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1. 发明授权

US5335487A Engine speed control apparatus for a working vehicle 失效
标题翻译：用于工作车辆的发动机速度控制装置
公开(公告)号：US5335487A
公开(公告)日：1994-08-09
申请号：US26368
申请日：1993-03-04
申请人： Masatake Murakawa , Akira Minoura , Kazuaki Kurohara , Ryozo Imanishi , Nobuyuki Yamashita , Eriya Harada
发明人： Masatake Murakawa , Akira Minoura , Kazuaki Kurohara , Ryozo Imanishi , Nobuyuki Yamashita , Eriya Harada
IPC分类号： A01D34/68 , B60K26/04 , B60W30/18 , A01D34/00
CPC分类号： B60W30/18 , B60K26/04 , B60W10/04 , B60W10/103
摘要： A rotating rate control apparatus for adjusting rotation of an engine of a working vehicle between a minimum rate and a maximum rate. The control apparatus has a first, a second and a third rotating rate adjusting devices. The first rotating rate adjusting device adjusts a basic rotating rate of the engine between the minimum rate and maximum rate. The second rotating rate adjusting device is shiftable between an ON position and an OFF position. The second rotating rate adjusting device is operable, when in the ON position, to set the engine to a predetermined rotating rate between the minimum rate and the maximum rate inclusive. The third rotating rate adjusting device is operable, when the second rotating rate adjusting device is in the OFF position, to adjust the rotating rate of the engine between the basic rotating rate adjusted by the first rotating rate adjusting device and the maximum rate.
摘要翻译：一种用于在最小速率和最大速率之间调整作业车辆的发动机的旋转的转速控制装置。控制装置具有第一，第二和第三转速调节装置。第一旋转速率调节装置调整发动机的最小速率和最大速率之间的基本转速。第二转速调节装置可在ON位置和OFF位置之间移动。当处于接通位置时，第二转速调节装置可将发动机设定在包括最小速率和最大速率之间的预定转速。当第二转速调节装置处于关闭位置时，第三转速调节装置可以调节发动机在由第一转速调节装置调节的基本转速与最大转速之间的转速。

2. 发明授权

US5689953A Cooling system for a liquid-cooled engine 失效
标题翻译：液冷发动机冷却系统
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。

3. 发明授权

US5887671A Working vehicle with power steering 失效
标题翻译：带动力转向的工作车辆
公开(公告)号：US5887671A
公开(公告)日：1999-03-30
申请号：US882521
申请日：1997-06-25
申请人： Mikio Yuki , Hiroyuki Ogasawara , Masatake Murakawa , Kazuaki Kurohara , Nobuyuki Yamashita , Masaki Hayashi , Eriya Harada , Masatoshi Yamaguchi , Hiroki Nagai , Yoshio Tomiyama , Katsuhiko Uemura
发明人： Mikio Yuki , Hiroyuki Ogasawara , Masatake Murakawa , Kazuaki Kurohara , Nobuyuki Yamashita , Masaki Hayashi , Eriya Harada , Masatoshi Yamaguchi , Hiroki Nagai , Yoshio Tomiyama , Katsuhiko Uemura
IPC分类号： B60K11/08 , B62D5/04 , B60K11/06
CPC分类号： B62D5/0463 , B60K11/08 , B62D5/04
摘要： A working vehicle with power steering, having a substantially closed accommodating space defined by an engine hood and a control panel, an engine disposed in the accommodating space and a steering shaft disposed in the control panel. A cooling fan produces cooling air flows moving toward the engine from an air intake formed in the control panel. A power steering apparatus for supplying steering assist power to the steering shaft, and a control unit for controlling the power steering apparatus, are arranged in the accommodating space to be exposed to the cooling air flows.
摘要翻译：具有动力转向的工作车辆，具有由发动机罩和控制面板限定的基本封闭的容纳空间，设置在容纳空间中的发动机和设置在控制面板中的转向轴。冷却风扇从形成在控制面板上的进气口产生朝向发动机移动的冷却空气流。用于向转向轴提供转向辅助动力的动力转向装置和用于控制动力转向装置的控制单元布置在容纳空间中以暴露于冷却空气流。

4. 发明授权

US6122903A Apparatus for raising and lowering a mower unit 失效
标题翻译：用于升降割草机单元的装置
公开(公告)号：US6122903A
公开(公告)日：2000-09-26
申请号：US957799
申请日：1997-10-24
申请人： Masaki Hayashi , Masatake Murakawa , Kazuaki Kurohara , Nobuyuki Yamashita , Mikio Yuki , Eriya Harada
发明人： Masaki Hayashi , Masatake Murakawa , Kazuaki Kurohara , Nobuyuki Yamashita , Mikio Yuki , Eriya Harada
IPC分类号： A01D34/64 , A01D34/74
CPC分类号： A01D34/74 , A01D2101/00 , Y10S56/22
摘要： An apparatus for raising and lowering a mower unit, having a control lever movable between a first terminal position and a second terminal position for raising and lowering the mower unit, a link mechanism for raising the mower unit with movement from the first terminal position to the second terminal position of the control lever, a first stopper for holding the control lever in the first terminal position, a second stopper for holding the control lever in the second terminal position, and an assist mechanism for applying a force to the link mechanism to raise the mower unit only when the control lever is located between the first terminal position and the second terminal position.
摘要翻译：一种用于升降割草机单元的装置，具有可在第一端子位置和第二端子位置之间移动的用于升降割草机单元的控制杆，用于使割草机单元从第一端子位置移动到控制杆的第二端子位置，用于将控制杆保持在第一端子位置的第一止动件，用于将控制杆保持在第二端子位置的第二止动件和用于向连杆机构施加力的辅助机构，以提升割草机单元仅在控制杆位于第一端子位置和第二端子位置之间时才进行。

5. 发明授权

US5560188A Lawn tractor having a blower unit and a grass clippings transport duct 失效
标题翻译：草坪拖拉机有吹风机单元和草屑运输管道
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。

6. 发明授权

US5718303A Engine hood construction of work vehicle 失效
标题翻译：发动机罩构造工作车
公开(公告)号：US5718303A
公开(公告)日：1998-02-17
申请号：US557944
申请日：1995-11-14
申请人： Hiroyuki Ogasawara , Mikio Yuki , Akira Minoura , Kazuaki Kurohara , Masaki Hayashi , Katsuhiko Uemura , Eriya Harada
发明人： Hiroyuki Ogasawara , Mikio Yuki , Akira Minoura , Kazuaki Kurohara , Masaki Hayashi , Katsuhiko Uemura , Eriya Harada
IPC分类号： B62D25/10
CPC分类号： B62D25/10
摘要： An engine hood construction for a work vehicle is disclosed. The engine hood is vertically separatable into a lower hood section and an upper hood section. The lower hood section is fixedly attachable to and detachable from a vehicle frame, and the upper hood section is attached to the vehicle frame to be pivotably and vertically opened and closed relative to the frame. A control panel is provided at a rear portion of the engine hood and forming a rear wall of an engine room. The control panel has a forwardly opened hook shape in a plan view. The construction further includes a connecting arrangement for fixedly connecting the lower hood section to the vehicle frame and engaging members for enabling the lower hood section to be engaged with the control panel along a fore-and-aft direction of the vehicle when the connecting arrangement is not connected.
摘要翻译：公开了一种用于工作车辆的发动机罩结构。发动机罩可垂直分离成下罩部和上罩部。下罩部可固定地附接到车架上并且可从车架拆卸，并且上罩部被安装到车架上以相对于车架枢转和垂直地打开和关闭。控制面板设置在发动机罩的后部并形成发动机室的后壁。控制面板在俯视图中具有向前打开的钩形状。该结构还包括用于将下罩部与车架固定连接的连接装置，以及当连接装置是在车辆前后方向上时，能够使下罩部与车身前后方向接合的接合部件未连接。

7. 发明授权

US5207187A Air cooling system for a vertical engine 失效
标题翻译：垂直发动机的空气冷却系统
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。

8. 发明授权

US4926624A Lawn mower 失效
公开(公告)号：US4926624A
公开(公告)日：1990-05-22
申请号：US333753
申请日：1989-04-03
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
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 grass collecting containers each defining a top opening for receiving grass clippings sent through the discharge duct. The containers are supported by an E-shaped frame connected to, and retained by pins in, open rear ends of right and left pipe frames extending rearwardly and then upwardly from a mower body. The E-shaped frame engages the open rear ends of the pipe frames to interconnect the rear ends with a selected spacing therebetween.

9. 发明授权

US5873224A Power transmitting structure for a self-propelling vehicle having a working implement 失效
标题翻译：具有工作工具的自推进车辆的动力传递结构
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。

10. 发明授权

US4903469A Lawn mower 失效
标题翻译：割草机
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。

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