Rotor assembly for a rotary machine

Claim 2

A rotor assembly for a rotary machine comprising a main rotor body having a hub and a peripheral wall joined by ribs rotatable about an axis determined by said hub, said peripheral wall having a plurality of radially outwardly facing chamber faces and a pair of axially spaced oppositely axially facing sides, said faces extending parallel to said axis, said sides extending perpendicular to said axis, said rotor body on each said side having a recess with radially inwardly facing walls extending in a peripheral direction adjacent each of said faces and extending in an axial direction to said sides parallel to said axis, each said recess further having a bottom contiguous with said recess walls and extending perpendicular to said axis, a side plate secured in each said recess with an inboard side contacting the bottom of this recess and an outboard side extending perpendicular to said axis, said side plates having central openings therethrough that are centered on said axis, each said side plate having a periphery with radially outwardly facing walls corresponding in number to and arranged radially opposite said recess walls, each of said side plate walls having an axially outboard portion radially spaced from an axially outboard portion of the opposite recess wall, each of said side plate walls further having a radial portion perpendicular to said axis and extending radially inward to the outboard side plate wall portIon, said outboard portions of said recess walls and said radial portions and said radially outwardly facing outboard portions of said plate walls cooperating to provide axially outwardly facing side seal grooves of constant depth and constant width extending adjacent said faces.

Claim 3

A rotor assembly for a rotary machine comprising a main rotor body having a hub and a peripheral wall joined by ribs rotatable about an axis determined by said hub, said peripheral wall having a plurality of radially outwardly facing chamber faces and a pair of axially spaced oppositely axially facing sides, said faces extending parallel to said axis, said sides extending perpendicular to said axis, said rotor body on each said side having a recess with radially inwardly facing arcuate walls of constant radius extending in a peripheral direction adjacent each of said faces and extending in an axial direction to said sides parallel to said axis, each said recess further having a bottom contiguous with said recess walls and extending perpendicular to said axis, a side plate secured in each said recess with an inboard side contacting the bottom of this recess and an outboard side extending perpendicular to said axis and radially aligned with the radially outwardly located peripheral wall side, said side plates having central openings therethrough that are centered on said axis, each said side plate having a periphery with radially outwardly facing arcuate walls of constant radius corresponding in number to and arranged radially opposite said recess walls with the radii of the opposing walls having a common center line parallel to said axis, each of said side plate walls having an axially inboard locating portion engaging an axially inboard portion of the opposite recess wall whereby said plate is positively centered on said axis, each of said side plate walls also having an axially outboard portion radially spaced from an axially outboard portion of the opposite recess wall, each of said side plate walls further having a radial portion perpendicular to said axis and extending radially between the inboard and outboard side plate wall portions, and said outboard portions of said recess walls and said radial portions and said radially outwardly facing outboard portions of said plate walls cooperating to provide axially outwardly facing side seal grooves of constant depth and constant width extending adjacent said faces.

Claim 4

A rotor assembly for a rotary machine comprising a main rotor body having a hub and a peripheral wall joined by ribs rotatable about an axis determined by said hub, said peripheral wall having a plurality of radially outwardly facing chamber faces and a pair of axially spaced oppositely axially facing sides, said faces extending parallel to said axis, said sides extending perpendicular to said axis, said rotor body on each said side having a recess with radially inwardly facing arcuate walls of constant radius extending in a peripheral direction adjacent each of said faces and extending in an axial direction to said sides parallel to said axis, each said recess further having a bottom contiguous with said recess walls and extending perpendicular to said axis, a side plate secured in each said recess with an inboard side contacting the bottom of this recess and an outboard side extending perpendicular to said axis and radially aligned with the radially outwardly located peripheral wall side, said side plates having central openings therethrough that are centered on said axis, each said side plate having a periphery with radially outwardly facing arcuate walls of constant radius corresponding in number to and arranged radially opposite said recess walls with the radii of the opposing walls having a common center line parallel to said axis, each of said side plate walls having an axially inboard locating portion engaging an axially inboard portion of the opposite recess wall whereby said plate is positively centered on said axis, each of said side plate walls also having an axially outboard portion radially spaced from an axially outboard portion of the opposite recess wall, each of said side plate walls further having a radial portion perpendicular to said axis and extending radially between the inboard and outboard side plate wall portions, and said outboard portions of said recess walls and said radial portions and said radially outwardly facing outboard portions of said plate walls cooperating to provide axially outwardly facing side seal grooves of constant depth and constant width extending adjacent said faces.

Claim 5

A rotor assembly for a rotary machine comprising a main rotor body having a hub and a peripheral wall joined by ribs rotatable about an axis determined by said hub, said peripheral wall having a plurality of radially outwardly facing chamber faces and a pair of axially spaced oppositely axially facing sides, said faces extending parallel to said axis, said sides extending perpendicular to said axis, said rotor body on each said side having a recess with radially inwardly facing walls extending in a peripheral direction adjacent each of said faces and extending in an axial direction parallel to said axis, each said recess further having a bottom contiguous with said recess walls and extending perpendicular to said axis, a side plate secured in each said recess with an inboard side contacting the bottom of this recess and an outboard side extending perpendicular to said axis and radially aligned with the radially outwardly located peripheral wall side, said side plates having central openings therethrough that are centered on said axis, each said side plate having a periphery with radially outwardly facing walls corresponding in number to and arranged radially opposite said recess walls, each of said side plate walls having an axially inboard locating portion engaging an axially inboard portion of the opposite recess wall whereby said plate is positively centered on said axis, each of said side plate walls also having an axially outboard portion radially spaced from an axially outboard portion of the opposite recess wall, each of said side plate walls further having a radial porTion perpendicular to said axis and extending radially between the inboard and outboard side plate wall portions, said outboard portions of said recess walls and said radial portions and said radially outwardly facing outboard portions of said plate walls cooperating to provide axially outwardly facing side seal grooves of constant depth and constant width extending adjacent said faces, and one of said side plates having formed thereon in the central opening thereof an internal tooth gear centered on said axis.

Claim 6

A rotor assembly for a rotary machine comprising a main rotor body having a hub and a peripheral wall joined by ribs rotatable about an axis determined by said hub, said peripheral wall having a plurality of radially outwardly facing chamber faces and a pair of axially spaced oppositely axially facing sides, said faces extending parallel to said axis, said sides extending perpendicular to said axis, said rotor body on each said side having a recess with radially inwardly facing walls extending in a peripheral direction adjacent each of said faces and extending in an axial direction parallel to said axis, each said recess further having a bottom contiguous with said recess walls and extending perpendicular to said axis, a side plate secured in each said recess with an inboard side contacting the bottom of this recess and an outboard side extending perpendicular to said axis and radially aligned with the radially outwardly located peripheral wall side, said side plates having central openings therethrough that are centered on said axis, each said side plate having a periphery with radially outwardly facing walls corresponding in number to and arranged radially opposite said recess walls, each of said side plate walls having an axially inboard locating portion engaging an axially inboard portion of the opposite recess wall whereby said plate is positively centered on said axis, each of said side plate walls also having an axially outboard portion radially spaced from an axially outboard portion of the opposite recess wall, each of said side plate walls further having a radial porTion perpendicular to said axis and extending radially between the inboard and outboard side plate wall portions, said outboard portions of said recess walls and said radial portions and said radially outwardly facing outboard portions of said plate walls cooperating to provide axially outwardly facing side seal grooves of constant depth and constant width extending adjacent said faces, and one of said side plates having formed thereon in the central opening thereof an internal tooth gear centered on said axis.

Claim 7

A rotor assembly for a rotary machine comprising a main rotor body having a hub and a peripheral wall joined by ribs rotatable about an axis determined by said hub, said peripheral wall having a plurality of radially outwardly facing faces and a pair of axially spaced oppositely axially facing sides, said faces extending parallel to said axis, said sides extending perpendicular to said axis, said rotor body on each said side having a recess with radially inwardly facing arcuate walls of constant radius extending in a peripheral direction adjacent each of said faces and extending in an axial direction to said sides parallel to said axis, each said recess further having a bottom contiguous with said recess walls and extending perpendicular to said axis, a side plate secured in each said recess with an inboard side contacting the bottom of this recess and an outboard side extending perpendicular to said axis and radially aligned with the radially outwardly located peripheral wall side, said side plates having central openings therethrough that are centered on said axis, each said side plate having a periphery with radially outwardly facing arcuate walls of constant radius corresponding in number to and arranged radially opposite said recess walls with the radii of the opposing walls having a common center line parallel to said axis, each of said side plate walls having an axially inboard locating portion engaging an axially inboard portion of the opposite recess wall whereby the plate is positively centered on said axis, each of said side plate walls also having an axially outboard portion radially spaced from an axially outboard portion of the opposite recess wall, each of said side plate walls further having a radial portion perpendicular to said axis and extending radially between the inboard and outboard side plate wall portions, said outboard portions of said recess walls and said radial portions and said radially outwardly facing outboard portions of said plate walls cooperating to provide axially outwardly facing side seal grooves of constant depth and constant width extending adjacent said faces, one of said side plates having formed thereon in the central opening thereof an internal tooth gear centered on said axis, and said side plates and said peripheral wall on each said side having contiguous axially extending aperture wall portions cooperating to provide an axially outwardly facing corner seal aperture contiguous with the ends of each adjoining pair of said side seal grooves on each rotor side.

Claim 8

A rotor assembly for a rotary machine comprising a main rotor body having a hub and a peripheral wall joined by ribs rotatable about an axis determined by said hub, said peripheral wall having a plurality of radially outwardly facing faces and a pair of axially spaced oppositely axially facing sides, said faces extending parallel to said axis, said sides extending perpendicular to said axis, said rotor body on each said side having a recess with radially inwardly facing arcuate walls of constant radius extending in a peripheral direction adjacent each of said faces and extending in an axial direction to said sides parallel to said axis, each said recess further having a bottom contiguous with said recess walls and extending perpendicular to said axis, a side plate secured in each said recess with an inboard side contacting the bottom of this recess and an outboard side extending perpendicular to said axis and radially aligned with the radially outwardly located peripheral wall side, said side plates having central openings therethrough that are centered on said axis, each said side plate having a periphery with radially outwardly facing arcuate walls of constant radius corresponding in number to and arranged radially opposite said recess walls with the radii of the opposing walls having a common center line parallel to said axis, each of said side plate walls having an axially inboard locating portion engaging an axially inboard portion of the opposite recess wall whereby the plate is positively centered on said axis, each of said side plate walls also having an axially outboard portion radially spaced from an axially outboard portion of the opposite recess wall, each of said side plate walls further having a radial portion perpendicular to said axis and extending radially between the inboard and outboard side plate wall portions, said outboard portions of said recess walls and said radial portions and said radially outwardly facing outboard portions of said plate walls cooperating to provide axially outwardly facing side seal grooves of constant depth and constant width extending adjacent said faces, one of said side plates having formed thereon in the central opening thereof an internal tooth gear centered on said axis, and said side plates and said peripheral wall on each said side having contiguous axially extending aperture wall portions cooperating to provide an axially outwardly facing corner seal aperture contiguous with the ends of each adjoining pair of said side seal grooves on each rotor side.