EP3094851B1 - In das kurbelgehäuse eines flüssigkeitsgekühlten motors eingebautes pumpengehäuse - Google Patents

In das kurbelgehäuse eines flüssigkeitsgekühlten motors eingebautes pumpengehäuse Download PDF

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Publication number
EP3094851B1
EP3094851B1 EP15702534.7A EP15702534A EP3094851B1 EP 3094851 B1 EP3094851 B1 EP 3094851B1 EP 15702534 A EP15702534 A EP 15702534A EP 3094851 B1 EP3094851 B1 EP 3094851B1
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EP
European Patent Office
Prior art keywords
engine
pump body
motorcycle
pump
cylinder
Prior art date
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Application number
EP15702534.7A
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English (en)
French (fr)
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EP3094851A1 (de
Inventor
Olivier Midy
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.)
RDMO SAS
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RDMO SAS
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0043—Arrangements of mechanical drive elements
    • F02F7/0058—Longitudinally or transversely separable crankcases
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P5/12—Pump-driving arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/0068—Adaptations for other accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/007—Adaptations for cooling

Definitions

  • the present invention relates to the field of twin-cylinder engines, including flat-twin engines with liquid cooling.
  • These engines comprise in known manner two complementary half-casings with respect to a longitudinal vertical joint plane, generally corresponds to the median plane of the motorcycle.
  • a hydraulic pump ensures the circulation of the coolant.
  • the water pump is installed on the clutch housing, itself mounted on one of the half crankcases.
  • the clutch housing has a shape defining the bottom of the pump.
  • the body of the pump is defined by this shape and the lid.
  • a lid closes the body of the pump. Ducts feed the cylinders into boreholes in the clutch housing and the engine crankcase. A hose connects the water heater to the pump inlet on the side of the motorcycle.
  • the solution of the prior art involves the positioning of the pump laterally. It thus forms an unsightly protuberance, and involves the arrival of a tubing of water on the side of the motorcycle. In addition to the inelegant aspect of this tubing, this solution can lead to tearing of the tubing.
  • the present invention relates, in its most general sense, to a water-cooled motorcycle twin-cylinder engine comprising two complementary half-crankcases with respect to a vertical joint plane, including a main engine crankcase. vertical seal, comprising a water pump whose rotor is driven by the distribution shaft.
  • one of the half-casings has a protuberance defining a hollow volume forming the pump body, and opening towards the complementary half-casing by a flat front surface located in the joint plane of the two casings, said pump body being closed by a cover comprising a coolant inlet duct placed on the top of the engine, the cover further having a configuration opening into a coolant outlet.
  • the motor comprises a conduit connecting the body of the pump to the rear cylinder.
  • the connecting conduit connecting the body of the pump to the rear cylinder is constituted by a cavity formed in the half-casing (2) having the pump body.
  • the vertical plane passing through the axis of said inlet duct is placed between said joint plane and the outer vertical plane of said half-casing.
  • the water-cooled motorcycle engine further comprises a tube housed in a duct opening at one of its ends into the liquid outlet said lid, and at the other end in the front cylinder.
  • said tube is movable between a position of use where it ensures a sealed conduction between the pump body and the front cylinder, and a retracted position for disassembly, in which the end of the tube is discarded. sliding the pump head in said duct.
  • said tube has an annular groove cooperating in the use position with a locking screw.
  • said engine is a two-cylinder engine comprising two aligned cylinders, arranged longitudinally with respect to the motorcycle.
  • the conduit connecting the pump body to the rear cylinder is constituted by a cavity formed in the half casing having the pump body.
  • the engine block (1) comprises a main housing forming a right half-casing (2) and a left half-casing (3) associated in a joint plane (4) corresponds in the example described in the longitudinal plane vertical motorcycle.
  • This housing has in known manner a housing (5) for receiving the crankshaft bearing, a laying plane (6) for receiving the rear cylinder, a housing (7) for the distribution chain (or chain well).
  • the right crankcase (2) has a protrusion (8) relative to the left crankcase (3).
  • This protuberance (8) is located at the upper part of the half-casing (2). It delimits a hollow volume (9) corresponding to the pump body receiving the rotor (10).
  • This hollow volume (9) has a generally volute shape, with a portion (11) substantially cylindrical extended by a spiral extension partially separated by a partition of the cylindrical portion (11).
  • This volume opens towards the complementary half-casing (3) by a flat front surface (14) located in the joint plane (4).
  • a cover (17) closes the pump body thus formed, by screwing on the joint plane (4).
  • the half-casing (2) has, at this front surface (14), two countersinks (flat-bottom drilling) (15, 16) for centering the pump cover (17) via two centering sleeves (calibrated tubes complementary to counterbores).
  • the countersinks (15, 16) are extended by threads.
  • two complementary threads (18, 19) are provided on the front surface (14).
  • the lid is fixed on the front surface (14) by four screws cooperating with said threads.
  • the complementary half-casing (3) has a bore (20) perpendicular to the joint planes (6, 21) and parallel to the axis of the cylinders.
  • This bore (20) opens into the laying plane (21) of the front cylinder.
  • this borehole opens into a substantially annular zone (22) provided on the complementary half-casing (3), in the vicinity of the protrusion (14).
  • the pump cover (17) has a water inlet duct (23) extending radially with respect to the pump body, towards the front of the engine, on the upper part of the casing. It is bent to feed the rotor with coolant from the radiator.
  • the cover (17) also has a boss (24) receiving a bleed screw.
  • the cover (17) furthermore has a protuberance (25) inside which is arranged an outlet bore coaxial with the bore (20), for conducting the cooling liquid from the pump body to the front cylinder, through the intermediate of a tube (26) housed in the borehole (20).
  • This tube (26) is configured to allow a tight connection of its upstream end with the output bore, and downstream with the bore (20). O-rings are provided at each end to seal the connection.
  • This tube is movable longitudinally between a position of use, where it provides the hydraulic connection, and a disassembly position in which it enters the complementary housing (3) to allow the disassembly of the cover (17).
  • a screw (28) ensures the locking of the tube (26) in the use position, by cooperation with an annular groove (29).
  • the screw (28) is screwed into a boss (30).
  • the output stream is illustrated on the figure 5 . It breaks down into a flow (31) feeding the front cylinder, and a flow (32) feeding the rear cylinder.
  • This flow (32) impresses a bore (34) parallel to the axis of the pump and opening under the protuberance (25) of the pump cover (17).
  • This flow (32) feeds the rear cylinder via a bore (33) provided in the first half-casing (2).
  • the two boreholes (33, 34) communicate with each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (9)

  1. Wassergekühlter Motorradmotor bestehend aus zwei in Bezug auf eine vertikale Trennebene komplementären Gehäusehälften bzw. einem Hauptmotorengehäuse mit vertikaler Trennebene (4), welches eine Wasserpumpe enthält, wobei eine der Gehäusehälften (2) eine Ausstülpung (8) aufweist, welche einen hohlen Raum (9) abgrenzt, der das Pumpengehäuse bildet, wobei besagtes Pumpengehäuse an der Oberseite des Motors mit einem Deckel (17) verschlossen wird, der eine Einlassleitung (23) für die Kühlflüssigkeit aufweist, wobei der Deckel (17) des Weiteren eine Struktur aufweist, die in einem Ablass der Kühlflüssigkeit endet, dadurch gekennzeichnet, dass der Motor ein Zweizylindermotor ist und der Rotor (10) der Wasserpumpe über die Verteilerwelle angetrieben wird, und dadurch, dass das hohle Volumen (9), welches das Pumpengehäuse bildet, über eine ebene Frontfläche auf der Trennebene (4) der beiden Gehäuse zur komplementären Gehäusehälfte führt.
  2. Wassergekühlter Motorradmotor gemäß Anspruch 1, dadurch gekennzeichnet, dass sich die durch die Achse der besagten Einlassleitung (23) verlaufende vertikale Ebene zwischen besagter Trennebene (4) und der vertikalen äußeren Ebene der besagten Gehäusehälfte (2) befindet.
  3. Motorrad, welches einen wassergekühlten Motorradmotor nach Anspruch 1 enthält.
  4. Motorrad nach Anspruch 3, dadurch gekennzeichnet, dass der Motor eine Leitung (33, 34) umfasst, welche das Pumpengehäuse mit dem hinteren Zylinder verbindet.
  5. Motorrad nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass besagte Leitung, welche das Pumpengehäuse mit dem hinteren Zylinder verbindet, aus einem Hohlraum (33, 34) besteht, der in der Gehäusehälfte (2) mit dem Pumpengehäuse gebildet wird.
  6. Motorrad nach Anspruch 3, dadurch gekennzeichnet, dass der Motor des Weiteren ein Rohr (26) aufweist, welches an einem seiner Enden zum Flüssigkeitsablass des besagten Deckels, und am anderen Ende zum vorderen Zylinder führt.
  7. Motorrad nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass besagtes Rohr (26) zwischen einer Arbeitsposition, in welcher es für eine dichte Flüssigkeitsleitung zwischen dem Pumpenkörper und dem vorderen Zylinder sorgt, und einer eingefahrenen Demontageposition, in welcher das Ende des Rohrs in besagte Leitung eingeschoben und somit vom Pumpenkopf entfernt wird, bewegt werden kann.
  8. Motorrad nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass besagtes Rohr (26) eine ringförmige Nut (29) aufweist, die in der Arbeitsposition mit einer Feststellschraube (28) zusammenwirkt.
  9. Motorrad nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass besagter Motor ein Zweizylindermotor ist, der zwei in Reihe angeordnete Zylinder aufweist, die in Bezug auf das Motorrad längs ausgerichtet sind.
EP15702534.7A 2014-01-13 2015-01-08 In das kurbelgehäuse eines flüssigkeitsgekühlten motors eingebautes pumpengehäuse Active EP3094851B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1450239A FR3016396A1 (fr) 2014-01-13 2014-01-13 Corps de pompe integree dans le carter d'un moteur a refroidissement liquide
FR1454920A FR3016410B1 (fr) 2014-01-13 2014-05-30 Corps de pompe integree dans le carter d'un moteur a refroidissement liquide
PCT/FR2015/050028 WO2015104497A1 (fr) 2014-01-13 2015-01-08 Corps de pompe integrée dans le carter d'un moteur a refroidissement liquide

Publications (2)

Publication Number Publication Date
EP3094851A1 EP3094851A1 (de) 2016-11-23
EP3094851B1 true EP3094851B1 (de) 2018-10-24

Family

ID=51417446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15702534.7A Active EP3094851B1 (de) 2014-01-13 2015-01-08 In das kurbelgehäuse eines flüssigkeitsgekühlten motors eingebautes pumpengehäuse

Country Status (5)

Country Link
EP (1) EP3094851B1 (de)
JP (1) JP2017502210A (de)
CN (1) CN106062349A (de)
FR (2) FR3016396A1 (de)
WO (1) WO2015104497A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018180278A1 (ja) * 2017-03-31 2018-10-04 本田技研工業株式会社 車両用パワーユニット

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2526682Y2 (ja) * 1988-09-26 1997-02-19 富士重工業株式会社 オイルポンプ装置
JP3156524B2 (ja) * 1994-09-29 2001-04-16 スズキ株式会社 自動二輪車用水冷式エンジン
JPH1136863A (ja) * 1997-07-24 1999-02-09 Yanmar Diesel Engine Co Ltd Ｖ字型エンジンの冷却機構
JP3731697B2 (ja) * 1997-09-03 2006-01-05 本田技研工業株式会社 水冷式内燃機関の冷却装置
JP4302800B2 (ja) * 1998-09-12 2009-07-29 本田技研工業株式会社 ４サイクルエンジンの潤滑構造
US6109221A (en) * 1999-02-17 2000-08-29 Kohler Co. Engine with integral coolant pump
CN100470040C (zh) * 2004-12-17 2009-03-18 重庆宗申技术开发研究有限公司 对置双缸发动机曲轴箱
CN101218425A (zh) * 2005-07-05 2008-07-09 菲特斯公司 特别用于摩托车或四轮驱车的四冲程单缸液冷内燃发动机
JP2007218173A (ja) * 2006-02-16 2007-08-30 Yamaha Motor Co Ltd エンジン
WO2008057015A1 (en) * 2006-11-08 2008-05-15 Husqvarna Aktiebolag Crankcase and internal combustion engine unit
MY165409A (en) * 2009-12-31 2018-03-21 Petroliam Nasional Berhad Engine
AT511074B1 (de) * 2011-06-22 2012-09-15 Avl List Gmbh Brennkraftmaschine mit zumindest einem hin- und hergehenden kolben

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
FR3016410B1 (fr) 2016-01-22
FR3016396A1 (fr) 2015-07-17
WO2015104497A1 (fr) 2015-07-16
JP2017502210A (ja) 2017-01-19
EP3094851A1 (de) 2016-11-23
CN106062349A (zh) 2016-10-26
FR3016410A1 (fr) 2015-07-17

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