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公开(公告)号：WO0184001A3
公开(公告)日：2002-05-23
申请号：PCT/US0114383
申请日：2001-05-02
Applicant: MTD PRODUCTS INC
Inventor： PIERCE MARTY , PLAS MATTHEW JOHN
CPC classification number: A01D34/64 , A01D2101/00 , B60G17/019 , B60G2300/084 , B60G2400/34 , B60G2401/172 , B60G2800/95 , B60K26/02 , B60K28/10 , B60Y2200/221 , B60Y2200/223 , B62D21/186 , F15B13/01 , F15B13/0402 , Y10T74/2054
Abstract: A control valve (11) and feedback system has three operating states including a lifting state, a neutral state, and a lowering state. The feedback control system comprises a cylinder (40), a pump (38), a reservoir (42) for holding working fluid, and a control valve. The valve body (12) further comprises an inlet port (16), a return port (18), a first work port (36) and a second work port (20). The control valve is plumbed backwards so that the first work port and the second work port are in fluid communication in the lowering state. The valve also comprises a check valve (30) disposed in the first work port. The first check valve is adapted to achieve the neutral state and being selectively adjustable to achieve said lowering state.
Abstract translation: 控制阀（11）和反馈系统具有三个操作状态，包括提升状态，中立状态和下降状态。 反馈控制系统包括气缸（40），泵（38），用于保持工作流体的储存器（42）和控制阀。 阀体（12）还包括入口（16），返回端口（18），第一工作端口（36）和第二工作端口（20）。 控制阀向后倾斜，使得第一工作端口和第二工作端口在下降状态下处于流体连通状态。 阀还包括设置在第一工作口中的止回阀（30）。 第一止回阀适于实现中性状态并且可选择性地调节以实现所述降低状态。
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公开(公告)号：WO0161216A2
公开(公告)日：2001-08-23
申请号：PCT/US0105095
申请日：2001-02-14
Applicant: MTD PRODUCTS INC , EDWARDS DOUGLAS F , PLAS MATTHEW J , PIERCE MARTY , CRAWFORD PAUL
Inventor： EDWARDS DOUGLAS F , PLAS MATTHEW J , PIERCE MARTY , CRAWFORD PAUL
CPC classification number: F16H59/36
Abstract: A transmission is provided that can be selectively installed in a lawn care vehicle for use with a plurality vehicle engines. The transmission includes a sensor and a control device for reading the rotational motion of a transmission gear and calculating the RPM s of the vehicle engine based upon the sensor data. The transmission also includes a bi-directional overrunning clutch that is received within a power input gear and an electric clutch brake assembly that is aligned with a bearing member that is partially received by the transmission housing. The transmission includes a stackable pump for use in powering auxiliary equipment. Additional hydraulic pumps can be stacked onto existing units to increase the hydraulic output capacity of the transmission.
Abstract translation: 提供了可以选择性地安装在用于多车辆发动机的草坪护理车辆中的变速器。 变速器包括传感器和用于读取变速齿轮的旋转运动并基于传感器数据计算车辆发动机的RPMs的控制装置。 传动装置还包括一个双向超越离合器，其被接收在动力输入齿轮内，而电动离合器制动组件与轴承部件对准，该轴承部件被变速器壳体部分地接收。 变速器包括用于为辅助设备供电的可堆叠泵。 额外的液压泵可以堆放在现有的单元上，以增加变速器的液压输出能力。
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公开(公告)号：AU6117401A
公开(公告)日：2001-11-12
申请号：AU6117401
申请日：2001-05-02
Applicant: MTD PRODUCTS INC
Inventor： PIERCE MARTY , PLAS MATTHEW JOHN
Abstract: A control valve and feedback system has three operating states including a lifting state, a neutral state, and a lowering state. The feedback control system comprises a cylinder, a pump, a reservoir for holding working fluid, and a control valve. The control valve comprises a valve body having first and second ends with a bore defined therebetween. The valve body further comprises an inlet port, a return port, a first work port and a second work port. The inlet port, return port, and first and second work ports are defined in the valve body. The inlet port communicates with the bore and the pump. The return port is in fluid communication with the bore and the reservoir. The first work port is also in communication with the bore and the cylinder in the lifting state. The control valve is plumbed backwards so that the first work port and the second work port are in fluid communication in the lowering state. The valve also comprises a check valve disposed in the first work port. The first check valve is adapted to achieve the neutral state and being selectively adjustable to achieve said lowering state.
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公开(公告)号：AU4152801A
公开(公告)日：2001-08-27
申请号：AU4152801
申请日：2001-02-14
Applicant: MTD PRODUCTS INC
Inventor： EDWARDS DOUGLAS F , PLAS MATTHEW J , PIERCE MARTY , CRAWFORD PAUL
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