RU2007138648A - GAS-EXCHANGE SYSTEM VALVE WITH ANTI-CORROSION COATING - Google Patents

GAS-EXCHANGE SYSTEM VALVE WITH ANTI-CORROSION COATING Download PDF

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Publication number
RU2007138648A
RU2007138648A RU2007138648/06A RU2007138648A RU2007138648A RU 2007138648 A RU2007138648 A RU 2007138648A RU 2007138648/06 A RU2007138648/06 A RU 2007138648/06A RU 2007138648 A RU2007138648 A RU 2007138648A RU 2007138648 A RU2007138648 A RU 2007138648A
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RU
Russia
Prior art keywords
valve
valve stem
layer
stem
exchange system
Prior art date
Application number
RU2007138648/06A
Other languages
Russian (ru)
Inventor
Аня ХОЛЬСТ (DE)
Аня ХОЛЬСТ
Original Assignee
Ман Дизель Се (De)
Ман Дизель Се
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 Ман Дизель Се (De), Ман Дизель Се filed Critical Ман Дизель Се (De)
Publication of RU2007138648A publication Critical patent/RU2007138648A/en

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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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/32—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for rotating lift valves, e.g. to diminish wear
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces
    • 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
    • F01L3/06—Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Lift Valve (AREA)

Abstract

1. Клапан системы газообмена двигателя внутреннего сгорания, содержащий шток (1), выполненный, по существу, в виде стержня (2) клапана, переходящего в клапанную тарелку (4) с образованием галтели (11), при этом шток (1) клапана или, по меньшей мере, стержень (2) клапана выполнен вплоть до участка галтели (11) из типичной клапанной стали на основе образующего нитриды основного сплава, отличающийся тем, что шток (1) клапана, по меньшей мере, на отдельных участках имеет антикоррозионное покрытие (8) в виде состоящего из нитридов или карбонитридов слоя, причем антикоррозионное покрытие (8) получают путем преобразования образующего нитриды основного сплава ионным азотированием или ионным карбоазотированием в атмосфере азота. ! 2. Клапан системы газообмена по п.1, отличающийся тем, что при цельном выполнении весь шток (1) клапана содержит азотированное покрытие (8) до армированного участка седла для клапанной тарелки (4), а также до дна тарелки и торцевой стороны стержня клапана. ! 3. Клапан системы газообмена по п.1, отличающийся тем, что при разъемном выполнении стержень (2) клапана, по меньшей мере, на своих контактирующих с отработавшими газами наружных поверхностях полностью снабжен азотированным слоем (8) до граничной поверхности (7), которой ограничивается сталь для горячей обработки, при этом клапанная тарелка (4) и при необходимости участок галтели (11) не содержат азотированный слой (8). ! 4. Клапан по одному из пп.1-3, отличающийся тем, что азотированный слой (8) содержит диффузионный слой (9) толщиной (глубиной азотирования) 0,1-0,3 мм и расположенный на нем соединительный слой (10) толщиной 3-15 мкм, при этом твердость поверхности превышает 750 HV.1. A valve of the gas exchange system of an internal combustion engine, containing a stem (1), made essentially in the form of a valve stem (2), passing into the valve plate (4) with the formation of a fillet (11), while the valve stem (1) or , at least the valve stem (2) is made up to the fillet area (11) of a typical valve steel based on a nitride-forming base alloy, characterized in that the valve stem (1), at least in some areas, has an anti-corrosion coating ( 8) in the form of a layer consisting of nitrides or carbonitrides, and the anticorrosive coating (8) is obtained by converting the nitride-forming base alloy by ion nitriding or ionic carbonitriding in a nitrogen atmosphere. ! 2. The valve of the gas exchange system according to claim 1, characterized in that, in one-piece design, the entire valve stem (1) contains a nitrided coating (8) up to the reinforced section of the seat for the valve disc (4), as well as to the bottom of the disc and the end side of the valve stem ... ! 3. The valve of the gas exchange system according to claim 1, characterized in that in the case of a detachable design, the valve stem (2), at least on its outer surfaces contacting with the exhaust gases, is completely equipped with a nitrided layer (8) up to the boundary surface (7), which limited steel for hot working, while the valve plate (4) and, if necessary, the fillet section (11) does not contain a nitrided layer (8). ! 4. Valve according to one of claims 1 to 3, characterized in that the nitrided layer (8) contains a diffusion layer (9) with a thickness (nitriding depth) of 0.1-0.3 mm and a connecting layer (10) located on it with a thickness 3-15 microns, while the surface hardness exceeds 750 HV.

Claims (4)

1. Клапан системы газообмена двигателя внутреннего сгорания, содержащий шток (1), выполненный, по существу, в виде стержня (2) клапана, переходящего в клапанную тарелку (4) с образованием галтели (11), при этом шток (1) клапана или, по меньшей мере, стержень (2) клапана выполнен вплоть до участка галтели (11) из типичной клапанной стали на основе образующего нитриды основного сплава, отличающийся тем, что шток (1) клапана, по меньшей мере, на отдельных участках имеет антикоррозионное покрытие (8) в виде состоящего из нитридов или карбонитридов слоя, причем антикоррозионное покрытие (8) получают путем преобразования образующего нитриды основного сплава ионным азотированием или ионным карбоазотированием в атмосфере азота.1. The valve of the gas exchange system of an internal combustion engine, comprising a stem (1), made essentially in the form of a valve stem (2) passing into the valve plate (4) with the formation of a fillet (11), while the valve stem (1) or at least the valve stem (2) is made up to the fillet portion (11) of a typical valve steel based on the base alloy forming nitrides, characterized in that the valve stem (1), at least in some areas, has an anti-corrosion coating ( 8) in the form of a layer consisting of nitrides or carbonitrides, comb anticorrosion coating (8) is prepared by converting the nitride-forming base alloy by ion nitriding or ion karboazotirovaniem under a nitrogen atmosphere. 2. Клапан системы газообмена по п.1, отличающийся тем, что при цельном выполнении весь шток (1) клапана содержит азотированное покрытие (8) до армированного участка седла для клапанной тарелки (4), а также до дна тарелки и торцевой стороны стержня клапана.2. The valve of the gas exchange system according to claim 1, characterized in that, when fully implemented, the entire valve stem (1) contains a nitrided coating (8) to the reinforced portion of the seat for the valve disc (4), as well as to the bottom of the disc and the end face of the valve stem . 3. Клапан системы газообмена по п.1, отличающийся тем, что при разъемном выполнении стержень (2) клапана, по меньшей мере, на своих контактирующих с отработавшими газами наружных поверхностях полностью снабжен азотированным слоем (8) до граничной поверхности (7), которой ограничивается сталь для горячей обработки, при этом клапанная тарелка (4) и при необходимости участок галтели (11) не содержат азотированный слой (8).3. The valve of the gas exchange system according to claim 1, characterized in that when the valve stem (2) is detachable, at least on its outer surfaces in contact with the exhaust gases it is completely provided with a nitrided layer (8) to the boundary surface (7), which steel for hot working is limited, while the valve plate (4) and, if necessary, the fillet section (11) do not contain a nitrided layer (8). 4. Клапан по одному из пп.1-3, отличающийся тем, что азотированный слой (8) содержит диффузионный слой (9) толщиной (глубиной азотирования) 0,1-0,3 мм и расположенный на нем соединительный слой (10) толщиной 3-15 мкм, при этом твердость поверхности превышает 750 HV.4. The valve according to one of claims 1 to 3, characterized in that the nitrided layer (8) contains a diffusion layer (9) with a thickness (nitriding depth) of 0.1-0.3 mm and a connecting layer (10) located on it 3-15 microns, while the surface hardness exceeds 750 HV.
RU2007138648/06A 2005-03-18 2006-03-14 GAS-EXCHANGE SYSTEM VALVE WITH ANTI-CORROSION COATING RU2007138648A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005013088A DE102005013088B4 (en) 2005-03-18 2005-03-18 Gas exchange valve with corrosion protection layer
DE102005013088.7 2005-03-18

Publications (1)

Publication Number Publication Date
RU2007138648A true RU2007138648A (en) 2009-04-27

Family

ID=36602668

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2007138648/06A RU2007138648A (en) 2005-03-18 2006-03-14 GAS-EXCHANGE SYSTEM VALVE WITH ANTI-CORROSION COATING

Country Status (10)

Country Link
US (1) US20080149062A1 (en)
EP (1) EP1864003A1 (en)
JP (1) JP2008533372A (en)
KR (1) KR20070112287A (en)
CN (1) CN101142379A (en)
CA (1) CA2601053A1 (en)
DE (1) DE102005013088B4 (en)
NO (1) NO20075320L (en)
RU (1) RU2007138648A (en)
WO (1) WO2006097264A1 (en)

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JP4510126B2 (en) * 2008-05-13 2010-07-21 エムエーエヌ・ディーゼル・フィリアル・アフ・エムエーエヌ・ディーゼル・エスイー・ティスクランド Exhaust valves for large two-cycle diesel engines, processes for reducing NOx formation in such engines, and such engines
DE102008061237A1 (en) 2008-12-09 2010-06-10 Man Diesel Se Gas exchange valve and method for its production
CN101970811B (en) * 2009-01-23 2013-06-12 曼柴油机涡轮机欧洲股份公司曼柴油机涡轮机德国分公司 A movable wall member in form of an exhaust valve spindle or a piston for an internal combustion engine, and a method of manufacturing such a member
KR101274239B1 (en) * 2010-12-02 2013-06-11 기아자동차주식회사 Intake and exhaust valve for vehicle
DE102012202859A1 (en) 2012-02-24 2013-08-29 Mahle International Gmbh Valve system for charge exchange control
US9051910B2 (en) * 2013-01-31 2015-06-09 Caterpillar Inc. Valve assembly for fuel system and method
DE102013203443A1 (en) * 2013-02-28 2014-08-28 Mahle International Gmbh Metallic hollow valve
DE102013203441A1 (en) 2013-02-28 2014-08-28 Bayerische Motoren Werke Aktiengesellschaft Operating method for a single-axle roll stabilization system of a two-axle, two-lane vehicle
DE102013210900A1 (en) 2013-06-11 2014-12-11 Mahle International Gmbh Gas exchange valve of an internal combustion engine
CN103498711A (en) * 2013-10-21 2014-01-08 济南沃德汽车零部件有限公司 Air valve with alloy arranged on plate conical face in bead-weld mode and nitride layer reserved on alloy layer
KR102309162B1 (en) * 2017-05-17 2021-10-05 페데랄-모굴 밸브트레인 게엠베하 POPPET VALVE AND METHOD FOR PRODUCTION THEREOF
DE102019207536A1 (en) * 2019-05-23 2020-11-26 Mahle International Gmbh Gas exchange valve
CN114810270B (en) * 2022-04-07 2023-08-01 重庆乐瑞斯科技有限公司 Valve mechanism with self-adaptive lift adjustment function

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Also Published As

Publication number Publication date
US20080149062A1 (en) 2008-06-26
NO20075320L (en) 2007-12-13
CA2601053A1 (en) 2006-09-21
KR20070112287A (en) 2007-11-22
DE102005013088B4 (en) 2006-12-28
JP2008533372A (en) 2008-08-21
CN101142379A (en) 2008-03-12
DE102005013088A1 (en) 2006-09-21
EP1864003A1 (en) 2007-12-12
WO2006097264A1 (en) 2006-09-21

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Effective date: 20090604