Pump having rotor with transverse feed and discharge

Claim 2

A pump comprising housing means, rotor means in said housing means rotatably driven about a longitudinal axis and including peripheral rotor pockets extending generally spirally therearound, said rotor pockets each longitudinally extending around only a portion of the periphery of said rotor means and having their ends closed inwardly of the ends of said rotor means, disc means in said housing means rotatably mounted about an axis transverse to said axis of said rotor means, said disc means including a plurality of peripheral lobes received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said axis of said rotor means, supply means for supplying material to be pumped to said rotor pockets on one side of said disc means in a direction transverse to said axis of said rotor means, said supply means being connected to said rotor pockets by a connection extending the full length of said rotor pockets, the driven rotation of said rotor means being in a rotary direction to cause such supplied material to be rotated in said rotor pockets towards the other side of said disc means whereby the material is discharged from saId rotor pockets by said disc means adjacent said other side thereof in a direction transverse to said axis of said rotor means, and discharge means for receiving the material discharged from said rotor pockets by said disc means.

Claim 3

A pump according to claim 1, wherein said rotor pockets each at the most extend around only about one-half of the periphery of said rotor means.

Claim 4

A pump according to claim 1, wherein said rotor means includes at least three of said rotor pockets.

Claim 5

A pump according to claim 1, further comprising means separate from said rotor means and said disc means interconnecting said rotor means and said disc means to cause said disc means to be rotatably driven in timed relationship with said rotor means.

Claim 6

A pump according to claim 4, wherein said interconnecting means comprises gear means, said supply means includes a feed screw in said housing means, and said discharge means includes a discharge conduit arranged to receive the discharged material in a direction transverse to said axis of said rotor means.

Claim 7

A pump according to claim 1, wherein said disc means is offset to one side of said axis of said rotor means.

Claim 8

A pump according to claim 1, wherein said disc means laterally extends along said axis of said rotor means.

Claim 9

A pump according to claim 1, wherein said axis of said disc means is above said axis of said rotor means.

Claim 10

A pump according to claim 1, wherein said disc means comprises only a single disc.

Claim 11

A pump comprising a housing containing a pumping chamber, a rotor in said pumping chamber rotatable about a longitudinal axis and including at least three peripheral pockets longitudinally extending generally spirally therearound, said rotor pockets each at the most longitudinally extending around only about one-half of the rotor periphery and having their ends closed inwardly of the ends of said rotor, a single disc rotatably mounted in said housing for rotation about an axis transverse to said rotor axis, said disc having a plurality of lobes sealingly received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said rotor axis as such material is rotated in said rotor pockets towards said disc, supply means including a supply chamber in said housing connected to said pumping chamber for supplying material to be pumped to said rotor pockets on one side of said disc in a direction radially of said rotor, the connection between said supply chamber and said pumping chamber extending the full length of said rotor pockets, driving means connected to said rotor for rotatably driving said rotor about its said axis in a rotary direction to cause the material supplied to said rotor pockets to be rotated therein towards the other side of said disc whereby the material is discharged from said rotor pockets by said disc lobes adjacent such other side radially of said rotor, and discharge means connected to said pumping chamber to receive the material discharged from said rotor pockets by said disc lobes.

Claim 12

A pump comprising a housing containing a pumping chamber, a rotor in said pumping chamber rotatable about a longitudinal axis and including at least three peripheral pockets longitudinally extending generally spirally therearound, said rotor pockets each at the most longitudinally extending around only about one-half of the rotor periphery and having their ends closed inwardly of the ends of said rotor, a single disc rotatably mounted in said housing for rotation about an axis transverse to said rotor axis, said disc having a plurality of lobes sealingly received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said rotor axis as such material is rotated in said rotor pockets towards said disc, supply means including a supply chamber in said housing connected to said pumping chamber for supplying material to be pumped to said rotor pockets on one side of said disc in a direction radially of said rotor, the connection between said supply chamber and said pumping chamber extending the full length of said rotor pockets, driving means connected to said rotor for rotatably driving said rotor about its said axis in a rotary direction to cause the material supplied to said rotor pockets to be rotated therein towards the other side of said disc whereby the material is discharged from said rotor pockets by said disc lobes adjacent such other side radially of said rotor, and discharge means connected to said pumping chamber to receive the material discharged from said rotor pockets by said disc lobes.

Claim 13

A pump according to claim 10, wherein said rotor pockets each longitudinally extend the major portion of the length of the rotor.

Claim 14

A pump according to claim 10, wherein said discharge means includes a discharge conduit arranged to receive the discharge material in a direction transverse to said rotor axis.

Claim 15

A pump according to claim 10, wherein said disc laterally extends generally along said axis of said rotor.

Claim 16

A pump according to claim 10, wherein said disc is offset to a side of said rotor axis.

Claim 17

A pump according to claim 10, wherein said disc axis is above said rotor axis.

Claim 18

A pump according to claim 10, further comprising sealing means for preventing flow of material from said pumping chamber along one side face of said disc.

Claim 19

A pump comprising housing means, rotor means in said housing means rotatably driven about a longitudinal axis and including peripheral rotor pockets extending generally spirally therearound, saId rotor pockets each longitudinally extending around only a portion of the periphery of said rotor means and having their ends closed inwardly of the ends of said rotor means, disc means in said housing means rotatably mounted about an axis transverse to said axis of said rotor means, said disc means including a plurality of peripheral lobes received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said axis of said rotor means, supply means for supplying material to be pumped to said rotor pockets on one side of said disc means in a direction transverse to said axis of said rotor means, the driven rotation of said rotor means being in a rotary direction to cause such supplied material to be rotated in said rotor pockets towards the other side of said disc means whereby the material is discharged from said rotor pockets by said disc means adjacent said other side thereof in a direction transverse to said axis of said rotor means, said supply means including a feed screw in said housing means, shaft means mounting both said feed screw and said disc means, means interconnecting said shaft means with said rotor means to cause said shaft means to be rotatably driven in timed relationship with said rotor means, and discharge means for receiving the material discharged from said rotor pockets by said disc means.

Claim 20

A pump comprising housing means, rotor means in said housing means rotatably driven about a longitudinal axis and including peripheral rotor pockets extending generally spirally therearound, saId rotor pockets each longitudinally extending around only a portion of the periphery of said rotor means and having their ends closed inwardly of the ends of said rotor means, disc means in said housing means rotatably mounted about an axis transverse to said axis of said rotor means, said disc means including a plurality of peripheral lobes received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said axis of said rotor means, supply means for supplying material to be pumped to said rotor pockets on one side of said disc means in a direction transverse to said axis of said rotor means, the driven rotation of said rotor means being in a rotary direction to cause such supplied material to be rotated in said rotor pockets towards the other side of said disc means whereby the material is discharged from said rotor pockets by said disc means adjacent said other side thereof in a direction transverse to said axis of said rotor means, said supply means including a feed screw in said housing means, shaft means mounting both said feed screw and said disc means, means interconnecting said shaft means with said rotor means to cause said shaft means to be rotatably driven in timed relationship with said rotor means, and discharge means for receiving the material discharged from said rotor pockets by said disc means.

Claim 21

A pump according to claim 17, wherein said disc means comprises only a single disc.

Claim 22

A pump comprising a housing containing a pumping chamber, a rotor in said pumping chamber rotatable about a longitudinal axis and including at least three peripheral pockets longitudinally extending generally spirally therearound, said rotor pockets each at the most longitudinally extending around only about one-half of the rotor periphery and having their ends closed inwardly of the ends of said rotor, a disc rotatably mounted in said housing for rotation about an axis transverse to said rotor axis, said disc having a plurality of lobes sealingly received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said rotor axis as such material is rotated in said rotor pockets towards said disc, supply means including a supply chamber in said housing for supplying material to be pumped to said rotor pockets on one side of said disc in a direction transverse to said axis of said rotor, said supply means further comprising a feed screw in said supply chamber for causing the material to be pumped to be supplied to said rotor pockets in a direction transverse to said rotor axis, driving means connected to said rotor for rotatably driving said rotor about its said axis in a rotary direction to cause the material supplied to said rotor pockets to be rotated therein towards the other side of said disc whereby the material is discharged from said rotor pockets by said disc lobes adjacent such other side in a direction transverse to said rotor axis, and discharge means connected to said pumping chamber to receive the material discharged from said rotor pockets by said disc lobes.

Claim 23

A pump comprising a housing containing a pumping chamber, a rotor in said pumping chamber rotatable about a longitudinal axis and including at least three peripheral pockets longitudinally extending generally spirally therearound, said rotor pockets each at the most longitudinally extending around only about one-half of the rotor periphery and having their ends closed inwardly of the ends of said rotor, a disc rotatably mounted in said housing for rotation about an axis transverse to said rotor axis, said disc having a plurality of lobes sealingly received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said rotor axis as such material is rotated in said rotor pockets towards said disc, supply means including a supply chamber in said housing for supplying material to be pumped to said rotor pockets on one side of said disc in a direction transverse to said axis of said rotor, said supply means further comprising a feed screw in said supply chamber for causing the material to be pumped to be supplied to said rotor pockets in a direction transverse to said rotor axis, driving means connected to said rotor for rotatably driving said rotor about its said axis in a rotary direction to cause the material supplied to said rotor pockets to be rotated therein towards the other side of said disc whereby the material is discharged from said rotor pockets by said disc lobes adjacent such other side in a direction transverse to said rotor axis, and discharge means connected to said pumping chamber to receive the material discharged from said rotor pockets by said disc lobes.

Claim 24

A pump according to claim 19, further comprising a rotatable shaft supporting both said feed screw and said disc, and means interconnecting said shaft with said rotor to cause said shaft to be rotatably driven in timed relationship with the driven rotation of said rotor.

Claim 25

A pump comprising a housing containing a pumping chamber and a supply chamber connected to one side of said pumping chamber for supplying material to be pumped to said pumping chamber at said one side thereof, discharge means connected to the opposite side of said pumping chamber for removing material therefrom, a rotor in said pumping chamber having its longitudinal axis transverse to the connections of said pumping chamber to said supply chamber and said discharge means, said rotor being rotatable about its said longitudinal axis and including a plurality of peripheral pockets which longitudinally extend generally spirally therearound for thE major portion of the rotor length, said rotor pockets having their ends closed by portions of said rotor adjacent the ends of said rotor, a feed screw in said supply chamber for supplying material to be pumped to said rotor pockets in a direction transverse to said rotor axis, a disc in said housing mounted for rotation about an axis transverse to said rotor axis, said disc preventing passage of material between said supply chamber and said discharge means around one side of said rotor and including a plurality of peripheral lobes sealingly received in said rotor pockets for discharging material from said rotor pockets as such material is rotated towards said disc around the other side of said rotor by rotation of said rotor, and driving means connected to said rotor for rotatably driving said rotor about its said longitudinal axis in a rotary direction to cause the material supplied to said rotor pockets to be moved therein towards said disc around said other side of said rotor whereby the material is discharged from said rotor pockets by said disc on the same side of said disc as said discharge means.

Claim 26

A pump comprising a housing containing a pumping chamber and a supply chamber connected to one side of said pumping chamber for supplying material to be pumped to said pumping chamber at said one side thereof, discharge means connected to the opposite side of said pumping chamber for removing material therefrom, a rotor in said pumping chamber having its longitudinal axis transverse to the connections of said pumping chamber to said supply chamber and said discharge means, said rotor being rotatable about its said longitudinal axis and including a plurality of peripheral pockets which longitudinally extend generally spirally therearound for thE major portion of the rotor length, said rotor pockets having their ends closed by portions of said rotor adjacent the ends of said rotor, a feed screw in said supply chamber for supplying material to be pumped to said rotor pockets in a direction transverse to said rotor axis, a disc in said housing mounted for rotation about an axis transverse to said rotor axis, said disc preventing passage of material between said supply chamber and said discharge means around one side of said rotor and including a plurality of peripheral lobes sealingly received in said rotor pockets for discharging material from said rotor pockets as such material is rotated towards said disc around the other side of said rotor by rotation of said rotor, and driving means connected to said rotor for rotatably driving said rotor about its said longitudinal axis in a rotary direction to cause the material supplied to said rotor pockets to be moved therein towards said disc around said other side of said rotor whereby the material is discharged from said rotor pockets by said disc on the same side of said disc as said discharge means.

Claim 27

A pump according to claim 21, further comprising a rotatable shaft supporting both said disc and said feed screw, and means interconnecting said shaft with said rotor to cause said shaft to be rotatably driven in timed relationship with the driven rotation of said rotor.

Claim 28

A pump according to claim 21, wherein said disc is offset to one side of said rotor axis.

Claim 29

A pump according to claim 21, wherein said disc laterally extends generally along said rotor axis.

Claim 30

A pump according to claim 21, wherein said disc axis is above said rotor axis.

Claim 31

A pump according to claim 21, further comprising sealing means for preventing flow of material from said pumping chamber to said supply chamber along the side face of said disc most adjacent to said discharge means.

Claim 32

A pump according to claim 26, wherein said disc extends into said supply chamber and at a portion of its periphery is spaced from a wall bounding said supply chamber.

Claim 33

A pump according to claim 27, wherein said sealing means is intermediate said disc and said wall.

Claim 34

A pump or the like comprising a housing, a rotor in said housing rotatably mounted about a longitudinal axis and including peripheral rotor pockets extending generally spirally therearound, said rotor pockets each having their ends closed inwardly of the ends of said rotor to prevent passage of material to-and-from said rotor pockets at the ends of said rotor, a single disc in said housing rotatably mounted about an axis transverse to said axis of said rotor and including peripheral lobes received in said rotor pockets for preventing passage of material in said rotor pockets around one side of said rotor, supply means for supplying material to said rotor pockets on one side of said disc in a direction radially of said rotor, said supply means being connected to said rotor pockets by a connection extending the length of said rotor pockets, said rotor being rotatably driven in a direction to cause such supplied material to pass in said rotor pockets around the other side of said rotor whereupon the material is discharged from said rotor pockets adjacent said other side of said disc in a direction radially of said rotor, and discharge means for receiving such discharged material.

Claim 35

A pump or the like comprising a housing, a rotor in said housing rotatably mounted about a longitudinal axis and including peripheral rotor pockets extending generally spirally therearound, said rotor pockets each having their ends closed inwardly of the ends of said rotor to prevent passage of material to-and-from said rotor pockets at the ends of said rotor, a single disc in said housing rotatably mounted about an axis transverse to said axis of said rotor and including peripheral lobes received in said rotor pockets for preventing passage of material in said rotor pockets around one side of said rotor, supply means for supplying material to said rotor pockets on one side of said disc in a direction radially of said rotor, said supply means being connected to said rotor pockets by a connection extending the length of said rotor pockets, said rotor being rotatably driven in a direction to cause such supplied material to pass in said rotor pockets around the other side of said rotor whereupon the material is discharged from said rotor pockets adjacent said other side of said disc in a direction radially of said rotor, and discharge means for receiving such discharged material.

Claim 36

A pump or the like comprising a housing containing a rotor chamber and a supply chamber connected to one side of said rotor chamber for supplying material to said one side of said rotor chamber, discharge means connected to the opposite side of said rotor chamber for removing material therefrom, a rotor in said rotor chamber having its longitudinal axis transverse to the connections of said rotor chamber to said supply chamber and said discharge means, said rotor being rotatable about its said longitidinal axis and including peripheral pockets which longitudinally extend generally spirally therearound, said rotor pockets having their ends closed by portions of said rotor adjacent the ends of said rotor, a disc in said housing mounted for rotation about an axis transverse to said rotor axis, said disc preventing passage of material between said supply chamber and said discharge means around one side of said rotor and including peripheral lobes sealingly received in said rotor pockets for discharging material from said rotor pockets as such material is rotated towards said disc around the other side of said rotor during rotation of said rotor, the connection between said supply chamber and said rotor chamber extending the full length of said rotor pockets, and said rotor being rotatably driven about its said longitudinal axis in a rotary direction to cause the material supplied to said rotor pockets to be moved therein towards said disc around said other side of said rotor whereby the material is discharged from said rotor pockets on the same side of said disc as said discharge means.

Claim 37

A pump or the like comprising a housing containing a rotor chamber and a supply chamber connected to one side of said rotor chamber for supplying material to said one side of said rotor chamber, discharge means connected to the opposite side of said rotor chamber for removing material therefrom, a rotor in said rotor chamber having its longitudinal axis transverse to the connections of said rotor chamber to said supply chamber and said discharge means, said rotor being rotatable about its said longitidinal axis and including peripheral pockets which longitudinally extend generally spirally therearound, said rotor pockets having their ends closed by portions of said rotor adjacent the ends of said rotor, a disc in said housing mounted for rotation about an axis transverse to said rotor axis, said disc preventing passage of material between said supply chamber and said discharge means around one side of said rotor and including peripheral lobes sealingly received in said rotor pockets for discharging material from said rotor pockets as such material is rotated towards said disc around the other side of said rotor during rotation of said rotor, the connection between said supply chamber and said rotor chamber extending the full length of said rotor pockets, and said rotor being rotatably driven about its said longitudinal axis in a rotary direction to cause the material supplied to said rotor pockets to be moved therein towards said disc around said other side of said rotor whereby the material is discharged from said rotor pockets on the same side of said disc as said discharge means.

Claim 38

A pump or the like comprising a housing containing a rotor chamber and a supply chamber connected to one side of said rotor chamber for supplying material to said one side of said rotor chamber, discharge means connected to the opposite side of said rotor chamber for removing material therefrom, a rotor in said rotor chamber having its longitudinal axis transverse to the connections of said rotor chamber to said supply chamber and said discharge means, said rotor being rotatable about its said longitudinal axis and including peripheral pockets which longitudinally extend generally spirally therearound, said rotor pockets having their ends closed by portions of said rotor adjacent the ends of said rotor, a disc in said housing mounted for rotation about an axis transverse to said rotor axis, said disc preventing passage of material between said supply chamber and said discharge means around one side of said rotor and including peripheral lobes sealingly received in said rotor pockets for discharging material from said rotor pockets as such material is rotated towards said disc around the other side of said rotor during rotation of said rotor, said disc extending into said supply chamber and having its face most adjacent to said discharge means spaced from a wall bounding said supply chamber, sealing means intermediate said disc face and said wall for preventing flow of material from said rotor chamber along said disc face, and said rotor being rotatably driven about its said longitudinal axis in a rotary direction to cause the material supplied to said rotor pockets to be moved therein towards said disc around said other side of said rotor whereby the material is discharged from said rotor pocket on the same side of said disc as said discharge means.

Claim 39

A pump or the like comprising a housing containing a rotor chamber and a supply chamber connected to one side of said rotor chamber for supplying material to said one side of said rotor chamber, discharge means connected to the opposite side of said rotor chamber for removing material therefrom, a rotor in said rotor chamber having its longitudinal axis transverse to the connections of said rotor chamber to said supply chamber and said discharge means, said rotor being rotatable about its said longitudinal axis and including peripheral pockets which longitudinally extend generally spirally therearound, said rotor pockets having their ends closed by portions of said rotor adjacent the ends of said rotor, a disc in said housing mounted for rotation about an axis transverse to said rotor axis, said disc preventing passage of material between said supply chamber and said discharge means around one side of said rotor and including peripheral lobes sealingly received in said rotor pockets for discharging material from said rotor pockets as such material is rotated towards said disc around the other side of said rotor during rotation of said rotor, said disc extending into said supply chamber and having its face most adjacent to said discharge means spaced from a wall bounding said supply chamber, sealing means intermediate said disc face and said wall for preventing flow of material from said rotor chamber along said disc face, and said rotor being rotatably driven about its said longitudinal axis in a rotary direction to cause the material supplied to said rotor pockets to be moved therein towards said disc around said other side of said rotor whereby the material is discharged from said rotor pocket on the same side of said disc as said discharge means.

Claim 40

A pump or the like according to claim 31, wherein the connection between said supply chamber and said rotor chamber extends the full length of said rotor pockets.

Claim 41

A pump comprising a housing containing a pumping chamber, a rotor in said pumping chamber rotatable about a longitudinal axis and including at least three peripheral pockets longitudinally extending generally spirally therearound, said rotor pockets each at the most longitudinally extending around only about one-half of the rotor periphery and having their ends closed inwardly of the ends of said rotor, a disc rotatably mounted in said housing for rotation about an axis transverse to said rotor axis, said disc having a plurality of lobes sealingly received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said rotor axis as such material is rotated in said rotor pockets towards said disc, supply means including a supply chamber in said housing for supplying material to be pumped to said rotor pockets on one side of said disc in a direction transverse to said axis of said rotor, driving means connected to said rotor for rotatably driving said rotor about its said axis in a rotary direction to cause the material supplied to said rotor pockets to be rotated therein towards the other side of said disc whereby the material is discharged from said rotor pockets by said disc lobes adjacent such other side in a direction transverse to said rotor axis, discharge means connected to said pumping chamber to receive the material discharged from said rotor pockets by said disc lobes, and sealing means for preventing flow of material from said pumping chamber to said supply chamber along the side face of said disc on said other side thereof.

Claim 42

A pump comprising a housing containing a pumping chamber, a rotor in said pumping chamber rotatable about a longitudinal axis and including at least three peripheral pockets longitudinally extending generally spirally therearound, said rotor pockets each at the most longitudinally extending around only about one-half of the rotor periphery and having their ends closed inwardly of the ends of said rotor, a disc rotatably mounted in said housing for rotation about an axis transverse to said rotor axis, said disc having a plurality of lobes sealingly received in said rotor pockets for discharging material from said rotor pockets in a direction transverse to said rotor axis as such material is rotated in said rotor pockets towards said disc, supply means including a supply chamber in said housing for supplying material to be pumped to said rotor pockets on one side of said disc in a direction transverse to said axis of said rotor, driving means connected to said rotor for rotatably driving said rotor about its said axis in a rotary direction to cause the material supplied to said rotor pockets to be rotated therein towards the other side of said disc whereby the material is discharged from said rotor pockets by said disc lobes adjacent such other side in a direction transverse to said rotor axis, discharge means connected to said pumping chamber to receive the material discharged from said rotor pockets by said disc lobes, and sealing means for preventing flow of material from said pumping chamber to said supply chamber along the side face of said disc on said other side thereof.

Claim 43

A pump according to claim 17, wherein said supply means is connected to said rotor pockets by a connection extending the full length of said rotor pockets.

Claim 44

A pump according to claim 21, wherein said supply chamber is connected to said pumping chamber by a connection extending the full length of said rotor pockets.