Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 16,453

Document Document Title
WO/2017/165459A1
The vane pump assembly includes a housing with an inner wall that surrounds an open chamber. A rotor is rotatably disposed in the open chamber and has a circular shape when viewed in cross section. A first pair of vanes are received in t...  
WO/2017/161428A1
The prior art vane pump cannot be used for pumping non-Newtonian fluids, especially fluids with suspended solid particles, in particular abrasive fluids such as ceramic pastes, cement and concrete pastes, ore pulps and the like. The pres...  
WO/2017/159135A1
A hydraulic device comprises: a pair of helical gears (20, 25); a body (2) for accommodating the gears (20, 25); bearing members (40, 45) for supporting the gears (20, 25); side plates (30, 135) provided between the gears (20, 25) and th...  
WO/2017/154023A1
The present invention relates to motor with positive displacement helical pump inside motor shaft comprises a stator body (5) within which the rotor (14) is rotatably mounted, helical rotating shaft (15) rotatably positioned inside the r...  
WO/2017/154490A1
Provided is a variable capacity vane pump that can minimize fluctuations in discharge flow rate. In this variable capacity vane pump, among a plurality of straightening walls 33, 34, 35 provided inside a discharge pressure chamber 202, a...  
WO/2017/154438A1
Provided is a variable displacement pump comprising: a first control oil chamber 21 for applying force by internal oil pressure, to a cam ring 5 in the direction in which the amount of change in the volume of pump chambers 13 is reduced;...  
WO/2017/148846A1
The invention relates to a gear pump, having at least a first and a second rotatable element (12, 13), wherein the first rotatable element (12) has a toothing system (121) which interacts with a toothing system (131) of the second rotata...  
WO/2017/150833A1
The present invention relates to a centrifugal suction-type hybrid vane fluid machine and, more particularly, to a centrifugal suction-type hybrid vane fluid machine wherein a cam ring, which rotates inside a compressor, has a plurality ...  
WO/2017/150877A1
Provided is a twin-cylinder pump for preventing one-sided wear and the leakage of fluid, which are caused by the eccentric rotation and rotary motion of each rocker shaft, and enabling replacement or repair to be simply and easily perfor...  
WO/2017/143459A1
A downhole pumping apparatus comprising a positive displacement rotary gear pump (RGP), driven by a rotating rod string or a submersible electric motor.  
WO/2017/143437A1
An improvement to an expander is disclosed. The expander is of the type that has vanes that extend and retract from a rotor body during rotation and create chambers that increase and decrease in size. The improvement comprises, for each ...  
WO/2017/144499A1
The invention relates to a pump assembly (1), at least comprising a first housing (2), in which at least one first drive means (3) for conveying a fluid (4) is rotatably mounted, wherein a first drive shaft (5) of the first drive means (...  
WO/2017/144190A1
A pumping assembly to feed fuel, preferably diesel fuel, to an internal combustion engine is provided with an electric gear pump (7) having two gears (33, 37) mounted one inside the other, and of which one is an annular rotor (33) mounte...  
WO/2017/140311A1
The invention relates to a pump drive for conveying a reduction medium for motor vehicle exhaust systems, comprising an electronically commutated DC motor, a displacement pump and a freezing compensation. The invention also relates to a ...  
WO/2017/141478A1
A vane pump (100) is provided with annular recessed sections (23, 24) formed in an outer peripheral surface (20a) of a rotor (20), and in the recessed sections (23, 24), both side surfaces (23A, 23B, 24A, 24B) are sloped to be closer to ...  
WO/2017/139152A1
A submersible well pump assembly (15) has upper and lower seal sections (19, 20) connected between the pump (21) and a motor (17). The seal sections have drive shafts (37, 55) with thrust runners (39, 57) that engage thrust bearing bases...  
WO/2017/135656A1
The present disclosure may provide a compressor in which an outer circumferential side cross-sectional area of a vane slot is formed to be smaller than an inner circumferential side cross-sectional area thereof to decrease an area receiv...  
WO/2017/135008A1
A screw pump (101) is provided with a male screw (4), a female screw (5), a motor (6), a journal (7), a bearing member (8), and a case (201). The motor (6) has an output shaft (64) for transmitting torque to the male screw (4), and can d...  
WO/2017/129794A1
The invention relates to a rotary piston pump comprising a housing with a housing interior, an inlet opening, and an outlet opening; a first rotary piston which is mounted within the housing interior in a rotational manner about a first ...  
WO/2017/132116A1
A commutator/manifold assembly controls a flow of hydraulic fluid in a hydraulic fluid system. The assembly includes a commutator having an offset design including an inner portion eccentrically encompassed within an outer portion, and o...  
WO/2017/129028A1
A spinning air pump, a groove (13) is provided on the internal circle surface of a pump body (1) between a first port (11) and a second port (12); the groove (13) is provided with a spacer (14) therein, one end of which is connected with...  
WO/2017/131411A1
The present invention relates to a vane pump and a method for determining a profile inside a cam ring constituting the same, the method being capable of increasing a theoretical ejection amount by increasing the volume of a vane pump cha...  
WO/2017/121463A1
The automotive electrical oil pump (10) comprises an oil displacement pumping unit (14) comprising a pump rotor (96) rotating in a pump chamber (100) for pumping pressurized oil to an oil recipient. Further, the oil pump comprises an ele...  
WO/2017/121461A1
The automotive electrical oil pump (10) comprises an oil displacement pumping unit (14) comprising a pump rotor (96) rotating in a pump chamber (100) for pumping pressurized oil to an oil recipient. Further, the oil pump comprises an ele...  
WO/2017/118600A1
The invention relates to a rotary piston pump (D), having a rotary piston (1) that can be rotated in a pump chamber (9) and having at least two outer rotors (2; 3), by which inlet openings (10; 11) and/or outlet openings (12; 13) can be ...  
WO/2017/116732A1
A system and method of producing fluid from a wellbore 12 by pressurizing the fluid and then directing the pressurized fluid to a centrifugal pump 26. Pressurizing the fluid compresses gas or vapor within the fluid, thereby decreasing th...  
WO/2017/114086A1
Provided is a transfer pump (1) for conveying a solid-liquid mixture. The transfer pump comprises a pump body (11), an inner rotor (12), an outer rotor (13), a hinge pin (14), a transmission shaft (15), a bearing assembly (10), an inner ...  
WO/2017/109606A1
A variable volume positive displacement vane pump comprising: -a rotor (2) that can rotate about an axis (20) of rotation; the rotor (2) comprising the vanes (23) and slots (22) at least partially housing the vanes (23), said slots (22) ...  
WO/2017/112499A1
A process for constructing a hybrid material part includes mixing a metal powder and a binder to form a compounded mixture, heating the compounded mixture, injecting the compounded mixture into a first mold to form a green part, and debi...  
WO/2017/106909A1
Various designs for hydraulic devices are disclosed including hydraulic devices that can include a rotor and a ring are disclosed. The rotor can be disposed for rotation about an axis and can have a plurality of plurality of vanes extend...  
WO/2017/108470A1
A pumping assembly to feed fuel, preferably diesel fuel, to an internal combustion engine is provided with an electric gear pump (7) having a pump body (24), a closing lid (27) to close the pump body (24), a stator (29), an annular rotor...  
WO/2017/110221A1
The present invention is provided with a stator 32 wherein an internal peripheral surface is formed as a female thread, a rotor 33 comprising a male screw shaft body that can be inserted into the stator 32, an external housing 31 capable...  
WO/2017/104844A1
One embodiment of this pump device comprises: a shaft that rotates around a central axis extending in the axial direction; a motor unit that rotates the shaft in both directions; and a pump unit that is positioned on one side of the moto...  
WO/2017/104843A1
One embodiment of this pump device comprises: a shaft; a motor unit that rotates the shaft in both directions; and a pump unit. The pump unit has: a pump gear; a pump body having a through-hole having an opening on one side in the axial ...  
WO/2017/103852A1
The present disclosure relates to a variable displacement pump with rotary vanes, in particular for oil, comprising a body with a cavity in which a movable ring slides longitudinally on the rotor that rotates about a shaft and is provide...  
WO/2017/104420A1
This fuel pump is provided with: an outer gear; an inner gear; a housing that houses both the gears; a rotary shaft (3a) driven to rotate by an electric motor; and a cylindrical sliding bearing (50) that radially bears the rotary shaft (...  
WO/2017/100552A1
A hydraulic tool includes a stator, a rotor, and a removable coating. At least one of the stator and the rotor comprises a resilient material. The removable coating has a thickness compensate for expected swelling of the resilient materi...  
WO/2017/097898A1
The invention relates to a heatable screw spindle pump (10) comprising a housing (12) surrounding a delivery chamber, at least one rotor (18) having a thread-type profile, a housing insert (20) arranged in the housing (12) and surroundin...  
WO/2017/099664A1
A bearing arrangement for a unit that is mutually turnable around a centre of rotation (R) comprising an external part (1) and an internal part (7), which, with the aid of high hydraulically acting pressure, is arranged to achieve a reci...  
WO/2017/092862A1
The invention relates to an external gear pump (1), having a driving first pump gear (2) and having a second pump gear (3) driven by the first pump gear (1), which intermesh with each other to convey a fluid from a suction side (7) to a ...  
WO/2017/092958A1
The invention relates to a threaded spindle machine comprising: a metal middle housing part (12) arranged between housing end caps (24) and forming a fluid chamber (16) for receiving a plurality of threaded spindles mounted in the housin...  
WO/2017/095052A1
A compression type vane pump of the present invention comprises: a housing main body (10) in which an inlet (11) through which fluid flows in is formed on one side thereof, an outlet (12) through which fluid is discharged is formed on an...  
WO/2017/093073A1
The invention relates to pumping units, comprising a pump chamber, in which a rotor is rotatably arranged, which rotor is rotatably supported on a drive shaft and is driven by the drive shaft by means of a driver coupled to the drive sha...  
WO/2017/089298A1
Gear pump (1) for pumping liquids, of the type comprising: a stator unit (2), which is equipped with a substantially cylindrical cavity (3) and is designed to generate a magnetic field rotating on the inside of said cavity (3); a substan...  
WO/2017/079197A1
An apparatus and method prevent entrained solids from entering a pump by directing a process stream through an active upstream filter that removes the solids, and then through a downstream idle filter where the process stream purges the ...  
WO/2017/079148A1
A gear pump comprising a bearing and first and second high pressure feeds from a bearing lube supply source to a lube pad disposed on an inside diameter of the bearing. Each of the first and second high pressure feeds includes an orifice...  
WO/2017/077798A1
The objective is to provide a gear pump device for rubber extrusion wherein burning of rubber at a gear support part is prevented, and the maintenance interval is increased. In the present invention a bush ring 5 is inserted into a gear ...  
WO/2017/079163A1
A supercharged internal combustion engine (10) has a supercharger (11) operable to selectively supply a mass of air from below through above atmospheric air pressure according to the operating requirements of the engine (10). The superch...  
WO/2017/077948A1
A pump housing (70) is provided with: a pair of sliding surfaces (72, 82) which sandwich an outer gear (30) and an inner gear (20) therebetween from both sides so that both the gears (20, 30) will slide on the pair of sliding surfaces (7...  
WO/2017/079155A1
Overheating of a process liquid retained in a reservoir of a multiphase pump during extended gas slugs is avoided by circulating a cooling liquid in thermal contact with a process liquid through an external cooling apparatus, which can i...  

Matches 351 - 400 out of 16,453