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JPH02503815A |
A regenerative rotodynamic compressor has a stator which defines, together with the periphery of an impeller, an annular flow channel of circular cross-section within which is a core ring having a circular cross-section coaxial with and ...
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JPH02127796U |
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JPH0246797B2 |
Centrifugal pump for particulate matter, e.g. pulverized coal, comprising two discs being kept at a distance from each other. The distance (d) between the two discs decreases as a function of the radius (R) of the discs in such a way, th...
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JPH0245769B2 |
A fan, especially for the conveyance of the combustion air in a motor vehicle heating system, provides for adjusting of its output, with an efficiency that is as high as possible, and little operating noise. The fan, which preferably is ...
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JPH02118191U |
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JPH02238199A |
PURPOSE: To improve the productivity by injection moulding an open impeller of blades and a hub having a diagonal surface of thermoplastic synthetic resin, and heating ranges from the root of the blades to their tip for softening and ben...
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JPH02215997A |
PURPOSE: To facilitate mold manufacture and mold removal after casting in opening the front and rear of a blade by joining those of wheel and blade, solidly formed around a rotational axis, together with a hub structure separately formed...
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JPH02207194A |
PURPOSE: To prevent the problem of the conventional noise generation when a blast element is rotated across the generated flow of a fluid by rotating stream generating plates with surfaces moving the fluid only by the sticking phenomenon...
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JPH02207193A |
PURPOSE: To improve blast efficiency by arranging a circular blade at the air intake port of a bypass passage so that the reverse air stream at the time of a low flow is guided to the bypass passage and the air stream at the time of a hi...
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JPH02188692A |
PURPOSE: To maintain a sound absorbing action on gas holding water, etc., containing dissolved foreign matters for long periods of time by respectively loading a muffling material made up of closed cell bodies on the leeward of a mufflin...
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JPH0278796U |
A side-channel compressor includes a rotor rotatably supported in the housing of the compressor. The rotor includes a blade ring arranged at the outer circumference of a disk-shaped hub. A clearance space is provided between the housing ...
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JPH0276124U |
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JPH02146292A |
PURPOSE: To make a space as small as possible and improve cooling performance so as to obtain a ring air blower of high reliability by providing a discharge joint directed outward at the side wall of a discharge passage as well as an int...
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JPH0225039B2 |
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JPH02136597A |
PURPOSE: To prevent the generation of turbulent flow of air by setting the thickness dimension on the suction side of a blade piece over the max. thickness dimension on the discharge side, having a prtiting line in molding which is gener...
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JPH0264791U |
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JPH02112697A |
PURPOSE: To improve the exhaust characteristics by forming a pointed part at each of the entry and exit part of a blade axially having both an inlet and an outlet. CONSTITUTION: Each disk 80 of a rotor 8 and a blade 81 formed around the ...
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JPH02108895A |
PURPOSE: To obtain a compact and highly efficient turbo-vacuum pump by providing vortex flow vane wheels, formed of vanes disposed at the inner periphery of a rotor and a ventilation flue disposed at the outer periphery of a stator, in m...
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JPH0299793A |
PURPOSE: To improve the compression efficiency by securing the sufficient angular motion energy by projecting a plurality of blades onto a vane wheel and setting the inlet angle of the front edge and the outlet angle of the rear edge to ...
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JPH0278793A |
PURPOSE: To improve the vibration characteristic, stability and pump performance by forming an impeller shaft and an electric motor rotor for driving said shaft into an integral rotating shaft, supporting the both end parts of the rotati...
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JPH0228593U |
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JPH0240097A |
PURPOSE: To aim at reduction in a vortex loss by forming an air suction side end of a blade attached to an impeller body via a blade mounting plate into a form with curvature along an inlet air flow. CONSTITUTION: An impeller 10 is made ...
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JPH025236Y2 |
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JPH029993A |
PURPOSE: To make improvements in compression efficiency by forming a spiral groove, which is gouged in a spiral direction toward an outlet port from an inlet port for guiding spiral motion of a fluid, in an inner circumferential surface ...
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JPH029994A |
PURPOSE: To make improvements in heat exchanging efficiency between a fluid and cooling water by forming a lot of projections, being projected to a main passage, on an inner circumferential surface of a hollow annular part. CONSTITUTION:...
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JPH024999U |
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JPH023099U |
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JPH01271698A |
PURPOSE: To reduce noise emission by forming an area covering a ring channel tapering uniformly in an area of a discharge opening in a direction from an inner edge to an outer edge of the ring channel. CONSTITUTION: A ring channel 4 havi...
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JPH01267390A |
PURPOSE: To miniaturize the drive source of, reduce the rotation mass of, and prevent the runout of the shaft of a vortex vacuum pump by integrally providing a disc-shaped rotor which is rotated at a high speed with a plurality of vanes ...
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JPH01148099U |
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JPH01145998U |
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JPH01145997U |
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JPH01145996U |
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JPH01102498U |
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JPH01170794A |
PURPOSE: To improve airflow characteristic and to reduce noise by providing an orifice on the outer peripheral portion of an impeller, a bell-mouth on the suction side end portion of an outer cylinder and a cylindrical cavity portion bet...
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JPH01147196A |
PURPOSE: To secure the sealing performance without reducing the effective length of a main flow passage for fluid by forming a partition member separating the main flow passage into a high pressure portion and a high pressure portion as ...
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JPH01134135A |
PURPOSE: To eliminate exfoliation, backflow, swirl, etc., in the air flow to reduce noises when air passes through an air guide by providing a circular arc section, parallel section, and oblique section in the air guide of a mixed flow f...
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JPH01121598A |
PURPOSE: To obtain high compression efficiency by reducing the advance angle of fluid caused by an impeller, and increasing the number of revolutions of fluid inside a main flow line. CONSTITUTION: An impeller 3 is formed with vanes 32 r...
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JPH0161495U |
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JPS6483882A |
PURPOSE: To improve a cooling effect with a compact structure by forming a blast blade, sending air toward a peripheral part of a casing surrounding a peripheral part of a bearing part in a turning shaft and an impeller, solidly with a p...
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JPH0116353B2 |
Centrifugal pump for introducing powdered solids into a pressurized space (e.g. coal in a pressurized gasifier) comprising a feed inlet (8) and a rotor (6) with passages (10) extending radially outwards from the rotor inlet. The pump als...
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JPS6425498U |
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JPS6415493A |
PURPOSE: To enable efficient operation to be performed by supporting impellers of a number of stages respectively by 4 spiral groove radial dynamic pressure bearings and spiral groove thrust bearing, filling each impeller with a permanen...
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JPS641517Y2 |
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JPS6361519B2 |
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JPS63266191A |
PURPOSE: To prevent generation of unbalance without causing raised processing accuracy and enhance the compression ratio by furnishing ducts in the form of an arc of circle in that position of each notch in a cylinder that is mating with...
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JPS63263297A |
PURPOSE: To enable an eddy flow type turbomachine to obtain high pressure and high efficiency by sucking external gas through an ejector, introducing the gas into a main passage by use of energy of carryover gas, and reducing carryover g...
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JPS6354155B2 |
In an axial flow rotary compressor a fluid flow inlet is circumferentially separated from a fluid flow outlet by a dynamic flow splitter comprising at least one toroidal chamber providing a loop fluid flow path intersecting the path of t...
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JPS63254922A |
A rotary blower and discharge spout assembly (10) for an ensilage harvester is provided with a deflector (42) at the outlet (18) of the blower into the spout (28, 30). The deflector (42) extends the blower housing (12, 14) at the upstrea...
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JPS6337516Y2 |
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