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公开(公告)号：US4759330A
公开(公告)日：1988-07-26
申请号：US845254
申请日：1986-03-28
IPC分类号： F02M51/00 , F02D1/02 , F02D1/18 , F02D41/00 , F02D41/40 , F02M57/02 , F02M59/32 , F02M59/36 , F02M59/46 , F02M39/00
CPC分类号： F02D41/401 , F02M57/024 , F02M59/32 , F02M59/366 , F02M59/466 , Y02T10/44
摘要： The fuel in a compression pump chamber, defined by a compression plunger, is expelled by the compression plunger driven synchronously with the rotation of an engine. An injection plunger is driven by the expelled fuel, thus injecting fuel into an injection pump chamber defined by the injection plunger. A timing passage, closed by the compression plunger, is formed in the compression pump chamber, and a metering passage is formed in the injection pump chamber. The timing and metering passages communicate with a timing valve and a quantity control valve respectively arranged in an electromagnetic valve. The timing and quantity control valves are driven by an energization current such that they operate in cooperation with each other, i.e., when the timing valve is open, the quantity control valve is closed. When the timing valve is closed and the compression plunger returns, the injection plunger also returns and fuel is supplied to the injection pump chamber through the quantity control valve, which is open. The quantity of fuel filled in the injection pump chamber is controlled by the time interval during which the quantity control valve is open. The time interval during which the fuel is supplied to the pump chamber through the quantity control valve is calculated so as to correspond with engine conditions.
摘要翻译： 由压缩柱塞限定的压缩泵室中的燃料由与发动机的旋转同步地驱动的压缩柱塞排出。 注射柱塞由排出的燃料驱动，从而将燃料喷射到由注射柱塞限定的注射泵室中。 由压缩柱塞闭合的定时通道形成在压缩泵室中，并且在喷射泵室中形成计量通道。 定时和计量通道与分别布置在电磁阀中的定时阀和量控制阀相通。 定时和数量控制阀由通电电流驱动，使得它们彼此协作地操作，即当定时阀打开时，量控制阀关闭。 当定时阀关闭并且压缩柱塞返回时，喷射柱塞也返回，并且通过打开的量控制阀将燃料供给到喷射泵室。 填充在喷射泵室中的燃料量由量控制阀打开的时间间隔来控制。 计算通过量控制阀将燃料供应到泵室的时间间隔，以便与发动机条件相对应。
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公开(公告)号：US07055494B2
公开(公告)日：2006-06-06
申请号：US11007177
申请日：2004-12-09
申请人： Hiroaki Nishimaki
发明人： Hiroaki Nishimaki
IPC分类号： F02B3/00
CPC分类号： F02D41/405 , F01N3/035 , F01N11/002 , F02D41/027 , F02D41/20 , F02M45/04 , F02M47/027 , F02M59/08 , F02M59/102 , F02M59/466 , F02M63/0225 , Y02T10/44
摘要： When an electronic control unit (ECU) performs post-injection operation, the ECU intermittently implements a post-injection suspending pattern for suspending output of a post-injection command signal after outputting a normal injection command signal. The ECU implements the post-injection suspending pattern in non-overlapping cylinders and certain overlapping cylinders out of the entire overlapping cylinders. Normal injections are performed in the certain overlapping cylinders immediately before the normal injections performed in the non-overlapping cylinders. Thus, heat generation of an injection drive circuit can be reduced. Meanwhile, an injection pressure of the normal injection performed by an injector in each cylinder can be stabilized.
摘要翻译： 当电子控制单元（ECU）执行后喷射操作时，ECU在输出正常喷射命令信号之后间歇地执行用于暂停喷射后命令信号的输出的后喷射悬挂模式。 ECU在未重叠的气缸和整个重叠气缸中的某些重叠的气缸上实施后喷射悬挂图案。 在非重叠圆柱体中执行正常注射之前，在特定重叠圆柱体中进行正常注射。 因此，能够降低注入驱动电路的发热。 同时，可以稳定由每个气缸中的喷射器进行的正常喷射的喷射压力。
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公开(公告)号：US20050126535A1
公开(公告)日：2005-06-16
申请号：US11007177
申请日：2004-12-09
申请人： Hiroaki Nishimaki
发明人： Hiroaki Nishimaki
IPC分类号： F02M47/00 , F01N3/035 , F01N11/00 , F02D41/02 , F02D41/20 , F02D41/38 , F02D41/40 , F02M45/04 , F02M47/02 , F02M51/00 , F02M59/08 , F02M59/10 , F02M59/46 , F02M63/02 , F01N3/00
CPC分类号： F02D41/405 , F01N3/035 , F01N11/002 , F02D41/027 , F02D41/20 , F02M45/04 , F02M47/027 , F02M59/08 , F02M59/102 , F02M59/466 , F02M63/0225 , Y02T10/44
摘要： When an electronic control unit (ECU) performs post-injection operation, the ECU intermittently implements a post-injection suspending pattern for suspending output of a post-injection command signal after outputting a normal injection command signal. The ECU implements the post-injection suspending pattern in non-overlapping cylinders and certain overlapping cylinders out of the entire overlapping cylinders. Normal injections are performed in the certain overlapping cylinders immediately before the normal injections performed in the non-overlapping cylinders. Thus, heat generation of an injection drive circuit can be reduced. Meanwhile, an injection pressure of the normal injection performed by an injector in each cylinder can be stabilized.
摘要翻译： 当电子控制单元（ECU）执行后喷射操作时，ECU在输出正常喷射命令信号之后间歇地执行用于暂停喷射后命令信号的输出的后喷射悬挂模式。 ECU在未重叠的气缸和整个重叠气缸中的某些重叠的气缸上实施后喷射悬挂图案。 在非重叠圆柱体中执行正常注射之前，在特定重叠圆柱体中进行正常注射。 因此，能够降低注入驱动电路的发热。 同时，可以稳定由每个气缸中的喷射器进行的正常喷射的喷射压力。
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