A (zh) * 2018-07-20 2018-12-07 江苏农华智慧农业科技股份有限公司 一种发动机新材料活塞冷却喷嘴结构及其生产工艺
USD928201S1 (en) * 2019-08-02 2021-08-17 Transportation Ip Holdings, Llc Piston cooling apparatus
USD921044S1 (en) * 2019-08-02 2021-06-01 Transportation Ip Holdings, Llc Piston cooling apparatus
USD965029S1 (en) * 2020-09-11 2022-09-27 Transportation Ip Holdings, Llc Piston cooling jet

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JP3003470B2 (ja) * 1993-08-30 2000-01-31 日産自動車株式会社 内燃機関のカム潤滑装置
US6866011B1 (en) * 2003-10-09 2005-03-15 General Motors Corporation Block-mounted piston squirter
US7086354B2 (en) * 2003-10-29 2006-08-08 Deere & Company Cooling nozzle mounting arrangement
US7063049B2 (en) * 2004-03-03 2006-06-20 Deere & Company Directed spray jet and installation tool
EP1676989B1 (de) * 2005-01-03 2011-11-23 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Verbrennungsmotor mit einer Kolbenkühlvorrichtung
JP2009013800A (ja) 2007-07-02 2009-01-22 Honda Motor Co Ltd ピストン冷却用オイルジェット装置
US8122859B2 (en) 2008-10-22 2012-02-28 Cummins, Inc. Nylon body located piston cooling nozzle
JP2012021503A (ja) 2010-07-16 2012-02-02 Hikari Seiko Co Ltd ピストン冷却用オイルジェット
CN202645703U (zh) * 2012-07-05 2013-01-02 东风汽车公司 带凸台式密封面结构的活塞冷却喷嘴
CN102877924B (zh) * 2012-09-28 2015-12-16 潍柴动力股份有限公司 发动机及活塞冷却喷嘴、过油螺栓
FR3004489B1 (fr) * 2013-04-11 2017-04-28 Bontaz Centre R & D Dispositif de refroidissement pour moteur a combustion interne a encombrement reduit et procede de fabrication d'un tel dispositif
CN105283644B (zh) 2013-04-11 2019-06-04 邦达研发中心 用于控制流体到***的供给以允许流体消耗最优化的设备
CN203669984U (zh) * 2013-12-27 2014-06-25 中国第一汽车股份有限公司 双喷***塞冷却喷嘴总成
FR3022361B1 (fr) 2014-06-17 2016-07-15 Bontaz Centre R & D Dispositif de commande de l'ecoulement d'un fluide a detection de seuil de pression integree

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
BR112018016276A2 (pt) 2018-12-18
WO2017140817A1 (fr) 2017-08-24
ES2782200T3 (es) 2020-09-11
JP2019505725A (ja) 2019-02-28
US20190063274A1 (en) 2019-02-28
FR3047769A1 (fr) 2017-08-18
PT3417157T (pt) 2020-04-01
FR3047769B1 (fr) 2019-05-31
US10774700B2 (en) 2020-09-15
CN108603425B (zh) 2020-12-22
KR20180110137A (ko) 2018-10-08
CN108603425A (zh) 2018-09-28
JP7155006B2 (ja) 2022-10-18
EP3417157A1 (fr) 2018-12-26

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