公开(公告)号：US20030024506A1

公开(公告)日：2003-02-06

申请号：US10205301

申请日：2002-07-26

申请人： TOYODA BOSHOKU CORPORATION

发明人： Kouichi Oda ,  Masaki Takeyama ,  Naoya Kato ,  Yoshinori Inuzuka ,  Takashi Nishimoto

IPC分类号： F02B077/00

CPC分类号： F02D41/00 ,  F02D9/02 ,  F02D41/042 ,  F02D41/047 ,  F02D2009/0225 ,  F02D2200/0414

摘要： A throttle valve is opened after stopping an engine to prevent the valve from sticking. Then, when a temperature of the valve has become lower than the polymerization temperature, the valve is closed to seal the vapor of the HCs in a surge tank downstream. Changes in the temperature of the valve are, for example, estimated based on a temperature of an intake air detected by an intake temperature sensor.

摘要翻译： 停止发动机后打开节流阀，防止阀门粘滞。 然后，当阀的温度变得低于聚合温度时，阀被关闭以将下游的缓冲罐中的HC的蒸气密封。 例如，基于由进气温度传感器检测到的进气的温度来估计阀的温度变化。

公开(公告)号：US20030056770A1

公开(公告)日：2003-03-27

申请号：US10241444

申请日：2002-09-12

申请人： Toyoda Boshoku Corporation

发明人： Minoru Honda ,  Kouichi Oda ,  Naoya Kato ,  Masaki Takeyama ,  Yoshinori Inuzuka ,  Noriyasu Amano ,  Takashi Nishimoto

IPC分类号： F02M001/00

CPC分类号： F02M35/10019 ,  F02M25/08 ,  F02M35/10216 ,  F02M35/10275

摘要： An absorbent, such as, for example, an active carbon, is provided in an intake air passage, for example, in an air cleaner, to efficiently adsorb fuel vapor. To ensure that fuel vapor adsorbed into the intake air passage can be efficiently desorbed even when there is only a small amount of the intake air, an intake throttle valve is provided upstream of the adsorbent and an opening of the intake throttle valve is throttled so as to decompress an area near the adsorbent. Desorption of fuel vapor also can be efficiently promoted by using a heater to directly heat the adsorbent in the intake air passage or by heating the intake air to indirectly heat the adsorbent.

摘要翻译： 例如在空气滤清器中的进气通道中设置吸收剂，例如活性炭，以有效吸附燃料蒸气。 为了确保吸入进气通道中的燃料蒸气即使在仅有少量进气的情况下能够被有效地解吸，也可以在吸附剂的上游设置进气节流阀，并且进气节流阀的开度被节流，以便 以减压吸附剂附近的区域。 通过使用加热器直接加热进气通道中的吸附剂或通过加热进气来间接加热吸附剂，可以有效地促进燃料蒸气的解吸。

公开(公告)号：US20030116021A1

公开(公告)日：2003-06-26

申请号：US10319611

申请日：2002-12-16

申请人： TOYODA BOSHOKU CORPORATION

发明人： Kouichi Oda ,  Takanobu Kawano ,  Masaki Takeyama ,  Naoya Kato

IPC分类号： B01D053/02

CPC分类号： F02M35/10019 ,  B01D53/0415 ,  B01D53/0446 ,  B01D2253/102 ,  B01D2253/34 ,  B01D2259/4566 ,  F02M25/08 ,  F02M35/024 ,  F02M35/10216 ,  F02M35/10281

摘要： An HC adsorbing sheet inside an air cleaner is disposed such that a large amount of activated carbon is contained on the side of an engine and that a small amount of activated carbon is contained on the other side of the engine. Thus, the HC adsorbing sheet can efficiently adsorb evaporative fuel. That is, by changing the amount of activated carbon contained in accordance with differences in concentration of evaporative fuel, it becomes possible to prevent the pressure loss in an intake system from increasing. On the other hand, one end of a second intake pipe extends to a region where the amount of activated carbon contained in the HC adsorbing sheet is large, whereby it becomes possible to concentratively supply activated carbon with intake air in the region where the large amount of activated carbon is contained. Therefore, the efficiency in purging evaporative fuel can be prevented from declining.

摘要翻译： 在空气净化器内部的HC吸附片设置成在发动机侧容纳大量的活性炭，在发动机的另一侧容纳少量活性炭。 因此，HC吸附片能够有效地吸附蒸发燃料。 也就是说，通过根据蒸发燃料浓度的差异改变所含的活性炭的量，可以防止进气系统中的压力损失增加。 另一方面，第二进气管的一端延伸到HC吸附片中所含的活性炭的量大的区域，从而可以在大量的区域中集中供给具有进气的活性炭 的活性炭。 因此，可以防止蒸发燃料的吹扫效率下降。

公开(公告)号：US20040031470A1

公开(公告)日：2004-02-19

申请号：US10456512

申请日：2003-06-09

申请人： NIPPON SOKEN, INC. ,  TOYODA BOSHOKU CORPORATION

发明人： Masaki Takeyama ,  Naoya Kato ,  Takashi Nishimoto ,  Kouichi Oda

IPC分类号： F02B025/06

CPC分类号： F02M25/06 ,  F02M35/0218 ,  F02M35/1255 ,  F02M35/14 ,  Y02T10/121

摘要： An intake device for an internal combustion engine has: a first intake pipe which is connected to the engine so as to conduct an intake air to the engine, and which has an opening portion that is provided in an upstream-side lower portion of the first intake pipe located at an upstream side in a flowing direction of the intake air; and a second intake pipe which has a downstream-side end portion that faces an upstream-side end portion of the first intake pipe, with a gap formed therebetween, and which conducts the intake air to the first intake pipe. An unburned gas reflux passage is provided for conducting an unburned gas from the engine to the first intake pipe. A container surrounds the gap and the opening so as to receive the unburned gas flowing from the opening portion. Thus, it becomes possible to prevent release of unburned gas into the atmosphere by performing a simple process on a conventional structure.