CN104302902A - Piston of internal combustion engine - Google Patents
Piston of internal combustion engine Download PDFInfo
- Publication number
- CN104302902A CN104302902A CN201380025298.5A CN201380025298A CN104302902A CN 104302902 A CN104302902 A CN 104302902A CN 201380025298 A CN201380025298 A CN 201380025298A CN 104302902 A CN104302902 A CN 104302902A
- Authority
- CN
- China
- Prior art keywords
- piston
- slide block
- piece
- connecting rod
- lower portion
- 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
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
- F01P3/10—Cooling by flow of coolant through pistons
-
- 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
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
-
- 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
- F02F3/00—Pistons
- F02F3/0015—Multi-part pistons
-
- 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
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
-
- 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
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
- F02F3/225—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid the liquid being directed into blind holes
-
- 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
- F16J1/09—Pistons; Trunk pistons; Plungers with means for guiding fluids
Abstract
A piston of an internal combustion engine, having a piston upper part (10) and a piston lower part (11), having a piston pin (12) which is mounted in the piston lower part (11) and which serves for connecting the piston to a connecting rod (13) of the internal combustion engine, having an inner cooling chamber (15), formed between the piston upper part (10) and the piston lower part (11), for cooling oil for cooling the piston, said inner cooling chamber being connected via at least one transfer bore (17) to an outer cooling chamber (16) formed between the piston upper part (10) and a piston lower part (11), and having a single-piece slide shoe (19) which is movably mounted in the piston lower part (11) and which is forced by means of a spring element (20) against a connecting rod head (14) of the connecting rod (13) and which serves for transferring cooling oil, which has been conducted through a bore (18) in the connecting rod (13), into the inner cooling chamber (15), wherein a guide surface (21) for the single-piece slide shoe (19) is formed between the single-piece slide shoe (19) and the piston lower part (11), and wherein, as viewed in the axial direction of the piston and slide shoe, the spring element (20) extends, at least in sections, parallel to the guide surface (21) for the single-piece slide shoe (19).
Description
Technical field
The present invention relates to a kind of piston of internal-combustion engine of preamble according to claim 1.The present invention relates to a kind of slide block of the piston for such internal-combustion engine of preamble according to claim 8 in addition.
Background technique
The piston of known a kind of internal-combustion engine from file DE 35 18 721 C2, this piston comprises upper piston area part and piston lower portion part, and it preferably utilizes screwed joint to be connected to each other.In piston lower portion part, be supported with wrist pin, wherein this wrist pin is used as connecting rod place piston being attached to internal-combustion engine.Piston according to file DE 35 18 721 C2 is oil cooling, wherein be configured with for cooling chamber in cold oil on the one hand between upper piston area part and piston lower portion part and be configured with the outer cooling chamber for cold oil on the other hand, and wherein in cooling chamber shift hole with outer cooling chamber by least one and be connected.In order to be incorporated into by cold oil in interior cooling chamber, be integrated in connecting rod according to prior art by the supply orifice being used for cold oil, wherein cold oil can be transported in interior cooling chamber by means of the cold oil guide sleeves of two-piece type from connecting rod.The first component of the neck-shaped of the cold oil guide sleeves of two-piece type is immovably fixed in the piston lower portion part of piston according to file DE 35 18 721 C2.The such acting in conjunction of parts of the static neck-shaped of funnel shaped, the movable parts of cold oil guide sleeves and the cold oil guide sleeves of this two-piece type, namely makes elastic element (acting between two parts of its cold oil guide sleeves at two-piece type) flexibly in the mode of sliding contact, the funnel shaped parts of cold oil guide sleeves are pressed against the connecting rod head of connecting rod.The cold oil guide sleeves applying such multi-part type is disadvantageous for being transported to by cold oil in interior cooling chamber from the hole in connecting rod, because only utilize high cost just can realize assembling the cold oil guide sleeves of such multi-part type.
Known from reality, replace the cold oil guide sleeves of multi-part type known from file DE 35 18 721 C2, more Specifically substituted by the slide block of single-piece.Fig. 1 shows portion's section of the piston from internal-combustion engine in the region being configured in cooling chamber 3 between upper piston area part 1 and piston lower portion part 2, and wherein the slide block 4 of single-piece is movably bearing in piston lower portion part 2.This slide block 4 has end 5 and the funnel shaped end 6 of neck-shaped, and wherein slide block 4 is used as cold oil to be transported to from the connecting rod do not shown in FIG in interior cooling chamber 3.Be incorporated in slide block 4 by hole 7, this hole 7 not only penetrates the end 5 of the neck-shaped of slide block 7 but also penetrates the funnel shaped end 6 of slide block 7 and expand to funnel shape in funnel shaped end 6 for this reason.In addition can be obtained by Fig. 1, between slide block 4 and piston lower portion part 2, (being adjacent in the region of funnel shaped end 6 of slide block 4 more Specifically in the end 5 of the neck-shaped of slide block 4) is configured with the guide surface 8 for slide block 4.Elastic element 9 (slide block 4 can be pressed in the connecting rod do not shown in FIG by it) is on the one hand supported on slide block 4 place and is supported on lower housing portion 2 place on the other hand, wherein on the axial direction of piston or slide block 4, observes this elastic element 9 and can be arranged to arrange one with guide surface 8.
Such for the piston of internal-combustion engine in so-called compression height be typical special parameter, wherein compression height is corresponding to the spacing between the axis and the upper seamed edge of piston of wrist pin.The structure height of internal-combustion engine is determined particularly by one of internal-combustion engine or the compression height of each piston.Another typical special parameter (structure height of its combustion motor has impact) of the piston of internal-combustion engine is the so-called Piston bowl degree of depth of the Piston bowl (Kolbenmulde is sometimes referred to as piston bowl combustion chamber) be configured in the region of upper piston area part.By the burning that relatively dark Piston bowl can be improved in the cylinder of corresponding internal-combustion engine, use corresponding piston wherein.But Piston bowl implement darker, the structure height of compression height and thus internal-combustion engine is higher.
Summary of the invention
Create the novel piston of internal-combustion engine and the novel slide block for such piston as starting point target of the present invention.
This target is solved by piston according to claim 1.Extend according to elastic element of the present invention guide surface be parallel to observing at least part of section for the slide block of single-piece on the axial direction of piston or slide block.
Utilize the present invention to realize, be implemented as more deeply at the situation lower piston cavity that the compression height of piston remains unchanged or reduce the compression height of corresponding piston when the cavity degree of depth of piston remains unchanged.
According to a kind of favourable improvement project of the present invention, for the slide block of single-piece at least part of section in guide surface radial direction outer side around elastic element.Such design proposal allows the especially favourable enforcement of the slide block of single-piece and therefore especially advantageously affects compression height and/or the Piston bowl degree of depth of piston.
Preferably the slide block of single-piece has the end of neck-shaped and funnel shaped end, wherein the connecting rod head of connecting rod is pressed against in funnel shaped end by elastic element, and wherein from funnel shaped end bump with the end of neck-shaped there is at least part of section in mode radial direction outer side of radial spacing around the extension of the end of neck-shaped.Guide surface for slide block is configured between bump and piston lower portion part.Elastic element extends in the cavity be configured between bump and the end of neck-shaped.This design proposal of the slide block of the single-piece of piston is especially preferred.
Define in claim 8 according to slide block of the present invention.
Accompanying drawing explanation
The preferred improvement project of the present invention obtains by dependent claims and following description.Illustrate embodiments of the invention in detail according to drawing, the present invention does not limit by these embodiments.Wherein:
Fig. 1 shows the portion's section come since piston well known in the prior art in the region of the slide block of single-piece;
Fig. 2 shows first section from piston according to the present invention in the region of the slide block of single-piece;
Fig. 3 shows second section from piston according to the present invention in the region of the slide block of single-piece; And
Fig. 4 shows the slide block of Fig. 2 with single diagram.
Embodiment
The present invention relates to the piston of the oil cooling of a kind of internal-combustion engine (being especially embodied as the internal-combustion engine of diesel engine or gas engine or diesel oil gas engine, such as marine diesel internal-combustion engine).Such piston is also referred to as being plunger.
Fig. 2 and 3 respectively illustrates the portion's section according to piston of the present invention from internal-combustion engine, and wherein piston comprises upper piston area part 10 and piston lower portion part 11.Upper piston area part 10 and piston lower portion part 11 are preferably formed by light metal, steel or spheroidal graphite cast iron manufacture.Upper piston area part 10 and piston lower portion part 11 support and fastened to each other preferably by the fixed block being embodied as swell fixture mutually.
In the hole of piston lower portion part 11, be supported with wrist pin 12, wherein wrist pin 12 is used as connecting rod 13 place piston being attached to internal-combustion engine.Show the so-called connecting rod head 14 of connecting rod 13 in fig. 2.
Between upper piston area part 10 and piston lower portion part 11, be configured with interior cooling chamber 15 on the one hand and be configured with outer cooling chamber 16 for cold oil on the other hand, wherein, cooling chamber 15 is connected by shifting hole 17 according to Fig. 2 with outer cooling chamber 16.Cold oil is fed in interior cooling chamber 15 by hole 18, this hole 18 extends through connecting rod 13 and also extends through connecting rod head 14, wherein cold oil can be transported to interior cooling chamber 15 from connecting rod 13 by means of slide block 19, and this slide block 19 is movably bearing in piston lower portion part 11.The slide block 19 be movably bearing in piston lower portion part 11 is embodied as the slide block 19 of single-piece and is pressed against the connecting rod head 14 of connecting rod 13 for sealing by elastic element 20.Between the slide block 19 and piston lower portion part 11 of single-piece, be configured with guide surface 21, this guide surface is used as the slide block 19 guiding the single-piece be movably bearing in piston lower portion part 11.
Meaning elastic element 20 of the present invention on the axial direction of piston and slide block 19 with observing at least part of section the guide surface 21 be parallel to for the slide block 19 of single-piece extend.Compared with prior art can reduce the structure height of the slide block of single-piece accordingly.The structure height of the reduction of slide block 19 can be used in the so-called compression height reducing piston, the spacing namely between the axis and the upper seamed edge of piston of wrist pin 12.In addition the degree of depth (it provided by upper piston area part 10) of Piston bowl 22 can be increased accordingly when compression height remains unchanged, with the burning in order to affect internal-combustion engine energetically.
For the slide block 19 of single-piece guide surface 21 at least partly section leading thread upwards outside gusset around elastic element 20.Observing in the radial direction inside the guide surface 21 that elastic element 20 radial direction is positioned at for slide block 19 therefore at piston or slide block 19.
As has already been discussed, slide block 19 is used as cold oil to be transported to from connecting rod 13 in interior cooling chamber 15, and wherein hole 22 extends through slide block 19 in the axial direction for this reason.
The slide block 19 of single-piece has first end 23 and the funnel shaped the second end 24 of neck-shaped, and wherein the connecting rod head 14 of connecting rod 13 is pressed against in the funnel shaped end 24 of slide block 19 in the mode sealed by elastic element 20.From funnel shaped the second end 24, bump 25 radial direction extends around the end 23 of neck-shaped outside at least part of section in side, this bump 25 has radial spacing with the end 23 of neck-shaped, thus is configured with cavity 26 between the end 23 and the bump 25 of radially outer of the neck-shaped of inner radial.Elastic element 20 (it is supported on slide block 19 place of single-piece on the one hand and is supported on piston lower portion part 11 place on the other hand) extends in this cavity 26.Guide surface 21 for slide block 19 is configured between this bump 25 and piston lower portion part 11.
The present invention relates to the slide block 19 of the piston for internal-combustion engine shown with single diagram in the diagram in addition.In order to avoid unnecessary repetition in the details of the slide block 19 of single-piece with reference to above-mentioned embodiment.
As preferably can obtained from Fig. 3, baffle ring 27 acts on end 23 place of the neck-shaped of the slide block 19 of single-piece, when dismantling connecting rod 13 when assembling or dismantle piston, utilizes baffle ring 27 also slide block 19 to be remained on piston lower portion part 11 place.
Utilize the present invention can implement darker by Piston bowl 22 when the compression height of piston remains unchanged.The degree of depth of this external Piston bowl 22 can reduce the compression height of piston when remaining unchanged.In addition jointly can utilize two effects, that is increase the cavity degree of depth of piston on the one hand and the compression height of another aspect reduction piston.
List of reference characters
1 upper piston area part
2 piston lower portion parts
3 cooling chambers
4 slide blocks
5 ends
6 ends
7 holes
8 guide surfaces
9 elastic elements
10 upper piston area parts
11 piston lower portion parts
12 wrist pins
13 connecting rods
14 connecting rod heads
15 cooling chambers
16 cooling chambers
17 transfer holes
18 holes
19 slide blocks
20 elastic elements
21 guide surfaces
22 holes
23 ends
24 ends
25 bumps
26 cavitys
27 baffle rings
Claims (9)
1. a piston for internal-combustion engine, with: upper piston area part (10) and piston lower portion part (11), wrist pin (12), this wrist pin to be bearing in described piston lower portion part (11) and to be used as described piston to be attached at connecting rod (13) place of internal-combustion engine, be configured between described upper piston area part (10) and described piston lower portion part (11) for cooling chamber in cold oil (15) for cooling piston, this interior cooling chamber (15) by least one transfer hole (17) be connected with the outer cooling chamber (16) be configured between described upper piston area part (10) and piston lower portion part (11), and be movably bearing in the slide block (19) of the single-piece in described piston lower portion part (11), this slide block (19) is pressed against the connecting rod head (14) of described connecting rod (13) by elastic element (20) and is used as the cold oil guided by the hole (18) in described connecting rod (13) to be transported in described interior cooling chamber (15), between the slide block (19) and piston lower portion part (11) of described single-piece, be wherein configured with the guide surface (21) of the slide block (19) for described single-piece, it is characterized in that, described elastic element (20) described guide surface (21) be parallel to observing at least part of section for the slide block (19) of described single-piece on the axial direction of described piston or described slide block extends.
2. piston according to claim 1, is characterized in that, in described guide surface (21) radial direction of the slide block (19) of described single-piece outside at least part of section in side ground around described elastic element (20).
3. piston according to claim 1 and 2, it is characterized in that, described elastic element (20) observing in the radial direction within the described guide surface (21) that radial direction is positioned at for the slide block (19) of described single-piece at described piston or described slide block.
4. the piston according to any one of Claim 1-3, it is characterized in that, described elastic element (20) is supported on slide block (19) place of described single-piece on the one hand and is supported on described piston lower portion part (11) place on the other hand.
5. the piston according to any one of claim 1 to 4, it is characterized in that, the slide block (19) of described single-piece has end (23) and funnel shaped end (24) of neck-shaped, wherein said funnel shaped end (24) is pressed against the described connecting rod head (14) of described connecting rod (13) by described elastic element (20), and wherein from described funnel shaped end (24) bump (25) so that the mode radial direction that there is radial spacing with the end (23) of described neck-shaped to extend around the end (23) of described neck-shaped outside at least part of section in side.
6. piston according to claim 5, is characterized in that, the described guide surface (21) for described slide block (19) is configured between described bump (25) and described piston lower portion part (11).
7. the piston according to claim 5 or 6, is characterized in that, described elastic element (20) extends in the cavity (26) between the end (23) being configured in described bump (25) and described neck-shaped.
8. the slide block for the piston of the oil cooling of internal-combustion engine, this slide block is pressed against the connecting rod head (14) of connecting rod (13) by elastic element (20), wherein be configured with the guide surface (21) of the slide block for single-piece between the described slide block implemented and piston lower portion part at single-piece, it is characterized in that, the described guide surface (21) that described elastic element (20) observe at least part of section on the axial direction of described slide block is parallel to for the slide block of described single-piece extends.
9. slide block according to claim 8, is characterized in that the feature according to any one of claim 2 to 7.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012208090.2A DE102012208090B4 (en) | 2012-05-15 | 2012-05-15 | Pistons of an internal combustion engine |
| DE102012208090.2 | 2012-05-15 | ||
| PCT/EP2013/001406 WO2013170947A1 (en) | 2012-05-15 | 2013-05-14 | Piston of an internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104302902A true CN104302902A (en) | 2015-01-21 |
| CN104302902B CN104302902B (en) | 2017-08-25 |
Family
ID=48463918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380025298.5A Active CN104302902B (en) | 2012-05-15 | 2013-05-14 | The piston of internal combustion engine |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP5964497B2 (en) |
| KR (1) | KR101687090B1 (en) |
| CN (1) | CN104302902B (en) |
| DE (1) | DE102012208090B4 (en) |
| FI (1) | FI126961B (en) |
| WO (1) | WO2013170947A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443418A (en) * | 2019-08-27 | 2021-03-05 | 曼恩能源方案有限公司 | Piston of internal combustion engine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016202643A1 (en) | 2016-02-22 | 2017-08-24 | Mahle International Gmbh | Piston of an internal combustion engine |
| DE102018203417A1 (en) | 2018-03-07 | 2019-09-12 | Mahle Lnternational Gmbh | Piston arrangement of an internal combustion engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108901A (en) * | 1984-12-20 | 1986-06-10 | 热机研究有限公司 | Be used in particular for the light-weight piston of internal-combustion engine |
| US20030154855A1 (en) * | 2000-05-05 | 2003-08-21 | Dieter Messmer | Combustion engine with a built-up piston |
| US20040045515A1 (en) * | 2000-12-20 | 2004-03-11 | Ulrich Bischofberger | Cooling duct piston for a direct-injection diesel engine |
| CN101331307A (en) * | 2005-12-17 | 2008-12-24 | 马勒国际公司 | Two-piece piston for an internal combustion engine |
| JP4624373B2 (en) * | 2007-03-20 | 2011-02-02 | 三井造船株式会社 | Piston cooling hardware for internal combustion engines |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1669290A (en) | 1927-03-04 | 1928-05-08 | Worthington Pump & Mach Corp | Piston |
| US2241629A (en) | 1940-04-20 | 1941-05-13 | Gen Motors Corp | Oil cooled piston |
| GB702002A (en) | 1951-06-27 | 1954-01-06 | Crossley Brothers Ltd | Improvements relating to the pistons of internal combustion engines |
| GB737714A (en) | 1953-05-16 | 1955-09-28 | British Leyland Motor Corp | Cooling of internal combustion engine pistons |
| GB1120206A (en) | 1965-07-09 | 1968-07-17 | Wellworthy Ltd | Improvements in or relating to pistons for internal combustion engines |
| FR1524454A (en) | 1967-04-19 | 1968-05-10 | Moteur Moderne Le | Diesel engine cooled piston |
| US3450113A (en) | 1967-12-08 | 1969-06-17 | Continental Aviat & Eng Corp | Valve construction for variable compression ratio piston |
| SE7712947L (en) * | 1976-11-18 | 1978-05-19 | Nat Res Dev | COMBUSTION ENGINE DEVICE |
| DE3518721C3 (en) * | 1985-05-24 | 1997-09-04 | Man B & W Diesel Ag | Oil-cooled, multi-part plunger of an internal combustion engine |
| DE3702694C1 (en) | 1987-01-30 | 1988-04-21 | Mahle Gmbh | Oil-cooled piston for internal combustion engines, especially for diesel engines |
| DE4018252A1 (en) | 1990-06-07 | 1991-12-12 | Man B & W Diesel Ag | Oil cooled IC engine - has oil deflection ring to recirculate oil in internal chamber in position |
-
2012
- 2012-05-15 DE DE102012208090.2A patent/DE102012208090B4/en active Active
-
2013
- 2013-05-14 WO PCT/EP2013/001406 patent/WO2013170947A1/en active Application Filing
- 2013-05-14 CN CN201380025298.5A patent/CN104302902B/en active Active
- 2013-05-14 JP JP2015503787A patent/JP5964497B2/en active Active
- 2013-05-14 KR KR1020147034959A patent/KR101687090B1/en active IP Right Grant
-
2014
- 2014-10-14 FI FI20145895A patent/FI126961B/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108901A (en) * | 1984-12-20 | 1986-06-10 | 热机研究有限公司 | Be used in particular for the light-weight piston of internal-combustion engine |
| US20030154855A1 (en) * | 2000-05-05 | 2003-08-21 | Dieter Messmer | Combustion engine with a built-up piston |
| US20040045515A1 (en) * | 2000-12-20 | 2004-03-11 | Ulrich Bischofberger | Cooling duct piston for a direct-injection diesel engine |
| CN101331307A (en) * | 2005-12-17 | 2008-12-24 | 马勒国际公司 | Two-piece piston for an internal combustion engine |
| JP4624373B2 (en) * | 2007-03-20 | 2011-02-02 | 三井造船株式会社 | Piston cooling hardware for internal combustion engines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443418A (en) * | 2019-08-27 | 2021-03-05 | 曼恩能源方案有限公司 | Piston of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015514182A (en) | 2015-05-18 |
| DE102012208090B4 (en) | 2022-03-24 |
| DE102012208090A1 (en) | 2013-11-21 |
| FI126961B (en) | 2017-08-31 |
| JP5964497B2 (en) | 2016-08-03 |
| WO2013170947A1 (en) | 2013-11-21 |
| KR101687090B1 (en) | 2016-12-15 |
| CN104302902B (en) | 2017-08-25 |
| KR20150013770A (en) | 2015-02-05 |
| FI20145895A (en) | 2014-10-14 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Augsburg Patentee after: Mann Energy Solutions Ltd. Address before: Augsburg Patentee before: Man Diesel & Turbo SE |