DE19955809B4 - Kolben eines Verbrennungsmotors - Google Patents

Kolben eines Verbrennungsmotors Download PDF

Info

Publication number: DE19955809B4
Authority: DE; Germany
Prior art keywords: piston; cooling; cooling gallery; screw; gallery
Prior art date: 1998-11-19
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 - Lifetime

Application number

DE19955809A

Other languages

German (de)

English (en)

Other versions

DE19955809A1 (de

Inventor

Sakari Pisilä

Tommy Rönnskog

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.)

WECOMETAL Oy

Original Assignee

WECOMETAL 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.)

1998-11-19

Filing date

1999-11-19

Publication date

2012-08-30

1999-11-19 Application filed by WECOMETAL Oy filed Critical WECOMETAL Oy

2000-05-25 Publication of DE19955809A1 publication Critical patent/DE19955809A1/de

2012-08-30 Application granted granted Critical

2012-08-30 Publication of DE19955809B4 publication Critical patent/DE19955809B4/de

2019-11-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

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
- F02F3/0023—Multi-part pistons the parts being bolted or screwed together
- 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

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Pistons, Piston Rings, And Cylinders (AREA)

DE19955809A 1998-11-19 1999-11-19 Kolben eines Verbrennungsmotors Expired - Lifetime DE19955809B4 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI982507		1998-11-06
FI982507A FI106396B (sv)	1998-11-19	1998-11-19	Kolv för en förbränningsmotor

Publications (2)

Publication Number	Publication Date
DE19955809A1 DE19955809A1 (de)	2000-05-25
DE19955809B4 true DE19955809B4 (de)	2012-08-30

Family

ID=8552943

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19955809A Expired - Lifetime DE19955809B4 (de)	1998-11-19	1999-11-19	Kolben eines Verbrennungsmotors

Country Status (3)

Country	Link
DE (1)	DE19955809B4 (sv)
FI (1)	FI106396B (sv)
GB (1)	GB2343933B (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6704004B1 (en)	2000-08-17	2004-03-09	Nokia Mobile Phones Ltd.	Arrangement for integration of key illumination into keymat of portable electronic devices
US6803903B1 (en)	2000-08-17	2004-10-12	Nokia Mobile Phones, Ltd.	Integration of organic light-emitting components into the keyboard of an electronic device
DE10244513A1 (de) *	2002-09-25	2004-04-08	Mahle Gmbh	Mehrteiliger gekühlter Kolben für einen Verbrennungsmotor und Verfahren zu dessen Herstellung
US7817136B2 (en)	2006-02-15	2010-10-19	Logitech Europe S.A.	Dead front mouse
CN104747312A (zh) *	2015-02-16	2015-07-01	山东滨州渤海活塞股份有限公司	带内冷油腔结构的内燃机活塞及内燃机
DE102015002322A1 (de) *	2015-02-26	2016-09-01	Mahle International Gmbh	Kolben für einen Verbrennungsmotor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH543000A (fr) *	1971-01-19	1973-10-15	Semt	Piston de moteur à combustion interne
US4011797A (en) *	1973-07-19	1977-03-15	Dampers Societe Anonyme	Oil-cooled piston for a heat engine
DE3842321A1 (de) *	1988-12-16	1990-06-21	Kolbenschmidt Ag	Kolben mit oelkuehlung fuer brennkraftmaschinen
DE3919872A1 (de) *	1989-06-19	1990-12-20	Mahle Gmbh	Tauchkolben fuer verbrennungsmotoren mit einem kuehloeldurchfluteten kolbenkopf
DE4118400A1 (de) *	1990-06-29	1992-01-02	Kolbenschmidt Ag	Gebauter, oelgekuehlter kolben fuer dieselmotoren
DE68914179T2 (de) *	1988-02-26	1994-11-17	Wellworthy Ltd	Kolben.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4517930A (en) *	1982-09-28	1985-05-21	Kawasaki Jukogyo Kabushiki Kaisha	Piston of combustion engine
DE4429489A1 (de) *	1994-08-19	1996-02-22	Mahle Gmbh	Gebauter Kolben für Verbrennungsmotoren
FI102559B1 (sv) *	1995-03-09	1998-12-31	Waertsilae Nsd Oy Ab	Kolvenhet vid en förbränningsmotor

1998
- 1998-11-19 FI FI982507A patent/FI106396B/sv not_active IP Right Cessation
1999
- 1999-11-18 GB GB9927319A patent/GB2343933B/en not_active Expired - Lifetime
- 1999-11-19 DE DE19955809A patent/DE19955809B4/de not_active Expired - Lifetime

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH543000A (fr) *	1971-01-19	1973-10-15	Semt	Piston de moteur à combustion interne
US4011797A (en) *	1973-07-19	1977-03-15	Dampers Societe Anonyme	Oil-cooled piston for a heat engine
DE68914179T2 (de) *	1988-02-26	1994-11-17	Wellworthy Ltd	Kolben.
DE3842321A1 (de) *	1988-12-16	1990-06-21	Kolbenschmidt Ag	Kolben mit oelkuehlung fuer brennkraftmaschinen
DE3919872A1 (de) *	1989-06-19	1990-12-20	Mahle Gmbh	Tauchkolben fuer verbrennungsmotoren mit einem kuehloeldurchfluteten kolbenkopf
DE4118400A1 (de) *	1990-06-29	1992-01-02	Kolbenschmidt Ag	Gebauter, oelgekuehlter kolben fuer dieselmotoren
EP0464626A1 (de) *	1990-06-29	1992-01-08	KOLBENSCHMIDT Aktiengesellschaft	Gebauter, ölgekühlter Kolben für Dieselmotoren

Also Published As

Publication number	Publication date
FI982507L (sv)	2000-05-20
GB9927319D0 (en)	2000-01-12
GB2343933A9 (en)	2002-02-21
GB2343933B (en)	2002-10-09
FI982507A0 (sv)	1998-11-19
FI106396B (sv)	2001-01-31
DE19955809A1 (de)	2000-05-25
GB2343933A (en)	2000-05-24

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Legal Events

Date	Code	Title	Description
2006-12-14	8110	Request for examination paragraph 44
2008-04-30	8128	New person/name/address of the agent	Representative=s name: WIESE KONNERTH FISCHER PATENTANWAELTE PARTNERSCHAF
2012-04-19	R018	Grant decision by examination section/examining division
2012-11-30	R026	Opposition filed against patent
2013-03-07	R026	Opposition filed against patent	Effective date: 20121130
2014-06-05	R031	Decision of examining division/federal patent court maintaining patent unamended now final
2014-09-25	R006	Appeal filed
2014-10-09	R008	Case pending at federal patent court
2015-07-22	R010	Appeal proceedings settled by withdrawal of appeal(s) or in some other way
2015-07-22	R031	Decision of examining division/federal patent court maintaining patent unamended now final
2015-08-06	R028	Decision that opposition inadmissible now final
2019-11-19	R071	Expiry of right