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    • 73. 发明授权
    • Bicycle enabling a substantially full length prone riding position
    • 自行车能够实现全长的乘坐位置
    • US4248448A
    • 1981-02-03
    • US52409
    • 1979-06-27
    • Igor Dmitrowsky
    • Igor Dmitrowsky
    • B62K3/00B60K13/00
    • B62K3/005
    • A bicycle having a frame extended rearwardly and beyond the rear wheel of the bicycle provided in the extended portion with a pedal crank driven sprocket connected by an endless drive chain with a sprocket gear carried by the rear wheel, the extended portion being in one form of the invention an integral part of the frame, or being in a modified form of the invention an accessory unit separably attachable to the conventional frame of a bicycle, in which modified form the sprocket gear is connectible by the drive chain, at the election of the rider, with either the pedal crank driven sprocket in the accessory unit or with the normal pedal crank driven sprocket in the conventional frame.
    • 一种自行车,其具有向后延伸并且超过所述自行车后轮的框架,所述车架设置在所述延伸部分中,所述踏板曲柄从动链轮由具有由所述后轮承载的链轮齿轮的环形驱动链连接,所述延伸部分处于 本发明是框架的整体部分,或者是本发明的改进形式,可分离地附接到自行车的传统框架的附件单元,其中链轮齿轮由变速链可连接的修改形式,在选择 骑手与辅助单元中的踏板曲柄从动链轮或常规框架中的普通踏板曲柄从动链轮相连。
    • 74. 发明授权
    • Underwater tractor and intake and exhaust means therefor
    • 水下拖拉机和排气和排气是指这样的
    • US4026376A
    • 1977-05-31
    • US564239
    • 1975-04-02
    • James E. Gee
    • James E. Gee
    • B60F3/00E02F3/88E02F3/92E02F5/00B60K13/00
    • E02F3/9212B60F3/0053E02F3/8858E02F3/9237E02F5/006
    • A tractor includes an internal combustion engine and is adapted for underwater operation, with inlet and outlet means extending to above the surface of the water for supplying air to the engine and exhausting combustion gas therefrom. A dredging implement in the form of a blade and auger, directs material from the floor to adjacent one end of a conduit means as the vehicle is transported over the floor. An impeller associated with the conduit means transports the material therethrough and from the other end of the conduit means, which is positioned above the surface of the water. The dredging implement may alternatively take the form of a pair of wing members, each angled upwardly and inwardly in the rearward direction to direct material to adjacent the one end of the conduit means. Means remote from the vehicle, and positionable on shore, are included for operating the submerged tractor.
    • 拖拉机包括内燃机并且适用于水下操作,其中入口和出口装置延伸到水表面上方,用于向发动机提供空气并从其中排出燃烧气体。 一种叶片和螺旋钻形式的挖泥工具,当车辆在地板上运输时,将物料从地板引导到管道装置的相邻一端。 与管道装置相关联的叶轮将材料输送通过其中并且位于导管装置的位于水表面上方的另一端。 疏浚工具可以替代地采取一对翼构件的形式,每个翼构件在向后方向上向上和向内倾斜以将材料引导到邻近管道装置的一端。 包括远离车辆并且可以在岸上定位的装置用于操作浸没式拖拉机。
    • 75. 发明授权
    • Automatic cranking system for providing power assist upon vehicle engine stall
    • 汽车起重机自动起重系统
    • US3715005A
    • 1973-02-06
    • US3715005D
    • 1971-09-01
    • GEN MOTORS CORP
    • BYRAM RCULVER MVAN OSTROM D
    • F02N15/00B60K13/00
    • F02N15/00
    • A system for energizing the vehicle engine starter motor when the vehicle engine stalls while the vehicle is at a speed greater than a predetermined minimum so as to maintain the operation of the vehicle engine driven accessories. A vehicle speed switch maintains the output of a summing junction, which output constitutes the input to a power switch, at ground so as to inhibit the power switch when the vehicle speed is below the predetermined speed and switches to supply a positive current signal to the summing junction at speeds equal to or greater than the predetermined speed. A vehicle engine speed tachometer supplies a negative current signal to the summing junction having a magnitude related to engine speed. The net current output of the summing junction when the vehicle engine speed is at or above the minimum engine idle speed, is insufficient to energize the power switch. When the engine speed decreases below the minimum idle speed, the net current output of the summing junction increases to energize the power switch which in turn energizes the vehicle starter solenoid. The vehicle starter motor cranks the vehicle engine so as to maintain the operation of the engine driven accessories while the vehicle speed is above the predetermined minimum speed.
    • 一种当车辆发动机在车辆处于大于预定最小值的速度下停止时使车辆发动机起动电动机通电,以保持车辆发动机驱动的附件的运行的系统。 车速开关将输出构成电源开关的输入的求和结的输出保持在地,以便当车速低于预定速度时禁止电源开关,并切换到向正向电流信号提供正电流信号 以等于或大于预定速度的速度求和结。 车辆发动机速度转速计向负载电流信号提供具有与发动机转速相关的量值的求和点。 当车辆发动机转速等于或高于最低发动机怠速时,求和点的净电流输出不足以为电力开关通电。 当发动机转速降低到最低怠速速度以下时,求和点的净电流输出增加,以激励电源开关,从而使电动开关螺线管通电。 车辆起动电动机曲柄车辆发动机,以便在车速高于预定的最小速度时保持发动机驱动的附件的操作。