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Patent Searching and Data


Matches 851 - 900 out of 16,282

Document Document Title
WO/2013/124269A3
The present invention relates to a rotary piston (10) for a rotary piston pump, wherein the rotary piston (10) comprises at least one supporting body (12), through which the axis of rotation D of the rotary piston (10) extends, and at le...  
WO/2013/163987A1
The present invention relates to a rotary piston pump for conveying fluids and for conveying fluids containing solid materials. The rotary piston pump consists of a pump housing which is provided with an inlet and an outlet. The pump hou...  
WO/2013/162477A1
A vane mechanism comprising: an outer cylinder configured to rotate about its central longitudinal axis; an inner cylinder configured to rotate about its central longitudinal axis, the inner cylinder provided within the outer cylinder, t...  
WO/2013/159153A1
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...  
WO/2013/162427A1
The invention relates to the field of mechanical engineering and, more particularly, to multi-stage vane-type positive displacement pumps which can be used for lifting fluid from oil wells. The pump consists of stages disposed on a commo...  
WO/2013/000745A3
The invention relates to a micropump, comprising an inner rotor arranged on a shaft and an outer rotor, said rotors forming a rotor unit comprising a delivery chamber for fluid, wherein the pump comprises a multifunctional bearing elemen...  
WO/2013/045302A3
The invention relates to a displacement pump for delivering pressure medium to a consumer, in particular to an assisted steering system for motor vehicles. A pump stack (2) having a rotor (3), a cam ring (4) and a plurality of working sl...  
WO/2013/157730A1
A vane pump apparatus is disclosed. The vane pump apparatus comprises: a pump housing which has a cam ring for guiding a pumping operation of a fluid and a driving shaft provided to pass through the central part of the cam ring; a rotor ...  
WO/2013/157306A1
In the present invention the tooth profile of an inner rotor (2) is formed by the envelope of a group of arcs of a trajectory circle (C) the center of which is on a trochoidal curve (TC) described by a point separated from the center of ...  
WO/2013/102772A3
Gaseous medium forwarding unit with a circulating blade comprising a medium forwarding space (23), a housing (10) encasing the internal space (20) and accommodating an inlet port (21) and an outlet port (22) communicating with the medium...  
WO/2013/045152A3
The invention relates to an internal gear pump (1) serving as a return pump for a slip-controlled hydraulic vehicle brake system. The invention proposes mounting a ring gear (4) of the internal gear pump (1) in a bearing ring (5) made of...  
WO/2013/149750A1
The invention relates to a metering pump (1) made of plastic, with two rotors (10) coupled to one another via gears (11) and drivable in opposite directions, which are seated in a pump housing (5) equipped with suction ports (6) and outl...  
WO/2013/152112A1
A rotary blower having an inlet adaptor to vary the inlet geometry and thereby vary the dwell time. An actuator is configured to move the inlet adaptor between a plurality of positions. In a first position the inlet adaptor makes the dwe...  
WO/2013/143479A1
An oil pump is provided. The oil pump comprises a shell, a rotor mounting part (11) disposed at an end of the shell, and a rotor mechanism (2) disposed on the rotor mounting part (11). The shell has an inlet (161) and an outlet (162) and...  
WO/2013/146178A1
An oil supply device having: a low-pressure purge pump (separation pump) (2) that separates pre-processed oil, which contains air and is in an oil pan (1), into a first processed oil and a second processed oil having a higher air content...  
WO/2013/143535A2
The invention relates to a pin joint for eccentric screw pumps. The special design of the inner joint head of the pin joint, with its bores for the flushing liquid and the length of the joint pin, makes it possible also to carry out clea...  
WO/2013/146177A1
This invention has: a rotor (11) in which a plurality of slit grooves (12) are formed in a radial shape; a vane (21) housed in each of the slit grooves (12); a cam ring (31) arranged on the outer periphery of the rotor (11) and provided ...  
WO/2013/143741A1
The invention relates to an internal-gear pump (1) for a hydraulic brake system of a motor vehicle. A sickle-shaped separating piece (6), which separates a suction side (7) from a pressure side (8) in a sickle-shaped pump chamber (5) of ...  
WO/2012/149931A3
The disclosure relates to a variable displacement pump for regulating the supply of a plurality of consumers, having a movable cam ring for adjusting the stroke of the variable displacement pump, and a control valve device. The disclosur...  
WO/2013/141001A1
A variable-capacity vane pump in which the discharge capacity of a pump chamber varies due to variation in the amount of eccentricity of a cam ring relative to a rotor. Formed in an intake port is a port inner wall surface that extends a...  
WO/2013/140305A1
A rotary positive displacement pump for fluids, in particular for the lubrication oil of a motor vehicle engine (60), has a displacement that can be regulated by means of the rotation of a stator ring (112) having an eccentric cavity (11...  
WO/2013/141129A1
A variable-capacity vane pump comprising a first fluid pressure chamber and a second fluid pressure chamber provided across an oscillation fulcrum of a cam ring, a control valve being provided for controlling the drive pressure of operat...  
WO/2012/152924A3
The invention relates to an apparatus for sealing off, in particular in the region of a shaft feedthrough, a pump space of a rotary piston pump with respect to a fluid-free region of the rotary piston pump, wherein the apparatus has two ...  
WO/2013/141010A1
A variable-capacity vane pump having an oscillating cam ring, a discharge port being formed so that the absolute value of the difference between a discharge port starting end line incline angle and a discharge port final end line incline...  
WO/2013/140304A1
A rotary positive displacement pump for fluids, in particular for the lubrication oil of a motor vehicle engine (60), has a displacement that can be regulated by means of the rotation of a stator ring (12) having an eccentric cavity (13)...  
WO/2012/149929A3
The invention relates to a variable displacement pump comprising a cam ring which is positioned between a compensation pressure and a control pressure, said cam ring can be adjusted by means of the pressures in order to increase or reduc...  
WO/2012/120094A3
A gerotor pump (1) comprising; ·a housing (2) which comprises a first and a second supply socket (18a,18b;19a,19b), ·an inner rotor (4); and ·an outer rotor (5) rotatably located relative the housing (2); wherein the inner rotor (4) i...  
WO/2012/094460A4
In an oil-sealed bearing assembly in the bearing section of a mud motor, in which a mandrel (20) is rotatably disposed within a cylindrical housing (30), a cylindrical sleeve (90) is disposed coaxially and rotatably around the mandrel (2...  
WO/2013/133202A1
Provided is a variable displacement gear pump which, by the use of a simple structure, increases and decreases the discharge volume during operation. A variable displacement gear pump comprises a pair of a driving gear and a driven gear,...  
WO/2013/084039A3
A plate is interposed between a rear cover and a pump body. The pump chamber is formed between the plate and the pump body.  
WO/2013/133641A1
The present invention relates to a two-stage compressor unit having a triple trochoidal rotor and a compressor system having the same and, more specifically, to a compressor system comprising: a compressor unit having a triple trochoidal...  
WO/2013/127651A1
Geared metering pump comprising a pump body with a chamber containing a first gearwheel (20) and a second gearwheel (10) each having an axis of rotation, the first gearwheel (20) being arranged in such a way as to drive the rotation of t...  
WO/2013/127464A1
The invention relates to a sealing arrangement (1) for conveying devices, in particular for gear pumps, in which an inner space (5) can be sealed off from an outer space (6), wherein the sealing arrangement comprises at least two parts (...  
WO/2013/131011A1
A sealing assembly for use in a rotary compressor having a housing and a rotor. The sealing assembly includes a sealing element and a spring positioned circumferentially around the sealing element. The sealing assembly is positioned in a...  
WO/2013/127183A1
A crude oil lifting system and a method utilizing a vane pump for conveying a fluid. The crude oil lifting system comprises: an oil pipe (13) and an oil pump connected to the oil pipe. The oil pump is the vane pump (15). The vane pump is...  
WO/2013/127182A1
A vane pump and a method utilizing the vane pump for conveying a fluid. The vane pump is provided with a cylindrical pump housing (5). The pump housing (5) is provided therein with: a drive shaft (1), a rotor (3) sleeved on the drive sha...  
WO/2012/116962A3
The invention relates to a lubricant feed system (1) comprising a vane pump (4) conveying lubricant from a reservoir (2) to a consumer (3), said pump having an inner rotor (5) with a plurality of vanes (6), one end of said vanes (6) bein...  
WO/2012/058527A3
A method for pressurizing a roll pocket of a displacement assembly of a fluid device includes providing a fluid device having a displacement assembly. The displacement assembly includes a ring defining a central bore and roll pockets dis...  
WO/2013/124626A1
A stator for a progressive cavity pump or motor, comprising: a stator housing having a longitudinal axis; and a stator insert of a material moulded within the housing, the stator housing further comprising, an outer tube having an inner ...  
WO/2013/125302A1
This oil pump is provided with housings (10, 20), a rotational shaft (30) supported by the housings, inner rotors (71, 81) which integrally rotate with the rotating shaft within the housings, and outer rotors (72, 82) which rotate in tan...  
WO/2013/013879A3
A gear pump for delivering a fluid, which gear pump has a rotatably mounted toothed wheel with external toothing and has a toothed ring with internal toothing, wherein a multiplicity of delivery chambers are formed by the meshing of teet...  
WO/2013/013883A3
The invention proposes a gearbox pump (1), in particular a gearbox oil pump of an automatic gearbox of a motor vehicle, which comprises a pump housing (2) and a pump cover (3) or oil-guiding flange and in the case of which, for a gear pu...  
WO/2013/117486A1
A pump is formed by a housing (10) having a fluid inlet (11) and a fluid outlet (12) and containing a rotor (15) forming with the housing (10) chambers (17a, 17b) that, on rotation of the rotor (15) by a drive, convey fluid from the inle...  
WO/2012/055036A8
In a rotary pump having a rotor and a stator in communication with hydrocarbon production tubing, a submersible pump driver assembly includes a drive motor having an output connected by a drive link to the rotor of the pump. A production...  
WO/2012/171608A3
The invention relates to a pump comprising a housing with an inlet and an outlet for the fluid to be delivered and comprising a first delivery rotor which is rotatably arranged within the housing and which forms a delivery chamber togeth...  
WO/2013/115292A1
This oil pump is provided with: housings (10, 20) having an intake hole (44b) for taking in the oil, a discharge hole (52) for discharging the oil, and a purge hole (24) for purging oil contaminated with air; inner rotors (71, 81) arrang...  
WO/2012/094460A3
In an oil-sealed bearing assembly in the bearing section of a mud motor, in which a mandrel (20) is rotatably disposed within a cylindrical housing (30), a cylindrical sleeve (90) is disposed coaxially and rotatably around the mandrel (2...  
WO/2011/141165A3
The invention relates to a lubricant pump (1), in particular for an internal combustion engine of a motor vehicle, comprising a housing (3) in which at least one pair (4) of intermeshing gear wheels (5) is disposed for delivering lubrica...  
WO/2011/150917A3
The invention relates to a vane pump with a hollow rotor shaft (24) in which a cylinder guide (13) is arranged, in which cylinder guide a freely rotating synchronizing cylinder (15) that is not rigidly connected to the adjacent assemblie...  
WO/2013/106900A1
A rotary device includes a housing having a tubular surface. The surface has an throughpassing axis and first and second ports. A rotor body rotates about the axis and has a plurality of slots extending generally radially from the axis. ...  

Matches 851 - 900 out of 16,282