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公开(公告)号：US4656985A
公开(公告)日：1987-04-14
申请号：US745219
申请日：1985-06-17
Applicant: Bo C. Andreasson , Jan O. Donnerdal , Hans I. Strom
Inventor： Bo C. Andreasson , Jan O. Donnerdal , Hans I. Strom
CPC classification number: B23Q15/007 , B27B17/083 , F02P1/08 , F02P11/02 , F02P5/1502 , F02P5/1504 , F02P9/002 , Y02T10/46
Abstract: Upon a kick-back of a motor saw, energy is transferred from the rotating parts of the engine into energy which generates the kick-back. This causes a tremendous decrease of the r.p.m. of the engine. In the saw there is an electronic control comprising a timer which measures the r.p.m. of the engine. During certain intervals the difference in r.p.m. is computed with respect to previous intervals and if the r.p.m. has decreased more than a predetermined value, a sensor in the electronic control emits a signal which releases an electrically controlled chain brake for stopping the chain.
Abstract translation: 在马达锯的倒退时，能量从发动机的旋转部分转移到产生反冲的能量中。 这导致r.p.m.的巨大降低。 的发动机。 在锯中有一个电子控制器，它包括测量r.p.m的定时器。 的发动机。 在一定间隔内，r.p.m. 相对于以前的间隔计算，如果r.p.m. 电子控制器中的传感器发出释放用于停止链条的电控链式制动器的信号。
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公开(公告)号：US4597373A
公开(公告)日：1986-07-01
申请号：US679378
申请日：1984-12-07
Applicant: Bo C. Andreasson
Inventor： Bo C. Andreasson
CPC classification number: F02P15/008 , F02P11/00
Abstract: A system for the automatic recommencing of the ignition function of an i.c. engine with a computer controlled ignition system. The system includes an oscillator which occasionally can stop working. An RC-circuit is charged by ignition pulses supplied by the micro-computer and is discharged by possible failure of these pulses. A sensing circuit influenced by the RC-circuit thereby supplies a reset pulse to the computer which then recommences the supply of ignition pulses.
Abstract translation: 一种用于自动重新启动点火功能的系统。 发动机配有电脑控制点火系统。 该系统包括有时可以停止工作的振荡器。 RC电路由微型计算机提供的点火脉冲进行充电，并通过这些脉冲的可能故障进行放电。 由RC电路影响的感测电路因此向计算机提供复位脉冲，然后重新开始点火脉冲的供给。
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公开(公告)号：US4706640A
公开(公告)日：1987-11-17
申请号：US885408
申请日：1986-07-14
Applicant: Bo C. Andreasson
Inventor： Bo C. Andreasson
IPC: F02P1/08
CPC classification number: F02P1/083
Abstract: A magnetic ignition system with an ignition coil primary circuit having an ignition switch is controlled by a control switch to break at a given ignition time so that an ignition voltage is induced in the secondary circuit. A signal is delivered by a control circuit between the voltage supply and earth via resistors to a control switch at the ignition time. The control circuit serves the functions of voltage limiting and prevention of double spark (retriggering).
Abstract translation: 具有点火开关的点火线圈一次回路的磁点火系统由控制开关控制，在给定的点火时间断开，从而在二次回路中引起点火电压。 信号由控制电路在电源和接地之间通过电阻器传送到点火时间的控制开关。 控制电路具有电压限制和防止双重火花（再触发）功能。
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公开(公告)号：US4653189A
公开(公告)日：1987-03-31
申请号：US745218
申请日：1985-06-17
Applicant: Bo C. Andreasson
Inventor： Bo C. Andreasson
CPC classification number: F02P9/005 , B27B17/083 , Y10S83/01
Abstract: An electro-mechanical brake in a motor saw requires electric energy for the operation of the brake. This energy can, according to the invention, be surplus energy in the ignition system of the saw. Surplus energy exists usually only when the r.p.m. exceeds a certain value. A capacitor is charged by current from the system and is prepared to discharge through a coil to actuate the brake on a signal from a kickback sensor.
Abstract translation: 马达锯中的机电制动器需要用于制动器操作的电能。 根据本发明，这种能量可以是锯的点火系统中的剩余能量。 剩余能量通常只有当r.p.m. 超过一定价值。 电容器通过来自系统的电流进行充电，并准备通过线圈放电以对来自反冲传感器的信号致动制动器。
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公开(公告)号：US5263451A
公开(公告)日：1993-11-23
申请号：US943292
申请日：1992-09-10
Applicant: Bo C. Andreasson
Inventor： Bo C. Andreasson
Abstract: In a method of controlling the point of ignition and/or air-fuel mixture of an i. c. engine, a signal circuit is used for emitting a signal indicating abnormal combustion or disturbance, and the first derivative of the spark current is used for the detection. According to the invention, the average peak value of the first derivative of the spark current is a reference value of the detection, and the actual signal of the derivative of the spark current is compared via a voltage divider and a comparator circuit with said average peak value, whereby detection is obtained when the signal from the voltage divider exceeds said average peak value.
Abstract translation: 在控制i的点火和/或空气 - 燃料混合物的方法中， C。 引擎，信号电路用于发出指示异常燃烧或干扰的信号，并且使用火花电流的一阶导数进行检测。 根据本发明，火花电流的一阶导数的平均峰值是检测的参考值，并且通过分压器和比较器电路将火花电流的导数的实际信号与所述平均峰值进行比较 值，从而当来自分压器的信号超过所述平均峰值时获得检测。
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Patent Agency Ranking
公开(公告)号：US4692753A
公开(公告)日：1987-09-08
申请号：US674071
申请日：1984-11-23
Applicant: Bo C. Andreasson , Bo R. Rangert
Inventor： Bo C. Andreasson , Bo R. Rangert
IPC: F02P3/08 , F02P5/145 , F02P5/15 , F02P5/155 , F02P11/00 , F02P17/00 , F02P17/12 , G01P1/10 , G01P3/48 , G08B21/00
CPC classification number: G01P3/4807 , F02P17/00 , G01P1/10
Abstract: The invention relates to an indicator controlled by the ignition system of an i.c. engine, so that the indicator, e.g. an LED, makes an indication when the engine is adjusted to an appropriate idle r.p.m. or race r.p.m. As the carburetor is calibrated against such selected and adjusted r.p.m. the said adjustment will bring about a minimum of exhaust gases.
Abstract translation: 本发明涉及由点火系统控制的指示器。 发动机，使得指示器，例如。 当发动机调整到适当的空转速度时，LED指示灯。 或种族r.p.m. 当化油器按照这种选择和调节的r.p.m进行校准。 所述调整将产生最少的废气。
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公开(公告)号：US4562811A
公开(公告)日：1986-01-07
申请号：US540343
申请日：1983-10-11
Applicant: Bo C. Andreasson
Inventor： Bo C. Andreasson
CPC classification number: F02P1/08
Abstract: An electronic circuit device for ignition pulses for an i.c. engine having a two- or three pole magnetic system generating positive and negative pulses. One of the pulses is used for ignition energy and the other for power supply of electronic equipment. As a reference point for ignition advance calculation is the peak of said power supplying pulses used. An oscillator (36) supplies a pulse frequency many times higher than the r.p.m. of the engine. A peak detector (14) and said oscillator are connected to a pulse counter (39) which after a predetermined number of pulses from the reference point releases a trigger pulse for the ignition energy. A logic unit (12) sets the counter on the predetermined number in dependence of the r.p.m. of the engine.
Abstract translation: 一种用于点火脉冲的电子电路装置。 发动机具有产生正和负脉冲的二或三极磁系统。 其中一个脉冲用于点火能量，另一个用于电子设备的电源。 作为点火提前计算的参考点是所使用的所述供电脉冲的峰值。 振荡器（36）提供比r.p.m高多倍的脉冲频率。 的发动机。 峰值检测器（14）和所述振荡器连接到脉冲计数器（39），脉冲计数器（39）在来自参考点的预定数量的脉冲之后释放用于点火能量的触发脉冲。 逻辑单元（12）根据r.p.m将计数器设置在预定数量上。 的发动机。
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公开(公告)号：US4944897A
公开(公告)日：1990-07-31
申请号：US306806
申请日：1989-02-03
Applicant: Bo C. Andreasson
Inventor： Bo C. Andreasson
CPC classification number: F02M17/04 , F02M15/00 , F02M37/20 , F02M5/10 , F02D2200/0606 , Y10S261/68 , Y10S261/81
Abstract: An arrangement for limiting the temperature in a carburetor etc. of an engine prevents evaporation of fuel at a temporary stop in the operation of the engine. A receptacle (30) integrated with the carburetor contains a material (31), e.g. paraffin, with a melting point over the normal operating temperature. At a temperature above this melting point the material absorbs melting heat from the environment causing a limitation of the temperature. In this limited temperature the fuel evaporates much slower and a direct start with the remaining fuel after the operating stop is quite possible.
Abstract translation: 用于限制发动机的化油器等中的温度的装置可防止在发动机运转中暂时停止燃料的蒸发。 与化油器一体化的容器（30）包含材料（31），例如 石蜡，熔点超过正常工作温度。 在高于该熔点的温度下，材料吸收来自环境的熔化热导致温度的限制。 在这个有限的温度下，燃料蒸发速度要慢得多，而在运行停止之后，剩余燃料就可以直接开始。
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公开(公告)号：US4841920A
公开(公告)日：1989-06-27
申请号：US23539
申请日：1987-03-09
Applicant: Bo C. Andreasson , Soren N. Henriksson , Lars-Olof Karreman
Inventor： Bo C. Andreasson , Soren N. Henriksson , Lars-Olof Karreman
CPC classification number: F02B63/02 , F01P5/06 , F02M35/06 , F02B2075/025
Abstract: A motor saw wherein combustion air is drawn via a port tangentially located at the fan wheel in the fan housing of the motor saw. The combustion air is taken from an air stream in circulation from an air inlet at the top surface of the motor saw body where the concentration of pollutants is low. Pollutants are separated by the centrifugal effect of the fan before the air gets into the port. The cooling capacity of the air stream is completed with further cooling air from a second inlet. The combustion air can be pre-heated in a heating loop.
Abstract translation: 一种电动锯，其中燃烧空气经由切向位于马达锯的风扇壳体中的风扇叶轮处的端口被拉出。 燃烧空气从污染物浓度低的电动锯体顶面的进气口从循环中流出。 在空气进入港口之前，污染物被风扇的离心效应分离。 空气流的冷却能力由来自第二入口的另外的冷却空气完成。 燃烧空气可以在加热回路中预热。
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10.发明授权Actuator for the release of an automatic emergency brake of a hand-operated powered tool 失效用于释放手动动力工具的自动紧急制动器的执行器
公开(公告)号：US4573556A
公开(公告)日：1986-03-04
申请号：US599730
申请日：1984-04-12
Applicant: Bo C. Andreasson
Inventor： Bo C. Andreasson
CPC classification number: F16P7/02 , B27B17/083 , F16D59/00
Abstract: Actuator for the release of automatic emergency brakes of hand-operated, powered tools, such as chain saws, having a driving shaft for the tool. Such emergency brakes are constituted of a brake mechanism released by means of stored energy. The actuator is constituted of a rotatable and balanced body with a small amount of friction on a shaft situated essentially parallel to the driving shaft. The actuator is fabricated of a permeable material, and has a mass having an essential inertia against rotation on the shaft. The actuator cooperates firstly with a magnet retaining the actuator with a predetermined magnetic force against rotation in an angular position of the actuator, and then with a sensor which is so arranged that an impulse for releasing the brake mechanism is given as soon as the actuator comes out of said angular position.
Abstract translation: 用于释放手动，动力工具如链锯的自动紧急制动器的致动器，具有用于该工具的驱动轴。 这种紧急制动器由通过储能释放的制动机构构成。 致动器由基本上平行于驱动轴的轴上的具有少量摩擦的可旋转和平衡的主体构成。 致动器由可渗透材料制成，并且具有抵抗轴上旋转的基本惯性的质量。 执行器首先与保持致动器的磁体配合，以防止在致动器的角位置中旋转的预定磁力，然后使用传感器，其被布置成一旦致动器到来就给出用于释放制动机构的脉冲 在所述角位置之外。
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