Matches 1 - 33 out of 33


Match Document Document Title
US20120251370 INTERNAL GEAR PUMP  
An internal gear pump for delivering a fluid, in particular one of the gerotor pump type, having a driven gear wheel, a rotatable annular gear interacting with the gear wheel, and a substantially...
US20090152009 Nano particle reinforced polymer element for stator and rotor assembly  
A nano particle reinforced polymer element of a stator and rotor assembly for a power section of a positive displacement fluid motor or a progressive cavity pump. Nano-sized particles are blended...
US20150152732 GEROTOR APPARATUS FOR A QUASI-ISOTHERMAL BRAYTON CYCLE ENGINE  
According to one embodiment of the invention, an engine system comprises a housing, an outer gerotor, an inner gerotor, a tip inlet port, a face inlet port, and a tip outlet port. The housing has...
US20100003152 Gerotor apparatus for a quasi-isothermal brayton cycle engine  
According to one embodiment of the invention, a gerotor apparatus includes a first gerotor, a second gerotor, and a synchronizing system operable to synchronize a rotation of the first gerotor...
US20070224064 Pump Apparatus And Methods For Using Same  
A pump apparatus for transporting at least one fluid, comprising a shaft, wherein the shaft has a longitudinal axis; a motor, wherein the motor is adapted to rotate the shaft about the...
US20070086907 Gearwheel and method for manufacturing a gearwheel  
The invention concerns a gearwheel (1) with a gear rim (2) and an insert (3) whose external diameter (d3) is greater than half of the external diameter (d1) of the gearwheel (1), wherein the...
US20060039815 Fluid displacement pump  
An internal gear fluid displacement pump. The fluid displacement pump includes an outer gear having internal teeth disposed about an inner surface thereof, an annular element constituting the...
US20060140810 Motor-mounted internal gear pump and electronic device  
The invention relates to a pump which assures high reliability while maintaining the functionality as a compact, inexpensive motor-mounted internal gear pump. The pump includes an inner rotor with...
US20100183454 ROTARY DISPLACEMENT PUMP  
A rotary displacement pump (2) for pumping a medium, having a pump housing (3); a reception chamber (4) which is formed in the pump housing (3), with an inlet area (26) and an outlet area (27); at...
US20110091343 DRILL MOTOR ASSEBLY  
A stator for use with a drill rotor, the stator formed at least in part by a ceramic and/or cermet reinforced alloy material.
US20050063851 Gerotor pumps and methods of manufacture therefor  
Improved gerotor pumps (10, 100, 150, 180, 210, 230, 260, 270, 310, 340, 370, 400) each featuring an outer rotor (18, 184, 202) of a gerotor set (12, 186, 204, 344) located laterally with respect...
US20060067849 Rotor structure of inscribed gear pump  
An inscribed gear rotor includes a housing forming a cylindrical space, a driven rotor including a plurality of inner gears, a driving rotor including a plurality of outer gears engaging with the...
US20160160982 HYDRAULIC CONTROL UNIT HAVING INTERFACE PLATE DISPOSED BETWEEN HOUSING AND PUMP  
A hydraulic control unit that delivers hydraulic fluid to a limited slip differential constructed in accordance to the present disclosure can include a hydraulic control unit housing, a motor, a...
US20150071795 FLUID DISPLACEMENT SYSTEM USING GEROTOR PUMP  
A fluid displacement system for a fluid producing subterranean well includes a well extending from a surface to a subterranean fluid bearing formation, the formation being in fluid communication...
US20100119398 Gerotor Pump  
A gerotor pump has a pump body having a cavity for housing an outer rotor having an outer surface which slides on the surface of the cavity, and an inner surface with lobes projecting inwards of...
US20050214149 Displacement pump with variable volume flow  
A displacement pump with variable volume flow having a casing; a chamber with an inlet opening on a low pressure side and an outlet opening on a high pressure side for a fluid; an internal rotor...
US20060029509 Trochoid pump  
A trochoid pump for supplying hydraulic fluid to a power cylinder in a power steering system. The trochoid pump includes a housing formed therein with an annular operating chamber. Outer rotor...
US20080240960 Pump  
A pump assembly including a gerotor pump having an inlet and an outlet, and comprising an annulus and a lobed rotor, one, but not both, of the rotor or annulus being split axially into two parts,...
US20070092392 Internal gear pump  
An internal gear pump includes a recessed portion communicating with each corresponding interproximal space and defined in a way that the inlet port and the outlet port are prevented from...
US20090087333 Gerotor pump  
A gerotor pump comprises a rotor chamber having a longitudinally extending central axis, an outer rotor rotatable in the rotor chamber with a radial clearance between an outer periphery of the...
US20050142018 Increased capacity valving plates for a hydraulic motor  
A hydraulic gerotor motor utilizing the holes surrounding the main assembly bolts together with interconnecting radially extending passages so as to allow for the transfer of fluid axially through...
US20100028186 HYDRAULIC MACHINE  
A hydraulic machine is disclosed with an externally toothed gear wheel (3) and an internally toothed ring, the gear wheel (3) and the ring together forming pressure pockets, which expand and...
US20080038135 CORROSION RESISTANT HYDRAULIC MOTOR  
A corrosion resistant hydraulic motor includes a housing, an output shaft extending through an opening in the housing, a sealing member contacting the output shaft and a water proof coating...
US20070140887 Method for Imparting Residual Compressive Stress in Metal Parts  
A method of hardening metal parts, such as a rotor or drive link, and parts thus produced. Preferably the method includes imparting residual compressive stresses into the metal parts and uses...
US20060210417 Inscribed gear pump  
An inscribed gear pump that provides a housing, an outer rotor formed with a plurality of inner teeth continuously at an internal circumference thereof which is rotatably provided to an inside of...
US20080145255 Hydraulic pump for vehicle  
A hydraulic pump for a vehicle includes: a block; a pulley receiving an engine torque and rotating; a pump housing attached to the block; an outer rotor mounted in the pump housing; an inner rotor...
US20060188381 Seal assembly for hydraulic pump output shaft  
A seal assembly for a hydraulic pump is provided. The assembly includes a spacer ring, a rotor having a first side and a second side, the first side engaging the spacer ring, and a spring-loaded...
US20150050176 Cycloidal Pinwheel Pair with Uniform Contact and One-tooth Difference  
Disclosed is a cycloidal pinwheel pair with uniform contact and one-tooth difference, comprising a stator and a rotor. Each gear tooth profile of the rotor has a modified recess provided...
US20130068328 Gerotor Pump Assembly and Engine Fluid Delivery System Using a Gerotor Pump Assembly  
A gerotor pump assembly includes a gerotor pump and a relief valve assembly. The relief valve assembly is operably coupled to the pump housing and includes a relief valve inlet in fluid...
US20100098571 Pump Apparatus and Methods for Using Same  
A pump apparatus for transporting at least one fluid, comprising a shaft, wherein the shaft has a longitudinal axis; a motor, wherein the motor is adapted to rotate the shaft about the...
US20150132170 PUMP UNIT  
A pump unit includes a housing which has an outwardly open recess, in which a pump is arranged. The recess is closed by a cover. The pump unit also has a pressure relief valve which is arranged in...
US20080031759 Hydraulic rotary motor  
A hydraulic rotary motor, in particular to a stewing gear for elevating plant such as excavator grabs, etc., comprising a housing in which a rotor is rotatably received as well as a ring piston...
US20050145213 Electric power generator assembly  
An electric power generator assembly comprises a rotary piston engine having a housing, which defines a chamber. A rotary piston having an oval contour is rotatably guided in this chamber. A...

Matches 1 - 33 out of 33