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公开(公告)号：US4530324A
公开(公告)日：1985-07-23
申请号：US527775
申请日：1983-08-30
CPC分类号： F02M41/1405 , F02M41/1411 , F02M41/1416 , F02M59/08
摘要： A first plunger pump serves to inject fuel into the combustion chamber of an internal combustion engine during first periodical compression strokes as the crankshaft of the engine rotates. A second plunger pump serves to inject fuel into the combustion chamber during second periodical compression strokes as the crankshaft rotates. The maximum fuel injection quantity during each second compression stroke of the second plunger pump is smaller than that during each first compression stroke of the first plunger pump. A sensor detects load on the engine. A mechanism serves to advance the timing of the first compression strokes relative to that of the second compression strokes with respect to the rotational angle of the crankshaft as the detected engine load increases. The characteristic curve of the rate of the sum of the fuel injections effected by the first and second plunger pumps with respect to the rotational angle of the crankshaft can vary in accordance with the engine load.
摘要翻译： 当发动机的曲轴旋转时，第一柱塞泵用于在第一周期性压缩冲程期间将燃料喷射到内燃机的燃烧室中。 第二柱塞泵用于在曲轴旋转时的第二周期性压缩冲程期间将燃料喷射到燃烧室中。 第二柱塞泵的每个第二压缩冲程期间的最大燃料喷射量小于第一柱塞泵的每个第一压缩冲程期间的最大燃料喷射量。 传感器检测发动机的负载。 当检测到的发动机负载增加时，机构用于相对于曲轴的旋转角度使第一压缩冲程的定时相对于第二压缩冲程的定时提前。 由第一和第二柱塞泵相对于曲轴的旋转角度的燃料喷射之和的速率的特性曲线可以根据发动机负载而变化。
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公开(公告)号：US4557230A
公开(公告)日：1985-12-10
申请号：US689816
申请日：1985-01-08
CPC分类号： F02B19/18 , F02B19/08 , Y02T10/125
摘要： An interconnecting slot is formed between a main transfer port (heated by the passage of hot gases during an expansion phase) and an auxiliary transfer passage (cooled by the passage of non atomized fuel injected into the swirl chamber with which the main and auxiliary ports are associated) to prevent thermal stress damage which would otherwise be apt to occur.
摘要翻译： 在主传送端口（在膨胀阶段期间由热气体的通过加热）和辅助传送通道（通过喷射到主回流室中的非雾化燃料的通过而冷却） 相关联）以防止否则将容易发生的热应力损伤。
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公开(公告)号：US5319930A
公开(公告)日：1994-06-14
申请号：US6299
申请日：1993-01-19
CPC分类号： F02D41/029 , F01N3/027 , F01N3/032 , F01N9/002 , F01N2260/08 , F01N2410/00 , F01N2900/0422 , F02D2200/0812 , Y02T10/47
摘要： Parameters which are related to the rate at which particulate matter accumulates and is reburnt, are monitored and the time at which a regeneration is required and/or the length of time a regeneration should be induced, are derived based on the same. The temperature at the inlet and outlet of a trap in which particulate matter is accumulated are monitored and measures such as throttling the induction and exhaust are implement in addition to energizing a heater disposed immediately upstream of the trap as required in order to elevate the trap temperature and to induce and maintain the reburning during a trap regeneration. The pressure differential across the trap can be used to determine the amount of incombustible matter (ash) which has accumulated in the trap and to modify the regeneration timing. When the temperature of the exhaust gases cannot be raised sufficiently, a by-pass is opened to attenuate cooling of the trap by the low temperature gases.
摘要翻译： 监测与颗粒物质累积并重新反应的速率相关的参数，并且基于该参数，需要再生和/或诱导再生的时间长短的时间。 监测在其中积聚微粒物质的捕集阱的入口和出口处的温度，并且除了根据需要激励紧邻阱的上游的加热器之外，还实施诸如节流感应和排气的措施，以便提高捕集温度 并且在陷阱再生期间诱导和维持重燃。 捕集器两端的压力差可用于确定积聚在捕集器中的不可燃物质（灰分）的数量，并修改再生时间。 当废气的温度不能充分升高时，旁路被打开，以通过低温气体来减弱捕集器的冷却。
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公开(公告)号：US5067320A
公开(公告)日：1991-11-26
申请号：US467397
申请日：1990-01-22
申请人： Nobukazu Kanesaki
发明人： Nobukazu Kanesaki
CPC分类号： F01N3/025 , F01N13/009 , F01N3/2882 , F01N2250/02 , F01N2330/06 , F01N2610/03 , F01N2610/08
摘要： An exhaust particle removing system for an internal combustion engine includes two filters disposed within an exhaust passage in series for trapping particles suspended in exhaust gas. The system also includes combustion equipment which is disposed near the inlet of the upstream filter, and serves to burn off the particles deposited on the upstream filter. The downstream filter is coated with a catalyst. The downstream filter is arranged to be separate from the upstream filter by a predetermined distance so that the particles deposited on the downstream filter can be burned off by means of an elevated temperature of gas passing through the upstream filter. The length of each of the filters is essentially equal to or less than the diameter of the inlet of the respective filter.
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公开(公告)号：US5287698A
公开(公告)日：1994-02-22
申请号：US6283
申请日：1993-01-19
CPC分类号： F02D41/029 , F01N3/027 , F01N3/032 , F01N9/002 , F01N2260/08 , F01N2410/00 , F01N2900/0422 , F02D2200/0812 , Y02T10/47
摘要： Parameters which are related to the rate at which particulate matter accumulates and is reburnt, are monitored and the time at which a regeneration is required and/or the length of time a regeneration should be induced, are derived based on the same. The temperature at the inlet and outlet of a trap in which particulate matter is accumulated are monitored and measures such as throttling the induction and exhaust are implemented in addition to energizing a heater disposed immediately upstream of the trap as required in order to elevate the trap temperature and to induce and maintain the reburning during a trap regeneration.The pressure differential across the trap can be used to determine the amount of incombustible matter (ash) which has a accumulated in the trap and to modify the regeneration timing.When the temperature of the exhaust gases cannot be raised sufficiently, a by-pass is opened to attenuate cooling of the trap by the low temperature gases.
摘要翻译： 监测与颗粒物质累积并重新反应的速率相关的参数，并且基于该参数，需要再生和/或诱导再生的时间长短的时间。 监测在其中累积颗粒物质的捕集器的入口和出口处的温度，并且除了根据需要对紧邻阱的上游设置的加热器进行激励之外还实施诸如节流感应和排气的措施，以便提高捕集温度 并且在陷阱再生期间诱导和维持重燃。 捕集器两端的压差可用于确定积聚在捕集器中的不可燃物质（灰分）的数量，并修改再生时间。 当废气的温度不能充分升高时，旁路被打开，以通过低温气体来减弱捕集器的冷却。
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公开(公告)号：US5195316A
公开(公告)日：1993-03-23
申请号：US629700
申请日：1990-12-21
CPC分类号： F02D41/029 , F01N3/027 , F01N3/032 , F01N9/002 , F01N2260/08 , F01N2410/00 , F01N2900/0422 , F02D2200/0812 , Y02T10/47
摘要： Parameters which are related to the rate at which particulate matter accumulates and is reburnt, are monitored and the time at which a regeneration is required and/or the length of time a regeneration should be induced, are derived based on the same. The temperature at the inlet and outlet of a trap in which particulate matter is accumulated are monitored and measures such as throttling the induction and exhaust are implement in addition to energizing a heater disposed immediately upstream of the trap as required in order to elevate the trap temperature and to induce and maintain the reburning during a trap regeneration. The pressure differential across the trap can be used to determine the amount of incombustible matter (ash) which has accumulated in the trap and to modify the regeneration timing. When the temperature of the exhaust gases cannot be raised sufficiently, a by-pass is opened to attenuate cooling of the trap by the low temperature gases.
摘要翻译： 监测与颗粒物质累积并重新反应的速率相关的参数，并且基于该参数，需要再生和/或诱导再生的时间长短的时间。 监测在其中积聚微粒物质的捕集阱的入口和出口处的温度，并且除了根据需要激励紧邻阱的上游的加热器之外，还实施诸如节流感应和排气的措施，以便提高捕集温度 并且在陷阱再生期间诱导和维持重燃。 捕集器两端的压力差可用于确定积聚在捕集器中的不可燃物质（灰分）的数量，并修改再生时间。 当废气的温度不能充分升高时，旁路被打开，以通过低温气体来减弱捕集器的冷却。
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公开(公告)号：US4881369A
公开(公告)日：1989-11-21
申请号：US53741
申请日：1987-05-26
申请人： Nobukazu Kanesaki
发明人： Nobukazu Kanesaki
IPC分类号： F02D43/00 , F01N3/02 , F01N3/023 , F01N3/035 , F01N9/00 , F02D41/00 , F02D41/02 , F02D41/04 , F02D41/40 , F02D45/00
CPC分类号： F01N3/023 , F01N3/035 , F01N9/002 , F02D41/029 , F01N2510/06 , Y02T10/47
摘要： An exhaust gas purifying apparatus for use in an internal combustion engine into which fuel is injected at a proper timing. The apparatus includes a catalytic trap located in the engine exhaust system for collecting the exhaust particles discharged thereto from the engine and burning the collected exhaust particles under catalytic action. A control unit controls the fuel injection timing in accordance with engine operating condictions. The control unit retards the fuel injection timing when the engine exhaust gas temperature is in a predetermined range and the pressure differential across the catalytic trap exceeds a reference value.
摘要翻译： 一种用于内燃机的废气净化装置，其中燃料在适当的时间被喷射。 该装置包括位于发动机排气系统中的催化捕集器，用于收集从发动机排出的废气颗粒并在催化作用下燃烧收集的废气颗粒。 控制单元根据发动机工作条件控制燃料喷射正时。 当发动机排气温度处于预定范围并且催化阱上的压差超过参考值时，控制单元延迟燃料喷射正时。
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公开(公告)号：US5195318A
公开(公告)日：1993-03-23
申请号：US634850
申请日：1990-12-27
CPC分类号： F01N3/0235 , F01N3/023 , F01N3/032 , F01N9/002 , F02D41/029 , F01N2260/14 , Y02T10/47
摘要： Parameters which are related to the rate at which particulate matter accumulates and is reburnt, are monitored and the time at which a regeneration is required and/or the length of time a regeneration should be induced, are derived based on the same. The temperature at the inlet and outlet of a trap in which particulate matter is accumulated are monitored and measures such as throttling the induction and exhaust are implement in addition to energizing a heater disposed immediately upstream of the trap as required in order to elevate the trap temperature and to induce and maintain the reburning during a trap regeneration.
摘要翻译： 监测与颗粒物质累积并重新反应的速率相关的参数，并且基于该参数，需要再生和/或诱导再生的时间长短的时间。 监测在其中积聚微粒物质的捕集阱的入口和出口处的温度，并且除了根据需要激励紧邻阱的上游的加热器之外，还实施诸如节流感应和排气的措施，以便提高捕集温度 并且在陷阱再生期间诱导和维持重燃。
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公开(公告)号：US4887427A
公开(公告)日：1989-12-19
申请号：US227034
申请日：1988-09-02
IPC分类号： F01N3/02 , F01N3/023 , F01N3/025 , F01N3/035 , F01N9/00 , F01N13/02 , F01N13/04 , F01N13/10 , F02B3/06
CPC分类号： F01N3/035 , F01N13/009 , F01N13/011 , F01N13/10 , F01N3/023 , F01N3/025 , F01N9/002 , F01N2510/00 , F02B3/06 , Y02T10/47
摘要： A first filter is disposed in an engine exhaust passage. A second filter is disposed in the engine exhaust passage at a location downstream of the first filter. Thus, the first and second filters are connected in series with one another. The first and second filters are designed so that an amount of exhaust particles trapped by the first filter is greater than an amount of exhaust particles trapped by the second filter. A pressure across the series combination of the filters may be detected. The filters may be rejuvenated when the detected pressure across the series combination of the filters reaches a reference pressure.
摘要翻译： 第一过滤器设置在发动机排气通道中。 第二过滤器设置在第一过滤器下游位置处的发动机排气通道中。 因此，第一和第二滤波器彼此串联连接。 第一和第二过滤器被设计成使得被第一过滤器捕获的废气颗粒的量大于被第二过滤器捕获的废气颗粒的量。 可以检测过滤器的串联组合的压力。 当过滤器的串联组合上的检测压力达到参考压力时，可以使过滤器恢复活力。
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公开(公告)号：US4501140A
公开(公告)日：1985-02-26
申请号：US428221
申请日：1982-09-29
IPC分类号： G01F1/00 , F02B3/06 , F02D21/08 , F02D35/00 , F02D41/40 , F02M41/12 , F02M55/00 , F02M65/00 , G01F1/708 , G01F9/00 , F02M59/00
CPC分类号： G01F1/7088 , F02D41/408 , F02M41/126 , F02M55/00 , F02M65/005 , F02B3/06 , F02D41/0065 , F02M55/007 , Y02T10/44
摘要： A fuel injection rate deducing system for a diesel engine includes a fuel injection pump and a fuel feed pump. The injection pump has an inlet, an outlet, and an overflow outlet. The outlet is connected to the engine to conduct fuel from the injection pump to the engine to effect fuel injection. The overflow outlet is internally connected to the inlet. A fuel feed line is connected to the inlet to conduct fuel to the injection pump. The feed pump is disposed in the feed line to drive fuel into the injection pump via the feed line. A fuel return line connects the overflow outlet to the feed line at a position upstream of the feed pump. At least some of the fuel conducted to the injection pump via the inlet exits from the injection pump via the overflow outlet and then all enters the feed pump via the return line and the feed line. A flowmeter measures the rate of fuel flow through the feed line upstream of the connection of the return line to the feed line. The measured results are used to indicate the rate of fuel injection via the injection pump.
摘要翻译： 柴油发动机的燃料喷射率推算系统包括燃料喷射泵和燃料供给泵。 注射泵具有入口，出口和溢流出口。 出口连接到发动机以将燃料从喷射泵引导到发动机以实现燃料喷射。 溢流出口内部连接到入口。 燃料供给管线连接到入口以将燃料引导到注射泵。 进料泵设置在进料管线中，以通过进料管线将燃料驱动到喷射泵中。 燃料回流管线在供给泵的上游位置将溢流出口连接到进料管线。 经由入口传导到注射泵的至少一些燃料经由溢流出口从注射泵排出，然后经由返回管线和进料管线进入进料泵。 流量计测量通过返回管线连接到进料管线上游的进料管线的燃料流量。 测量结果用于指示通过喷射泵的燃油喷射速率。
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