WO2011001017A1 - A method of installing and turnably journaling a connecting rod to a piston - Google Patents

A method of installing and turnably journaling a connecting rod to a piston Download PDF

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Publication number
WO2011001017A1
WO2011001017A1 PCT/FI2010/050460 FI2010050460W WO2011001017A1 WO 2011001017 A1 WO2011001017 A1 WO 2011001017A1 FI 2010050460 W FI2010050460 W FI 2010050460W WO 2011001017 A1 WO2011001017 A1 WO 2011001017A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting rod
piston
end part
bearing member
bearing
Prior art date
Application number
PCT/FI2010/050460
Other languages
French (fr)
Inventor
Håkan NYNÄS
Original Assignee
Wärtsilä Finland Oy
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 Wärtsilä Finland Oy filed Critical Wärtsilä Finland Oy
Priority to CN2010800206451A priority Critical patent/CN102448665A/en
Priority to JP2012516808A priority patent/JP2012531563A/en
Priority to EP10727763A priority patent/EP2448711A1/en
Publication of WO2011001017A1 publication Critical patent/WO2011001017A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/042—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts specially adapted for combustion engines
    • B23P19/043—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts specially adapted for combustion engines for inserting piston-connecting rods assemblies in cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/02—Constructions of connecting-rods with constant length
    • F16C7/023—Constructions of connecting-rods with constant length for piston engines, pumps or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/04—Connecting-rod bearings; Attachments thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/02—Bearing surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/10—Connection to driving members
    • F16J1/14—Connection to driving members with connecting-rods, i.e. pivotal connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/10—Connection to driving members
    • F16J1/14—Connection to driving members with connecting-rods, i.e. pivotal connections
    • F16J1/20—Connection to driving members with connecting-rods, i.e. pivotal connections with rolling contact, other than in ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/10—Connection to driving members
    • F16J1/14—Connection to driving members with connecting-rods, i.e. pivotal connections
    • F16J1/22—Connection to driving members with connecting-rods, i.e. pivotal connections with universal joint, e.g. ball-joint

Definitions

  • the invention relates to a method of installing and turnably journaling a connecting rod to a piston according to preamble of claim 1.
  • a connecting rod In an internal combustion engine force transmission between a piston and a crank shaft is typically arranged by means of a connecting rod, one end of which is turnably attached to the crank shaft of the engine and the other end respectively is turnably attached to the piston by means of a piston pin.
  • the arrangement includes a bearing surface between the upper end of the connecting rod and the piston pin as well as bearing surfaces between the piston pin and the piston.
  • Most of the bending loads on the piston pin come from the gas forces in the cylinder, less from inertia and side forces from the crank mechanism.
  • With increased need for higher cylinder outputs and higher cylinder maximum pressures there is a need for increased bearing surface areas to conform to the increased bending gas forces from the combustion.
  • Increased cylinder pressure affects most on the upper halves on the bearing surfaces. The bearing loads on the lower bearing halves, however, do not increase with increased cylinder pressure, but with piston weight and higher speed on the engine.
  • a known solution for increasing the bearing area is to utilise spherical bearing surfaces in the upper end of the connecting rod.
  • the upper end of the connecting rod can be turnably journalled directly to the bearing surface arranged inside the piston, and thus, no separate piston pin is needed.
  • the area of a curved bearing surface is wider than a cylindrical one allowing utilisation of increased cylinder pressures.
  • a drawback with this kind of traditional solution is increased weight of the upper end of the connecting rod, whereby the connect- ing rod must be reinforced and balancing of the engine must be increased.
  • Prior solutions are also complicated and the installation is awkward and time consuming.
  • An object of the invention is to provide a novel solution for utilising curved bearing surfaces for turnably journaling a connecting rod to a piston, applicable in an internal combustion engine, and installation thereof so that the drawbacks in the prior solutions can be minimised.
  • the piston is provided with a bearing member having a curved bearing surface to be turnably engaged with an end part of the connecting rod provided with similar bearing surface.
  • the bearing member has a ring-like shape with a cut-out at the side of the connecting rod.
  • the end part of the connecting rod is arranged through the cut-out into the piston in a position, in which the end part of the connecting rod and the bearing member are essentially perpendicular with regard to each other.
  • the connecting rod or the piston is then moved further so that the end part of the connecting rod becomes in contact with the bearing member. Thereafter the end part of the connecting rod and the bearing member are arranged to their final position by means of relative turning movement between the connecting rod and the piston so that the mutual bearing surfaces are aligned and substantially correspond to each other.
  • FIG. 1 a illustrates the first phase of the installation of a connecting rod to be turnably journalled with a piston in accordance with the invention
  • - Figure 1 b is section A-A of figure 1 a
  • FIG. 2a illustrates the second phase of the installation of a connecting rod to be turnably journalled with a piston in accordance with the invention
  • FIG. 3a illustrates as a 3D version the principle of the first phase of installa- tion according to figures 1 a and 1 b,
  • FIG. 3b illustrates as a 3D version the principle of the second phase of installation according to figures 2a and 2b
  • FIG. 4 illustrates the finishing phase of the installation and corresponds to the view of figure 2b.
  • the reference numeral 1 indicates a piston of an engine, which is provided with a bearing member 3 arranged inside of the piston 1 for turnably journaling an end part 2a of a connecting rod 2 thereto.
  • the bearing member 3 is a ring-like piece having a cut-out 3a located at the side of the connecting rod 2.
  • the mutual turning position of the end part 2a of the connecting rod 2 and the piston 1 with the bearing member 3 is arranged such that the end part 2a is roughly perpendicular with regard to the bearing member 3 (cf. figures 1 a, 1 b, and 3a).
  • the turning axis 5 of the end part 2a of the connecting rod 2 is perpendicular with regard to the axis 6 of the curvature of the bearing member 3.
  • a locking member 4 is inserted in the piston 1 as shown in figure 4.
  • the locking member 4 prevents turning of the piston 1 around its longitudinal axis relative to the connecting rod 2 during operation of the engine.
  • Figure 4 illustrates also dimensioning of the separate pieces and elements.
  • the width of the bearing member 3 is dimensioned so that its total circumference covers at most 180 degrees in the cross-sectional plane of the longitudinal axis of the piston 1 taken at the position of the turning axis 5 of the end part 2a of the connecting rod 2 after installation.
  • the end part 2a of the connecting rod 2 is formed so that on both sides of its curved bearing surface there is a planar side surface 2b (cf. the figures).
  • the curved bearing surfaces can be much wider than cylindrical ones utilised in connection with a piston pin.
  • the bearing member 3 is, however, easier to manufacture than a spherical bearing surface and it allows for insertion of the end part 2a of the connecting rod 2 through the cut-out 3a at lower part of the piston 1 (cf. figures 1 a and 3a).
  • the cut-out 3a should be dimensioned likewise so that it allows said insertion.
  • the cut-out 3a may with advan- tage be dimensioned to roughly correspond to the width of the end part 2a of the connecting rod 2 in the direction of its turning axis 5 (cf. figures 1 a and 3a).

Abstract

The invention relates to a method of installing and turnably journaling a connecting rod (2) to a piston (1). The piston (1) is provided with a bearing member (3) having a curved bearing surface to be turnably engaged with an end part (2a) of the connecting rod (2) provided with similar bearing surface. The bearing member (3) has a ring-like shape with a cut-out (3a) at the side of the connecting rod (2). The end part (2a) of the connecting rod (2) is arranged through the cut-out (3a) into the piston (1) in a position, in which the end part (2a) of the connecting rod (2) and the bearing member (3) are essentially perpendicular with regard to each other. Then the connecting rod (2) or the piston (1) is moved further so that the end part (2a) of the connecting rod (2) becomes in contact with the bearing member (3). Thereafter the end part (2a) of the connecting rod (2) and the bearing member (3) are arranged to their final position by means of relative turning movement between the connecting rod (2) and the piston (1) so that the mutual bearing surfaces are aligned and substantially correspond to each other.

Description

A METHOD OF INSTALLING AND TURNABLY JOURNALING A CONNECTING ROD TO A PISTON
Technical field
The invention relates to a method of installing and turnably journaling a connecting rod to a piston according to preamble of claim 1.
Background art
In an internal combustion engine force transmission between a piston and a crank shaft is typically arranged by means of a connecting rod, one end of which is turnably attached to the crank shaft of the engine and the other end respectively is turnably attached to the piston by means of a piston pin. The arrangement includes a bearing surface between the upper end of the connecting rod and the piston pin as well as bearing surfaces between the piston pin and the piston. Most of the bending loads on the piston pin come from the gas forces in the cylinder, less from inertia and side forces from the crank mechanism. With increased need for higher cylinder outputs and higher cylinder maximum pressures there is a need for increased bearing surface areas to conform to the increased bending gas forces from the combustion. Increased cylinder pressure affects most on the upper halves on the bearing surfaces. The bearing loads on the lower bearing halves, however, do not increase with increased cylinder pressure, but with piston weight and higher speed on the engine.
A known solution for increasing the bearing area is to utilise spherical bearing surfaces in the upper end of the connecting rod. Hereby the upper end of the connecting rod can be turnably journalled directly to the bearing surface arranged inside the piston, and thus, no separate piston pin is needed. The area of a curved bearing surface is wider than a cylindrical one allowing utilisation of increased cylinder pressures. A drawback with this kind of traditional solution is increased weight of the upper end of the connecting rod, whereby the connect- ing rod must be reinforced and balancing of the engine must be increased. Prior solutions are also complicated and the installation is awkward and time consuming.
An object of the invention is to provide a novel solution for utilising curved bearing surfaces for turnably journaling a connecting rod to a piston, applicable in an internal combustion engine, and installation thereof so that the drawbacks in the prior solutions can be minimised.
Disclosure of the invention
The objects of the invention can be met substantially as is disclosed in claim 1 and in the other claims.
The basic idea of the invention is to make use of curved bearing surfaces in a new way so that the design and the dimensions utilised allow easy and quick installation of the end part of the connecting rod and the piston together with its bearing member located inside. In accordance with the invention the piston is provided with a bearing member having a curved bearing surface to be turnably engaged with an end part of the connecting rod provided with similar bearing surface. The bearing member has a ring-like shape with a cut-out at the side of the connecting rod. The end part of the connecting rod is arranged through the cut-out into the piston in a position, in which the end part of the connecting rod and the bearing member are essentially perpendicular with regard to each other. The connecting rod or the piston is then moved further so that the end part of the connecting rod becomes in contact with the bearing member. Thereafter the end part of the connecting rod and the bearing member are arranged to their final position by means of relative turning movement between the connecting rod and the piston so that the mutual bearing surfaces are aligned and substantially correspond to each other.
Brief Description of Drawings In the following the invention will be described, by way of example only, with reference to the accompanying schematic drawing, in which
- Figure 1 a illustrates the first phase of the installation of a connecting rod to be turnably journalled with a piston in accordance with the invention, - Figure 1 b is section A-A of figure 1 a,
- Figure 2a illustrates the second phase of the installation of a connecting rod to be turnably journalled with a piston in accordance with the invention,
- Figure 2b is section B-B of figure 2a,
- Figure 3a illustrates as a 3D version the principle of the first phase of installa- tion according to figures 1 a and 1 b,
- Figure 3b illustrates as a 3D version the principle of the second phase of installation according to figures 2a and 2b, and
- Figure 4 illustrates the finishing phase of the installation and corresponds to the view of figure 2b.
Detailed Description of Drawings
In the figures the reference numeral 1 indicates a piston of an engine, which is provided with a bearing member 3 arranged inside of the piston 1 for turnably journaling an end part 2a of a connecting rod 2 thereto. The bearing member 3 is a ring-like piece having a cut-out 3a located at the side of the connecting rod 2. With reference to the figures the installation of the connecting rod 2 to be turnably journalled with the piston 1 takes place as follows.
The mutual turning position of the end part 2a of the connecting rod 2 and the piston 1 with the bearing member 3 is arranged such that the end part 2a is roughly perpendicular with regard to the bearing member 3 (cf. figures 1 a, 1 b, and 3a). In other words the turning axis 5 of the end part 2a of the connecting rod 2 is perpendicular with regard to the axis 6 of the curvature of the bearing member 3. From the viewpoint of the invention, in principle, it is of no consequence which of the pieces is turned, i.e. the connecting rod 2 or the piston 1. In practice, especially in case the connecting rod is already installed on the crank shaft of the engine, it may be easier to turn the piston 1 relative to the connect- ing rod 2 than vice versa. In this mutual position of the pieces the end part 2 of the connecting rod 2 is taken through the cut-out 3a of the bearing member 3. Again, in practice, the piston 1 is with advantage moved relative to the connecting rod 2 so that the end part 2a of the connecting rod 2 reaches into contact with the bearing member 3 as illustrated in figures 1 a and 3a. In the second phase the bearing surfaces of the bearing member 3 and the end part 2a are aligned by mutual relative turning movement between the piston 1 and the connecting rod 2, as illustrated in figures 1 a, 2a and 3b. In practice the piston 1 together with the bearing member 3 is with advantage turned with regard to the connecting rod 2 so that the mutual position shown in figures 2a, 2b, 3b and 4 is reached. In this position the axes 5 and 6 are also aligned. Then, in order to finish the installation a locking member 4 is inserted in the piston 1 as shown in figure 4. The locking member 4 prevents turning of the piston 1 around its longitudinal axis relative to the connecting rod 2 during operation of the engine. Figure 4 illustrates also dimensioning of the separate pieces and elements. Thus, the width of the bearing member 3 is dimensioned so that its total circumference covers at most 180 degrees in the cross-sectional plane of the longitudinal axis of the piston 1 taken at the position of the turning axis 5 of the end part 2a of the connecting rod 2 after installation. Correspondingly the end part 2a of the connecting rod 2 is formed so that on both sides of its curved bearing surface there is a planar side surface 2b (cf. the figures). Hereby the curved bearing surfaces can be much wider than cylindrical ones utilised in connection with a piston pin. The bearing member 3 is, however, easier to manufacture than a spherical bearing surface and it allows for insertion of the end part 2a of the connecting rod 2 through the cut-out 3a at lower part of the piston 1 (cf. figures 1 a and 3a). For this purpose the cut-out 3a should be dimensioned likewise so that it allows said insertion. In practice the cut-out 3a may with advan- tage be dimensioned to roughly correspond to the width of the end part 2a of the connecting rod 2 in the direction of its turning axis 5 (cf. figures 1 a and 3a). In this case the mutual bearing surfaces at the lower part of the arrangement next to the cut-out 3a are still sufficient for taking the inertia forces and crank forces resulting from operation of the engine. These forces may with advantage be decreased by providing the end part 2a of the connecting rod with reliefs 2c by machining some material away to thereby decrease the weight of the connecting rod 2.
The figures show only the principles of the invention. Thus the invention is not limited to the embodiment shown but variations are feasible within the scope of the inventive idea.

Claims

Claims
1. A method of installing and turnably journaling a connecting rod (2) to a piston (1 ), characterised in that the piston (1 ) is provided with a bearing member (3) having a curved bearing surface to be turnably engaged with an end part (2a) of the connecting rod (2) provided with similar bearing surface, said bearing member (3) having a ring-like shape with a cut-out (3a) at the side of the connecting rod (2), the method comprising arranging the end part (2a) of the connecting rod (2) through the cut-out (3a) into the piston (1 ) in a position, in which the end part (2a) of the connecting rod (2) and the bearing member (3) are es- sentially perpendicular with regard to each other, moving the connecting rod (2) or the piston (1 ) further so that the end part (2a) of the connecting rod (2) becomes in contact with the bearing member (3), and then arranging the end part (2a) of the connecting rod (2) and the bearing member (3) to their final position by means of relative turning movement between the connecting rod (2) and the piston (1 ) so that the mutual bearing surfaces are aligned and substantially correspond to each other.
2. A method according to claim 1 , characterised in that in the final positioning phase the piston (1 ) together with the bearing member (3) is turned with regard to the end part (2a) of the connecting rod (2) about 90 degrees around its axis.
3. A method according to claim 1 or 2, characterised in that the width of the bearing member (3) is dimensioned so that its total circumference covers at most 180 degrees in the cross-sectional plane of the longitudinal axis of the piston (1 ) taken at the position of the turning axis (5) of the end part (2a) of the connecting rod (2) after installation.
4. A method according to any one of the preceding claims, characterised in that the width of the cut-out (3a) is dimensioned to roughly correspond to the width of the end part (2a) of the connecting rod (2) in the direction of its turning axis (5).
5. A method according to any one of the preceding claims, characterised in that after properly locating the bearing member (3) relative to the end part (2a) of the connecting rod (2) locking means (4) are inserted in the piston (1 ) in engagement with a side surface of the end part (2a) of the connecting rod (2) to prevent mutual turning movement between the end part (2a) of the connecting rod (2) and the piston (1 ).
6. A method according to any one of the preceding claims, characterised in that the end part (2a) of the connecting rod (2) is formed so that on both sides of the curved bearing surface there is a planar side surface (2b) extending par- allel with the longitudinal axis of the piston (1 ) after installation.
7. A method according to claim 6, characterised in that before installation material is machined away from either side of the end part (2a) of the connecting rod (2) to make it lighter.
PCT/FI2010/050460 2009-06-29 2010-06-04 A method of installing and turnably journaling a connecting rod to a piston WO2011001017A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2010800206451A CN102448665A (en) 2009-06-29 2010-06-04 A method of installing and turnably journaling a connecting rod to a piston
JP2012516808A JP2012531563A (en) 2009-06-29 2010-06-04 Mounting a connecting rod on the piston and pivotally supporting it
EP10727763A EP2448711A1 (en) 2009-06-29 2010-06-04 A method of installing and turnably journaling a connecting rod to a piston

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20095732 2009-06-29
FI20095732A FI20095732A (en) 2009-06-29 2009-06-29 METHOD FOR ROTARY PISTON INSTALLATION AND BEARING

Publications (1)

Publication Number Publication Date
WO2011001017A1 true WO2011001017A1 (en) 2011-01-06

Family

ID=40825437

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2010/050460 WO2011001017A1 (en) 2009-06-29 2010-06-04 A method of installing and turnably journaling a connecting rod to a piston

Country Status (6)

Country Link
EP (1) EP2448711A1 (en)
JP (1) JP2012531563A (en)
KR (1) KR20120034614A (en)
CN (1) CN102448665A (en)
FI (1) FI20095732A (en)
WO (1) WO2011001017A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015039080A1 (en) * 2013-09-16 2015-03-19 Federal-Mogul Corporation Pinless piston with gallery
DE102015114952A1 (en) 2015-09-07 2017-03-09 Volkswagen Aktiengesellschaft Combination of a piston and a connecting rod

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179100A (en) * 2015-08-10 2015-12-23 广西玉柴机器股份有限公司 Piston and connecting rod assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB175000A (en) * 1920-10-28 1922-01-30 Henry Garner Improvements in internal combustion engines
GB863484A (en) * 1956-07-05 1961-03-22 Mahle Werk Gmbh Improvements in and relating to piston and connecting rod assemblies
EP1321673A2 (en) * 2001-12-20 2003-06-25 Hitachi, Ltd. Piston rod connection
EP1538373A1 (en) * 2003-12-02 2005-06-08 MAN B&W Diesel AG Driving mechanism of a combustion engine comprising a piston and a piston rod

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57126657U (en) * 1981-02-02 1982-08-06
JP2000337506A (en) * 1999-05-31 2000-12-05 Toyota Motor Corp Coupling structure of piston and connecting rod
JP4064335B2 (en) * 2003-11-07 2008-03-19 本田技研工業株式会社 Connecting rod for internal combustion engine and internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB175000A (en) * 1920-10-28 1922-01-30 Henry Garner Improvements in internal combustion engines
GB863484A (en) * 1956-07-05 1961-03-22 Mahle Werk Gmbh Improvements in and relating to piston and connecting rod assemblies
EP1321673A2 (en) * 2001-12-20 2003-06-25 Hitachi, Ltd. Piston rod connection
EP1538373A1 (en) * 2003-12-02 2005-06-08 MAN B&W Diesel AG Driving mechanism of a combustion engine comprising a piston and a piston rod

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015039080A1 (en) * 2013-09-16 2015-03-19 Federal-Mogul Corporation Pinless piston with gallery
US9303584B2 (en) 2013-09-16 2016-04-05 Federal-Mogul Corporation Pinless piston with gallery
CN105849443A (en) * 2013-09-16 2016-08-10 费德罗-莫格尔公司 Pinless piston with gallery
JP2016538510A (en) * 2013-09-16 2016-12-08 フェデラル−モーグル コーポレイション Pinless piston with gallery
CN105849443B (en) * 2013-09-16 2018-01-30 费德罗-莫格尔公司 With passage without pin piston
DE102015114952A1 (en) 2015-09-07 2017-03-09 Volkswagen Aktiengesellschaft Combination of a piston and a connecting rod

Also Published As

Publication number Publication date
FI20095732A (en) 2010-12-30
FI20095732A0 (en) 2009-06-29
KR20120034614A (en) 2012-04-12
EP2448711A1 (en) 2012-05-09
JP2012531563A (en) 2012-12-10
CN102448665A (en) 2012-05-09

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