• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An insulated fuel injection device, particularly for diesel engines, is provided for maintaining the nozzle spray hole temperature at a reduced level during engine operation whereby coking at the nozzle hole is prevented. The device comprises an elongated injection nozzle having a spray hole at one end thereof and an elongated hood covering the nozzle. The hood has a spray orifice therein which is aligned with the nozzle spray hole when the device is assembled. The interior dimensions of the hood and the corresponding exterior dimensions of the nozzle are such that a generally annular gap is presented between the hood and the nozzle, at least in the vicinity of the hole, and a quantity of heat insulating material is disposed in the gap adjacent the nozzle spray hole and the hood aperature.
    公开号:SU1039449A3
    申请号:SU813223403
    申请日:1981-01-04
    公开日:1983-08-30
    发明作者:Кюппер Хайнц；Буш Хельмут
    申请人:Клекнер-Хумбольдт-Дойтц Аг (Фирма)；
    IPC主号:
    专利说明:

    FIELD: engine building. A device for heat protection of a nozzle channel of an injector nozzle of an internal combustion engine is known. with heat-shielding material The disadvantage of this arrangement and the method of its manufacture is the low efficiency of the thermal protection of the nozzle channel of the atomizer. The purpose of the invention is to increase efficiency. This goal is achieved by the fact that in the device for thermal protection of the nozzle channel of the nozzle of an internal combustion engine engine, comprising a casing fixed to the atomizer with a circular gap, and located in the latter heat-shielding material, the casing is made with a bottom part covering the nozzle of the nozzle with a gap provided with a hole for the passage of fuel, the axis of which is located along the axis of the nozzle channel a. In this case, the casing is made of stainless steel and in the zone of the nozzle channel is made with a wall thickness of 0.4-2 mm. The casing is fixed to the nozzle using glue. Circular gap, made of thickness O, 2-1.00 mm. The hole for the passage of fuel in KozhiKhe made larger diameter than the nozzle channel. Heat protection material is made with high soot retention. According to the method of manufacturing a device for heat protection of a nozzle channel of a nozzle of an internal combustion engine by installing a spray housing with a heat protection material on the spray gun, a fluid and a hardenable material used to heat the protective material is used. . whereupon the casing is put on the nozzle atomizer, fixed on it, held until the heat-shielding material hardens, and the nozzle channel and the hole in the casing are cleaned. i FIG. shows a device with a nozzle channel having a single nozzle channel; figure 2 - the device with the form, having a dispenser with two nozzle channels, cross-section. The device contains a casing 1, fixed on the sprayer 2 with a circular gap 3, and located in the latter heat-shielding material. The casing 1 is made with the bottom part 4, covering the toe 5 of the spray gun 2 with a gap to accommodate heat-shielding material and provided with a hole .6 for the passage of fuel, the axis of which is located along the axis of the nozzle channel 7 of the spray gun 2. The spray needle 2 from high-alloyed steel and in the zone of the nozzle channel 7, it was cut out with a wall thickness of 0.42 mm. The casing 1 is fixed on the nozzle using glue, and the circular gap 3 is made with a thickness of 0.2-1 mm. The hole b in the casing 1 is made of a larger diameter than the nozzle channel 7, and the heat-shielding material is made with a high content of soot. The device is manufactured as follows. A casing 1 with a heat-shielding material is installed on the sprayer 2, while a flowable and hardenable material is used as the heat-shielding material, which is filled into the casing 1, after which the casing 1 is put on the sprayer 2 of the nozzles, fixed on it of the material and the milling nozzle channel 7 and the opening b in the casing 1. Thus, the proposed device and method of its manufacture increase the efficiency of thermal protection of the nozzle channel of the nozzle tor of the internal combustion engine.
    权利要求:
    Claims (7)
    [1]
    1. A device for thermal protection of the nozzle channel of the atomizer nozzle of an internal combustion engine, comprising a casing fixed to the atomizer with a circular gap, and located in the latter heat-shielding material, characterized in that, in order to increase efficiency, the casing is made with a bottom part, covering the toe of the atomizer with a gap for accommodating heat-shielding material and equipped with a hole for the passage of fuel, the axis of which is located on the axis of the nozzle channel.
    [2]
    2. The device according to claim 1, characterized in that the casing is made of high alloy steel and in the area of the nozzle channel is made with a wall thickness of 0.4-2 mm.
    [3]
    3. The device according to paragraphs. 1 and 2, characterized in that the casing is fixed to the nozzle with glue.
    [4]
    4. The device according to claims 1 to 3, wherein the circular gap is made with a thickness of 0.2-1.0 mm.
    at
    [5]
    5. The device according to paragraphs. 1-4, characterized in that the hole for the passage of fuel in the casing is made of a larger diameter than the nozzle channel.
    [6]
    6. The device according to paragraphs. 1-5, characterized in that the heat-protective g material is made with a high “soot content”.
    [7]
    7. A method of manufacturing a device for thermal protection of the nozzle channel of a nozzle of an atomizer of an internal combustion engine by installing a casing with a heat-shielding material on the nozzle, characterized in that, in order to simplify the technology, liquid-flowing and special-purpose hardening material is used, which 'fill the casing, after which the casing is put on the nozzle atomizer, fix it on it, stand until the heat-shielding material has hardened and cleaned; the nozzle channel and the hole in the casing e.
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1039449A3|1983-08-30|Device for thermal protection of nozzle passage of fuel injection nozzle atomizer in internal combustion engine and method for making the same
    MX171502B|1993-11-03|, "METHOD TO SUPPLY FUEL TO AN INTERNAL COMBUSTION ENGINE AND THE SAME ENGINE TO CARRY OUT SUCH METHOD
    JPS56146054A|1981-11-13|Fuel injection nozzle for internal combustion engine
    DE3378161D1|1988-11-10|Apparatus for injecting fuel into the combustion chambers of internal-combustion engines of the self-igniting kind
    JPS6172869A|1986-04-14|Electrically controlled pump nozzle for injecting fuel for diesel internal combustion engine
    FR2479342B1|1985-10-11|ANTI-CARBONIZATION FUEL INJECTOR FOR THE COMBUSTION CHAMBER OF A GAS TURBINE
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    SE8206256D0|1982-11-03|AIR COMPRESSOR, DIRECT INJECTION COMBUSTION ENGINE
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    US2412821A|1946-12-17|Internal-combustion engine
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    JPS56165761A|1981-12-19|Fuel injection nozzle for internal combustion engine
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    US4029982A|1977-06-14|Plug for internal combustion engine for limiting production of nitrogen oxide
    JPS5872672A|1983-04-30|Fuel injection nozzle for internal combustion engine
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    JPS58106164A|1983-06-24|Fuel injection nozzle for internal combustion engine
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    IT9047981D0|1990-05-18|DEVICE FOR DETERMINING THE TEMPORAL PERFORMANCE OF THE QUALITY OF FUEL EMITTED BY A FUEL SPRAY NOZZLE OF AN INTERNAL COMBUSTION COMBUSTION AIR INJECTION ENGINE.
    JPS5738654A|1982-03-03|Suction air heater for internal combustion engine
    同族专利:
    公开号 | 公开日
    US4502196A|1985-03-05|
    BR8100661A|1981-08-18|
    GB2069045B|1984-07-11|
    AR221996A1|1981-03-31|
    DE3004033A1|1981-08-13|
    JPS56124624A|1981-09-30|
    GB2069045A|1981-08-19|
    ZA81568B|1982-03-31|
    JPS6154946B2|1986-11-25|
    DE3004033C2|1986-04-10|
    FR2475142A1|1981-08-07|
    US4434940A|1984-03-06|
    FR2475142B1|1986-05-09|
    引用文献:
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    GB419265A|1934-03-31|1934-11-08|Saurer Ag Adolph|Improvements in and relating to fuel injection devices of internal combustion engines|
    US2068678A|1935-02-09|1937-01-26|Raymond H Hoadley|Injection valve tip|
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    DE711939C|1938-01-12|1941-10-09|Saurer Ag Adolph|Nozzle arrangement in injection internal combustion engines|
    FR987915A|1943-03-19|1951-08-21|Multi-hole centrifugal injector|
    FR1053609A|1951-04-24|1954-02-03|Saurer Ag Adolph|Injection nozzle for diesel engines|
    FR1089892A|1952-12-30|1955-03-22|Friedmann & Maier Ag|Injection nozzle for internal combustion engines|
    NL120736C|1963-05-07|
    DE1264160B|1966-12-15|1968-03-21|Boelkow Gmbh|Liquid-cooled components such as rocket combustion chambers and processes for their manufacture|
    DE1815260A1|1968-12-18|1970-07-09|Bosch Gmbh Robert|Fuel injector|
    US3692637A|1969-11-24|1972-09-19|Carl Helmut Dederra|Method of fabricating a hollow structure having cooling channels|
    DE2557772A1|1975-12-20|1977-06-23|Kloeckner Humboldt Deutz Ag|FUEL INJECTION VALVE|
    DE2609294A1|1976-03-06|1977-09-15|Bosch Gmbh Robert|PROCEDURE FOR FASTENING A GLOW PLUG IN THE HOUSING OF A GLOW PLUG FOR COMBUSTION MACHINERY|DE3113466A1|1981-04-03|1982-10-14|Klöckner-Humboldt-Deutz AG, 5000 Köln|Method for fixing a cap on a nozzle body|
    IT1152184B|1982-05-17|1986-12-31|Alfa Romeo Auto Spa|PROTECTIVE SHEATH FOR A PETROL INJECTOR|
    US4639568A|1984-07-13|1987-01-27|Ex-Cell-O Corporation|Apparatus and method for finishing fuel injector spray tips using EDM|
    US4817873A|1985-11-13|1989-04-04|Orbital Engine Company Proprietary Limited|Nozzles for in-cylinder fuel injection systems|
    GB2182978B|1985-11-13|1989-10-04|Orbital Eng Pty|Improvements relating to nozzles for in-cylinder fuel injection systems|
    US4715103A|1986-08-04|1987-12-29|Caterpillar Inc.|Method of producing interference connection between a fluid line and a fluid injector|
    JPH0524591Y2|1986-12-05|1993-06-22|
    US4938193A|1987-06-15|1990-07-03|Stanadyne Automotive Corp.|Fuel injection nozzle|
    US4790055A|1987-06-15|1988-12-13|Stanadyne, Inc.|Method of assembling a fuel nozzle assembly|
    WO1989004920A1|1987-11-25|1989-06-01|Gas Outboards International Pty. Ltd.|Fuel injector|
    US4897907A|1989-03-31|1990-02-06|Stanadyne Automotive Corp.|Process for manufacturing nozzle tip|
    CH679587A5|1989-08-25|1992-03-13|Rieter Ag Maschf|
    US5301877A|1992-03-26|1994-04-12|R L Corporation|Lawn and garden sprayer with press-fit nozzle construction|
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    JP3478920B2|1996-02-14|2003-12-15|株式会社日立製作所|In-cylinder fuel injection device and internal combustion engine equipped with the same|
    JP3228497B2|1996-03-27|2001-11-12|株式会社豊田中央研究所|Fuel injection valve deposit reduction method and deposit reduction type fuel injection valve|
    NL1003980C2|1996-09-06|1998-03-13|Vialle Beheer B V|Injection device.|
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    DE19838748B4|1998-08-26|2008-06-19|Daimler Ag|On the combustion chamber of an internal combustion engine injecting fuel injection nozzle|
    AUPQ671500A0|2000-04-05|2000-05-04|Orbital Engine CompanyProprietary Limited|Fuel injector nozzles|
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    JP2002130087A|2000-10-23|2002-05-09|Toyota Motor Corp|Fuel injection valve for cylinder injection type internal combustion engine|
    US6764028B2|2001-04-04|2004-07-20|Synerject, Llc|Fuel injector nozzles|
    DE10142300A1|2001-08-29|2003-03-20|Bosch Gmbh Robert|Fuel injection valve, for an IC motor, has a flame protection capsule to shroud the fuel injection openings against the cylinder combustion zone to prevent a build-up of carbon deposits|
    EP1561919B1|2004-02-05|2007-03-14|Haldor Topsoe A/S|Injection nozzle andmethod for uniformly injecting a fluid stream into a gas stream at elevated temperature by means of an injection nozzle|
    FR2878581B1|2004-11-29|2009-05-29|Renault Sas|METHOD FOR ASSEMBLING AN INJECTOR AND MOTOR PART COMPRISING AN INJECTOR|
    GB2423353A|2005-02-19|2006-08-23|Siemens Ind Turbomachinery Ltd|A Fuel Injector Cooling Arrangement|
    FR2892452A1|2005-10-26|2007-04-27|Peugeot Citroen Automobiles Sa|Combustion chamber for e.g. diesel engine, is defined by cylinder head comprising passage in which injector is housed, where injector has head and nose in between which shield provided with openings relative to injector holes, is disposed|
    US20070264435A1|2006-05-10|2007-11-15|Kenrick Venett|Material processing system through an injection nozzle|
    US7984550B2|2006-10-30|2011-07-26|Caterpillar Inc.|Fuel injector remanufacturing method and remanufactured fuel injector|
    US20080295806A1|2007-06-04|2008-12-04|Caterpillar Inc.|Heat conducting sleeve for a fuel injector|
    US20100186392A1|2008-09-30|2010-07-29|Doug Cartwright|Urea injector nozzle|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3004033A|DE3004033C2|1980-02-05|1980-02-05|Thermally insulated fuel injection nozzle for internal combustion engines and method for producing such an injection nozzle|
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