WO1999040295A1 - Leichtbauventil - Google Patents
Leichtbauventil Download PDFInfo
- Publication number
- WO1999040295A1 WO1999040295A1 PCT/EP1999/000561 EP9900561W WO9940295A1 WO 1999040295 A1 WO1999040295 A1 WO 1999040295A1 EP 9900561 W EP9900561 W EP 9900561W WO 9940295 A1 WO9940295 A1 WO 9940295A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- stem
- cone
- valve plate
- lightweight
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/12—Cooling of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
- F01L3/04—Coated valve members or valve-seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49298—Poppet or I.C. engine valve or valve seat making
- Y10T29/49307—Composite or hollow valve stem or head making
Definitions
- the invention relates to a lightweight valve, in particular for an internal combustion engine.
- valve is known from DE 36 25 590 A.
- the valve disclosed there is intended to contribute to the development of an engine type with heat-insulated combustion chambers.
- the valve disk facing the combustion chamber is particularly thin-walled. This measure is intended to bring about a low heat absorption of the valve plate and correspondingly low heat losses.
- additional components are provided as a support between the valve plate and the valve stem in the extension of the valve stem.
- Lightweight valves are also known for. B. from DE 1 960 331 A, EP 0 091 097 A, US 2,731,708 or US 1,294,416.
- the support of the valve plate against the stem is also known from DE 36 25 590 A.
- a disadvantage of the solutions disclosed there, however, is that the support is provided with the aid of an additional intermediate piece, which is fixed between the valve plate and the stem, and that the wall thickness - 3 -
- valve plate is very small, so that deformations of the valve head can be expected.
- the invention is therefore concerned with the problem of increasing the stiffness of the valve head in a lightweight construction valve and of making the valve easier to manufacture.
- deformation values can be achieved which are in the range of the values of valves with a valve head made of solid material.
- the mass reduction of these lightweight valves is at least 40% compared to solid steel valves.
- the embodiment according to claim 1 represents a far-reaching departure from the previously customary design for lightweight valves, since the valve cone is no longer in one piece with the valve stem, but is manufactured as an individual part and the valve stem - possibly with an enlarged diameter - continues towards the valve disk .
- the conventional design of a one-piece tapered stem part is retained and the valve disk is supported against the stem by an integral extension which is integral with the stem part.
- the shaft is preferably designed as a drawn or welded tube or consists of solid material. - 4 -
- the valve cone is preferably fixed to the stem by soldering or welding.
- 'Radially inside' means: away from the outside diameter of the valve disk.
- the valve according to the invention creates a lightweight valve which has high rigidity even with thin walls and a correspondingly low weight.
- the invention is based on the basic idea of absorbing the gas forces acting on the valve plate by directly supporting the valve plate against the stem. By supporting the valve plate against the valve stem, in connection with the valve cone, a bending-resistant rotating surface structure with an approximately triangular cross-section is created.
- Fig. 1 shows an inventive valve in cross section
- Fig. 2 shows another embodiment, valve plate and cone in two pieces
- Fig. 3 shows an embodiment with a centering for the shaft foot - 5 -
- Fig. 4 shows an embodiment with a support molded onto the valve plate
- Valve cone and support are in one piece.
- a valve 1 for an internal combustion engine consists of a stem 2, a valve base (not shown), a funnel-shaped valve cone 3 and a valve disk 4 which is produced in one piece with the valve cone.
- the diameter of the stem is enlarged at the level of the valve cone 3.
- the stem 2 is welded to the valve plate 4.
- the valve cone 3 is welded to the stem 2 at its upper end.
- the valve cone 3, the valve plate 4 and the lower, extended shaft end connecting them together form a rigid rotational surface support structure.
- the wall thickness of the valve cone 3 is smaller than the wall thickness of the valve plate 4.
- valve plate 4 and valve cone 3 are not in one piece, but are connected to one another by a weld seam.
- the shaft is made of solid material.
- the shaft below the weld seam can also have a smaller diameter than in the area above the weld seam.
- valve plate 4 and valve cone 3 are in one piece and in the valve plate 4 a centering for the end of the stem 2 is provided. A welded connection is only provided between the upper end of the valve cone 3 and the stem.
- the wall thickness of the valve disk 4 is greater than the wall thickness of the valve cone 3.
- valve plate 4 is shown with a molded collar-shaped support according to claim 6. - 6 -
- stem 2 In Fig. 5 an embodiment according to claim 8 is shown, stem 2, valve cone 3 and the support of the valve plate are made in one piece, for. B. by metal injection molding or by turning.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59908022T DE59908022D1 (de) | 1998-02-03 | 1999-01-28 | Leichtbauventil |
US09/601,497 US6354258B1 (en) | 1998-02-03 | 1999-01-28 | Lightweight valve |
EP99908830A EP1053388B1 (de) | 1998-02-03 | 1999-01-28 | Leichtbauventil |
BR9908554-2A BR9908554A (pt) | 1998-02-03 | 1999-01-28 | Válvula de construção leve |
JP2000530689A JP4282900B2 (ja) | 1998-02-03 | 1999-01-28 | 軽量バルブ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19804053.9 | 1998-02-03 | ||
DE19804053A DE19804053A1 (de) | 1998-02-03 | 1998-02-03 | Leichtbauventil |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999040295A1 true WO1999040295A1 (de) | 1999-08-12 |
Family
ID=7856414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1999/000561 WO1999040295A1 (de) | 1998-02-03 | 1999-01-28 | Leichtbauventil |
Country Status (7)
Country | Link |
---|---|
US (1) | US6354258B1 (de) |
EP (2) | EP1053388B1 (de) |
JP (1) | JP4282900B2 (de) |
AR (1) | AR018055A1 (de) |
BR (1) | BR9908554A (de) |
DE (2) | DE19804053A1 (de) |
WO (1) | WO1999040295A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10257505B4 (de) * | 2001-12-27 | 2004-07-15 | Mahle Ventiltrieb Gmbh | Gaswechselventil eines Verbrennungsmotors |
JP2007526419A (ja) * | 2004-03-03 | 2007-09-13 | マーレ ヴェンティルトリープ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 内燃機関のガス交換弁 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE50000201D1 (de) * | 2000-09-29 | 2002-07-11 | Ford Global Tech Inc | Ventil für Brennkraftmaschinen |
DE10209770A1 (de) * | 2002-03-05 | 2003-10-09 | Daimler Chrysler Ag | Leichtbauventil |
DE10217719A1 (de) * | 2002-04-20 | 2003-11-06 | Mahle Ventiltrieb Gmbh | Beweglicher, heißen Gasen ausgesetzter Verschlusskörper eines Ventiles |
DE10354077B4 (de) | 2003-11-19 | 2005-10-20 | Daimler Chrysler Ag | Leichtbauventil |
DE10354074B4 (de) * | 2003-11-19 | 2006-01-26 | Daimlerchrysler Ag | Leichtbauventil |
DE10354085B4 (de) | 2003-11-19 | 2005-11-24 | Daimlerchrysler Ag | Leichtbauventil |
DE10354076B4 (de) * | 2003-11-19 | 2006-03-09 | Daimlerchrysler Ag | Leichtbauventil |
DE10354086B4 (de) | 2003-11-19 | 2005-11-24 | Daimlerchrysler Ag | Leichtbauventil |
US7240895B2 (en) | 2004-03-03 | 2007-07-10 | Mahle Ventiltrieb Gmbh | Gas exchange valve for an internal combustion engine |
US20060118177A1 (en) * | 2004-12-07 | 2006-06-08 | Ucman Robert C | Coated valve and method of making same |
DE102005005041A1 (de) * | 2005-02-03 | 2006-08-10 | Märkisches Werk GmbH | Ventil zur Steuerung des Gasaustauschs, insbesondere bei Verbrennungsmotoren |
DE102005027130A1 (de) * | 2005-06-11 | 2006-12-14 | Mahle International Gmbh | Gaswechselventil eines Verbrennungsmotors |
DE102006049844A1 (de) * | 2006-10-20 | 2008-04-24 | Gkss-Forschungszentrum Geesthacht Gmbh | Verfahren zur Herstellung von Bauteilen für Verbrennungsmotoren oder Turbinen |
DE102006061127B4 (de) * | 2006-12-22 | 2016-07-14 | Mahle International Gmbh | Metallisches Leichtbauventil eines Verbrennungsmotors |
DE102006061128B4 (de) * | 2006-12-22 | 2015-06-11 | Mahle International Gmbh | Gaswechselventil eines Verbrennungsmotors |
DE102010051871A1 (de) | 2010-11-22 | 2012-05-24 | Märkisches Werk GmbH | Verfahren zur Herstellung von Ventilen für den Gasaustausch und nach einem derartigen Verfahren hergestellte Ventile |
DE102012209187A1 (de) | 2011-06-08 | 2012-12-13 | Mahle International Gmbh | Verfahren zum Herstellen eines metallischen Hohlventils mit verbesserter Kühlung |
DE102011077198A1 (de) | 2011-06-08 | 2012-12-13 | Mahle International Gmbh | Verfahren zum Herstellen eines metallischen Hohlventils mit verbesserter Kühlung |
DE102013203443A1 (de) * | 2013-02-28 | 2014-08-28 | Mahle International Gmbh | Metallisches Hohlventil |
DE102013203441A1 (de) | 2013-02-28 | 2014-08-28 | Bayerische Motoren Werke Aktiengesellschaft | Betriebsverfahren für ein einachsiges Wankstabilisierungssystem eines zweiachsigen, zweispurigen Fahrzeugs |
DE102013210899A1 (de) | 2013-06-11 | 2014-12-11 | Mahle International Gmbh | Verfahren zur Herstellung eines gebauten Hohlventils |
DE102013210900A1 (de) * | 2013-06-11 | 2014-12-11 | Mahle International Gmbh | Gaswechselventil einer Brennkraftmaschine |
DE102013216188A1 (de) * | 2013-08-14 | 2015-03-12 | Mahle International Gmbh | Leichtmetalleinlassventil |
JP6653050B1 (ja) * | 2018-03-20 | 2020-02-26 | 日鍛バルブ株式会社 | 排気用中空ポペットバルブ |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1294416A (en) | 1918-01-02 | 1919-02-18 | Pfanstiehl Company Inc | Valve and method of making the same. |
US1506900A (en) * | 1922-06-29 | 1924-09-02 | Greiner Adolph | Valve |
US2371548A (en) | 1943-12-06 | 1945-03-13 | Thomas F Saffady | Valve |
US2398514A (en) * | 1944-10-14 | 1946-04-16 | Wilhelm B Bronander | Internal-combustion engine |
US2439240A (en) | 1945-01-18 | 1948-04-06 | Thompson Prod Inc | Braced head dome valve |
DE910492C (de) * | 1951-10-03 | 1954-05-03 | Wilhelm Schmidt | Hohles Tellerventil |
US2731708A (en) | 1952-10-31 | 1956-01-24 | Teves Kg Alfred | Process for manufacture of hollow poppet valves especially for internal-combustion engines |
DE1960331A1 (de) | 1969-12-02 | 1971-06-03 | Porsche Kg | Kegelventil,insbesondere fuer Brennkraftmaschinen |
EP0091097A1 (de) | 1982-04-05 | 1983-10-12 | Nissan Motor Co., Ltd. | Brennkraftmaschinenventil und Verfahrensweise |
DE3625590A1 (de) | 1986-07-29 | 1988-02-04 | Odilo Schwaiger | Ventile fuer brennkraftmaschinen |
US4834036A (en) | 1987-06-25 | 1989-05-30 | Kawasaki Jukogyo Kabushiki Kaisha | Composite valve for reciprocating engines and method for manufacturing the same |
US5771852A (en) * | 1997-03-04 | 1998-06-30 | Trw Inc. | Poppet valve with embossed neck structure |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734008A (en) * | 1956-02-07 | Method of making heat treating and hardening valves | ||
US1557022A (en) * | 1922-11-03 | 1925-10-13 | Aeromarine Plane & Motor Compa | Valve and method of making same |
US1727621A (en) * | 1928-02-18 | 1929-09-10 | Gen Motors Corp | Exhaust valve |
DE762642C (de) * | 1942-08-21 | 1954-08-02 | Daimler Benz Ag | Auslassventil fuer Brennkraftmaschinen, insbesondere Flugmotoren |
DE3233392A1 (de) * | 1982-08-31 | 1984-03-01 | Gebrüder Sulzer AG, 8401 Winterthur | Tellerventil fuer ein gaswechselventil |
JPS60169611A (ja) | 1984-02-14 | 1985-09-03 | Mitsubishi Heavy Ind Ltd | 内燃機関の排気弁 |
DE3625560A1 (de) | 1986-07-29 | 1988-02-04 | Siemens Ag | Gaslaser |
-
1998
- 1998-02-03 DE DE19804053A patent/DE19804053A1/de not_active Ceased
-
1999
- 1999-01-28 EP EP99908830A patent/EP1053388B1/de not_active Expired - Lifetime
- 1999-01-28 US US09/601,497 patent/US6354258B1/en not_active Expired - Fee Related
- 1999-01-28 BR BR9908554-2A patent/BR9908554A/pt not_active IP Right Cessation
- 1999-01-28 DE DE59908022T patent/DE59908022D1/de not_active Expired - Lifetime
- 1999-01-28 EP EP03014001A patent/EP1359292A1/de not_active Withdrawn
- 1999-01-28 JP JP2000530689A patent/JP4282900B2/ja not_active Expired - Fee Related
- 1999-01-28 WO PCT/EP1999/000561 patent/WO1999040295A1/de active IP Right Grant
- 1999-02-03 AR ARP990100450A patent/AR018055A1/es unknown
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1294416A (en) | 1918-01-02 | 1919-02-18 | Pfanstiehl Company Inc | Valve and method of making the same. |
US1506900A (en) * | 1922-06-29 | 1924-09-02 | Greiner Adolph | Valve |
US2371548A (en) | 1943-12-06 | 1945-03-13 | Thomas F Saffady | Valve |
US2398514A (en) * | 1944-10-14 | 1946-04-16 | Wilhelm B Bronander | Internal-combustion engine |
US2439240A (en) | 1945-01-18 | 1948-04-06 | Thompson Prod Inc | Braced head dome valve |
DE910492C (de) * | 1951-10-03 | 1954-05-03 | Wilhelm Schmidt | Hohles Tellerventil |
US2731708A (en) | 1952-10-31 | 1956-01-24 | Teves Kg Alfred | Process for manufacture of hollow poppet valves especially for internal-combustion engines |
DE1960331A1 (de) | 1969-12-02 | 1971-06-03 | Porsche Kg | Kegelventil,insbesondere fuer Brennkraftmaschinen |
EP0091097A1 (de) | 1982-04-05 | 1983-10-12 | Nissan Motor Co., Ltd. | Brennkraftmaschinenventil und Verfahrensweise |
DE3625590A1 (de) | 1986-07-29 | 1988-02-04 | Odilo Schwaiger | Ventile fuer brennkraftmaschinen |
US4834036A (en) | 1987-06-25 | 1989-05-30 | Kawasaki Jukogyo Kabushiki Kaisha | Composite valve for reciprocating engines and method for manufacturing the same |
US5771852A (en) * | 1997-03-04 | 1998-06-30 | Trw Inc. | Poppet valve with embossed neck structure |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10257505B4 (de) * | 2001-12-27 | 2004-07-15 | Mahle Ventiltrieb Gmbh | Gaswechselventil eines Verbrennungsmotors |
JP2007526419A (ja) * | 2004-03-03 | 2007-09-13 | マーレ ヴェンティルトリープ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 内燃機関のガス交換弁 |
JP4708413B2 (ja) * | 2004-03-03 | 2011-06-22 | マーレ ヴェンティルトリープ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 内燃機関のガス交換弁 |
Also Published As
Publication number | Publication date |
---|---|
JP4282900B2 (ja) | 2009-06-24 |
EP1359292A1 (de) | 2003-11-05 |
JP2002502928A (ja) | 2002-01-29 |
AR018055A1 (es) | 2001-10-31 |
EP1053388A1 (de) | 2000-11-22 |
DE19804053A1 (de) | 1999-08-05 |
DE59908022D1 (de) | 2004-01-22 |
US6354258B1 (en) | 2002-03-12 |
BR9908554A (pt) | 2001-10-30 |
EP1053388B1 (de) | 2003-12-10 |
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