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JPH07317698A |
PURPOSE: To provide a pump device capable of invariably feeding a constant flow of water to a disposal tank side such as an anaerobic tank regardless of the quantity of the sewage flowing into a flow adjusting tank and suitable for a sma...
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JPH07317688A |
PURPOSE: To provide a volute pump capable of changing the discharge capability in response to temperature. CONSTITUTION: This volute pump is provided with a pump shaft 13 rotatably held on a pump body 11, a main rotor 16 formed integrall...
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JPH07305691A |
PURPOSE: To decrease the number of part items, so as to achieve simplification of a structure, by enabling also a jacket chamber to be sealed by a mechanical seal cover of a shaft seal part. CONSTITUTION: A fluid machine is provided with...
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JPH07107397B2 |
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JPH07293478A |
PURPOSE: To reduce the thickness of a channel ring for a transient so that the sensitivity of a pump to thermal phenomena can be reduced by fastening a monolithic diffuser and return vane ring member between a suction member and a delive...
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JPH0746789Y2 |
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JPH07259787A |
PURPOSE: To prevent the occurrence of scuffing between a balance disc and a balance seat by a method wherein a gap is provided between the outer peripheral part of the flange of the balance disc and the balance seat and an inner peripher...
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JPH07247983A |
PURPOSE: To correctly change the flow direction of fluid by providing a reciprocating member movable between an opposite pair of discharge ports, and closing and opening one discharge and one remaining ports respectively by a rotation di...
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JPH07243399A |
PURPOSE: To decrease the required strength of the material, thickness and flange part of a casing tightening bolt by measuring the temperatures of either or both of a pump casing and a casing tightening bolt, and relieving excessive stre...
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JPH0737064Y2 |
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JPH07224781A |
PURPOSE: To provide a multistage centrifugal pump by which the weight reduction becomes possible and which is strong and reduces the cost, being excellent in productivity and can easily cope with the change of the number of stages. CONST...
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JPH07224783A |
PURPOSE: To provide a liner ring which does not leak even hot handling liquid from a high-pressure side to a low-pressure side, and besides does not rotate relative to a fixed housing. CONSTITUTION: In a linear ring 45, which suppresses ...
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JPH07224782A |
PURPOSE: To provide a multistage centrifugal pump by which the weight reduction becomes possible and which is strong and can easily cope with the change of the number of stages. CONSTITUTION: The casing of a pump 2 is composed of a sucti...
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JPH07217600A |
PURPOSE: To prevent the occurrence of pressure reduction (cavitation) phenomenon to the vicinity of an impeller and to prevent lowering of the efficiency of a pump owing to the generation of air bubbles. CONSTITUTION: By rotating an impe...
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JPH07217581A |
PURPOSE: To use a casing and a stage in common and to reduce a cost by a method wherein a water injection chamber is formed in a way that a seal ring is inserted in a stage preceded by a water injection stage between a casing and a stage...
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JPH07208372A |
PURPOSE: To elongate the life of an oil seal by reducing torque loss caused by the oil seal installed between a casing suction port and an impeller suction port. CONSTITUTION: An oil seal 6 is installed in a casing suction port 5a surrou...
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JPH0734238Y2 |
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JPH0730951Y2 |
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JPH0765572B2 |
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JPH07158599A |
PURPOSE: To reduce the occurrence of phenomenon wherein the generation of noise is increased at a specified rotation speed by a method wherein a damping structure is arranged in a gap part in a radial direction between inner and outer ca...
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JPH07151097A |
PURPOSE: To improve anticorrosion and erosion resistance property when a thick plate member of a low cost is used by covering the whole surface of a casing and a stage for forming a flow passage with a film which includes Ni or Cr, and f...
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JPH0751960B2 |
An interstage casing made of sheet metal includes a cylindrical receptacle-like body having a bottom wall (24) on an end thereof and an open end opposite to the end. The open end has an axial end surface (22) and a radially inner surface...
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JPH0724635Y2 |
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JPH0749798B2 |
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JPH0737799B2 |
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JPH07503781A |
PCT No. PCT/EP92/02486 Sec. 371 Date May 12, 1994 Sec. 102(e) Date May 12, 1994 PCT Filed Oct. 30, 1992 PCT Pub. No. WO93/10361 PCT Pub. Date May 27, 1993.An electrohydraulic device for generating a force acting on a movable piston rod i...
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JPH07103178A |
PURPOSE: To provide a nonleaking pump that is able to prevent any air lock or cavitation from occurring by restoring a coolant for cooling a bearing and a motor to a low pressure part other than a suction port of a stage impeller. CONSTI...
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JPH07103194A |
PURPOSE: To provide a pump-cum-inducer that is able to prevent any contact between a casing and an inducer from occurring by housing the inducer in an internal casing which is not affected by piping load. CONSTITUTION: In a pump provided...
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JPH0730753B2 |
A laminar flow fan is described comprising a number of fan elements (200), such as discs, carried on support posts (220). In a preferred embodiment, each element has a non-circular central aperture (210). The shape of the aperture (210) ...
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JPH0791395A |
PURPOSE: To provide a pump impeller supporter that is able to shorten a turning shaft by way of eliminating both first and second bearings and also to facilitate the change of a shaft sealing device. CONSTITUTION: In a pump unit with a r...
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JPH0726626B2 |
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JPH0777190A |
PURPOSE: To provide a multiple-staged volute pump which is compact, simple in structure and inexpensive by providing two volutes in one casing body so that they may be axially piled up, and an intake on the side of a first stage volute o...
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JPH0777192A |
PURPOSE: To accurately estimate the performance of a pump over the whole flow rate scope by analizing a flow inside an impeller as a semi-three dimensional potential flow, and forming a counterflow occurring at the inlet of the impeller ...
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JPH07502319A |
Multiphase fluid is subjected to pumping or compression or to centrifugal separation after undergoing at least partial separation in a cyclonic separator device (20). The cyclonic separator device (20) can be incorporated in a rotary pum...
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JPH0710076Y2 |
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JPH0718437B2 |
A multistage centrifugal pump has a plurality of series-connected interstage casings of pressed sheet steel housing respective impellers. Each of the interstage casings includes a central cylindrical side wall, a bottom wall, a first cyl...
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JPH0718436B2 |
A multistage centrifugal pump has a plurality of series-connected interstage casings of pressed sheet metal housing respective impellers. Each of the interstage casings includes a cylindrical side wall for housing an impeller, a bottom w...
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JPH078866Y2 |
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JPH0710488U |
[Purpose] In a centrifugal pump having a casing in which a casing on the motor side and a casing on the impeller side are coupled and integrated, the number of parts is reduced to reduce costs and facilitate assembly. [Constitution] The ...
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JPH0710487U |
[Purpose] Improved the moldability of the impeller side casing in a centrifugal pump that has a casing consisting of an impeller side casing and a motor side casing and supports the thrust force in the direction of the impeller suction p...
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JPH075275Y2 |
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JPH073211Y2 |
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JPH074375A |
PURPOSE: To provide a pump strengthening the jet force of an impeller by forming a nozzle near a place where the reduced pressure difference applied to the impeller at the rotating time is strongest. CONSTITUTION: A centrifugal or axial ...
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JPH0687697U |
[purpose] In the drainage pump that fixes the cooling fan to the end of the drive shaft protruding from the bearing of the motor, the simple structure makes it possible to prevent dust, water droplets, water droplets, etc. from entering ...
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JPH06323290A |
PURPOSE: To provide a submergible multistage pump capable of safely running continuously for a long time without degrading the performance thereof even in the case of pumping up a handled liquid containing foreign matters. CONSTITUTION: ...
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JPH0680896U |
[Purpose] Suppress the runout of the pump shaft for a long period of time to prevent irregular wear of the bush over time. [Constitution] The upper part is formed in the motor part 1 and the lower part is formed in the pump part 2, the i...
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JPH0643516Y2 |
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JPH06315245A |
PURPOSE: To obtain a permanent magnet rotor which can be secured at a predetermined position without shifting the position of a segment type permanent magnet at the time of integral molding of resin. CONSTITUTION: The permanent magnet ro...
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JPH06315239A |
PURPOSE: To obtain a canned motor pump in which accident due to leak is eliminated by enhancing the watertightness of a can for isolating the stator chamber and the rotor chamber. CONSTITUTION: The canned motor pump comprises a plurality...
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JPH06307375A |
PURPOSE: To smoothly pass foreign matters such as buttons, and secure the prescribed flow rate when a regeneration pump is used in an equipment such as a washing machine. CONSTITUTION: In a regenerative pump, a core ring 15 is provided i...
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