Have and force down the method and apparatus that fast continuous flow is transformed into high-speed pulse liquid stream

Have and force down the method and apparatus that fast continuous flow is transformed into high-speed pulse liquid stream

  • CN 1,062,681 A
  • Filed: 09/10/1991
  • Published: 07/15/1992
  • Est. Priority Date: 09/10/1990
  • Status: Abandoned Application
First Claim
Patent Images

1. , be used for pressurization low speed continuous flow is transformed into the device of high speed discontinuous pulses liquid stream, comprise the elastic tube of a lock ring on rigid core, described elastic tube has the end that is fixed on this rigid core than the fuse position of its big external diameter by lock ring, wherein inlet cylindraceous and liquid outlet and the perforation around it in one end sealing are arranged at described fuse, tightly be wrapped in by described elastic tube in described perforation place and form normally closed set pressure responsive valves, cut off the liquid stream that flows through described hole, when the fluid pressure at the inlet place of described device is high enough to make described elastic tube expansion, then liquid flows to the inside into the described elastic tube of cavity around the fuse and sealing, when described cavity inside liquid flow volume and pressure increase, described cavity inside fluid pressure increases and makes at the elastic tube in above-mentioned cavity exit to be expanded, then, liquid stream goes out described cavity in described fuse liquid outlet section by the orifice flow on cylindric, consequently reduce at described cavity liquid outlet pressure, increase at described cavity inside pressure, make elastic tube produce further expansion, thereby produce bigger opening at the liquid outlet of described cavity, when liquid stream continuously flows into described cavity by the device inlet with low-speed flow, liquid stream sprays with high velocity liquid stream from above-mentioned cavity and said apparatus liquid outlet by above-mentioned hole, its as a result liquid stream be to continuously flow into device with low speed, with cutout between high-speed pulse from device ejection.

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