公开(公告)号：US5614699A

公开(公告)日：1997-03-25

申请号：US429091

申请日：1995-04-26

申请人： Haruki Yashiro ,  Akira Sasaki ,  Kazushige Maeda

发明人： Haruki Yashiro ,  Akira Sasaki ,  Kazushige Maeda

IPC分类号： F01N1/02 ,  F01N1/08 ,  F01N1/10 ,  F01N1/16 ,  F01N1/00

CPC分类号： F01N1/10 ,  F01N1/02 ,  F01N1/084 ,  F01N1/089 ,  F01N1/165 ,  F01N1/166 ,  F01N2470/14 ,  F01N2490/06 ,  F01N2490/08 ,  F01N2490/155 ,  F01N2490/16

摘要： A first and second noise suppressing mechanism are provided inside the muffler. Each mechanism is provided with a discharge pipe for discharging exhaust gas to outside the muffler. The first noise suppressing mechanism reduces exhaust noise in the low engine speed region. The second noise suppressing mechanism reduces noise in the medium and high engine speed regions. A valve is provided that connects the first noise suppressing mechanism and second noise suppressing mechanism according to the engine exhaust pressure. In the low speed region, the valve is closed and exhaust gas is discharged via the first noise suppressing mechanism where mainly low frequency noise is eliminated. In the medium and high speed regions, the valve is opened and exhaust gas is also discharged via the second noise suppressing mechanism where high frequency noise specific in these regions is also eliminated. Further, by the increased exhaust cross-sectional area, power drop due to increase of back pressure in the muffler in the high speed region, is prevented.

摘要翻译： 第一和第二噪声抑制机构设置在消音器的内部。 每个机构设置有用于将废气排放到消声器外部的排放管。 第一噪声抑制机构降低了低发动机转速区域中的排气噪声。 第二噪声抑制机构降低中，高发动机转速区域的噪音。 提供一种阀，其根据发动机排气压力连接第一噪声抑制机构和第二噪声抑制机构。 在低速区域中，阀关闭，排气通过主要是低频噪声消除的第一噪声抑制机构排出。 在中高速区域中，阀被打开，废气也通过第二噪声抑制机构排出，其中也消除了这些区域中特有的高频噪声。 此外，通过增加的排气横截面积，防止了由于高速区域中的消声器中的背压增加引起的功率下降。

公开(公告)号：US5723827A

公开(公告)日：1998-03-03

申请号：US576967

申请日：1995-12-26

申请人： Akira Sasaki ,  Kazushige Maeda ,  Haruki Yashiro

发明人： Akira Sasaki ,  Kazushige Maeda ,  Haruki Yashiro

IPC分类号： F01N1/02 ,  F01N1/08 ,  F01N1/16 ,  F01N1/24 ,  F01N1/00

CPC分类号： F01N1/24 ,  F01N1/02 ,  F01N1/084 ,  F01N1/089 ,  F01N1/166 ,  F01N2490/06 ,  F01N2490/08 ,  F01N2490/155

摘要： A plurality of chambers are partitioned in a muffler by a baffle board. The muffler is provided with an exhaust gas passage for discharging exhaust gas outside the muffler via these chambers and a valve that bypasses a part of the exhaust passage. This valve opens according to the exhaust gas pressure. Also provided are a mechanism for pushing the valve in a closing direction, and a mechanism for damping the shock when the valve closes. Thus, valve closing noise is suppressed, and exhaust gas noise is further suppressed.

摘要翻译： 多个室通过挡板在消声器中分隔开。 消音器具有用于经由这些室排出消声器外的排气的排气通道和绕过排气通道的一部分的阀。 该阀根据废气压力打开。 还提供了用于在关闭方向上推动阀的机构，以及用于当阀关闭时阻尼冲击的机构。 因此，能够抑制关闭噪音，进一步抑制排气噪声。

公开(公告)号：US5739483A

公开(公告)日：1998-04-14

申请号：US797332

申请日：1997-02-10

申请人： Haruki Yashiro ,  Akira Sasaki ,  Kazushige Maeda

发明人： Haruki Yashiro ,  Akira Sasaki ,  Kazushige Maeda

IPC分类号： F01N1/02 ,  F01N1/08 ,  F01N1/10 ,  F01N1/16 ,  F01N1/00

CPC分类号： F01N1/10 ,  F01N1/02 ,  F01N1/084 ,  F01N1/089 ,  F01N1/165 ,  F01N1/166 ,  F01N2470/14 ,  F01N2490/06 ,  F01N2490/08 ,  F01N2490/155 ,  F01N2490/16

摘要： A first and second noise suppressing mechanism are provided inside the muffler. Each mechanism is provided with a discharge pipe for discharging exhaust gas to outside the muffler. The first noise suppressing mechanism reduces exhaust noise in the low engine speed region. The second noise suppressing mechanism reduces noise in the medium and high engine speed regions. A valve is provided that connects the first noise suppressing mechanism and second noise suppressing mechanism according to the engine exhaust pressure. In the low speed region, the valve is closed and exhaust gas is discharged via the first noise suppressing mechanism where mainly low frequency noise is eliminated. In the medium and high speed regions, the valve is opened and exhaust gas is also discharged via the second noise suppressing mechanism where high frequency noise specific in these regions is also eliminated. Further, by the increased exhaust cross-sectional area, power drop due to increase of back pressure in the muffler in the high speed region, is prevented.

摘要翻译： 第一和第二噪声抑制机构设置在消音器的内部。 每个机构设置有用于将废气排放到消声器外部的排放管。 第一噪声抑制机构降低了低发动机转速区域中的排气噪声。 第二噪声抑制机构降低中，高发动机转速区域的噪音。 提供一种阀，其根据发动机排气压力连接第一噪声抑制机构和第二噪声抑制机构。 在低速区域中，阀关闭，排气通过主要是低频噪声消除的第一噪声抑制机构排出。 在中高速区域中，阀被打开，废气也通过第二噪声抑制机构排出，其中也消除了这些区域中特有的高频噪声。 此外，通过增加的排气横截面积，防止了由于高速区域中的消声器中的背压增加引起的功率下降。

公开(公告)号：US06173808B1

公开(公告)日：2001-01-16

申请号：US08857071

申请日：1997-05-15

申请人： Kazushige Maeda ,  Akira Sasaki ,  Takao Kubozuka ,  Haruki Yashiro

发明人： Kazushige Maeda ,  Akira Sasaki ,  Takao Kubozuka ,  Haruki Yashiro

IPC分类号： F01N100

CPC分类号： F01N1/084 ,  F01N1/02 ,  F01N1/166 ,  F01N1/24 ,  F01N2210/04 ,  F01N2490/155

摘要： An expansion chamber, and first and second volume chambers on either side of said expansion chamber, are formed inside a muffler housing. Engine exhaust is led by an inlet tube to the first volume chamber, and an opening facing the expansion chamber is formed in an intermediate part of the inlet tube. Exhaust in the second volume chamber is discharged outside by a tail tube, and an opening is formed facing the expansion chamber in an intermediate part of the tail tube. A valve is provided for leading exhaust from the first volume chamber to the second volume chamber according to a pressure difference between the chambers. This forms two exhaust flowpaths. A resonance system with two degrees of freedom is thereby formed with respect to exhaust discharged via the two openings and the expansion chamber, and a high noise silencing efficiency is obtained.

摘要翻译： 膨胀室和位于所述膨胀室两侧的第一和第二容积室形成在消声器壳体的内部。 发动机排气通过入口管引导到第一容积室，并且面向膨胀室的开口形成在入口管的中间部分中。 第二容积室中的排气通过尾管排出到外部，并且在尾管的中间部分中形成面向膨胀室的开口。 提供阀，用于根据室之间的压力差将排气从第一容积室引导到第二容积室。 这形成两个排气流路。 因此，通过两个开口和膨胀室排出的排气形成具有两个自由度的共振系统，并获得高噪声消音效率。

公开(公告)号：US20060061744A1

公开(公告)日：2006-03-23

申请号：US11216185

申请日：2005-09-01

申请人： Michel Mensler ,  Hikaru Nishira ,  Taketoshi Kawabe ,  Haruki Yashiro

发明人： Michel Mensler ,  Hikaru Nishira ,  Taketoshi Kawabe ,  Haruki Yashiro

IPC分类号： G03B27/42

CPC分类号： F16F15/005

摘要： An active vibration controller has: a sensor configured to measure a physical quantity related to vibration of a vehicle body; an actuator arranged on a floor panel of the vehicle body and configured to deform itself to thereby deform the floor panel; and a control unit configured to control the actuator according to the measured physical quantity in such a way as to reduce noise caused by the vibration of the vehicle body. The actuator is installed on a member of the floor panel whose rigidity is greater than an average rigidity of the entire floor panel.

摘要翻译： 主动振动控制器具有：传感器，被配置为测量与车身振动有关的物理量; 布置在车体的地板上的致动器，其构造为使其自身变形，从而使地板镶板变形; 以及控制单元，被配置为根据测量的物理量控制致动器，以便减少由车体的振动引起的噪声。 致动器安装在地板镶板上，其刚度大于整个地板面板的平均刚性。

公开(公告)号：US20050200222A1

公开(公告)日：2005-09-15

申请号：US11077209

申请日：2005-03-11

申请人： Haruki Yashiro ,  Hisaaki Toujima ,  Kazuhiro Ooki

发明人： Haruki Yashiro ,  Hisaaki Toujima ,  Kazuhiro Ooki

IPC分类号： H02K21/14 ,  H02K1/27 ,  H02K21/12 ,  H02K37/00

CPC分类号： H02K1/276 ,  H02K21/16 ,  H02K29/03 ,  H02K2213/03

摘要： A synchronous electric machine includes a stator and a rotor. The stator is provided with teeth, which are wound around to establish electromagnetic fields. The rotor is provided with permanent magnets to generate magnetic fields, so that the rotor can rotate by interaction of the magnetic fields of the windings and the permanent magnets of the magnets. At least one pair of the permanent magnets is dislocated by a predetermined angle from positions where the permanent magnets is arranged at even pitch, and the predetermined angle being set to reduce electromagnetic excitation force acting on said teeth.

摘要翻译： 同步电机包括定子和转子。 定子具有齿，其被缠绕以建立电磁场。 转子设置有永磁体以产生磁场，使得转子可以通过绕组的磁场和磁体的永磁体的相互作用而旋转。 至少一对永久磁铁从永磁体以均匀间距布置的位置脱位预定角度，并且设定预定角度以减小作用在所述齿上的电磁激励力。

公开(公告)号：US07109624B2

公开(公告)日：2006-09-19

申请号：US11077209

申请日：2005-03-11

申请人： Haruki Yashiro ,  Hisaaki Toujima ,  Kazuhiro Ooki

发明人： Haruki Yashiro ,  Hisaaki Toujima ,  Kazuhiro Ooki

IPC分类号： H02K21/12

CPC分类号： H02K1/276 ,  H02K21/16 ,  H02K29/03 ,  H02K2213/03

摘要： A synchronous electric machine includes a stator and a rotor. The stator is provided with teeth, which are wound around to establish electromagnetic fields. The rotor is provided with permanent magnets to generate magnetic fields, so that the rotor can rotate by interaction of the magnetic fields of the windings and the permanent magnets of the magnets. At least one pair of the permanent magnets is dislocated by a predetermined angle from positions where the permanent magnets is arranged at even pitch, and the predetermined angle being set to reduce electromagnetic excitation force acting on said teeth.

摘要翻译： 同步电机包括定子和转子。 定子具有齿，其被缠绕以建立电磁场。 转子设置有永磁体以产生磁场，使得转子可以通过绕组的磁场和磁体的永磁体的相互作用而旋转。 至少一对永久磁铁从永磁体以均匀间距布置的位置脱位预定角度，并且设定预定角度以减小作用在所述齿上的电磁激励力。