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    TRANSPORT VALVE SYSTEM FOR OUTDOOR POWER EQUIPMENT
    4.
    发明申请
    TRANSPORT VALVE SYSTEM FOR OUTDOOR POWER EQUIPMENT 审中-公开

    公开(公告)号：US20180252190A1

    公开(公告)日：2018-09-06

    申请号：US15909032

    申请日：2018-03-01

    Applicant: Briggs & Stratton Corporation

    Inventor： David Roth

    IPC: F02M37/00 ,  F02D31/00 ,  F02B63/00 ,  F02B61/00

    CPC classification number: F02M37/007 ,  F02B61/00 ,  F02B63/00 ,  F02D31/002 ,  F02D31/007 ,  F02D41/067 ,  F02P15/006

    Abstract: An engine including a fuel tank, a carburetor, a speed control lever, and a transport valve. The carburetor includes a throttle valve movable between a first throttle position and a second throttle position. The speed control lever is coupled to the throttle valve and is movable between a first position corresponding to the first throttle position and a second position corresponding to the second throttle position. The transport valve is fluidly coupled between the fuel tank and the carburetor, and includes a valve element moveable between an open valve position allowing fuel flow between the fuel tank and the carburetor, and a closed valve position preventing fuel flow between the fuel tank and the carburetor. Movement of the speed control lever to the second position moves the valve element to the closed valve position to stop fluid flow between the fuel tank and the carburetor.

    Systems and methods for setting engine speed relative to operator demand
    6.
    发明授权
    Systems and methods for setting engine speed relative to operator demand 有权

    公开(公告)号：US09682760B1

    公开(公告)日：2017-06-20

    申请号：US14684952

    申请日：2015-04-13

    Applicant: Brunswick Corporation

    Inventor： William P. O'Brien ,  Jason S. Arbuckle ,  Andrew J. Przybyl

    IPC: G06F19/00 ,  B63H21/21 ,  F02D11/10 ,  F02D9/02

    CPC classification number: B63H21/21 ,  B63H2021/216 ,  F02D11/105 ,  F02D31/002 ,  F02D41/2451 ,  F02D2041/141

    Abstract: A method for setting an engine speed of an internal combustion engine in a marine propulsion device to an engine speed setpoint includes receiving an operator demand from an input device and learning an adapted maximum engine speed. An engine speed setpoint is calculated by scaling the adapted maximum engine speed relative to the operator demand. The method includes predicting a position of a throttle valve of the engine that is needed to achieve the engine speed setpoint, and determining a feed forward signal that will move the throttle valve to the predicted position. A marine propulsion system has an electronic control unit that learns the adapted maximum engine speed, calculates the engine speed setpoint by scaling the adapted maximum engine speed relative to the operator demand, predicts the position of the throttle valve, and determines the feed forward signal that will move the throttle valve to the predicted position.

    Engine-Driven Working Machine
    9.
    发明申请
    Engine-Driven Working Machine 审中-公开

    公开(公告)号：US20170101943A1

    公开(公告)日：2017-04-13

    申请号：US15287764

    申请日：2016-10-07

    Applicant: YAMABIKO CORPORATION

    Inventor： Minoru Kuroiwa ,  Ryota Yokouchi

    IPC: F02D31/00 ,  B27B17/08 ,  B25F5/00 ,  F02B63/02 ,  F02N15/10

    CPC classification number: F02D31/002 ,  B25F5/001 ,  B27B17/08 ,  F02B63/02 ,  F02D31/001 ,  F02D41/0097 ,  F02D41/06 ,  F02D2400/06 ,  F02D2700/02 ,  F02N15/10

    Abstract: To satisfy both a request for ensuring worker's safety at the engine start and a worker's request for promptly starting a work, on the premise of a working machine including an engine RPM suppression mode.A working machine (1) has a centrifugal clutch (6). The engine RPM suppression mode is executed at the start of an internal combustion engine (2). With the RPM suppression mode, the RPM of the internal combustion engine (2) is controlled not to exceed a clutch-in RPM. The working machine (1) has a mode cancelling means (S5) canceling the engine RPM suppression mode when a predetermined mode cancelation condition for cancelling the engine RPM suppression mode is satisfied, and a cancellation condition changing means (S2) changing the mode cancelation condition depending on a change in an engine operational state and/or an environment.

    Systems and Methods for Controlling Shift in Marine Propulsion Devices
    10.
    发明申请
    Systems and Methods for Controlling Shift in Marine Propulsion Devices 有权
    控制船舶推进装置换档的系统和方法

    公开(公告)号：US20150112521A1

    公开(公告)日：2015-04-23

    申请号：US14587113

    申请日：2014-12-31

    Applicant: Brunswick Corporation

    Inventor： Thomas S. Kirchhoff ,  David G. Camp

    IPC: B63H21/21

    CPC classification number: B63H21/213 ,  B63H21/21 ,  B63H21/22 ,  B63H2021/216 ,  F02B61/045 ,  F02D11/02 ,  F02D31/002 ,  F02D41/0225 ,  F02D41/023 ,  F02D2200/0404 ,  Y10T477/675 ,  Y10T477/677

    Abstract: Systems and methods are for controlling shift in a marine propulsion device. A shift sensor outputs a position signal representing a current position of a shift linkage. A control circuit is programmed to identify an impending shift change when the position signal reaches a first threshold and an actual shift change when the position signal reaches a second threshold. The control circuit is programmed to enact a shift interrupt control strategy that facilitates the actual shift change when the position signal reaches the first threshold, and to actively modify the first threshold as a change in operation of the marine propulsion device occurs.

    Abstract translation: 系统和方法用于控制船用推进装置的换档。 换档传感器输出表示换档联动件的当前位置的位置信号。 控制电路被编程为当位置信号达到第一阈值时识别即将发生的换档变化，并且当位置信号达到第二阈值时，实际换档改变。 控制电路被编程为执行一个换档中断控制策略，当位置信号达到第一阈值时便有利于实际换档，并且随着船用推进装置的操作变化而主动地修改第一阈值。

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