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    • 23. 发明授权
    • Method and apparatus for reducing torque changes in rock shafts
    • 减少岩石圈扭矩变化的方法和装置
    • US3595136A
    • 1971-07-27
    • US3595136D
    • 1969-05-02
    • OWENS CORNING FIBERGLASS CORP
    • PITT RICHARD E
    • F16C7/04F16H39/01F01B31/04
    • F16H39/01F16C7/04
    • A pneumatic cylinder connected between an eccentric on a rock shaft and a structural support, for absorbing energy during one quarter of the cycle of the rock shaft during which it is decelerated, and for putting the absorbed energy back into the rock shaft during the next quarter cycle when it is accelerated. The pneumatic cylinder is preferably a double-acting one with a center port to accomplish the energy absorption and redelivery to the rock shaft, at both ends of the shaft rocking movement. The rate of energy absorption and subsequent reapplication may be controlled by supplying superatmospheric pressure to the center port, and/or by starting the compressive cycle prior to the midpoint of the oscillating cycle. The later is accomplished by using a piston-side port valving arrangement wherein the piston has a length that is a sizable proportion of its stroke. The cylinder may be cooled by utilizing a center exhaust port opposite the inlet port, and causing a continual flow through the low pressure end of the cylinder after the piston has proceeded past the inlet port. Bleeds may be provided at opposite ends of the cylinder to reduce the reapplication force of the cylinder, and adjustable chamber means may also be provided on one or both ends of the cylinder for adjusting the absorption rate.
    • 30. 发明授权
    • Optimized gas-based transmission
    • 优化气体传动
    • US5724811A
    • 1998-03-10
    • US547431
    • 1995-10-24
    • Dale Gibby
    • Dale Gibby
    • F16H39/01F16H61/38F16D39/00
    • F16H61/38F16H39/01
    • A gas-based transmission which has a self-regulating mechanical advantage that is continuously--and, essentially, infinitely variable. A high-pressure reservoir receives either exhaust gas from an engine or air from a compressor that is run by the drive shaft from an engine. A pressure regulator on the output of the high-pressure reservoir controls the engine resistance and decouples the engine from the the drive forces. The pressure can be set at a given level which will approximate the power curve for the engine or can be controlled by a computer so that the engine will produce the power desired by the operator at the lowest engine speed capable of producing such power, i.e., the engine will operate precisely on its power curve. The gas or air passes from the pressure regulator to a variable-pressure reservoir. The variable-pressure reservoir is connected to a gas-operated drive motor so that when the pressure within the variable-pressure reservoir has reached the precise level necessary for the gas-operated drive motor to operate against the existing drive force, the gas or air will begin leaving the variable-pressure reservoir and start rotating the drive shaft of the gas-operated drive motor. The gas or air can be directed through the gas-operated drive motor in a reverse direction to cause the drive shaft to turn in a reverse direction. Braking is accomplished by drawing air into the output of the gas-operated drive motor and conducting it to the high-pressure reservoir. Energy storage is also available.
    • 具有自调节机械优点的基于气体的传动装置,其连续地且基本上无限可变。 高压储存器接收来自发动机的废气或来自由驱动轴从发动机运行的压缩机的空气。 高压油箱输出上的压力调节器控制发动机的阻力并使发动机与驱动力分离。 压力可以设定在给定的水平,其将接近发动机的功率曲线,或者可以由计算机控制,使得发动机将以能够产生这种功率的最低发动机转速产生操作者期望的功率, 发动机将精确地在其功率曲线上运行。 气体或空气从压力调节器传递到可变压力储存器。 可变压力储存器连接到气动驱动马达,使得当可变压力储存器内的压力达到气动驱动马达相对于现有驱动力运行所需的精确水平时,气体或空气 将开始离开可变压力储存器,并开始旋转气动驱动电机的驱动轴。 气体或空气可以反向通过气体驱动的驱动马达,以使驱动轴沿相反的方向转动。 制动通过将空气吸入气体驱动电动机的输出并将其传导到高压容器来实现。 也可提供储能。