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US 11,239,535 B2Granted
Waveguide switch rotor with improved isolation
OwnerMichael C. Hollenbeck, Robert Smithinventors
Life of this patent
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Abstract
Embodiments of the invention include waveguide switch rotors, stators, waveguide switch housings and meander clamping mechanisms. In particular, the waveguide switch rotor design employs isolation posts surrounding waveguide ports disposed on the external face of the rotor to achieve an artificial magnetic boundary condition to achieve high isolation with improved gap from rotor to stator.
Claims33
A waveguide switch rotor, comprising:
- a cylindrical rotor face extending between a rotor top and a rotor bottom with an axis of rotation passing through the rotor top and the rotor bottom;
- a first pair of waveguide ports disposed onto the cylindrical rotor face defining a first waveguide path passing into and out of the rotor face;
- a lattice of evenly-spaced isolation posts extending from the cylindrical rotor face and surrounding the pair of waveguide ports;
- and
- a meander motor clamping feature extending from the rotor top coaxially with the axis of rotation.
2 more elements
A waveguide switch housing, comprising:
- a waveguide switch rotor, comprising:
- a cylindrical rotor face extending between a rotor top and a rotor bottom, with an axis of rotation passing through the rotor top and the rotor bottom;
- a first pair of rotor waveguide ports disposed onto the cylindrical rotor face defining a first waveguide path passing into and out of the rotor face;
- and
- a lattice of evenly-spaced isolation posts extending from the cylindrical rotor face and surrounding the pair of rotor waveguide ports;
- a meander motor clamping feature extending from the rotor top coaxially with the axis of rotation;
- and
- a waveguide switch stator having a cylindrical opening for receiving the waveguide switch rotor, the waveguide switch stator further comprising:
- a first pair of stator waveguide ports corresponding to the first pair of rotor waveguide ports when the waveguide switch rotor is in a first rotational position;
- and
- a second pair of stator waveguide ports corresponding to the first pair of rotor waveguide ports when the waveguide switch rotor is in a second rotational position.
8 more elements
A waveguide switch rotor, comprising:
- a cylindrical rotor face extending between a rotor top and a rotor bottom with an axis of rotation passing through the rotor top and the rotor bottom;
- a first pair of waveguide ports disposed onto the cylindrical rotor face defining a first waveguide path passing into and out of the rotor face;
- and
- a lattice of evenly-spaced isolation posts extending from the cylindrical rotor face and surrounding the pair of waveguide ports, wherein the lattice of evenly-spaced isolation posts are distributed in longitudinal rows running parallel to the axis of rotation, adjacent posts in each of the longitudinal rows spaced apart longitudinally by a distance, 2x, measured from center to center, wherein each of the isolation posts is oriented with two pairs of exposed vertices opposed to one another, the two pairs each oriented either parallel or perpendicular to the axis of rotation, wherein the each of the isolation posts has a height, h, a cross-section of a square and four exposed vertices surrounding a top face.
1 more element
Dependencies are inferred from the claim text.