EP1980729B1 - Gicleur de refroidissement à clapet - Google Patents

Gicleur de refroidissement à clapet Download PDF

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Publication number
EP1980729B1
EP1980729B1 EP20080152694 EP08152694A EP1980729B1 EP 1980729 B1 EP1980729 B1 EP 1980729B1 EP 20080152694 EP20080152694 EP 20080152694 EP 08152694 A EP08152694 A EP 08152694A EP 1980729 B1 EP1980729 B1 EP 1980729B1
Authority
EP
European Patent Office
Prior art keywords
passage
section
axial
downstream
tubular 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.)
Active
Application number
EP20080152694
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1980729A1 (fr
Inventor
Stéphane Perotto
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 SA
Original Assignee
Bontaz Centre SA
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 Bontaz Centre SA filed Critical Bontaz Centre SA
Publication of EP1980729A1 publication Critical patent/EP1980729A1/fr
Application granted granted Critical
Publication of EP1980729B1 publication Critical patent/EP1980729B1/fr
Active 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
    • 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
    • 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
    • F01P3/10—Cooling by flow of coolant through pistons
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve

Definitions

  • the nozzle body 1 as shown comprises an upstream section la with a cylindrical outer surface of revolution ground to be forcefully and sealingly introduced into an end bore of an engine coolant supply channel. (not shown)
  • a section with a ground external surface it is possible to provide another known means of attachment, for example an attached fixing plate, and a seal provided by an annular seal.
  • the upstream section 4b has an outside diameter smaller than the inside diameter of the intermediate section 12b of the axial through-passage 12, thus leaving a peripheral space 16 which allows the axial conduction of fluid from the main seat 13 to the radial outlet passages 8 and 9 It is noted that the upstream end 4a of the tubular guide liner 4 is axially recessed from the main seat 13 downstream, to define an annular fluid passage 17 between the main seat 13 and the peripheral space 16.
  • the annular end flange 18 bears axially on the shoulder 12d, is guided laterally in the downstream section 12e, and is retained in the downstream section 12e 12d shoulder by folding the end skirt 14 of the nozzle body 1 on the downstream end face of the annular end flange 18.
  • the assembly of the tubular guide liner 4 in the nozzle body 1 can thus be made of easy and fast way, without requiring particularly precise machining.
  • the downstream section 4c of the tubular guide liner 4 further comprises a centering section 19 engaged in a corresponding bore of the through axial passage 12.
  • the corresponding bore is provided in the intermediate section 12b of the axial through-passage 12, in the downstream holding portion 1c of the nozzle body 1.
  • Both variants of radial excrescences 20 illustrated on the Figures 5 and 6 can be used in each of the variants of the figures 4 and 10 .
  • downstream end of the nozzle body 1 is spaced a distance D1 from the downstream edge of the radial outlet passages 8 or 9.
  • downstream end of the nozzle body 1 is located at a distance D2 from the downstream edge of the radial outlet passages 8 or 9.
  • the rear seat 15b is arranged axially in such a way that, when the valve 2 or 2a bears on the rear seat 15b, it releases a just sufficient section of the annular passage of fluid 17 for fluid conduction.
  • the passage left between the valve 2 or 2a and the main seat 13 may have substantially the same section as that of the subsequent fluid conduction elements such as the peripheral space 16.
  • annular fluid passage 17 and the diameter of the upstream axial passage section 12a will be chosen such that, when the ball-shaped valve 2a is in the closed position ( figure 8 ), the center of the ball-shaped valve 2a is still located downstream of the upstream end 4a of the tubular guide liner 4. This ensures good lateral guidance of the ball-shaped valve 2a in the tubular guide liner 4.
  • a nozzle makes it possible to cool several pistons at the same time, in particular in V-shaped engines by providing a plurality of output tubes such as tubes 10 and 11.
  • the reduced axial size of the nozzle allows its use in the majority of modern engines very compact.
  • the nozzle as described allows to be fixed by fitting the nozzle body by the engine block, without risk of jamming of the valve.
  • the dimensions of the various components and coolant passages will be selected to meet the flow specifications.
  • the materials can be chosen to meet the specifications.
  • the presence of the rear seat 15b makes it possible both to protect the return spring 3 by limiting its compression, to immobilize the valve 2 or 2a when the stroke necessary to obtain the maximum requested flow rate is reached, and to limit leaks. by the vent 21 when the coolant is present at high pressure.
  • the particular position of the rear seat 15b, which immobilizes the valve 2 or 2a as soon as the stroke required to obtain the maximum requested flow rate is reached, makes it possible to limit the leaks towards the vent 21 as soon as a relatively low pressure is reached. .

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)
  • Absorbent Articles And Supports Therefor (AREA)
  • Air Bags (AREA)
  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Details Of Valves (AREA)
  • Medicinal Preparation (AREA)
  • Saccharide Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)
EP20080152694 2007-03-16 2008-03-13 Gicleur de refroidissement à clapet Active EP1980729B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0753892A FR2913723B1 (fr) 2007-03-16 2007-03-16 Gicleur de refroidissement a clapet

Publications (2)

Publication Number Publication Date
EP1980729A1 EP1980729A1 (fr) 2008-10-15
EP1980729B1 true EP1980729B1 (fr) 2010-01-27

Family

ID=38520997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080152694 Active EP1980729B1 (fr) 2007-03-16 2008-03-13 Gicleur de refroidissement à clapet

Country Status (8)

Country Link
US (1) US7559296B2 (ko)
EP (1) EP1980729B1 (ko)
JP (1) JP4629119B2 (ko)
KR (1) KR101001849B1 (ko)
CN (1) CN101265833B (ko)
AT (1) ATE456735T1 (ko)
DE (1) DE602008000594D1 (ko)
FR (1) FR2913723B1 (ko)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8397749B2 (en) * 2007-09-07 2013-03-19 Metaldyne Company Llc Piston cooling jet with tracking ball orifice
FR2935771B1 (fr) * 2008-09-09 2010-10-08 Bontaz Centre Sa Dispositif de commande de l'alimentation d'un systeme avec un fluide
US8322361B2 (en) * 2008-12-30 2012-12-04 General Electric Company Methods, apparatus and/or systems relating to controlling flow through concentric passages
CN101865015B (zh) * 2010-06-02 2011-11-16 奇瑞汽车股份有限公司 一种活塞冷却喷嘴
FR2976621B1 (fr) * 2011-06-15 2015-02-20 Peugeot Citroen Automobiles Sa Systeme d'alimentation d'un gicleur d'huile pour un moteur a combustion
WO2013004609A1 (en) * 2011-07-06 2013-01-10 Shell Internationale Research Maatschappij B.V. System and method for injecting a treatment fluid into a wellbore and a treatment fluid injection valve
WO2013068323A1 (en) 2011-11-08 2013-05-16 Shell Internationale Research Maatschappij B.V. Valve for a hydrocarbon well, hydrocarbon well provided with such valve and use of such valve
AU2013220510B2 (en) 2012-02-14 2015-12-03 Shell Internationale Research Maatschappij B.V. Method for producing hydrocarbon gas from a wellbore and valve assembly
JP5827164B2 (ja) * 2012-04-04 2015-12-02 トヨタ自動車株式会社 オイルジェット
JP5730846B2 (ja) 2012-12-27 2015-06-10 トヨタ自動車株式会社 内燃機関のオイルジェット装置
JP5821865B2 (ja) * 2013-02-05 2015-11-24 トヨタ自動車株式会社 内燃機関のオイルジェット異常判定装置および内燃機関の制御装置
ES2816642T3 (es) 2013-04-11 2021-04-05 Bontaz Centre R&D Pulverizador de enfriamiento para un pistón de un motor de combustión interna
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
FR3007455B1 (fr) * 2013-06-20 2016-12-30 Renault Sa Gicleur pour ejecter un fluide de refroidissement vers un piston
US9572555B1 (en) * 2015-09-24 2017-02-21 Ethicon, Inc. Spray or drip tips having multiple outlet channels
CN105221232A (zh) * 2015-11-05 2016-01-06 重庆驰龙摩托车配件有限公司 一种摩托车双缸发动机活塞冷却装置
FR3067437B1 (fr) * 2017-06-13 2019-08-02 Bontaz Centre R & D Gicleur de fluide axial a clapet evente
US10704450B2 (en) * 2017-06-16 2020-07-07 Illinois Tool Works Inc. Piston cooling jet assembly
US11333140B2 (en) * 2019-06-11 2022-05-17 Caterpillar Inc. Cooling block for multi-cylinder air compressor
FR3103244B1 (fr) * 2019-11-15 2022-12-23 Bontaz Centre R&D Clapet à piston compact
US11506110B2 (en) 2020-05-18 2022-11-22 Schaeffler Technologies AG & Co. KG Oil-spray tube with poppet valve

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729018A (en) * 1971-07-06 1973-04-24 Spraying Systems Co Unloader valve for spray guns
JP3106058B2 (ja) 1994-05-20 2000-11-06 株式会社ユニシアジェックス 内燃機関における潤滑・冷却装置
JP2002089310A (ja) * 2000-09-14 2002-03-27 Mitsubishi Motors Corp エンジン制御装置
FR2827009B1 (fr) * 2001-07-04 2003-12-12 Bontaz Centre Sa Gicleur de refroidissement a piston
DE10261180A1 (de) * 2002-12-20 2004-07-01 Daimlerchrysler Ag Temperaturgeregelte Ölspritzdüse zur Kolbenkühlung
US7152623B2 (en) * 2003-09-09 2006-12-26 Metaldyne Company, Llc Fluid jet for providing fluid under pressure to a desired location
FR2885170B1 (fr) * 2005-05-02 2007-09-21 Bontaz Ct Sa Clapet a fuite controlee pour gicleur de refroidissement de piston

Also Published As

Publication number Publication date
ATE456735T1 (de) 2010-02-15
CN101265833A (zh) 2008-09-17
FR2913723B1 (fr) 2009-06-12
US20080223318A1 (en) 2008-09-18
KR20080084724A (ko) 2008-09-19
JP2008232145A (ja) 2008-10-02
CN101265833B (zh) 2012-04-25
EP1980729A1 (fr) 2008-10-15
JP4629119B2 (ja) 2011-02-09
US7559296B2 (en) 2009-07-14
DE602008000594D1 (de) 2010-03-18
FR2913723A1 (fr) 2008-09-19
KR101001849B1 (ko) 2010-12-17

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