Radial Bearings

Claim 2

In a fluid motor assembly including a motor, a drive shaft, and a housing for said drive shaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a housing member and a shaft member, a tungsten carbide sleeve mounted on one of said members and a tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said bearing member, fluid passageways through said bearing.

Claim 3

In a fluid motor assembly including a motor, a drive shaft, and a housing for said drive shaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a housing member and a shaft member, a tungsten carbide sleeve mounted on one of said members and a tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said bearing member, fluid passageways through said bearing.

Claim 4

In a fluid motor assembly including a motor, a drive shaft, and a housing for said drive shaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a housing member and a shaft member, a tungsten carbide sleeve mounted on one of said members and a tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said bearing member, fluid passageways through said bearing.

Claim 5

In the fluid motor of claim 1, a second radial bearing positioned between said shaft and said housing and positioned between said thrust bearing and the end of said housing comprising a second tungsten carbide sleeve, a second tungsten carbide complementary bearing member mounted on said shaft in rubbing relationship to said sleeve.

Claim 6

In the fluid motor of claim 1, passageways between the said tungsten carbide sleeve and said complementary tungsten carbide bearing member extending through said rotary bearing and communicating with said by-pass passageway and with the said thrust-bearing housing.

Claim 7

In the fluid motor of claim 3, a second radial bearing positioned between said shaft member and said housing member and positioned between said thrust bearing and the end of said housing member, said second radial bearing comprising a second tungsten carbide sleeve mounted on one of said members, a second tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said second tungsten carbide sleeve, a fluid passageway through said second radial bearing communicating with said thrust-bearing housing above the said second radial bearing and with the end of said housing.

Claim 8

In a fluid motor, which includes a rotor, a stator, a tubular drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator and into and through the tubular drive shaft, a by-pass passageway connected to said stator outlet, the improvement which includes a thrust bearing assembly mounted between said housing and said drive shaft in thrust transmission relationship between said housing and said shaft, radial bearings in said housing between said housing and said shaft and positioned in said housing between said thrust bearing and said stator, comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing reLationship to said first-mentioned bearing member.

Claim 9

In a fluid motor, which includes a rotor, a stator, a tubular drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator and into and through the tubular drive shaft, a by-pass passageway connected to said stator outlet, the improvement which includes a thrust bearing assembly mounted between said housing and said drive shaft in thrust transmission relationship between said housing and said shaft, radial bearings in said housing between said housing and said shaft and positioned in said housing between said thrust bearing and said stator, comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing reLationship to said first-mentioned bearing member.

Claim 10

In the fluid motor of claim 5, a second radial bearing between said housing and said shaft and positioned in said housing between said thrust bearing and the end of said housing, comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing relationship to said first-mentioned sleeve.

Claim 11

In the fluid motor of claim 5, passageways between the said tungsten carbide sleeve and said complementary tungsten carbide bearing member extending through said rotary bearing and communicating with said by-pass passageway and with the said thrust-bearing housing.

Claim 12

In a fluid motor, which includes a rotor, a stator, a tubular drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator and into and through the tubular drive shaft, a by-pass passageway connected to said stator outlet, the improvement which includes a thrust bearing assembly mounted between said housing and said drive shaft in thrust transmission relationship between said housing and said shaft, radial bearings in said housing between said housing and said shaft and positioned in said housing between said thrust bearing and said stator, comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing relationship to said first-mentioned bearing member.

Claim 13

In a fluid motor, which includes a rotor, a stator, a tubular drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator and into and through the tubular drive shaft, a by-pass passageway connected to said stator outlet, the improvement which includes a thrust bearing assembly mounted between said housing and said drive shaft in thrust transmission relationship between said housing and said shaft, radial bearings in said housing between said housing and said shaft and positioned in said housing between said thrust bearing and said stator, comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing relationship to said first-mentioned bearing member.

Claim 14

In the fluid motor of claim 8, a second radial bearing between said housing and said shaft and positioned in said housing between said thrust bearing and the end of said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing relationship to said first-mentioned sleeve.

Claim 15

In the fluid motor of claim 8, a second radial bearing positioned in said housing between said shaft and housing and positioned between said thrust bearing and the end of said housing, said second radial bearing comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing relationship to said sleeve, fluid passageway through said second radial bearing communicating with said thrust-bearing housing above the said radial bearing with the end of said housing.

Claim 16

In combination, a housing member, a shaft member, a radial bearing mounted between the housing member and the shaft member, said radial bearing including a tungsten carbide sleeve member mounted on one of said members, a tungsten carbide complementary bearing member mounted in said bearing in rubbing relationship with said tungsten carbide sleeve.

Claim 17

In combination, a housing member, a shaft member, a radial bearing mounted between the housing member and the shaft member, said radial bearing including a tungsten carbide sleeve member mounted on one of said members, a tungsten carbide complementary bearing member mounted in said bearing in rubbing relationship with said tungsten carbide sleeve.

Claim 18

A radial bearing adapted for mounting between a housing member and a shaft member, a tungsten carbide sleeve adapted for mounting on one of said members, a tungsten carbide complementary bearing member adapted for mounting on the other of said members in rubbing relationship with said tungsten carbide sleeve, said tungsten carbide complementary bearing member including a steel sleeve of exterior diameter less than the interior diameter of the first-mentioned tungsten carbide sleeve, a plurality of tungsten carbide bars mounted circumambiently about said lastnamed sleeve and in rubbing contact with said first-mentioned sleeve, interruped annular passageways between said bars and between said first-mentioned tungsten carbide sleeve and the sleeve adapted for mounting on said shaft.

Claim 19

A radial bearing adapted for mounting between a housing member and a shaft member, a tungsten carbide sleeve adapted for mounting on one of said members, a tungsten carbide complementary bearing member adapted for mounting on the other of said members in rubbing relationship with said tungsten carbide sleeve, said tungsten carbide complementary bearing member including a steel sleeve of exterior diameter less than the interior diameter of the first-mentioned tungsten carbide sleeve, a plurality of tungsten carbide bars mounted circumambiently about said lastnamed sleeve and in rubbing contact with said first-mentioned sleeve, interruped annular passageways between said bars and between said first-mentioned tungsten carbide sleeve and the sleeve adapted for mounting on said shaft.

Claim 20

In a fluid motor assembly including a motor, fluid input means to said motor and a drive shaft member, connected to said motor, a housing member for said drive shaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a tungsten carbide sleeve member mounted on one of said members, a tungsten carbide complementary bearing member mounted in rubbing relationship to said sleeve member, passageway extending through one of said tungsten carbide members to pass fluid discharging from said motor.

Claim 21

In a fluid motor assembly including a motor, fluid input means to said motor and a drive shaft member, connected to said motor, a housing member for said drive shaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a tungsten carbide sleeve member mounted on one of said members, a tungsten carbide complementary bearing member mounted in rubbing relationship to said sleeve member, passageway extending through one of said tungsten carbide members to pass fluid discharging from said motor.

Claim 22

The fluid motor of claim 13, which includes a rotor, a stator, a drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, a by-pass passageway from said inlet to said passageway through said tungsten carbide member.

Claim 23

In the fluid motor of claim 13 said radial bearing positioned between said shaft and said housing and positioned between said thrust bearing and the said stator.

Claim 24

In a motor assembly including a motor and a drive shaft, a housing for said drive shaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a housing member and a shaft member, a tungsten carbide sleeve mounted on one of said members, a tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve member, said tungsten carbide complementary bearing member including a steel sleeve of exterior diameter less than the interior diameter of the first-mentioned tungsten carbide sleeve, a plurality of tungsten carbide bars mounted circumambiently about said last-named steel sleeve and in rubbing contact with said first-mentioned tungsten carbide sleeve, interrupted annular passageways between said bars and between said first-mentioned tungsten carbide sleeve and the sleeve adapted for mounting on said shaft.

Claim 25

In a motor assembly including a motor and a drive shaft, a housing for said drive shaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a housing member and a shaft member, a tungsten carbide sleeve mounted on one of said members, a tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve member, said tungsten carbide complementary bearing member including a steel sleeve of exterior diameter less than the interior diameter of the first-mentioned tungsten carbide sleeve, a plurality of tungsten carbide bars mounted circumambiently about said last-named steel sleeve and in rubbing contact with said first-mentioned tungsten carbide sleeve, interrupted annular passageways between said bars and between said first-mentioned tungsten carbide sleeve and the sleeve adapted for mounting on said shaft.

Claim 26

In a fluid motor, which includes a rotor, a stator, a drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearing in said housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve, said passageways through said tungsten carbide member communicating with said thrustbearing housing.

Claim 27

In a fluid motor, which includes a rotor, a stator, a drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearing in said housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve, said passageways through said tungsten carbide member communicating with said thrustbearing housing.

Claim 28

In a fluid motor, which includes a rotor, a stator, a drive shaft connected to said rotor, housing for said shaft, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearing in said housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationsip to said sleeve, said radial bearing positioned between said shaft and said housing and positioned between said thrust bearing and the said stator, a second radial bearing positioned between said shaft member and said housing member and positioned between said thrust bearing and the end of said housing member, said second radial bearing comprising a second tungsten carbide sleeve mounted on one of said members, a second tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said second tungsten carbide sleeve.

Claim 29

In a fluid motor, which includes a rotor, a stator, a drive shaft connected to said rotor, housing for said shaft, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearing in said housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationsip to said sleeve, said radial bearing positioned between said shaft and said housing and positioned between said thrust bearing and the said stator, a second radial bearing positioned between said shaft member and said housing member and positioned between said thrust bearing and the end of said housing member, said second radial bearing comprising a second tungsten carbide sleeve mounted on one of said members, a second tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said second tungsten carbide sleeve.

Claim 30

In a fluid motor, which includes a rotor, a stator, a drive shaft member connected to said rotor, housing member for said drive shaft member, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearing in saiD housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve, in which said complementary tungsten carbide bearing comprises a sleeve, a plurality of tungsten carbide bars mounted circumambiently about said sleeve and in rubbing contact with said first-named sleeve, said second-named sleeve being of exterior diameter less than the interior diameter of said firstnamed sleeve, interrupted annular passageways between said bars and between said first-mentioned tungsten carbide sleeve and said last-named sleeve.

Claim 31

In a fluid motor, which includes a rotor, a stator, a drive shaft member connected to said rotor, housing member for said drive shaft member, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearing in saiD housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve, in which said complementary tungsten carbide bearing comprises a sleeve, a plurality of tungsten carbide bars mounted circumambiently about said sleeve and in rubbing contact with said first-named sleeve, said second-named sleeve being of exterior diameter less than the interior diameter of said firstnamed sleeve, interrupted annular passageways between said bars and between said first-mentioned tungsten carbide sleeve and said last-named sleeve.

Claim 32

In a fluid motor, which includes a rotor, a stator, a drive shaft member connected to said rotor, housing member for said drive shaft member, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearing in said housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve, a by-pass passageway in said housing and connected to said outlet, passageways between the said tungsten carbide sleeve and said complementary tungsten carbide bearing member extending through said rotary bearing and communicating with said by-pass passageway and with the said thrust-bearing housing, a second radial bearing positioned in said housing between said thrust bearing and the end of said housing, said radial bearing comprising a second tungsten carbide sleeve mounted in one of said members, a second tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said sleeve.

Claim 33

In a fluid motor, which includes a rotor, a stator, a drive shaft member connected to said rotor, housing member for said drive shaft member, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearing in said housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve, a by-pass passageway in said housing and connected to said outlet, passageways between the said tungsten carbide sleeve and said complementary tungsten carbide bearing member extending through said rotary bearing and communicating with said by-pass passageway and with the said thrust-bearing housing, a second radial bearing positioned in said housing between said thrust bearing and the end of said housing, said radial bearing comprising a second tungsten carbide sleeve mounted in one of said members, a second tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said sleeve.

Claim 34

In a fluid motor, which includes a rotor, a stator, a drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearings in said housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve, passageways between the said tungsten carbide sleeve and said complementary tungsten carbide bearing member extending through said rotary bearing and communicating with said by-pass passageway and with the said thrust-bearing housing, a second radial bearing positioned in said housing between said thrust bearing and the end of said housing, said radial bearing comprising a second tungsten carbide sleeve mounted in one of said members, a second tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said sleeve, in which said complementary bearing includes a second sleeve of exterior diameter less than the interior diameter of the tungsten carbide sleeve, and is mounted on one of said members, a plurality of tungsten carbide bars mounted circumambiently about said second sleeve in rubbing contact with said last-named tungsten carbide sleeve, interrupted annular passageways between said bars and between said tungsten carbide sleeve and the second sleeve mounted on the other of said members, said passageways communicating with said housing member above said second radial bearing and with the end of said housing member.

Claim 35

In a fluid motor, which includes a rotor, a stator, a drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator, the improvement which includes a thrust bearing assembly mounted between said housing member and said drive shaft member in thrust transmission relationship between said housing member and said shaft, radial bearings in said housing between said shaft member and said housing member, said radial bearing comprising a tungsten carbide sleeve mounted on one of said members, tungsten carbide complementary bearing member mounted on the other of said members in rubbing relationship to said sleeve, passageways between the said tungsten carbide sleeve and said complementary tungsten carbide bearing member extending through said rotary bearing and communicating with said by-pass passageway and with the said thrust-bearing housing, a second radial bearing positioned in said housing between said thrust bearing and the end of said housing, said radial bearing comprising a second tungsten carbide sleeve mounted in one of said members, a second tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said sleeve, in which said complementary bearing includes a second sleeve of exterior diameter less than the interior diameter of the tungsten carbide sleeve, and is mounted on one of said members, a plurality of tungsten carbide bars mounted circumambiently about said second sleeve in rubbing contact with said last-named tungsten carbide sleeve, interrupted annular passageways between said bars and between said tungsten carbide sleeve and the second sleeve mounted on the other of said members, said passageways communicating with said housing member above said second radial bearing and with the end of said housing member.

Claim 36

In a fluid motor assembly including a motor, a drive shaft member, and a housing member for said drive sHaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a housing member and a shaft member, a tungsten carbide sleeve mounted on one of said members and a tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said bearing member, in which said complementary tungsten carbide complementary bearing contains tungsten carbide bars mounted circumambiently about a sleeve and in rubbing contact with said first-named sleeve, said second-named sleeve being of exterior diameter less than the interior diameter of said first-named sleeve, interrupted annular passageways between said bars and between said first-mentioned tungsten carbide sleeve and said last-named sleeve.

Claim 37

In a fluid motor assembly including a motor, a drive shaft member, and a housing member for said drive sHaft, a radial bearing between said drive shaft and said housing, said radial bearing comprising a housing member and a shaft member, a tungsten carbide sleeve mounted on one of said members and a tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said bearing member, in which said complementary tungsten carbide complementary bearing contains tungsten carbide bars mounted circumambiently about a sleeve and in rubbing contact with said first-named sleeve, said second-named sleeve being of exterior diameter less than the interior diameter of said first-named sleeve, interrupted annular passageways between said bars and between said first-mentioned tungsten carbide sleeve and said last-named sleeve.

Claim 38

In the motor of claim 22, a second radial bearing positioned in said housing between said thrust bearing and the end of said housing, said radial bearing comprising a second tungsten carbide sleeve mounted in one of said members, a second tungsten carbide complementary bearing mounted on the other of said members in rubbing relationship to said sleeve.

Claim 39

In the motor of claim 23. in which said second radial bearing positioned in said housing between said housing member and said shaft member and positioned between the said thrust bearing and the end of said housing, said second radial bearing including a second sleeve of exterior diameter less than the interior diameter of the second tungsten carbide sleeve, mounted on one of said members, a plurality of tungsten carbide bars mounted circumambiently about said last-named sleeve in rubbing contact with said last-named tungsten carbide sleeve, interrupted annular passageways between said bars and between said last-named tungsten carbide sleeve and the sleeve mounted on the other of said members, said passageways communicating with said housing member above said second radial bearing and with the end of said housing member.

Claim 40

In a fluid motor, which includes a rotor, a stator, a tubular drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator and into and through the tubular drive shaft, a by-pass passageway connected to said stator outlet, the improvement which includes a thrust bearing assembly mounted between said housing and said drive shaft in thrust transmission relationship between said housing and said shaft, radial bearings in said housing between said housing and said shaft and positioned in said housing between said thrust bearing and said stator, comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing relationship to said first-mentioned bearing member, said complementary bearing mounted on said shaft is a sleeve of exterior diameter less than the interior diameter of the tungsten carbide sleeve mounted in said housing carrying a plurality of tungsten carbide bars mounted circumambiently about said sleeve on said shaft and in rubbing contact with said tungsten carbide sleeve, mounted on said housing, interrupted annular passageways between said bars and between said tungsten carbide sleeve and the sleeve mounted on said shaft.

Claim 41

In a fluid motor, which includes a rotor, a stator, a tubular drive shaft connected to said rotor, housing for said drive shaft, and fluid passageways into the stator, an outlet from said stator and into and through the tubular drive shaft, a by-pass passageway connected to said stator outlet, the improvement which includes a thrust bearing assembly mounted between said housing and said drive shaft in thrust transmission relationship between said housing and said shaft, radial bearings in said housing between said housing and said shaft and positioned in said housing between said thrust bearing and said stator, comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing relationship to said first-mentioned bearing member, said complementary bearing mounted on said shaft is a sleeve of exterior diameter less than the interior diameter of the tungsten carbide sleeve mounted in said housing carrying a plurality of tungsten carbide bars mounted circumambiently about said sleeve on said shaft and in rubbing contact with said tungsten carbide sleeve, mounted on said housing, interrupted annular passageways between said bars and between said tungsten carbide sleeve and the sleeve mounted on said shaft.

Claim 42

In the motor of claim 25, a second radial bearing positioned in said housing between said thrust bearing and the end of said housing, said radial bearing comprising a tungsten carbide sleeve mounted in said housing, tungsten carbide complementary bearing mounted on said shaft in rubbing relationship to said firstmentioned bearing member.