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Rotary fluid-handling mechanism

  • US 4,634,356 A
  • Filed: 03/19/1986
  • Issued: 01/06/1987
  • Est. Priority Date: 12/12/1984
  • Status: Expired due to Term
First Claim
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1. Rotary fluid-handling mechanism, comprising a rotor cylindrically recessed internally from one end therof and provided with power transfer means;

  • a stationary cylinder closely and sealingly fitted within the rotor recess;

    means for fixedly mounting said cylinder relative to said rotor;

    means holding said rotor on said cylinder;

    at least one pair of oppositely disposed, helically oriented cavities in the rotor, opening at the interior cylindrical surface thereof in confronting relationship with the cylindrical surface of said stationary cylinder;

    at least one corresponding pair of blades;

    means independently rotatably mounting said blades within and at diametrically opposite sides of said stationary cylinder on respective axes at right angles to the axis of rotation of said rotor, so portions thereof will enter and pass through the respective cavities during synchronized rotation of said blades and said rotor;

    means for synchronizing rotation of said blades and said rotor;

    means for providing inflow of fluid internally of said mechanism into the paths of advancing movement of said blades within said cavities; and

    means for the discharge from the mechanism of fluid acted upon by said blades;

    said means for synchronizing comprising a single shaft extending axially in the stationary cylinder;

    means in said cylinder journaling said shaft, and gearing interconnecting said shaft and said means mounting said blades; and

    said means for providing inflow of fluid internally of the mechanism including diametrically opposite passages flanking said shaft and said synchronizing means and extending from inflow ports at one end of the stationary cylinder along said shaft toward the opposite end of said cylinder.

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