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公开(公告)号：US06227157B1
公开(公告)日：2001-05-08
申请号：US09309102
申请日：1999-05-10
申请人： Kenneth A. Baumgartner , Michael A. Caruthers , Christopher F. Gallmeyer , Robert L. Miller , Kenneth J. Suda
发明人： Kenneth A. Baumgartner , Michael A. Caruthers , Christopher F. Gallmeyer , Robert L. Miller , Kenneth J. Suda
IPC分类号： F02B900
CPC分类号： F02P19/025 , F02B9/00 , F02D2041/2027 , F02D2200/0414 , F02P19/023 , F02P19/027
摘要： An AC glow plug system is provided that includes a static converter for DC to AC conversion. Control techniques include varying the converter duty cycle according to glow plug temperature and other parameters such as engine air or coolant temperatures for smooth running as well as for prolonging glow plug life. Control is also varied according to fuel system characteristics and fuel composition.
摘要翻译： 提供了一种AC电热塞系统，其包括用于DC到AC转换的静态转换器。 控制技术包括根据电热塞温度和其他参数（如发动机空气或冷却液温度）来改变转换器占空比，以实现平稳运行以及延长电热塞寿命。 控制也根据燃油系统特性和燃油组成而变化。
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公开(公告)号：US6076493A
公开(公告)日：2000-06-20
申请号：US178985
申请日：1998-10-26
CPC分类号： F23Q7/001
摘要： A glow plug shield centrally receives a glow plug which, typically, has a silicon nitride surface. The shield and plug are spaced radially from a fuel injector disposed centrally of a cylinder head. The shield and glow plug extend into a combustion chamber where the shield has an oblique end exposing the circumferential portion of the plug which faces the injector. This shield configuration protects the glow plug from cooling by inlet air, increases the residence time of air/fuel mixture around the plug, and improves flame propagation so that plug temperature and electrical power can be reduced to extend glow plug life. The shield has a coating exteriorly and interiorly covering the portion of the shield extended into the combustion chamber. The coating is of thermally insulating, high temperature resistant ceramic material and acts as a thermal barrier to further reduce glow plug cooling. A combustion catalyst such as platinum or palladium may be incorporated into the coating to further reduce the required glow plug temperature and electrical power.
摘要翻译： 电热塞屏蔽中心地接收通常具有氮化硅表面的电热塞。 屏蔽和插头与设置在气缸盖中心的燃料喷射器径向间隔开。 屏蔽和电热塞延伸到燃烧室中，其中屏蔽件具有倾斜端部，暴露插头的面向喷射器的圆周部分。 该屏蔽配置保护电热塞免受入口空气的冷却，增加空气/燃料混合物在插头周围的停留时间，并改善火焰传播，从而可以降低插头温度和电功率，延长电热塞寿命。 屏蔽件具有外部和内部覆盖延伸到燃烧室中的屏蔽部分的涂层。 该涂层是隔热，耐高温陶瓷材料，并且作为热障，以进一步减少电热塞冷却。 可以将诸如铂或钯的燃烧催化剂并入涂层中，以进一步减少所需的电热塞温度和电功率。
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公开(公告)号：US5676100A
公开(公告)日：1997-10-14
申请号：US706203
申请日：1996-08-30
CPC分类号： F23Q7/001
摘要： A glow plug assembly having a shield integrally connected to a housing is disposed in and retained in a bore in a cylinder head by a clamp connected to the cylinder head. A stop surface connected to said housing is engageable with the cylinder head and establishes the location of a heating element second end in the combustion chamber. The clamp maintains the stop against the head and the orientation of the shield angled second end relative to the combustion chamber. The heating element is connected to the housing by a spacer and the housing is sealed with a filler material which blocks the transfer of fluid through the housing. The filler material maintains the housing from passing fluid between the first and second housing ends, minimizes the vibration of the electrical conductors and conducts the heat out of the glow plug.
摘要翻译： 具有一体地连接到壳体的屏蔽件的电热塞组件通过连接到气缸盖的夹具设置并保持在气缸盖中的孔中。 连接到所述壳体的止动表面可与气缸盖接合并且确定燃烧室中的加热元件第二端的位置。 夹具将挡块保持抵靠头部，并且防护罩的方向相对于燃烧室成角度的第二端。 加热元件通过间隔件连接到壳体，并且壳体用填充材料密封，阻塞流体通过壳体的传递。 填充材料使壳体保持在第一和第二壳体端部之间的流体流通中，使电导体的振动最小化，并将热量导出电热塞。
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公开(公告)号：US5499615A
公开(公告)日：1996-03-19
申请号：US331001
申请日：1994-10-28
CPC分类号： F02M21/0263 , F02B43/00 , F02D19/022 , F02M21/0212 , F02M21/0245 , F02M21/0254 , F02M21/0275 , F02M21/0287 , F02B1/04 , F02B2075/125 , F02B2275/14 , F02B3/06 , Y02T10/123 , Y02T10/32
摘要： A liquid propane injection system for a diesel engine includes a liquid propane fuel tank, a pump, a heat exchanger, a reservoir, and an injector. The pump receives liquid propane from the liquid propane fuel tank, and increases the pressure of the received liquid propane to a level suitable for use by the diesel engine. The heat exchanger receives liquid propane from the pump, and vaporizes the liquid propane. The reservoir stores vaporized liquid propane received from the heat exchanger, and has sufficient storage capacity to compensate for any time lag between instantaneous engine fuel demand and the supply of liquid propane by the pump. The injector receives vaporized liquid propane from the reservoir, and injects the vaporized liquid propane into a combustion chamber of the diesel engine.
摘要翻译： 用于柴油发动机的液体丙烷喷射系统包括液体丙烷燃料箱，泵，热交换器，储存器和喷射器。 泵从液体丙烷燃料箱接收液态丙烷，并将接收到的液体丙烷的压力提高到适合于柴油发动机使用的水平。 热交换器从泵接收液态丙烷，并蒸发液态丙烷。 储存器存储从热交换器接收的蒸发的液体丙烷，并且具有足够的存储容量以补偿在瞬时发动机燃料需求和由泵供应液体丙烷之间的任何时间滞后。 喷射器从储存器接收蒸发的液体丙烷，并将蒸发的液体丙烷喷射到柴油发动机的燃烧室中。
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