DE69003774T2 - Wärmeisolierter Kolben. - Google Patents
Wärmeisolierter Kolben.Info
- Publication number
- DE69003774T2 DE69003774T2 DE1990603774 DE69003774T DE69003774T2 DE 69003774 T2 DE69003774 T2 DE 69003774T2 DE 1990603774 DE1990603774 DE 1990603774 DE 69003774 T DE69003774 T DE 69003774T DE 69003774 T2 DE69003774 T2 DE 69003774T2
- Authority
- DE
- Germany
- Prior art keywords
- piston
- heat insulating
- piston crown
- heat
- ceramic material
- 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.)
- Expired - Fee Related
Links
- 229910010293 ceramic material Inorganic materials 0.000 claims description 37
- 230000002093 peripheral effect Effects 0.000 claims description 28
- 239000000919 ceramic Substances 0.000 claims description 21
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 17
- 239000000567 combustion gas Substances 0.000 claims description 10
- 238000005229 chemical vapour deposition Methods 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 13
- 238000007789 sealing Methods 0.000 description 8
- 230000002411 adverse Effects 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
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
- F02F3/00—Pistons
- F02F3/0015—Multi-part pistons
- F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
-
- 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
- F02F3/10—Pistons having surface coverings
- F02F3/12—Pistons having surface coverings on piston heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2251/00—Material properties
- F05C2251/04—Thermal properties
- F05C2251/042—Expansivity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/16—Fibres
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20564789A JPH0668257B2 (ja) | 1989-08-10 | 1989-08-10 | 断熱ピストンの構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69003774D1 DE69003774D1 (de) | 1993-11-11 |
| DE69003774T2 true DE69003774T2 (de) | 1994-03-31 |
Family
ID=16510357
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1990307647 Pending DE412660T1 (de) | 1989-08-10 | 1990-07-12 | Waermeisolierter kolben. |
| DE1990603774 Expired - Fee Related DE69003774T2 (de) | 1989-08-10 | 1990-07-12 | Wärmeisolierter Kolben. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1990307647 Pending DE412660T1 (de) | 1989-08-10 | 1990-07-12 | Waermeisolierter kolben. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0412660B1 (ja) |
| JP (1) | JPH0668257B2 (ja) |
| DE (2) | DE412660T1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4221240C2 (de) * | 1992-06-27 | 2003-01-30 | Mahle Gmbh | Gekühlter zweiteiliger Kolben |
| DE10306115B4 (de) * | 2003-02-14 | 2005-11-24 | Ks Kolbenschmidt Gmbh | Kolben für eine Brennkraftmaschine |
| DE102006045729A1 (de) * | 2006-09-27 | 2008-04-03 | Mahle International Gmbh | Kolben für einen Verbrennungsmotor und Verfahren zu seiner Herstellung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE433376B (sv) * | 1979-10-22 | 1984-05-21 | Saab Scania Ab | Kolvmotor med vermeisolerat forbrenningsrum |
| JPS59101566A (ja) * | 1982-12-03 | 1984-06-12 | Ngk Insulators Ltd | エンジン部品 |
| DE294092T1 (de) * | 1987-05-30 | 1989-04-20 | Isuzu Motors Ltd., Tokio/Tokyo | Waermeisolierter brennkraftmaschinenaufbau. |
-
1989
- 1989-08-10 JP JP20564789A patent/JPH0668257B2/ja not_active Expired - Lifetime
-
1990
- 1990-07-12 DE DE1990307647 patent/DE412660T1/de active Pending
- 1990-07-12 DE DE1990603774 patent/DE69003774T2/de not_active Expired - Fee Related
- 1990-07-12 EP EP19900307647 patent/EP0412660B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0370845A (ja) | 1991-03-26 |
| EP0412660B1 (en) | 1993-10-06 |
| JPH0668257B2 (ja) | 1994-08-31 |
| DE412660T1 (de) | 1991-07-25 |
| EP0412660A1 (en) | 1991-02-13 |
| DE69003774D1 (de) | 1993-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |