ECCENTRIC SCREW PUMP

COMPENSATION FOR ROTOR TILT IN HYBRID PDM STATORS

ROTOR STATOR PUMP

PLASTICIZER EXTENDING DYNAMIC FATIGUE LIFE IN FIBER REINFORCED ELASTOMERS

PROGRESSIVE CAVITY PUMP WITH PUMP RADIALLY WITHIN ELECTRIC MOTOR

PARTICLE ADJUSTING DRILLING ASSEMBLY AND METHOD

Stator for a Pump and Method for Producing a Stator for a Pump

NON-LUBRICATED COMPRESSOR WITH ABRADABLE SEALING ELEMENT AND RELATED METHOD FOR ASSEMBLING IT

ROTOR TILT COMPENSATION IN PDM STATORS

Particle adjusting drilling assembly and method

FREE-MOLD STATOR FOR A PROGRESSING CAVITY PUMP

Eccentric screw pump having a stator linking which is simpler to produce

Sealing In Helical Trochoidal Rotary Machines

MODULAR STATOR FOR PROGRESSIVE CAVITY DEVICES

STATOR FOR A VACUUM PUMP

STATOR FOR A VACUUM PUMP

Method and apparatus for an end seal for increasing efficiency of a submersible multistage labyrinth-screw pump

Uniaxial eccentric screw pump with radial adjustment of the stator

Axial Load In Helical Trochoidal Rotary Machines

ROTOR FOR AN ECCENTRIC SCREW PUMP AND METHOD FOR THE MANUFACTURE THEREOF

High modulus liners in PDM stators with diameter reliefs compensating for rotor tilt

Static scroll applied in scroll compressor and scroll compressor

MAGNETICALLY OPERATED FLUID PUMPING APPARATUS

Electric pump

Scroll compressor

Boundary-layer pump and method of use

Eccentric screw pump with a modular design with a compressible stator lining to adjust for wear and/or improve sealing

Submersible centrifual pump having a hydrostatic support including thrust and support disks

PLASTICIZER REDUCING DYNAMIC FATIGUE IN FIBER REINFORCED ELASTOMERS

Hydraulic pump having impeller pump and trochoid pump

Sealing in helical trochoidal rotary machines

Multiple stage vacuum pump

Positive displacement motor stators with diameter reliefs compensating for rotor tilt

Pump system and method for optimized torque requirements and volumetric efficiencies

PUMP WITH HIGH TORQUE DRIVE

Hydraulic device configured as a starter motor

Pump

Multi-stage pump apparatus including sealing member

Eccentric screw pump with a pressure chamber between an elastomeric stator portion and a casing

Scroll compressor having enhanced discharge structure

Mud motor or progressive cavity pump with varying pitch and taper

Electric compressor

Uniaxial eccentric screw pump

Motor-pump system

Split power gerotor pump

Rotary compressor with unequally spaced vane slots

Scroll compressor including end-plate side stepped portions of each of the scrolls corresponding to wall-portion side stepped portions of each of the scrolls

Helical trochoidal rotary machines with improved solids handling

ROTATING ELECTRIC MACHINE, COMPRESSOR, AND METHOD OF MANUFACTURING ROTATING ELECTRIC MACHINE

Axial load in helical trochoidal rotary machines

Sliding vane fluid pump

Scroll compressor and process for compressing a gaseous fluid with the scroll compressor

Scroll compressor

All-metal conical combined screw pump suitable for petroleum field

Pump with high torque drive

High-pressure fuel pump

METAL FELT AND BRUSH STRUCTURES AS SEALING ELEMENTS IN METAL-METAL MUD MOTORS

Scroll compressor and refrigeration cycle device

Pump body assembly, fluid machinery, and heat exchange device

Stator with modular interior

Hydraulic orbital machine and method for adjusting an orbital machine

Tapered stators in positive displacement motors remediating effects of rotor tilt

Pump with high torque drive

Rotor for an eccentric screw pump and method for the manufacture thereof

INTEGRATED SCREW COMPRESSOR MOTOR

Fixed-eccentricity helical trochoidal rotary machines

OIL PUMP

Electric oil pump

Hydraulic motor with anti-cogging features

Helical trochoidal rotary machines

Stator element of a progressive cavity pump and progressive cavity pump

Helical trochoidal rotary machines with offset

Undercured stator for mud motor

Vane compressor with elastic member protruding into the cylinder

Semi-rigid stator

Pump having liquid blades and an associated method of pumping

Pump body assembly with a piston sleeve having protrusions for limiting radial movement between the piston sleeve and the structural members

Sealed drive for connecting progressive cavity pump rotors to universal joints

Scroll compressor having a press-fitted motor and a vertically central suction inlet

Rotary internal combustion motor with spark plugs and pre-heating spark plugs

Muffler for a compression mechanism of a rotary compressor

Sealing in helical trochoidal rotary machines

Variable displacement rotary vane pump

Oil field pump

OIL FIELD PUMP

Rotary screw compressor

Electric oil pump

Dismounting device for progressive cavity pumps

Load balanced power section of progressing cavity device

Elastomeric stator with modified fiber orientation

Scroll compressor

Plasticizer improving dynamic fatigue performance in fiber reinforced elastomers

Sealing in helical trochoidal rotary machines

Helical trochoidal rotary machines with offset

ELECTRIC OIL PUMP

Scroll compressor including retaining wall housing electrical machinery mechanism

Mud motor stators and pumps and method of making

LINEAR COMPRESSOR

Electric Pump

Stator and uniaxial eccentric screw pump

MOTOR-OPERATED COMPRESSOR

Stator assembly for a progressive cavity pump or a progressive cavity motor as well as method for manufacturing and repairing the same

Compressor with Oldham assembly

ELECTRIC GEAR PUMP

Pump assembly with sealing protrusion on stator bore portion

Scroll compressor having enhanced discharge structure

COMPRESSOR

COMPRESSOR

APPARATUS, SYSTEMS, AND METHODS FOR ECONOMIZED VAPOR COMPRESSION CYCLE

Eccentric screw compressor with exposable rotor connector

Gear pump

Rotary piston and cylinder device having a dish ringed rotor

ROTARY VANE HYDRAULIC ELEMENT

Scroll compressor

Stator and rotor profile for improved power section performance and reliability

Load balanced power section of progressing cavity device

MULTIPLE LOBE VANE FLUID PUMP HAVING ENHANCED UNDER-VANE CAVITY PRESSURIZATION

Two-stage variable-displacement oil pump

Compressor assembly with directed suction

Compressor assembly with directed suction

WATER PUMP

WATER PUMP

Compressor having oil recovery means

GEROTOR APPARATUS

Scroll compressor for a vehicle air-conditioning system having spiral wall including conical cut

Method for impregnating the stator of a progressive cavity assembly with nanoparticles

Transmission with double-flow sliding vane pump

VANE PUMP

CARTRIDGE VANE PUMP

Scroll compressor having an oil discharge device

Pump for dispensing liquid or semi-liquid or semi-solid food products and machine comprising said pump

Intermediate discharge port for a compressor

Scroll-type compressor having injection passage part to establish communication between an external injection pipe and compression chamber, and relief mechanism to establish communication between compression chamber and back pressure chamber

A STATOR OF A ROTARY VANE-TYPE PUMP

VANE PUMP

Liquid transport device with decreasing eccentricity of the rotor

Axis eccentric screw pump with an increasing diameter rotor with a constant sectional area stator

Axis eccentric screw pump with decreasing sectional area of stator with a constant diameter rotor

Wear-resistant coating for oil pump cavity

Abatement system

Compression mechanism for a compressor

Stator injection molding centralization

Pump and system for supplying a consumer

PUMP DEVICE

AUTOMOTIVE VACUUM PUMP

Rotation device and extraneous-matter removing apparatus

Uniaxial eccentric screw pump

Compressor

Scroll compressor including end-plate side stepped portions of each of the scrolls corresponding to wall-portion side stepped portions of each of the scrolls

Cylinder rotary compressor having an inlet of the rotor-side suction passage opened at the rotor-side concave portion and communicating with a rotor-side communication space therein

Variable displacement oil pump

Liquid transport device with decreasing pitches

Eccentric screw pump

Mud motor stators and pumps and method of making

Vane pump including back pressure grooves

Rotary compressor/pump

Variable displacement oil pump

Compressor with Oldham assembly

Rotary compressor having fluid passage between sliding vane and vane slot

VACUUM PUMP

VACUUM PUMP

Rotary-piston pump

Vane oil pump

Vane pump device and hydraulic apparatus

Vane pump device

Rotary compressor

VEHICLE HYDRAULIC DEVICE

Scroll compressor having an oil separation space

Scroll compressor

Vane pump and vane pump manufacturing method

Combustor for heating of airflow on a drill rig

Compressor

Vane pump with adjustable delivery volume

Variable vane displacement pump utilizing a control valve and a switching valve

Screw compressor

Motor vehicle vacuum pump

High efficiency air delivery system and method

PUMP DEVICE

Scroll compressor

SCROLL COMPRESSOR

Scroll compressor

UNIAXIAL ECCENTRIC SCREW PUMP

Uniaxial eccentric screw pump

Compressor assembly with directed suction

OIL PUMP

Discharge system

VARIABLE DISPLACEMENT LUBRICANT PUMP

Gear pump

Progressive cavity pump/motor stator including framework elements and grooves defining chambers

Rotary pump with a plastic composite structure

Power steering apparatus

Progressive cavity pump with uncoupled natural frequency

Long reach spindle drive systems and method

Dual axis rotor

Universal joint with cooling system

Rotary fluid machine operable as a motor or a pump

Power steering apparatus

Scroll-Type Fluid Machine

Scroll compressor

Compressor

Compressor having an inlet port formed to overlap with a roller and a cylinder-type rotor for compressing a refrigerant

Compressor

Compressor

Rotary vane engines with movable rotors, and engine systems comprising same

FLUOROPOLYMER-CONTAINING FILMS FOR USE WITH POSITIVE-DISPLACEMENT FLUID PUMPS

Helical gear pump

Revolving vane compressor and method for its manufacture

GEAR PUMP

Flow rate control device of hydraulic pump in power steering system

Long reach spindle drive systems and method

Vane pump with tilting pad radial bearings

LIQUID INJECTION TYPE SCREW COMPRESSOR

Fluoropolymer-containing films for use with positive-displacement fluid pumps

Rotary lobe pump

Methods for hardening pump casings

Rotary pump provided with an axially movable blade

Fast enclosure pumping with power saving

Composite dry vacuum pump having roots rotor and screw rotor

Working unit of a rotary combustion engine

Vacuum pump

Sound reduced rotary vane compressor

Rotary internal combustion engine

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

Single sliding vane rotary displacement pump

Method and apparatus for a submersible multistage labyrinth-screw pump