Rotary positive-displacement scavenging device for rotary vane pumping machine
First Claim
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1. A rotary vane pumping machine comprising:
- a stator assembly comprising an annular ring, the inner circumferential surface of the annular ring defining a contoured surface of a stator cavity;
a rotor spinning around a rotor shaft axis, the rotor shaft axis being a fixed rotational axis relative to the stator cavity, the rotor having a plurality of radial vane slots and the rotor and stator being in relative rotation;
a plurality of vanes, each of the plurality of vanes extending and retracting within a corresponding one of the radial vane slots of the rotor, wherein a pair of adjacent vanes defines a vane cell; and
a rotary scavenging disk disposed along the annular ring and extending into the vane cell, wherein an outer circumferential edge of the rotary scavenging disk being in sealing proximity with an outer circumferential edge of the rotor, and wherein the rotary scavenging disk contains at least one recess formed along the outer circumferential edge thereof.
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Abstract
A rotary vane pumping machine includes a stator and rotor in relative rotation. The rotor has a plurality of radial vanes slots and each one of a corresponding plurality of vanes slides within a radial vane slot of the rotor. Each pair of adjacent vanes defines a vane cell. A rotary scavenging disk is disposed along the stator circumference, and is sized such that the rotary scavenging disk extends into the vane cell. An outer circumferential edge of the rotary scavenging disk is in sealing proximity with an outer circumferential edge of the rotor and recesses within the rotary scavenging disk mesh and seal with the extending and retracting vanes.
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Citations
16 Claims
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1. A rotary vane pumping machine comprising:
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a stator assembly comprising an annular ring, the inner circumferential surface of the annular ring defining a contoured surface of a stator cavity;
a rotor spinning around a rotor shaft axis, the rotor shaft axis being a fixed rotational axis relative to the stator cavity, the rotor having a plurality of radial vane slots and the rotor and stator being in relative rotation;
a plurality of vanes, each of the plurality of vanes extending and retracting within a corresponding one of the radial vane slots of the rotor, wherein a pair of adjacent vanes defines a vane cell; and
a rotary scavenging disk disposed along the annular ring and extending into the vane cell, wherein an outer circumferential edge of the rotary scavenging disk being in sealing proximity with an outer circumferential edge of the rotor, and wherein the rotary scavenging disk contains at least one recess formed along the outer circumferential edge thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A two-stroke internal combustion vane engine comprising:
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a stator assembly comprising an annular ring, the inner circumferential surface of the annular ring defining a contoured surface of a stator cavity;
a rotor spinning around a rotor shaft axis, the rotor shaft axis being a fixed rotational axis relative to the stator cavity, the rotor having a plurality of radial vane slots and the rotor and stator being in relative rotation;
a plurality of vanes, each of the plurality of vanes extending and retracting within a corresponding one of the radial vane slots of the rotor, wherein the plurality of vanes, the stator cavity, and the rotor defining a plurality of vane cells, the vane cells creating cascading volumes of intake, compression, combustion, expansion, and exhaust, to enable the two-stroke internal combustion engine; and
a rotary scavenging disk disposed along the annular ring and extending into at least one of the vane cells, wherein an outer circumferential edge of the rotary scavenging disk being in sealing proximity with an outer circumferential edge of the rotor, wherein the rotary scavenging disk contains at least one recess formed along the outer circumferential edge thereof, and wherein each of the plurality of vanes sequentially meshes with the at least one recess to achieve at least one of scavenging and induction within the vane cells. - View Dependent Claims (14, 15, 16)
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Specification