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    • 8. 发明授权
    • Automatic control and antibacklash system
    • 自动控制和防盗系统
    • US3707978A
    • 1973-01-02
    • US3707978D
    • 1971-09-24
    • BETA CORP
    • VOLK J
    • F16K31/00F16K31/12
    • F16K31/00Y10T137/0324Y10T137/7761
    • This invention relates to a system for controlling the rate of fluid flow within close tolerances while providing correction for backlash and includes mechanical means for controlling the rate of fluid flow, means for indicating the rate of fluid flow relative to prescribed limits, means for increasing the rate of fluid flow when the rate drops below the lower limit, and means for decreasing the rate of fluid flow when the rate goes above the upper limit. An antibacklash network is provided for removing slack or backlash in the mechanical control means whenever it, in making a correction, is made to operate in a reverse direction. The system further includes means for signalling malfunctions in the fluid system and for measuring the quantity of fluid flowing through the system.
    • 本发明涉及一种用于在精确公差范围内控制流体流量的系统,同时提供对齿隙的校正,并且包括用于控制流体流量速率的机械装置,用于指示相对于规定极限的流体流动速率的装置, 当速率低于下限时的流体流速,以及当速率超过上限时降低流体流速的装置。 只要在进行校正时使其在相反的方向上工作,就提供了一种用于消除机械控制装置中的松弛或间隙的防撬网。 该系统还包括用于在流体系统中发信号故障并且用于测量流过系统的流体的量的装置。