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JP4627626B2 |
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JP4619123B2 |
The gear pump shaft(64) is housed inside the hollow extruder screw(20) and varies the relative speed between extruder screw and gear pump(14). The gear pump(14) is a planetary type and the pump shaft(64) is rotationally fixed to the plan...
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JP4610564B2 |
The invention relates to a gear pump which is suitable for delivering highly viscous materials. The aim of the invention is to provide a gear pump having a low-wear and low-maintenance bearing system, high output and good self-cleaning p...
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JP4599406B2 |
A rotary displacement pump, comprising: (a) a stator (42); (b) a rotor including a shaft portion (8) and a radially protruding web (12) having a configuration of an undulatory disk type; (c) a scraper (110) having an engagement slot (112...
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JP3161471U |
To provide an inscribed gear type gear pump capable of preventing a hydraulic fluid from staying in a clearance portion between a casing and an outer rotor and causing the concentrated hydraulic fluid to stick. An inner rotor 3 is eccent...
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JP4512679B2 |
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JP4488144B2 |
The invention relates to a spin pump for conveying a liquid polymer melt. To drive the conveying means enclosed in the pump housing, a drive shaft is provided, which extends through the pump housing in a bearing bore, and which comprises...
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JP2010519447A |
A flexible impeller pump includes first and second component housings. The first component housing includes a first flexible impeller and the second component housing includes a second flexible impeller. As these impellers rotate within ...
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JP2010106673A |
To provide a compact gear pump device having a structure not applying bending stress on a drive shaft of a gear pump for rubber extrusion.This gear pump device includes a gear pump 2, a drive device of the gear pump 2, sprockets fixed on...
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JP4462938B2 |
An extruder system includes an extruder for axially extruding a rubber or plastic material in a barrel by rotation of an extrusion screw arranged in the barrel, and a gear pump driven by a rotational force for rotating the extrusion scre...
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JP4450170B2 |
A cooling water pump device for drawing cooling water from bottom of a pump case and pumping it toward an engine located above includes: a multiple number of annular seal elements surrounding the driveshaft for keeping the interface betw...
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JP4450930B2 |
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JP4436919B2 |
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JP2010013951A |
To provide a two-shaft screw pump capable of preventing a solid material from being crashed in transferring a transferred material including the solid material.This two-shaft screw pump 1 comprises: a pair of pump screws 5a and 5b having...
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JP4399100B2 |
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JP4327579B2 |
A new and improved gear pump assembly, and a new and improved hot melt adhesive applicator assembly having a plurality of the new and improved gear pump assemblies incorporated therein, wherein each gear pump assembly is mounted upon the...
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JP4279139B2 |
A gear pump, in particular for pumping material such as rubber mixes, includes an enclosure in which a central gear wheel and two peripheral gear wheels rotate. Teeth of the central gear wheel mesh with teeth of both peripheral gear whee...
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JP4277096B2 |
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JP4265198B2 |
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JP4242085B2 |
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JP2009030536A |
To provide a vane pump simply disassembled and assembled, and hardly causing liquid leakage in a liquid sealing member even when the disassembling and assembling are repeated.The vane pump 1 is constituted that a rotor shaft 9 is divided...
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JP4217645B2 |
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JP4195862B2 |
The invention relates to a feed pump for delivering fluid media, wherein the pump bearings are lubricated by the feed medium itself. Connecting channels with valve devices are provided on the suction side and on the pressure side upstrea...
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JP4178453B2 |
A drive system is provided for coupling a clutch assembly with a pump assembly that provides fluid power to cool, lubricate and control the operation of the clutch. The drive system comprises a drive coupling rotatably supported on an in...
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JP4168198B2 |
To provide a method for pumping out the liquid in a container easily without any skill, and without liquid leaking between the inner peripheral surface of the container and the seal around a follow plate even if the sealing force of the ...
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JP2008223619A |
To provide a rubber extruder with a gear pump capable of preventing the mixing of a foreign matter into rubber discharged from a gear pump.A gear pump 10 of a gear pump type rubber extruder 1 is constituted by rotatably disposing a conic...
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JP2008221632A |
To provide a gear pump type extruder capable of decreasing a thrust force caused by a rubber pressure acting to a pinion, and increasing the amount of discharge of a rubber by preventing the rubber from flowing reversely from the dischar...
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JP4149985B2 |
To provide sludge disposal equipment capable of balancing the reduction of excess sludge with the control of a mixed liquor suspended solid (MLSS) and an apparatus for highly efficiently reducing the excess sludge. Microorganism cells co...
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JP2008196365A |
To provide a tube pump and a fluid injection device capable of stably exhibiting desired suction force at a low cost.This tube pump 100 includes a frame part 120 having a tube part 110 disposed therein, an abutting part 130 that abuts on...
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JPWO2006090495A1 |
Realize a gear pump suitable for transferring high-pressure, high-viscosity fluids such as molten resin. In the gear pump 100 that transfers fluid from the suction port 11 side to the discharge port 12 side by the rotation of the gears 2...
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JP4093530B2 |
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JP4072477B2 |
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JP2008509335A |
The pump has a rotor (1) which runs in it and a driving motor which is connected to the rotor such as a fixed winding (4). Runners surround the rotor and housing covers the runners. As the rotors are turned the fixed winding is arranged ...
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JP2008038907A |
To provide an eccentric screw pump having a feed screw capable of stably supplying a medium of a required delivery amount at all times, always needing only low driving force with respect to different media.In the eccentric screw pump, a ...
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JP4038740B2 |
Twin-screw pump, wherein the four conical screws are vertically arranged and are fed with biphase fluid at the two ends, independently of each other, by means of a stream divider and wherein the two screw shafts each have a central axial...
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JP4035742B2 |
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JP2007211741A |
To provide a shaft seal of a pump whose life is remarkably extended by stopping the intrusion of a highly abrasive moving liquid from a seal to prevent the seal from being worn out by eliminating a difference in liquid pressure on both s...
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JP2007211742A |
To provide a shaft seal of a pump whose life is remarkably extended by stopping the entry of a highly abrasive moving liquid from a seal to prevent the seal from being worn out by eliminating a difference in liquid pressure on both sides...
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JP3960715B2 |
To facilitate machining for a casing required for fitting a support member of a rotor to the casing, and to dispense with a special jig in a squeeze type concrete pump with the center of the rotor eccentric from the center of the casing....
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JP3953236B2 |
To facilitate manufacture of a casing in a squeeze type concrete pump using a pumping tube with a tapered inside diameter, and to divert a casing used in the pumping tube, the wall thickness, inside diameter and outside diameter of which...
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JP3954166B2 |
To simplify the decalcification of a dialysis system to enhance the operability, by providing the system with a means to start the automatic decalcification cycle of the dialysis fluid in the dialysis system upon detecting a specified ca...
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JP3951647B2 |
To provide a tube pump having a simple structure advantageous to be downsized, particularly thinned, which can extend a service life of a pump tube. The tube pump 1A includes: a main body 7 having a fitting part 70 where a tube 100 with ...
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JP2007187075A |
To provide a liquid transferring method for liquid to be transferred, capable of preventing a trouble such a liquid transferring failure by suppressing the wear of a stator when using a single-shaft eccentric screw pump having a stator o...
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JP3948673B2 |
To provide a means for feeding a food material, which can prevent the repeated change of a pressure added to the food material in an exit side passage, when the food material is continuously feed into the exit side passage with a vane pu...
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JP3944868B2 |
To transfer carrot pulp with low air-content and at high pressure, by arranging a screw pump which is equipped with a screw from the lower part of a hopper section to the bottom of a straight part in the center of carrot pulp storage tan...
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JP3909058B2 |
The invention relates to a feed pump for fluidic media, comprising a displacement body that is mounted in a pump housing and equipped with slide bearings and connecting channels that connect the slide bearings to the produce channel on t...
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JP3895537B2 |
To provide a high viscosity liquid carrying gear pump for keeping a bearing in a free state, and improving reliability to cooling medium leakage and melting resin leakage. In this gear pump where a pair of gear rotors 2 are supported by ...
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JP3894991B2 |
To provide a gear pump for a fused resin, by which resin deterioration to be generated caused by insufficient cooling attendant on enlargement of a machine, high-speed rotation of a gear rotor by the high discharge amount, and high visco...
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JP3882069B2 |
To provide a technique for easily determining the failure of a pump for an artificial heart, which is desired in view of the fact that the pump, particularly of the type embedded into the body, when a patient using it is in bad health, d...
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JP3864452B2 |
To prevent a hermetic motor-driven compressor from generating abnormal abrasion and the abnormal sound of a gear pump by influence of the whirling of a crankshaft end part. Only gear pairs 52 are installed in a pump case 51, and since th...
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