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    • 9. 发明申请
    • Fuel Injector And Method Of Making Same
    • 燃油喷射器及其制作方法
    • US20150021417A1
    • 2015-01-22
    • US14333551
    • 2014-07-17
    • Ford Global Technologies, LLC
    • Robert UkropecOliver BerkemeierClemens Maria Verpoort
    • F02M61/16
    • F02M61/166C23C24/082C23C28/04C23C28/042C25D11/026C25D11/04C25D11/24C25D11/26F02M1/18F02M61/06F02M61/16F02M61/168F02M2200/9038Y10S239/19
    • The invention relates to a fuel injector (1) for an internal combustion engine. The fuel injector (1) is comprised of an injector body (5) with an injector tip (6). The injector tip (6) is used for the injection of fuel into the combustion chamber (4) of the internal combustion engine. For this reason, the injector tip (6) is designed so as to be at least partially extended into the combustion chamber (4). If the injector tip (6) is designed to be flush with the surface of the combustion chamber (4), the injector tip (6) is arranged so that it directly faces toward the combustion chamber (4). Furthermore, the injector tip (6) is at least partially coated with a first oxide layer (9). According to the invention, a catalytic second oxide coating (10) composed of cerium oxide (CeO2), praseodymium oxide (PrO2), zirconium oxide (ZrO2), or any bi-component combination thereof is applied on top of the first oxide coating (9). The present invention also discloses a method of producing a fuel injector (1) which is at least partially coated with a first oxide coating (9) and a second oxide coating (10) applied over the first oxide coating (9), where the second oxide coating (10) is composed of at least one or more compounds from the group comprising cerium oxide (CeO2), praseodymium oxide (PrO2), or zirconium oxide (ZrO2) and is applied as a washcoat.
    • 本发明涉及一种用于内燃机的燃料喷射器(1)。 燃料喷射器(1)由具有喷射器尖端(6)的喷射器主体(5)组成。 喷射头(6)用于将燃料喷射到内燃机的燃烧室(4)中。 因此,喷射头(6)被设计成至少部分地延伸到燃烧室(4)中。 如果喷射头(6)被设计成与燃烧室(4)的表面齐平,则喷射头(6)被布置成使其直接朝向燃烧室(4)。 此外,喷射头(6)至少部分涂覆有第一氧化物层(9)。 根据本发明,将由氧化铈(CeO 2),氧化镨(PrO 2),氧化锆(ZrO 2)或其任何双组分组合构成的催化二氧化物涂层(10)施加在第一氧化物涂层 9)。 本发明还公开了一种生产燃料喷射器(1)的方法,所述燃料喷射器(1)至少部分地涂覆有涂覆在第一氧化物涂层(9)上的第一氧化物涂层(9)和第二氧化物涂层(10),其中第二氧化物涂层 氧化物涂层(10)由至少一种或多种包含氧化铈(CeO 2),氧化镨(PrO 2)或氧化锆(ZrO 2)的化合物组成,并且作为修补基面涂层使用。