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WO/2013/091479A1 |
Disclosed is a pump displacement controller (100), comprising a receiving device (10) for receiving real-time cantilever status information, real-time material condition information and an expected pump displacement; a mapping device (20...
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WO/2013/091480A1 |
Disclosed is a method of establishing a maximum permitted pump displacement database for a pump vehicle, comprising: selecting a working mode and pumping at a pump displacement in the selected working mode; calculating the current cantil...
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WO/2013/088487A1 |
[Problem] To prevent corrosion and etching of wall surfaces of a pump head and to prevent deterioration in the sealing performance of a plunger seal. [Solution] A recess (8d) into which a projection (10a) of a plunger seal (10) is to be ...
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WO/2013/086820A1 |
Disclosed is a swing mechanism of a pumping system, which mechanism comprises a rocker arm (1) and a box (2) having a cavity. The rocker arm (1) comprises a swinging part (11) alternately driven by a left hydraulic oil circuit and a righ...
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WO/2013/089147A1 |
A recess into which a projection of a plunger seal is to be fitted is provided in a part in which a plunger is inserted toward a pump chamber of a pump head. By fitting the projection into the recess and pressing the plunger seal toward ...
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WO/2013/082909A1 |
Disclosed is a pumping system for a piston-type mortar pump. The pumping system comprises a delivery cylinder (3) with a delivery piston (31) and a piston rod arranged therein, wherein the piston rod is connected to a power apparatus of ...
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WO/2013/082976A1 |
A control apparatus, a control method and a concrete pump for a viscous body pumping mechanism. The control apparatus comprises at least one function device for implementing at least one corresponding function, at least one detection uni...
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WO/2013/080006A1 |
A reciprocating cryogenic pump (2) comprises a piston reciprocable within a pumping chamber (44). The pumping chamber (44) has an inlet suction valve (48) for cryogenic liquid to be pumped and an outlet (32) for high pressure cryogenic l...
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WO/2013/067874A1 |
Disclosed are a mounting structure for a concrete pumping unit and concrete pumping equipment, wherein the concrete pumping unit comprises a pair of hydraulic cylinders (100), a pair of concrete cylinders (200) connected with the pair of...
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WO/2013/060233A1 |
Disclosed in the present invention are a pumping device, a hydraulic distribution system and a heating method thereof. The hydraulic distribution system comprises a hydraulic pump (1), a direction valve (7), a check valve (2), an accumul...
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WO/2013/048046A1 |
The present invention relates to a mortar supply apparatus for a concrete pump truck using a motor and a screw, which rotates along the screw that helically rotates, so as to convey a concrete rather than moving the concrete in a straigh...
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WO/2013/043868A1 |
A fluid pump device is operable by a drive and actuating system. The fluid pump device includes a pump manifold, a plurality of pump cylinders, a plunger reciprocally operable in each of the pump cylinders, and at least one inlet selecto...
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WO/2013/043881A1 |
A fluid pump device is operable by a drive and actuating system. The fluid pump device includes a pump manifold, a plurality of pump cylinders, a plunger reciprocally operable in each of the pump cylinders, and at least one inlet selecto...
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WO/2013/043889A1 |
A system and method of assembling a disposable fluid pump device is provided. The fluid pump device includes a pump body having a plurality of pump cylinders and at least one inlet selector valve for controlling fluid input to the pump c...
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WO/2013/040767A1 |
Disclosed is a gate-type concrete pump and a pumping control system therefor. The pumping control system for the gate-type concrete pump comprises a gate control system (10) and a main hydraulic cylinder control system (20), the gate con...
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WO/2013/033908A1 |
Disclosed is a cut-off reversing device of concrete pumping equipment, comprising: a body (1) having a first sidewall (3), and a second sidewall (4) arranged opposite to the first sidewall (3), with a first opening (5) being provided in ...
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WO/2013/029465A1 |
Disclosed in the present invention is a glass plate for a concrete conveying pump which comprises a steel base(2) with two feeding through holes(1), the end face of the steel base(2) is embedded and welded with a wear-resistant material ...
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WO/2013/028729A1 |
Urea solution pumps having leakage bypass flowpaths and methods of operating the same are disclosed. Certain embodiments are pump apparatuses including an inlet passage in flow communication with a source of urea solution and a pump cham...
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WO/2013/023454A1 |
A pumping device comprises: a first pumping cylinder (1) and a second pumping cylinder (2), a first piston (31) being disposed in the first pumping cylinder (1) and a second piston (32) being disposed in the second pumping cylinder (2); ...
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WO/2013/017196A1 |
A plunger (50) for axial movement and rotation within a pump barrel (71) of a fuel pump (100) comprises a substantially cylindrically shaped plunger shaft (51) made of a ceramic material, and at least one control element (54) for control...
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WO/2013/013403A1 |
A concrete pumping device and control method and device thereof, the control method of the concrete pumping device comprising: when a first pumping of a concrete pump is activated, detecting the preset pumping status of the first pumping...
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WO/2013/007423A1 |
The invention relates to a thick matter pump, comprising a material feed container (14), a motor-driven movement element (16, 50) that engages in the material feed container (14) and is controlled by a control device, a cleaning opening ...
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WO/2013/002739A1 |
In order to enable using water as a hydraulic liquid in a high-pressure piston pump for hydraulic circuits with nominal pressure more than 50 bar and up to at least 250 bar, on the one hand an area on the internal wall (10) of a cylindri...
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WO/2013/000076A1 |
A cryogenic pump (2) for a cryogenic liquid has associated therewith a heater (15) for vaporising the cryogenic liquid. The heater (15) comprises a chamber (100) (bounded by an inner sleeve (102) and an outer sleeve (104)), a helical hea...
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WO/2012/171757A1 |
The invention relates to a conveyor assembly (10) for conveying an operating/auxiliary material, in particular a reducing agent, for penetrating an exhaust gas tank of an internal combustion engine, comprising a magnet unit (12), which c...
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WO/2012/139898A1 |
The invention relates to a diaphragm pump having a delivery space which encloses a working volume, at least one deflectable diaphragm which can be moved into a suction position and a pump position, an inlet valve arranged on a suction si...
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WO/2012/136778A2 |
The invention relates to a technology for pressurizing dust. The dust is fed from a storage hopper of a feeding device, the storage hopper being at ambient pressure. In the feeding device, the dust is pressurized by introducing high-pres...
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WO/2012/126939A1 |
The invention relates to the transfer of particulate solid matter between two chambers under different pressures. For this purpose, the invention relates to a new piston-type transfer pump device used in a horizontal position for the gra...
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WO/2012/119251A1 |
A modular pump assembly for pumping a viscous liquid, such as liquid manure. The viscous liquid is conveyed under pressure from an admission line to an evacuation line. The assembly has a base between the admission and evacuation lines. ...
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WO/2012/100525A1 |
Provided are a reducing elbow (10) and a pumping device comprising the reducing elbow. The reducing elbow (10) is used in a fluid transmission pipeline. The reducing elbow (10) comprises an input end (10a) and an output end (10b). The ra...
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WO/2012/101379A1 |
The invention relates to a device for monitoring a pneumatically-actuated alternating linear displacement pump, and to a system for monitoring a pneumatically-actuated alternating linear displacement pump, which comprise a means for sens...
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WO/2012/101230A1 |
SCR system comprising a metering pump and a pressure regulator.
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WO/2012/094893A1 |
A concrete pump truck, and a vibration reduction apparatus and a vibration reduction method for a concrete pump truck-mounted boom. The vibration reduction apparatus for the concrete truck-mounted boom comprises: a vibration control unit...
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WO/2012/088826A1 |
A method for controlling a concrete pump to pump again after shutdown comprises the following steps: swinging an S-shaped distribution valve (17) provided in a hopper (18), so that a first end of the S-shaped distribution valve (17) is d...
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WO/2012/088827A1 |
A concrete pump and a method for adjusting the value of the drive pressure to the swinging actuator in the concrete pump are disclosed. The concrete pump includes a swinging actuator and an S-shaped distribution valve (17). The swinging ...
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WO/2012/071874A1 |
An adjustable connecting device for an articulated elbow and a concrete pump using the same are provided. The adjustable connecting device for an articulated elbow, connecting an articulated elbow (1) and a hopper, includes an adjusting ...
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WO/2012/062542A1 |
In a method and a system for identifying damage to piston membrane pumps containing working fluids, the pressure of the working fluid is measured during operation in relation to the time and compared with a desired value profile, and a s...
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WO/2012/038637A1 |
The invention relates to a method for compressing at least two gas streams by means of a single compressor that does not support a fluctuation in flow rate and/or pressure above a critical percentage, said method being characterized in t...
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WO/2012/024964A1 |
Disclosed are a distribution mechanism of a pumping system, the pumping system, a concrete pumping vehicle and a control method of the pumping system. The distribution mechanism of the pumping system comprises a wearing plate and at leas...
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WO/2012/019280A1 |
A hybrid check valve (9) for use with a port (7) of a piston pump (1) configured for pumping waste material (3) containing a mixture of at least liquid and solid materials (3a,3b), the hybrid check valve (9) being operable between opened...
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WO/2012/017287A2 |
Pumping unit (10) for a machine to distribute concrete comprising: a pair of pistons (12, 13) provided with a relative pumping cylinder (22, 23) movable linearly for a determinate travel (S) to feed the concrete to a determinate circuit ...
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WO/2011/153873A1 |
Disclosed are a distribution mechanism (7) of a pumping device, a pumping device, a concrete pump truck and a control method thereof. The distribution mechanism (7) of the pumping device comprises a first wear plate (71) and a second wea...
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WO/2011/147236A1 |
Disclosed are a support device for engineering equipment and a concrete pumping device equipped with the support device. The support device comprises a base (10), a plurality of support cantilevers (21, 22, 23, 24) which are pivotally co...
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WO/2011/148735A1 |
Disclosed is a material pumping apparatus (10) provided with: a container (12) that contains a bag (11) containing a cohesive material (M); a pressing member (13) that applies a pressing force to the material; a pumping means (15) that p...
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WO/2011/143746A1 |
A mud pump is provided that includes a pump shaft having substantially circular eccentric lobes. Each lobe is rotatably mounted in a connecting rod that, in turn, moves a slide in a horizontal and linearly manner. A piston rod is operati...
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WO/2011/137143A1 |
The pump (10) prevents fluid leaks when a bellows (12) ruptures in a pump incorporating a flexible bellows (12) as a primary seal and prevents fluid from leaking out of a pump (10) or the pump (10) ingesting air in the event of a bellows...
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WO/2011/127842A1 |
A distributing valve for a concrete pump and the concrete pump are provided, the distributing valve comprises a valve body (200) and a valve core (300), and a delivering cavity (213) is internally formed in the valve body (200) and is pr...
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WO/2011/126367A2 |
The present invention discloses a pump system using multiple reciprocating positive displacement pumps which phase shift is controlled by a phase shift controller. The phase shift controller uses a virtual master pump inside the phase sh...
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WO/2011/113241A1 |
A concrete pumping structure comprises a conveying cylinder (1), a water tank (3) and a driving oil cylinder (4). The conveying cylinder (1) is provided with a concrete piston (2). A piston rod (5) of the driving oil cylinder drives the ...
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WO/2011/113356A1 |
A concrete pumping structure and a control method thereof are disclosed. The concrete pumping structure comprises a first pumping cylinder structure and a second pumping cylinder structure. Each pumping cylinder structure comprises a del...
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