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JPS6158983A |
PURPOSE: To aim at surely preventing a liquefied pump from failing, by providing such an arrangement that when either one of first and second detecting means for detecting such that the discharge pressure of the pump and the load current...
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JPS6141874U |
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JPS6149179A |
PURPOSE: To enable discharge pulsations from a pair of reciprocating pumps to cancel out to obtain a miniature and cheap reciprocating pump device, by merging together discharge pipes from both pumps and by shifting the rotating phase an...
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JPS617814Y2 |
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JPS6133983U |
In a triple cylinder plunger pump, each of the plungers is respectively actuated by one of three disc cams which are respectively connected to a common driving shaft and to a plunger. The three cams are identical in size and in contour a...
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JPS6140467A |
PURPOSE: To make a fixed displacement discharge of nonpulsation securable, by designing a profile of each plate cam, driving each plunger of triple plunger pumps, in a way of prescribing the displacement to its turning angle. CONSTITUTIO...
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JPS615037B2 |
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JPS615036B2 |
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JPS6128770A |
PURPOSE: To control the oil pressure in a discharge oil passage to the oil pressure value in response to the theoretical discharge quantity by providing a damper in an oil passage guiding the operating pressure of a relief valve releasin...
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JPS6054520B2 |
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JPS60171975U |
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JPS60222570A |
A method of damping hydraulic pressure waves and of removing peaks from pressure variations in the feed ducts of a hydraulic pump resulting from excess fluid returned with high kinetic energy to a feed chamber uses this kinetic energy di...
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JPS60167175U |
A diaphragm pump has a cam chamber which has a relatively large volume and is formed between a working chamber and an outlet. This makes it possible to minimise a pulsating flow in the pumped fluid owing to the passage through the cam ch...
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JPS6049033B2 |
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JPS60198382A |
PURPOSE: To prevent the generation of cavitation by effecting the same function as that of a check valve with the use of the relative movement between a seal and a piston moving the seal. CONSTITUTION: There is provided a blind hole 12 i...
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JPS60139093U |
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JPS60137195U |
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JPS60125556U |
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JPS60116070U |
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JPS6024931Y2 |
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JPS60107312U |
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JPS60132083A |
A device for regulating in a practically loss-free manner the pressure and feed volume of a diaphragm pump which is constructed as a hydraulically activatable diplacement pump and is especially suited for feeding a viscous and abrasive o...
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JPS6085266A |
A triplex or quadruplex pump having pump pistons which are equally phased apart and driven by a common drive shaft so that the velocity, i.e., speed with direction of all pistons in the particular pump is equal to zero at all times.
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JPS6065388U |
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JPS6073068A |
The present invention is a liquid pumping system with constant flow rate. The system contains at least one first cylinder means and reciprocating piston means defining a first pumping capacity (V1), at least one second pumping unit inclu...
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JPS6058886U |
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JPS6065285A |
PURPOSE: To prevent the generation of fluctuation in flow rate due to the variation of the diameter of the laminar flow of a minute amount of liquid which is caused by pulsation, by installing a buffer member and eliminating the pulsatio...
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JPS6043181A |
PURPOSE: To average and reduce the pulsation of outputted hydraulic pressures of both hydraulic pressure bases by a method wherein the output from one hydraulic base is initiated by the rotation of a rotary valve rotating integrally with...
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JPS6031589U |
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JPS6031590U |
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JPS6031588U |
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JPS6037472A |
PURPOSE:To relieve water hammering in a valve by branching out a bypass from a pressure fluid discharge passage and making the bypass face to a stepped portion of the valve stem. CONSTITUTION:When a pressure fluid is sent to a valve seat...
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JPS6036792A |
PURPOSE: To improve the performance of the pump and miniaturize it by a method wherein air chambers, connected individually to first pump chamber and third pump chamber, are formed in a pump base to reduce the height of the pump and smoo...
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JPS6024804U |
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JPS605836B2 |
A fluid circulating system for instance a hydronic heating system, utilizes a Venturi-type device (20) to effect communication between the circulating system and a storage tank (26). The storage tank, which is maintained at ambient atmos...
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JPS6021576U |
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JPS604045Y2 |
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JPS603362Y2 |
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JPS605798A |
PURPOSE:To eliminate the pulsating current due to excess output by providing an irreversible time constant circuit in which the time constants between charging and discharging are differentiated in a feedback loop, thereby preferably con...
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JPS603269U |
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JPS603286U |
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JPS603270U |
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JPS59181939U |
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JPS5948643B2 |
Reverse osmosis, particularly for water desalination, uses semipermeable membranes (17) which selectively permeate purified water (22) from a feed solution (21) pressurized by a reciprocating feed pump (7) driven by rotating crankshaft (...
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JPS5947152B2 |
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JPS59163182U |
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JPS5939189Y2 |
A device for pumping fluid includes a main pump device and an auxiliary device integrally fixed thereto. The auxiliary device can function as a damper, cut-off valve, check valve and relief valve. The auxiliary device includes a first an...
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JPS5944510B2 |
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JPS59156161U |
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JPS5936112B2 |
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