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Patent Searching and Data


Matches 551 - 600 out of 3,914

Document Document Title
WO/1989/012166A1
A multichamber pump (2) comprises a series of chambers (21, 21') with corrugated walls (22) or nesting walls. The chambers are separated by a valve tray (23) on which is mounted a valve (26) which has a lower resistance to flow in the di...  
WO/1989/011038A2
A device for pumping a multiphase fluid comprises in combination an intake pipe (13) for the fluid to be pumped and a delivery pipe (19) for the pumped fluid, at least one variable volume chamber (2) suitable for pumping said fluid, said...  
WO/1989/011037A1
The control arrangement disclosed comprises two delivery cylinders (60) which can be actuated reciprocally by hydraulic driving cylinders (13, 14) and which open into a material-dispensing container. During the compression stroke, the co...  
WO/1989/010486A1
A material-feeding container is disclosed for two-cylinder thick-matter pumps having feeding cylinders (14) that open into the container. Inside the container is arranged a switchable guide-tube (26) linked to the feeding line (24) and a...  
WO/1989/009339A1
A multi-cylinder piston pump of rotary slide valve design for conveying free flowing materials, in particular concrete, comprises a rotary slide valve (33, 36) connected to the pistons (48, 49) and their cylinders (44, 45) with which it ...  
WO/1989/003479A1
A compact twin piston pump (20) is provided which includes quick detach yoke and clevis assemblies (108, 124, 110, 126) connecting the reciprocable pistons (100, 102) with their associated hydraulic cylinders (116, 118), thereby permitti...  
WO/1988/000687A1
An apparatus with a dosage of minor amounts of condensed gas, the apparatus including a container (2) which is connected to a source of liquid gas by the intermediary of an inlet conduit (5) the container being thermally-insulated (3) an...  
WO/1987/002117A1
Device for the supply of a pump with a diphase fluid enabling delivery to the pump of a diphase fluid presenting characteristics, particularly the flow rate and the volumetric ratio between the gaseous phase and the liquid phase, which a...  
WO/1986/003560A1
Improved mud pump comprised of plural cylinder pumping units, each cylinder unit consisting of a pumping compression chamber (81) and two or more hydraulically driven expansion chambers (96, 98), with one or more expansion chambers being...  
WO/1986/001260A1
In a hydrostatically controlled duplex plunger pump (10) for driving liquids laden with abrasive particles, flowing muds, emulsions or other similar liquids, each plunger piston (14) is coupled to a hydraulic double acting piston-cylinde...  
WO/1985/005411A1
In conjunction with a hot metal pump in a reactive metal bath, a novel isolator assembly (3, 35) is provided which reduces the tendency of the pump to impart turbulence to the melt thereby reducing reaction between the melt and the atmos...  
WO/1985/001085A1
A displacement pump intended in particular for wearing and difficult to pump fluids such as concrete. It consists of a pump chamber (22) formed from a first tubular slide component (2) and a second similarly tubular slide component (4), ...  
WO/1984/004363A1
A submersible pump and filter unit for pumping and filtering acids comprises a removable pump cartridge (13) and filter unit (14) housed in respective cylindrical cavities (11 and 12) in a housing (10). The pump cartridge (13) is a gas-d...  
WO/1984/003913A1
The invention relates to a piston pump for liquid media, particularly for media contaminated by solid materials. In order to have a pump of this type which is self-cleaning, there is proposed to arrange the suction chamber (7), the pump ...  
WO/1983/003447A1
A dosing pump (1) allows to dose with accuracy a medium intended to be dosed in relation to time or a flow rate. The dosing pump (1) utilizes a predelivery obtained by a diaphragm (11) and a piston and cylinder pump for the dosing. The c...  
WO/1983/001983A1
A pump system, particularly suitable for pumping wet mixes and slurries, achieves an output of pumped material substantially free from pulsations or fluctuations by control movement of power pistons (12A, 12B) within power cylinders (10A...  
WO/1982/002075A1
A squeeze pump which has an elastic tube (15) arranged in a pump case (11) in a circular arc shape, and a plurality of pressing rollers (25) rotating around a rotating shaft (22) for pressing the tube while rolling over the tube, thereby...  
WO/1982/001223A1
A device comprises an inlet (12) and an outlet (9) coaxial tubes which are introduced into a hollow rod (5) of a pneumatic drive. The tubes (12) and (9) are contained in a casing (21) provides with two coaxial walls (22) and (23) forming...  
WO/1982/001040A1
An apparatus for a method of pumping hot, erosive slurry of coal solids in a coal derived, water immiscible liquid to higher pressure involves the use of a motive fluid which is miscible with the liquid of the slurry. The apparatus inclu...  
WO/1981/002043A1
Concrete (7) is transmitted from a hopper (6) forming a part of mobile concrete pumping apparatus from which concrete is pumped through a flow line having a Y-pipe inlet (9). Two piston-cylinder pump units, (12, 12') mounted side-by-side...  
WO/1980/001594A1
The thick liquid pumps, in particular concrete pump comprise two cylinders leading to a chamber (1) and which suck alternately the product to be pumped from the chamber (1) and discharge the product into a discharge conduit through an S-...  
WO/1980/000867A1
A pumping apparatus for pumping liquids such as slurrys comprises a pumping cylinder/piston (6, 8) driven by the piston/cylinder (16, 18) of an operating device, the supply of fluid under pressure either to an upper port (16a) of the cyl...  
JPWO2018143421A1
Time to spend on pre-cooling can be shortened and the fluid distribution system which can carry out fluid supply efficiently is provided. The 1st channel into which a superthermal fluid flows towards a sending-out mouth (130c) through th...  
JPWO2018143420A1
The fluid distribution system which can be cooled efficiently is provided. Container 130 in which an inside is equipped with pump rooms P1 and P2, and admission port 131b and sending-out mouth 131c of the fluid are provided, Sending-out ...  
JPWO2018143419A1
Time to spend on pre-cooling is shortened and the fluid distribution system which can shorten time taken to work a pump is provided. The 1st case part (131) in which the channel by which a container (130) passes along the 1st pump room (...  
JP2019183749A
[Subject] A fluid feeding device which can attain reduction-ization of an installing space is provided. [Means for Solution] Fluid feeding device 1 is made to be equipped with main tank 2 and subtank 3. Subtank 3 is connected with the up...  
JP6584175B2  
JP6585732B2  
JP2019152133A
[Subject] A concrete pump which can control that piston packing is damaged at an early stage is provided. [Means for Solution] Concrete piston 9A with which concrete cylinder 9 which moves before and behind the direction of an axis is eq...  
JP2019152132A
[Subject] A concrete pump which a sensor can detect correctly over a long period of time is provided. [Means for Solution] Cylinder tube 122 with cylindrical driving cylinder 12 which makes a concrete cylinder which pushes out soft concr...  
JP6572481B1
[Subject] In a Rising pressure pump which pressurizes low-temperature fluid containing cryogenic liquids and low-temperature gas, such as liquefied natural gas, it controls that power which a top cover pushes to a valve element according...  
JP2019525106A
The present invention relates to a high-density material valve which has a valve member (32) related with the 1st penetration opening (27), and the 2nd penetration opening (28) and both penetration openings (27, 28). The valve member has...  
JP6572226B2  
JP3221956U
[Subject] A heating type siphon pump for heating oil during transportation of oil is provided. [Means for Solution] It is the heating type siphon pump provided with a pressure feeder, an oil storeroom, flow divider 3, a warmer, and a uni...  
JP6533616B1
[Subject] The existing suction wheels can be used as it is, and a means by which sewage from a place still deeper than the degree of pumping maximum depth of the suction wheels, etc. can be pumped up efficiently is provided. [Means for S...  
JP6529979B2  
JP6526777B2  
JP6515713B2  
JP2019052614A
To provide a submerged pump which is attached to a drain water storage tank for temporarily storing slurry discharged from a disposer and performs stirring of the slurry stored in the tank by itself.A submerged pump includes: a casing 13...  
JP6495689B2  
JP2018204482A
To provide a solution transfer device capable of preventing a solid material from being accumulated onto a sliding part of a pump mechanism which is shaft-sealed such that solution does not get into a gap between a cylinder and a piston,...  
JP6437153B1
[Subject] A transfer method of slurry which can operate a long time and stably a plunger pump which supplies slurry under high pressure is realized. [Means for Solution] Transfer method [of slurry] ;7.8x10 which operates a transfer pump ...  
JP6432404B2  
JP6413146B2  
JP2018126734A
To provide a reliable robot-mounted fluid dispensing system that dispenses a high or low viscosity material from a prefilled cartridge.The dispensing apparatus dispensing fluid from a fluid cartridge comprises a plunger movable between o...  
JP2018127905A
To obtain an evacuation structure of a discharge device which can perform evacuation while suppressing the waste of a viscous material.This evacuation structure 10 of a discharge device 1 in which a follower plate 3 for closing an accomm...  
JP2018521313A
A dispensation device (10) which has the various features is explained. The dispensation device can store a cartridge (12) which has the movable plunger constituted so that fluid might be drawn through a dispensation valve. A plunger is ...  
JP2018105260A
To provide a piston type concrete pump capable of increasing a hydraulic oil amount to a pump cylinder, and having an advantage even of maintenance including hose replacement work.A pair of pump drive cylinders 23, 24 driven in a reverse...  
JP2018105259A
To provide a ready-mixed concrete force-feed pump in which a cooling efficiency of hydraulic fluid is improved.This invention comprises a pair of driving cylinders 2, 2 connected to a pair of concrete cylinders capable of force-feeding r...  
JP2018105860A
To provide an optical measuring device which can equalize a part of a fluid material to be measured and increase the quality of measurement of the fluid material.The present invention relates to a device for optically measuring a fluid b...  

Matches 551 - 600 out of 3,914