Abstract

A progressing cavity pump system including a rotor and a stator having an inner cavity. The rotor is rotationally disposed inside the inner cavity of the stator such that rotation of the rotor relative to the stator causes material in the inner cavity to be pumped therethrough. The pump system further includes a universal joint directly or indirectly rotationally coupled to the rotor, and a cooling system thermally coupled to the universal joint and configured to cool the universal joint by active heat exchange at a position remote from the universal joint.

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
• F03C 2/00 - Rotary-piston engines
• F03C 4/00 - Oscillating-piston engines
• F04C 2/00 - Rotary-piston machines or pumps
• F16D 3/80 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive in which a fluid is used
• F04C 29/04 - HeatingCoolingHeat insulation
• F04C 2/107 - 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 with helical teeth
• F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups

Abstract

A progressing cavity pump system including a rotor and a stator having an inner cavity. The rotor is rotationally disposed inside the inner cavity of the stator such that rotation of the rotor relative to the stator causes material in the inner cavity to be pumped therethrough. The pump system further includes a universal joint directly or indirectly rotationally coupled to the rotor, and a cooling system thermally coupled to the universal joint and configured to cool the universal joint by active heat exchange at a position remote from the universal joint.

IPC Classes  ?

• F04C 2/107 - 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 with helical teeth
• F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups

Abstract

A progressing cavity pump system including a rotor and a stator having an inner cavity. The rotor is rotationally disposed inside the inner cavity of the stator such that rotation of the rotor relative to the stator causes material in the inner cavity to be pumped therethrough. The pump system further includes a universal joint directly or indirectly rotationally coupled to the rotor, and a cooling system thermally coupled to the universal joint and configured to cool the universal joint by active heat exchange at a position remote from the universal joint.

IPC Classes  ?

• F04C 2/107 - 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 with helical teeth

Abstract

A gear joint with finished surfaces and other enhancements that allows the gear joint to accommodate higher loads. In particular, in one embodiment, the invention is a ball gear system including a ball gear having a spherical surface, a ring gear configured to receive the ball gear therein and be rotationally coupled thereto, and a thrust plate. The thrust plate is configured to be positioned adjacent to the ball gear to take up thrust forces transmitted thereto. The thrust plate has a recess configured to closely receive the spherical surface therein, and the spherical surface has a surface roughness of less than about 10 Ra in microns.

IPC Classes  ?

• F04C 2/107 - 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 with helical teeth
• F16D 3/18 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts having slidably-interengaging teeth

Abstract

A seal system including a sleeve configured to receive a rotatable shaft therein and a dynamic race configured to be rotatably coupled to the shaft. The seal system further includes a biasing element configured to urge the dynamic race into engagement with a static race to form a primary seal, and a shroud configured to be rotatably coupled to the sleeve and positioned radially outside the biasing element. The seal system also includes a sealing element configured to be positioned radially inside the biasing element and to sealingly engage the sleeve to provide a secondary seal to generally block fluid bypassing the primary seal.

IPC Classes  ?

• B02C 23/36 - Adding fluid, other than for crushing or disintegrating by fluid energy the crushing or disintegrating zone being submerged in liquid

Abstract

A gear joint with finished surfaces and other enhancements that allows the gear joint to accommodate higher loads. In particular, in one embodiment, the invention is a ball gear system including a ball gear having a spherical surface, a ring gear configured to receive the ball gear therein and be rotationally coupled thereto, and a thrust plate. The thrust plate is configured to be positioned adjacent to the ball gear to take up thrust forces transmitted thereto. The thrust plate has a recess configured to closely receive the spherical surface therein, and the spherical surface has a surface roughness of less than about 10 Ra in microns.

IPC Classes  ?

• F16D 3/18 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts having slidably-interengaging teeth

Abstract

A gear joint with finished surfaces and other enhancements that allows the gear joint to accommodate higher loads. In particular, in one embodiment, the invention is a ball gear system including a ball gear having a spherical surface, a ring gear configured to receive the ball gear therein and be rotationally coupled thereto, and a thrust plate. The thrust plate is configured to be positioned adjacent to the ball gear to take up thrust forces transmitted thereto. The thrust plate has a recess configured to closely receive the spherical surface therein, and the spherical surface has a surface roughness of less than about 10 Ra in microns.

IPC Classes  ?

• F04C 2/00 - Rotary-piston machines or pumps

Abstract

A seal system including a sleeve configured to receive a rotatable shaft therein and a dynamic race configured to be rotatably coupled to the shaft. The seal system further includes a biasing element configured to urge the dynamic race into engagement with a static race to form a primary seal, and a shroud configured to be rotatably coupled to the sleeve and positioned radially outside the biasing element. The seal system also includes a sealing element configured to be positioned radially inside the biasing element and to sealingly engage the sleeve to provide a secondary seal to generally block fluid bypassing the primary seal.

IPC Classes  ?

• B02C 7/08 - Crushing or disintegrating by disc mills with coaxial discs with vertical axis
• B02C 7/11 - Crushing or disintegrating by disc mills Details
• F16J 15/34 - Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
• F16J 15/54 - Other sealings for rotating shafts

Abstract

A screen and grinder assembly including a frame, a grinder unit removably coupled to the frame, and a screen unit coupled to the frame. The screen unit is configured to divert solids suspended in a liquid stream to the grinder unit for grinding thereby.

IPC Classes  ?

• B02C 18/06 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like with rotating knives

Abstract

A progressing cavity pump system including a rotor and a stator having an inner cavity. The rotor is rotationally disposed inside the inner cavity of the stator such that rotation of the rotor relative to the stator causes material in the inner cavity to be pumped through the stator. The stator includes at least two radially separable stator portions such that when at least one of the stator portions is removed, at least one of the rotor or the inner cavity is exposed.

IPC Classes  ?

• F01C 19/00 - Sealing arrangements in rotary-piston machines or engines
• F04C 5/00 - Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
• F04C 2/00 - Rotary-piston machines or pumps

Abstract

A progressing cavity pump system including a feeder assembly including a hopper for receiving material to be pumped therein. The feeder assembly includes an auger housing receiving an auger therein. The auger housing has an underlying portion positioned generally below the hopper and having a radial opening open to the hopper, and an extension portion which is generally radially closed. The extension portion and the underlying portion are of a one-piece, seamless construction. The pump system further includes a progressing cavity pump including a rotor, a stator, an inlet and an outlet. The rotor is rotationally disposed inside the stator such that rotation of the rotor causes material in the pump to be pumped from the inlet toward the outlet, and the inlet is fluidly coupled to the extension portion.

IPC Classes  ?

• F04B 23/08 - Combinations of two or more pumps the pumps being of different types

Abstract

A method for making a stator assembly including the steps of providing a generally cylindrical stator casing, hydroforming the stator casing into a generally helical shape, and positioning a stator liner having a generally helical shape inside the stator casing.

IPC Classes  ?

• B21D 26/02 - Shaping without cutting otherwise than by using rigid devices or tools or yieldable or resilient pads, e.g. shaping by applying fluid pressure or magnetic forces by applying fluid pressure
• B23P 15/00 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
• B23P 17/00 - Metal-working operations, not covered by a single other subclass or another group in this subclass

Abstract

A progressing cavity pump heat management system including a progressing cavity pump and a controller. The controller is configured to receive data relating to the temperature of materials exiting the pump and the differential pressure across the pump to determine whether corrective action is required. The controller is configured such that if the controller determines that corrective action is required, the controller institutes corrective action to seek to reduce at least one of the temperature of materials exiting the pump or differential pressure across the pump.

IPC Classes  ?

• F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups

Abstract

A progressing cavity pump including a drive component configured to be rotated by a motor and a driven component that is magnetically rotationally coupled to the drive component. The driven component is fluidly isolated from the drive component. The pump further includes a wobble stator and a rotor positioned inside the stator and configured such that rotation of the driven component causes relative rotation between the rotor and the stator, which in turn causes material in the pump to be pumped therethrough.

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
• F03C 2/00 - Rotary-piston engines
• F04C 18/00 - Rotary-piston pumps specially adapted for elastic fluids

Goods & Services

(1) Computer software for use in sizing and selecting industrial pumps.

Abstract

A cutting assembly including a pair of substantially parallel shafts, each shaft having a plurality of axially spaced cutting blades mounted thereon such that each blade forms an oblique angle with respect to a central axis of the associated shaft, wherein each cutting blade includes a central body having a plurality of teeth radially spaced thereabout.

IPC Classes  ?

• B26D 1/153 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis with inclined cutting member
• B26D 1/26 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
• F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
• F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups

Goods & Services

(1) Industrial grinding and shredding equipment, namely, comminutors, sludge grinders, sewage grinders and tire shredders.

Goods & Services

Pumps for pumping oil, gas and sand.