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Liquid or gas pressure regulating system - uses measurement of power absorbed by compressor motor to indicate instantaneous pressure of fluid
Liquid or gas pressure regulating system - uses measurement of power absorbed by compressor motor to indicate instantaneous pressure of fluid
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机译:液体或气体压力调节系统-使用压缩机电动机吸收的功率测量值来指示流体的瞬时压力
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摘要
The system is designed to regulate non atmospheric pressures which are created or maintained by at least a motor (7) driven pump (3). The system has a device for controlling the pumps motor, and a circuit which automatically measures the load (absorbed power) of the pump motor during its operation. The load measurement is used for indirect measurement of the instantaneous pressure state in a pressure container (1). The system has a valve which is designed to limit the pressure difference from atmospheric. This valve is actuated by the load measuring circuit. A further circuit is used to stop the pump by mechanical or electrical decoupling of the motor from the pump.
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