公开(公告)号：US5689953A

公开(公告)日：1997-11-25

申请号：US623561

申请日：1996-03-28

申请人： Nobuyuki Yamashita ,  Ryozo Imanishi ,  Masaki Hayashi ,  Kazuaki Kurohara ,  Masatake Murakawa ,  Katsuhiko Uemura ,  Eriya Harada

发明人： Nobuyuki Yamashita ,  Ryozo Imanishi ,  Masaki Hayashi ,  Kazuaki Kurohara ,  Masatake Murakawa ,  Katsuhiko Uemura ,  Eriya Harada

IPC分类号： B60K11/02 ,  B60K11/04 ,  B60K11/08 ,  B60K13/04 ,  F01N3/05 ,  F01P3/18 ,  F01P5/06 ,  F01P11/20 ,  F01P1/00 ,  F01N3/02 ,  F01P1/08

CPC分类号： F01P3/18 ,  B60K11/02 ,  B60K11/04 ,  B60K11/08 ,  F01N3/05 ,  F01P11/20 ,  B60K13/04 ,  F01P2060/16 ,  F01P5/06 ,  Y02T10/20

摘要： A cooling system for a vehicle having a radiator disposed above an engine, and a muffler disposed in a region below the engine. This system includes an air intake guide for guiding cooling air to the radiator from outside, an exhaust guide for guiding a large part of the cooling air having flowed past the radiator, forwardly of the vehicle, a cooling fan for producing air currents flowing from the air intake guide past the radiator to the exhaust guide, and ducts provided for opposite sides of the exhaust guide for guiding part of the cooling air having flowed passed the radiator into a muffler cover enclosing the muffler. The ducts communicate with positions of the muffler cover to blow the cooling air toward connections between exhaust pipes of the engine and the muffler.

摘要翻译： 一种用于车辆的冷却系统，其具有设置在发动机上方的散热器，以及设置在发动机下方的区域中的消音器。 该系统包括用于从外部将冷却空气引导到散热器的进气引导件，用于引导流过散热器的大部分已经流过散热器的冷却空气的排气引导件，用于产生从车辆前方流动的气流的冷却风扇 进气引导件通过散热器到排气引导件，以及设置在排气引导件的相对侧的管道，用于引导已经流过散热器的冷却空气的一部分包围消音器的消声器盖。 管道与消声器盖的位置通信，以将冷却空气吹向发动机排气管与消声器之间的连接。

公开(公告)号：US5207187A

公开(公告)日：1993-05-04

申请号：US784549

申请日：1991-10-29

申请人： Kazuaki Kurohara ,  Nobuyuki Yamashita ,  Masatake Murakawa

发明人： Kazuaki Kurohara ,  Nobuyuki Yamashita ,  Masatake Murakawa

IPC分类号： B60K11/06 ,  F01P1/00 ,  F01P3/18 ,  F01P11/12

CPC分类号： F01P3/18 ,  B60K11/06 ,  F01P11/12 ,  F01P2001/005 ,  Y10S180/90

摘要： An air cooling system for a vertical engine having a cylinder head projecting forwardly of a vehicle. The vehicle also includes a steering box disposed rearwardly of the engine, and a hood extending from the steering box and over the engine. This cooling system includes a cooling fan disposed above the engine; and engine cover enclosing the engine and opening downwardly, the engine cover defining an air suction opening in a region opposed to the cooling fan; an air intake opening defined in the steering box; and a shield for dividing an engine room formed forwardly of the steering box and under the hood into a front chamber for accommodating the cylinder head, and a rear chamber for accommodating the cooling fan. The shield includes a first shield member and second shield members.

摘要翻译： 一种用于垂直发动机的空气冷却系统，其具有向车辆前方突出的气缸盖。 车辆还包括设置在发动机后方的转向箱，以及从转向箱延伸并在发动机上方的罩。 该冷却系统包括设置在发动机上方的冷却风扇; 发动机盖封闭发动机并向下打开，发动机盖在与冷却风扇相对的区域中限定空气吸入口; 在所述转向箱中限定的进气口; 以及用于将形成在所述转向箱前方的发动机室和所述发动机罩下面的罩分隔成用于容纳所述气缸盖的前室，以及用于容纳所述冷却风扇的后室。 屏蔽包括第一屏蔽部件和第二屏蔽部件。

公开(公告)号：US5064315A

公开(公告)日：1991-11-12

申请号：US602883

申请日：1990-10-23

申请人： Kazuo Samejima ,  Masatake Murakawa ,  Junichi Kitamura ,  Yoshiaki Matsuda ,  Colin Fulford

发明人： Kazuo Samejima ,  Masatake Murakawa ,  Junichi Kitamura ,  Yoshiaki Matsuda ,  Colin Fulford

IPC分类号： A01D34/63 ,  A01D43/077 ,  B65G53/52 ,  F04D29/02 ,  F04D29/42

CPC分类号： A01D43/077 ,  B65G53/523 ,  F04D29/023 ,  F04D29/4226 ,  A01D2101/00 ,  A01D34/63 ,  F05D2300/43 ,  F05D2300/501 ,  F05D2300/518

摘要： A blower for transporting grass clippings from a grass cutting unit to a grass catcher of a lawn mower comprises a housing with a protective liner extending over peripheral inside walls thereof. The liner includes a lining material formed of an elastic resin, and a core formed of a plastically deformable metal and embedded in the lining material.

摘要翻译： 用于将草剪从草切割单元传送到割草机的割草机的鼓风机包括具有在其周向内壁上延伸的保护衬垫的壳体。 衬套包括由弹性树脂形成的衬里材料和由可塑性变形的金属形成并嵌入衬里材料中的芯。

公开(公告)号：US08439141B2

公开(公告)日：2013-05-14

申请号：US13051625

申请日：2011-03-18

申请人： Hiroki Bessho ,  Ryouzou Imanishi ,  Shoichiro Kawamura ,  Masatake Murakawa

发明人： Hiroki Bessho ,  Ryouzou Imanishi ,  Shoichiro Kawamura ,  Masatake Murakawa

IPC分类号： B60K11/06

CPC分类号： B60K13/04 ,  B60K5/04 ,  B60K11/06 ,  B60K17/08 ,  B60K17/344 ,  B60Y2200/141 ,  B60Y2200/22 ,  F16H57/0416 ,  F16H57/0489

摘要： A work vehicle includes: a muffler which flows exhaust from an engine and extends in a transverse direction so as to allow the exhaust from the engine to flow in the transverse direction; and a CVT case for covering a belt-type CVT positioned frontward of the muffler in a longitudinal direction. The CVT case includes a cooling structure for introducing cooling air from outside, cooling the belt-type CVT, and discharging the cooling air from a discharge part. An exhaust duct includes an inflow opening to be connected to the discharge part for allowing the cooling air to flow into the exhaust duct, and an exhaust opening for allowing the cooling air to flow out rearward. The exhaust opening is elongated in an extending direction of the muffler and oriented in a direction that allows the cooling air flowing out to hit the muffler.

摘要翻译： 工作车辆包括：消音器，其从发动机排出并沿横向延伸，以允许来自发动机的排气沿横向流动; 以及用于在纵向方向上覆盖位于消音器前方的带式CVT的CVT壳体。 CVT壳体包括用于从外部引入冷却空气的冷却结构，冷却带式CVT，以及从排出部排出冷却空气。 排气管道包括与排出部连接以允许冷却空气流入排气管道的流入开口和用于允许冷却空气向后流出的排气口。 排气口在消音器的延伸方向上伸长，并且沿允许冷却空气流出以消除消音器的方向定向。

公开(公告)号：US20110155093A1

公开(公告)日：2011-06-30

申请号：US12870942

申请日：2010-08-30

申请人： Taiichiro Ogi ,  Hiroki Bessho ,  Masatake Murakawa

发明人： Taiichiro Ogi ,  Hiroki Bessho ,  Masatake Murakawa

IPC分类号： F01M11/00

CPC分类号： F01M11/02

摘要： An engine case includes: a crank chamber (2R) of an engine (1); a clutch chamber (30R) having a wet clutch (30) connected to an output shaft (2) protruding from the crank chamber (2R); a partition wall (10) keeping the crank and clutch chambers separated and connecting the crank and clutch chambers; an oil inlet (11) for introducing engine oil; an oil feeding passage (11R) which is configured to allow the engine oil introduced from the oil inlet (11) to first enter the clutch chamber (30R) separated by the partition wall (10); and an inflow part (10h) which is formed in the partition wall (10) and configured to allow an excess amount of the introduced engine oil over a predetermined amount to flow into the crank chamber (2R).

摘要翻译： 发动机壳体包括：发动机（1）的曲柄室（2R）; 具有与从曲柄室（2R）突出的输出轴（2）连接的湿式离合器（30）的离合器室（30R）; 保持曲柄和离合器室分离并连接曲柄和离合器室的分隔壁（10）; 用于引入机油的油入口（11）; 供油通道（11R），其被配置为允许从所述进油口（11）引入的发动机油首先进入由所述分隔壁（10）分离的所述离合器室（30R）; 以及形成在分隔壁（10）中的流入部（10h），其构造成允许过量的引入的发动机油超过预定量流入曲柄室（2R）。

公开(公告)号：US06454041B2

公开(公告)日：2002-09-24

申请号：US09789483

申请日：2001-02-20

申请人： Shoso Ishimori ,  Nobuyuki Yamashita ,  Masatake Murakawa

发明人： Shoso Ishimori ,  Nobuyuki Yamashita ,  Masatake Murakawa

IPC分类号： B60K1700

CPC分类号： B60K17/28 ,  A01B71/06 ,  B60Y2200/223

摘要： A working vehicle having a propelling transmission for transmitting power of an engine drive wheels, the propelling transmission being attached to body frames as offset to one side transversely of a vehicle body to produce a utility space in the other side, with a PTO apparatus for transmitting power supplied from the propelling transmission to an external working implement. The PTO apparatus includes an input shaft extending longitudinally of the vehicle body and drivably connected to the propelling transmission, and an output shaft extending parallel to and spaced from the input shaft and drivingly connected to the external working implement. A mounting mechanism system is provided to attach the PTO apparatus to vehicle body frames. The mounting mechanism system selectivety fixes the PTO apparatus in at least two pivotal postures about the input shaft.

摘要翻译： 一种具有用于传递发动机驱动轮的动力的推进传动装置的工作车辆，所述推进传动装置附接到身体框架，偏移到车身横向的一侧以在另一侧产生效用空间，其中PTO装置用于传送 从推进传输供给到外部工作工具的电力。 PTO装置包括沿车身纵向延伸并且可驱动地连接到推进传动装置的输入轴，以及平行于输入轴并与驱动连接到外部作业工具的输出轴。 提供安装机构系统以将PTO装置附接到车体框架。 安装机构系统选择性将PTO装置固定在围绕输入轴的至少两个枢转姿势中。

公开(公告)号：US5873224A

公开(公告)日：1999-02-23

申请号：US711451

申请日：1996-09-06

申请人： Masatake Murakawa ,  Hiroki Nagai ,  Kazuaki Kurohara

发明人： Masatake Murakawa ,  Hiroki Nagai ,  Kazuaki Kurohara

IPC分类号： A01D34/64 ,  B60K5/02 ,  B60K5/06 ,  B60K17/10 ,  B60K17/28 ,  B60K25/06 ,  A01D34/66 ,  A01D34/82

CPC分类号： A01D34/64 ,  B60K17/28 ,  A01D2101/00 ,  B60K17/105 ,  B60K25/06 ,  B60K5/02 ,  B60K5/06 ,  B60Y2200/223 ,  Y10S56/06 ,  Y10S56/22

摘要： A power transmitting structure for a mid-mount mower having a mower unit disposed in a middle region of a vehicle body. The power transmitting structure includes an engine disposed adjacent front wheels, axle shafts for rotating drive wheels, a stepless transmission operatively connected to the axle shafts, and a power branching device. The power branching device includes a branch input shaft connected to the engine through an engine power transmitting device extending longitudinally of the vehicle body, a first branch output operatively connected to the stepless transmission, and a second branch output operatively connected to the mower unit. The first branch output is a pulley connected to an input pulley of the stepless transmission through a belt to transmit power to the input pulley. The power branching device is disposed independently of and spaced from the stepless transmission. The mower unit is suspended below the engine power transmitting device between the engine and the power branching device.

摘要翻译： 一种用于具有设置在车体的中间区域中的割草机单元的中型割草机的动力传递结构。 动力传递结构包括邻近前轮设置的发动机，用于旋转驱动轮的车轴，可操作地连接到车轴的无级变速器和动力分配装置。 动力分配装置包括通过沿车身纵向延伸的发动机动力传递装置连接到发动机的分支输入轴，可操作地连接到无级变速器的第一分支输出和可操作地连接到割草机单元的第二分支输出。 第一分支输出是通过皮带连接到无级变速器的输入滑轮的滑轮，以将动力传递到输入滑轮。 功率分支装置与无级变速器独立地设置并与其隔开。 割草机单元悬挂在发动机和动力分配装置之间的发动机动力传递装置下方。

公开(公告)号：US4903469A

公开(公告)日：1990-02-27

申请号：US109347

申请日：1987-10-16

申请人： Masatake Murakawa ,  Niro Bando ,  Masatsugu Tone ,  Mikio Yuki ,  Junji Miyata ,  Tetsuaki Hayashi ,  Kazuaki Kurohara

发明人： Masatake Murakawa ,  Niro Bando ,  Masatsugu Tone ,  Mikio Yuki ,  Junji Miyata ,  Tetsuaki Hayashi ,  Kazuaki Kurohara

IPC分类号： A01D34/63 ,  A01D43/063 ,  A01D34/70

CPC分类号： A01D43/063 ,  A01D2101/00 ,  A01D34/63

摘要： A lawn mower comprising a cutting unit disposed between front and rear wheels, a grass discharge duct extending rearwardly from the cutting unit, and a grass collecting container defining a top opening for receiving grass clippings sent through the discharge duct. The grass collecting container includes a mouthpiece extending along peripheries of the top opening to rest on a U-shaped support frame mounted at a rear end of the mower. The mouthpiece is connected to the support frame by a projection and bore engagement. The support frame includes a holder defining an upwardly opening recess, and the container has a cover defining a downwardly opening recess at a position opposed to the holder. The two recesses define an opening for receiving a rear end of the grass discharge duct. The grass discharge duct includes an annular engagement portion extending peripherally of the rear end thereof for engagement with inner edges of the two recesses.

摘要翻译： 一种割草机，包括设置在前轮和后轮之间的切割单元，从切割单元向后延伸的草排出管，以及限定用于接收通过排出管送出的草屑的顶部开口的草收集容器。 草收集容器包括沿着顶部开口的周边延伸的接口，以便搁置在安装在割草机后端的U形支撑框架上。 接口通过突出和孔接合连接到支撑框架。 支撑框架包括限定向上开口的凹部的保持器，并且容器具有在与保持器相对的位置处限定向下开口的凹部的盖。 两个凹部限定用于接收草排出管道的后端的开口。 草排出管道包括在其后端的周边延伸的环形接合部分，用于与两个凹部的内边缘接合。

公开(公告)号：US6082477A

公开(公告)日：2000-07-04

申请号：US120091

申请日：1998-07-21

申请人： Masatake Murakawa

发明人： Masatake Murakawa

IPC分类号： B60K11/08 ,  B62D25/10

CPC分类号： B62D25/10 ,  B60K11/08 ,  B60Y2200/223

摘要： An engine enclosure for use on a vehicle having an engine disposed forwardly of a driver's seat. This engine enclosure has a control panel disposed rearwardly of the engine, and a hood disposed forwardly of the control panel for covering the engine. The hood includes a lower hood attached to vehicle frames through a fixing device, and an upper hood pivotable about a pivotal support disposed adjacent a forward end thereof so as to surround upper edges of the lower hood. The lower hood has a lower front wall portion, and lower side wall portions extending upward and opposed to each other across the engine. The lower side wall portions have a smaller distance therebetween in a lower region than in an intermediate region. The upper hood has a top wall portion, an upper front wall portion and upper side wall portions. The upper side wall portions have a greater distance therebetween in a lower region than in an intermediate region.

摘要翻译： 一种在车辆上使用的发动机罩，其具有设置在驾驶员座椅前方的发动机。 该发动机罩具有设置在发动机后方的控制面板，以及设置在控制面板的前方以覆盖发动机的罩。 所述罩包括通过固定装置连接到车架的下罩，以及围绕枢轴支撑枢转的上罩，所述枢轴支撑邻近其前端设置，以围绕所述下罩的上边缘。 下罩具有下前壁部分，下侧壁部分向上延伸并相对于发动机彼此相对。 下侧壁部分在下部区域中的间隔比中间区域小。 上罩具有顶壁部，上前壁部和上侧壁部。 上侧壁部分在下部区域中具有比在中间区域更大的距离。

公开(公告)号：US5560188A

公开(公告)日：1996-10-01

申请号：US410528

申请日：1995-03-27

申请人： Masatake Murakawa ,  Eriya Harada ,  Katsuhiko Uemura ,  Kazuaki Kurohara

发明人： Masatake Murakawa ,  Eriya Harada ,  Katsuhiko Uemura ,  Kazuaki Kurohara

IPC分类号： A01D34/63 ,  A01D43/077 ,  A01D34/70

CPC分类号： A01D43/077 ,  A01D2101/00 ,  A01D34/63

摘要： A lawn tractor has an engine with a vertical output shaft, front wheels and rear wheels, a body frame extending longitudinally of the tractor, a mower unit supported by the body frame, a grass catcher supported the by body frame, a blower unit supported by the body frame, and a duct for transporting grass clippings cut by the mower unit into the grass catcher. The duct includes a first duct portion extending between the mower unit and the blower unit, and a second duct portion extending between the blower unit and the grass catcher. The mower unit has a vertical mower drive shaft for receiving engine power. The blower unit has a vertical blower input shaft for receiving engine power. An intermediate shaft is disposed between the mower unit and blower unit. The intermediate shaft has a first, a second and a third pulleys mounted thereon. The first pulley is drivably connected to the engine output shaft. The second pulley is drivably connected to the mower drive shaft. The third pulley is drivably connected to the blower input shaft.

摘要翻译： 草坪拖拉机具有发动机，其具有垂直输出轴，前轮和后轮，沿拖拉机纵向延伸的主体框架，由主体框架支撑的割草机单元，由主体框架支撑的割草机，由主体框架支撑的鼓风机单元， 身体框架和用于将由割草机单元切割的草屑运送到捕草器的管道。 所述管道包括在所述割草机单元和所述鼓风机单元之间延伸的第一管道部分和在所述鼓风机单元和所述捕草器之间延伸的第二管道部分。 割草机单元具有用于接收发动机功率的垂直割草机驱动轴。 鼓风机单元具有用于接收发动机功率的垂直鼓风机输入轴。 中间轴设置在割草机单元和鼓风机单元之间。 中间轴具有安装在其上的第一，第二和第三滑轮。 第一滑轮可驱动地连接到发动机输出轴。 第二滑轮可驱动地连接到割草机驱动轴。 第三滑轮可驱动地连接到鼓风机输入轴。