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Fluid flow control apparatus for controlling and delivering fluid at a continuously variable flow rate

  • US 6,561,481 B1
  • Filed: 08/13/2001
  • Issued: 05/13/2003
  • Est. Priority Date: 08/13/2001
  • Status: Active Grant
First Claim
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1. A fluid flow control apparatus for controlling and delivering fluid at a continuously variable flow rate, the apparatus comprising:

  • a. a fluid-tight housing;

    b. a valve tube body housed within said fluid-tight housing and extending the length of said fluid-tight housing and out at both ends of said fluid-tight housing;

    c. a female hose connector integrally formed at one end of said valve tube body for connecting to a fluid supply source;

    d. an elongated flexible hose having an outflow end and the other end coupled to the other end of said valve tube body and in-fluid communication with said female hose connector;

    e. a rotatable ball valve installed within said valve tube body and having a rotating shaft extending out from a sidewall of said valve tube body and operationally connected to an electric reversible motor through a coupling member so as to be thereby rotated to continuously and incrementally varying the fluid flow rate through said flexible hose;

    f. an activating switch located at said outflow end of said flexible hose and electrically coupled to said reversible motor, the switch having a forward direction button and a reverse direction button for controlling the direction of said motor; and

    g. means for supplying power to said reversible motor;

    h. whereby said ball valve is rotatable for continuously varying the fluid flow rate through said flexible hose.

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