Abstract

A concentric rotary fluid machine includes a first body and a second body that are rotatable relative to each other and coaxially arranged one inside the other. A plurality of gates are supported by the second body in gate pockets. Each gate pocket includes: a gate retention recess that receives a gate cylinder of a gate; a gate seal recess that receives a sealing portion of a gate; and an intervening land. The sealing portion is configured to reciprocate up and down within a corresponding gate seal recess while maintaining contact with the recess and the second body. A plurality of lobes on the first body cause the gates to swing about respective swing axes as the first body rotates relative to the second body. The lobes and the lands are configured so that a lobe forms a substantial seal against a land when in mutual radial alignment.

IPC Classes  ?

• F01C 1/32 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group and relative reciprocation between the co-operating members
• F01C 19/02 - Radially-movable sealings for working fluids
• F04C 2/32 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group and relative reciprocation between the co-operating members
• F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
• F04C 18/32 - Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group and relative reciprocation between the co-operating members
• F04C 27/00 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
• F04C 2/356 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F04C 11/00 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston typePumping installations
• F01C 1/40 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member
• F01C 21/08 - Rotary pistons
• F01C 21/10 - Outer members for co-operation with rotary pistonsCasings

Abstract

A fluid rotary machine includes first and second bodies and that are rotatable relative to each other. The second body is inside the first body to define a working fluid space there between. In addition, the machine includes a plurality of gates. Each gate 18 is supported by the first body and is movable in a radial direction with respect to the first and second bodies to extend into and retract from the working fluid space. The machine also includes a magnetic gate control system configured to exert control of the motion and/or position of the gates in the radial direction. The magnetic gate control system is a dispersed system including magnets or magnets and components made of ferromagnetic materials. The magnetic gate control system may be dispersed between the gates, and one or both of the bodies.

IPC Classes  ?

• F04C 2/00 - Rotary-piston machines or pumps
• F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
• F01C 21/08 - Rotary pistons
• F03C 2/30 - Rotary-piston engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
• F04C 2/356 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F04C 2/46 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member with vanes hinged to the outer member
• F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
• F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups

Abstract

A rotary fluid drive has first and second bodies 20, 120. The second body 120 is rotatable relative to and inside of the first body 20 defining a working fluid space 40 there between. Gates 130 are supported by the first body 20 and lobes 124 are provide on the second body 120. Gate pockets 26 are formed in the first body 20 into which the gates swing when contacted by the lobes 124. The gates 130 and the gate pockets 26 are configured to form a debris chamber 27 there between capable of temporarily accommodating solid debris. Each gate 130 has a plurality of projections 136A with intervening gaps 136B. The gaps form a gate pocket flow path 141. Working fluid flows via each gate pocket flow path 141 into the working fluid space 40 when the associated gate 130 is maximally deflected into its associated gate pocket 26.

IPC Classes  ?

• F04C 29/12 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
• F04C 2/352 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes being pivoted on the axis of the outer member
• F01C 1/356 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F04C 18/352 - Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes being pivoted on the axis of the outer member
• F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
• E21B 7/00 - Special methods or apparatus for drilling
• E21B 4/02 - Fluid rotary type drives

Abstract

A concentric rotary fluid machine (100) has a first body (102) and a second body (104) that are rotatable relative to each other about a rotation axis (108). The bodies (102, 104) are coaxially arranged one inside the other and form a working chamber (106) there between. A plurality of gates (110) are supported by the second body (104) in respective gate pockets (140). Each gate (110) has a gate cylinder (126) at one end and sealing portion (128) at an opposite end. Each gate pocket (140) has: a gate retention recess (42) which receives a gate cylinder (126); a gate seal recess (144) which receives sealing portion (128); and an intervening land (146). The sealing portion (128) reciprocates up and (10) down within a corresponding gate seal recess and is always in contact with both the recess (144) and the second body (102). A plurality of lobes (112) on the first body cause the gates (110) to swing about respective swing axes (114) as the first body rotates relative to the second body. The lobes (112) and the lands (146) are configured so that a lobe (112) is able to form a substantial seal against a land (146) when in mutual radial alignment.

IPC Classes  ?

• F04C 2/40 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member
• F04C 18/40 - Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member
• F01C 1/40 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member
• F03C 2/30 - Rotary-piston engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members

Abstract

A fluid rotary machine (10) comprises first and second bodies (12) and (14) that are rotatable relative to each other. Body (14) is inside the other body (12) to define a working fluid space (16) there between. The machine (10) has a plurality of gates (18). Each gate (18) is supported by the first body (12) and is movable in a radial direction with respect to both of the bodies (12) and (14) to extend into and retract from the working fluid space (16). The machine (10) also comprises a magnetic gate control system that is operable to exert control of the motion and/or position of the gates (18) in the radial direction. The magnetic gate control system is a dispersed system comprising a combination of: magnets 60v; or magnets and components made of ferromagnetic materials. The magnetic gate control system may be dispersed between the gates (18), and one or both of the bodies (12) and (14).

IPC Classes  ?

• F01C 1/356 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F04C 2/356 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F04C 21/00 - Oscillating-piston pumps specially adapted for elastic fluids
• F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
• F01C 1/10 - Rotary-piston machines or engines of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
• F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
• F04C 18/10 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member

Abstract

A rotary fluid machine 10 has a rotor 12, a stator 14, and a plurality of gates. The rotor 12 and stator 14 are rotatable relative to each other and arranged one inside the other to define a working chamber 18 there between. Gates 16 are supported in radial gate slots 20 formed in the rotor 12 and cyclically extend from and retract into the gate slots 20 as the rotor 12 rotates about stator 14. A plurality of demountable lobes is supported on an outer circumferential surface 24 of stator 14. The surface 24 forms a surface of the working chamber 18. Circumferential surface 24 is composed of an intermediate surface 48 which extends in an axial direction and opposite curved surfaces 46. The gate 16 has opposite rounded corners 130 separated by an axial planar surface 132. The shape and configuration of the gate 16 and corresponding is made to match that of the outer circumferential surface 24 so that when the axial surface 132 lies substantially adjacent and parallel to intermediate surface 48 each of the curved surfaces 130 lie closely adjacent to and substantially parallel with the concavely curved surfaces 46.

IPC Classes  ?

• F03C 4/00 - Oscillating-piston engines
• F04C 2/00 - Rotary-piston machines or pumps
• F04C 18/00 - Rotary-piston pumps specially adapted for elastic fluids
• F01C 1/356 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F01C 1/348 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member
• F04C 2/348 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member
• F04C 2/356 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F01C 21/08 - Rotary pistons
• F01C 21/10 - Outer members for co-operation with rotary pistonsCasings

Abstract

A rotary fluid drive has first and second bodies (20, 120) with the second body (120) rotatable relative to and inside of the first body (20) to define a working fluid space (40) there between. Gates (130) are supported by the first body (20) and lobes (124) are provide on the second body (120). Gate pockets (26) are formed in the first body (20) into which the gates swing when contacted by the lobes (124). The gates (130) and the gate pockets (26) are relatively configured to form a debris chamber (27) there between capable of temporarily accommodating solid debris carried in the working fluid. Each gate (130) has a surface (135) facing the associated gate pocket (26) and having a plurality of projections (136A), with gaps (136B) between adjacent projections (136A) defining a gate pocket flow path (141). Working fluid can flow via each gate pocket flow path (14) from the associated gate pocket (26) into the working fluid space (40) when the associated gate (130) is maximally deflected into its associated gate pocket (26).

IPC Classes  ?

• E21B 4/02 - Fluid rotary type drives
• E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
• F03B 13/02 - Adaptations for drilling wells
• F03B 3/04 - Machines or engines of reaction typeParts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
• F01C 1/46 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member with vanes hinged to the outer member
• F01C 21/08 - Rotary pistons
• F04C 2/46 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member with vanes hinged to the outer member
• F01C 1/12 - Rotary-piston machines or engines of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type

Abstract

A rotary fluid machine (10) has a rotor (12), a stator (14), and a plurality of gates. The (rotor 12) and stator (14) are rotatable relative to each other and arranged one inside the other to define a working chamber (18) there between. Gates (16) are supported in radial gate slots (20) formed in the rotor (12) and cyclically extend from and retract into the gate (slots 20) as the rotor (12) rotates about stator (14). A plurality of demountable lobes is supported on an outer circumferential surface (24) of stator (14). The surface (24) forms a surface of the working chamber (18). Circumferential surface (24) is composed of an intermediate surface (48) which extends in an axial direction and opposite curved surfaces (46). The gate (16) has opposite rounded corners (130) separated by an axial planar surface (132). The shape and configuration of the gate (16) and corresponding is made to match that of the outer circumferential surface (24) so that when the axial surface (132) lies substantially adjacent and parallel to intermediate surface (48) each of the curved surfaces (130) lie closely adjacent to and substantially parallel with the concavely curved surfaces (46).

IPC Classes  ?

• F04C 2/40 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member
• F04C 18/40 - Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member
• F01C 1/40 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member
• F03C 2/30 - Rotary-piston engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members

Abstract

A fluid rotary machine (10) comprises first and second bodies (12) and (14) that are rotatable relative to each other. Body (14) is inside the other body (12) to define a working fluid space (16) there between. The machine (10) has a plurality of gates (18). Each gate (18) is supported by the first body (12) and is movable in a radial direction with respect to both of the bodies (12) and (14) to extend into and retract from the working fluid space (16). The machine (10) also comprises a magnetic gate control system that is operable to exert control of the motion and/or position of the gates (18) in the radial direction. The magnetic gate control system is a dispersed system comprising a combination of: magnets 60v; or magnets and components made of ferromagnetic materials. The magnetic gate control system may be dispersed between the gates (18), and one or both of the bodies (12) and (14).

IPC Classes  ?

• F01C 1/10 - Rotary-piston machines or engines of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
• F01C 1/356 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
• F04C 2/356 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
• F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
• F04C 18/10 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
• F04C 21/00 - Oscillating-piston pumps specially adapted for elastic fluids

Abstract

A rotary fluid drive has first and second bodies 20, 120. The second body 120
is
rotatable relative to and inside of the first body 20 defining a working fluid
space 40
therebetween. Gates 130 are supported by the first body 20 and lobes 124 are
provided
on the second body 120. Gate pockets 26 are formed in the first body 20 into
which the
gates swing when contacted by the lobes 124. The gates 130 and the gate
pockets 26
are configured to form a debris chamber 27 therebetween capable of temporarily

accommodating solid debris. Each gate 130 has a plurality of projections 136A
with
intervening gaps 136B. The gaps form a gate pocket flow path 141. Working
fluid flows
via each gate pocket flow path 141 into the working fluid space 40 when the
associated
gate 130 is maximally deflected into its associated gate pocket 26.

IPC Classes  ?

• E21B 4/02 - Fluid rotary type drives
• E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
• F01C 1/12 - Rotary-piston machines or engines of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
• F01C 1/46 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member with vanes hinged to the outer member
• F01C 21/08 - Rotary pistons
• F03B 3/04 - Machines or engines of reaction typeParts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
• F03B 13/02 - Adaptations for drilling wells
• F04C 2/46 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member with vanes hinged to the outer member