摘要:
The present invention relates to an exhaust gas treatment device of a diesel engine that is capable of increasing the concentration of PM in the EGR gas, wherein an exhaust gas separator 2 has electrodes 12 and 13 having different polarities from each other to allow the PM in the exhaust gas 3 to be charged to a given polarity by means of corona discharge between the electrodes 12 and 13 and thus to permit a peripheral wall 14 surrounding the exhaust gas swirl chamber 9 to have the electrode 13 having the opposite polarity to the charged PM, and the charged PM in the exhaust gas 3 swirling the exhaust gas swirl chamber 9 is localizedly positioned around the peripheral wall 14 of the exhaust gas swirl chamber 9 through a centrifugal force and an electrostatic force to allow the exhaust gas 3 containing the localizedly positioned PM to be separated as the EGR gas 4 and sent to a terminal end portion 15 of the exhaust gas swirl chamber 9, while the exhaust gas 3 around the central cylinder 7 is being separated as the emission gas 5 and sent to the interior of the central cylinder 7 through the plurality of emission gas entry holes 8.
摘要翻译:本发明涉及能够增加EGR气体中的PM浓度的柴油发动机的废气处理装置,其中,废气分离器2具有彼此不同的极性的电极12和13,以允许PM 排气3通过电极12和13之间的电晕放电而被充电到给定极性,从而允许围绕排气涡流室9的周壁14具有与带电PM相反的极性的电极13 并且使排气涡流室9旋转的废气3中的带电PM通过离心力和静电力局部地定位在排气涡流室9的周壁14周围,以允许含有局部定位的排气3 PM被分离为EGR气体4并被送到废气涡流室9的末端部分15,而围绕中心圆筒的废气3 r 7被分离为排放气体5,并通过多个排放气体进入孔8送到中央筒7的内部。
摘要:
The present invention relates to an exhaust gas treatment device of a diesel engine that is capable of increasing the concentration of PM in the EGR gas, wherein an exhaust gas separator 2 has electrodes 12 and 13 having different polarities from each other to allow the PM in the exhaust gas 3 to be charged to a given polarity by means of corona discharge between the electrodes 12 and 13 and thus to permit a peripheral wall 14 surrounding the exhaust gas swirl chamber 9 to have the electrode 13 having the opposite polarity to the charged PM, and the charged PM in the exhaust gas 3 swirling the exhaust gas swirl chamber 9 is localizedly positioned around the peripheral wall 14 of the exhaust gas swirl chamber 9 through a centrifugal force and an electrostatic force to allow the exhaust gas 3 containing the localizedly positioned PM to be separated as the EGR gas 4 and sent to a terminal end portion 15 of the exhaust gas swirl chamber 9, while the exhaust gas 3 around the central cylinder 7 is being separated as the emission gas 5 and sent to the interior of the central cylinder 7 through the plurality of emission gas entry holes 8.
摘要翻译:本发明涉及能够增加EGR气体中的PM浓度的柴油发动机的废气处理装置,其中,废气分离器2具有彼此不同的极性的电极12和13,以允许PM 排气3通过电极12和13之间的电晕放电而被充电到给定极性,从而允许围绕排气涡流室9的周壁14具有与带电PM相反的极性的电极13 并且使排气涡流室9旋转的废气3中的带电PM通过离心力和静电力局部地定位在排气涡流室9的周壁14周围,以允许含有局部定位的排气3 PM被分离为EGR气体4并被送到废气涡流室9的末端部分15,而围绕中心圆筒的废气3 r 7被分离为排放气体5,并通过多个排放气体进入孔8送到中央筒7的内部。
摘要:
The present invention provides a multi-cylinder engine capable of inhibiting an EGR cooler from being damaged and at the same time making the EGR cooler compact. On the assumption that a direction where a crank shaft spans is taken as a front and rear direction and a widthwise direction of a cylinder head perpendicular to this front and rear direction is deemed as a lateral direction, an intake-air distributing passage wall is attached to one lateral side surface of the cylinder head and an exhaust-gas converging passage wall ached to the other lateral side of the cylinder head, the exhaust-gas converging passage wall having an interior area communicated with an interior area of the intake-air distributing passage wall through the EGR cooler. In this multi-cylinder engine, an intake-air inlet pipe is made to stand up at an upper portion of the intake air distributing passage wall and the EGR cooler is above the intake-air distributing passage wall. Further, the intake-air inlet pipe is arranged side by side with the EGR cooler.
摘要:
The present invention provides a multi-cylinder engine capable of inhibiting an EGR cooler from being damaged and at the same time making the EGR cooler compact. On the assumption that a direction where a crank shaft spans is taken as a front and rear direction and a widthwise direction of a cylinder head (2) perpendicular to this front and rear direction is deemed as a lateral direction, an intake-air distributing passage wall (3) is attached to one lateral side surface of the cylinder head (2) and an exhaust-gas converging passage wall (4) is attached to the other lateral side of the cylinder head (2), the exhaust-gas converging passage wall (4) having an interior area communicated with an interior area of the intake-air distributing passage wall (3) through the EGR cooler (6). In this multi-cylinder engine, an intake-air inlet pipe (5) is made to stand up at an upper portion of the intake-air distributing passage wall (3) and the EGR cooler (6) spans above the intake-air distributing passage wall (3). Further, the intake-air inlet pipe (5) is arranged side by side with the EGR cooler (6).
摘要:
A fuel supplying device for an engine comprises an electronic governor (1) and a mechanical governor (2). In this device, the mechanical governor (2) limits a maximum fuel injection amount of an electronic control by the electronic governor (1).
摘要:
A direct-injection type diesel engine comprises a cylinder head (1) with a fuel injection nozzle (2) and a glow plug (3) attached thereto. The fuel injection nozzle (2) has a leading end opposed to a cylinder mid portion (4) and the glow plug (3) extends through an intake port wall portion (6) between the fuel injection nozzle (2) and an intake port (5). The glow plug (3) is inclined with respect to the fuel injection nozzle (2) by a predetermined angle (&thgr;1) and has a leading end inserted into the cylinder mid portion (4).
摘要:
A fuel injection device for a diesel engine adapted to perform a preliminary injection (1) and a main injection (2) to a combustion chamber (3), wherein the preliminary injection (1) is adjusted to begin within a valve overlap term (40).Within the valve overlap term (40), no intake air is introduced into the combustion chamber (3) or a little if any and the combustion chamber (3) contains a gas of high temperature. If the preliminary injection (1) is conducted into this gas of high temperature within the combustion chamber (3), a preliminary injection fuel vaporizes soon to thereby shorten the ignition lag of a main injection fuel with the result of improving the combustion.
摘要:
A multi-cylinder engine comprises a cylinder block (1) provided with a side water passage (3) oriented in a front and rear direction and passing by each of cylinder walls 12 so as to introduce cooling water from a radiator into a cylinder jacket 4 laterally through the side water passage (3). The side water passage (3) has front and rear end portions provided with front and rear openings (3a), (3b) which communicate the side water passage (3) with a water pump (10). Thus even if the water pump (10) is arranged at either of the front and rear end portions, the opening of the side water passage 3 near the end portion where the water pump (10) is arranged can communicate the side water passage (3) with the water pump (10).And a method for alternatively producing multi-cylinder engines, uses the cylinder block (1) as a common part.