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2013
Porous journal bearings are made of a porous bush impregnated with oil, acting as an oil reservoir, and so avoiding any external oil supply, for lubricating the contact between a rotating shaft and the stationary bush (or sometimes between a stationary shaft and a rotating bush).
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Porous journal bearings are made of a porous bush impregnated with oil, acting as an oil reservoir, and so avoiding any external oil supply, for lubricating the contact between a rotating shaft and the stationary bush (or sometimes between a stationary shaft and a rotating bush).
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Automotive Bearing Systems—Journal Bearings
2012The principal use for journal bearings in automotive applications is for the crankshaft bearings, piston pin joint, balancer shafts, and crankshafts. These can either be half shells in which a split is required for assembly (e.g., crankshaft bearings) or bushes that can be inserted without a split (e.g., piston pin joints). For engine bearings, the oil
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Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 2002
In this report, numerical analyses of very narrow journal bearings are presented. The pressure distribution was determined for a number of different width-diameter ratios and eccentricities. For each combination, a number of relevant dimensionless design quantities were computed.
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In this report, numerical analyses of very narrow journal bearings are presented. The pressure distribution was determined for a number of different width-diameter ratios and eccentricities. For each combination, a number of relevant dimensionless design quantities were computed.
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Counterrotating Journal Bearings
Journal of Basic Engineering, 1962A theoretical derivation is given showing that whenever the center of curvature of a bearing does not coincide with its center of rotation, synchronous counterrotation will produce a load capacity. Test results are given for a number of bearing designs that operated successfully under synchronous counterrotation with load capacities beyond 1500 psi ...
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Dynamically loaded journal bearings
1975The aim of the work reported in this thesis was to develop a method, suitable for general design work, to determine the stability of a simple rotor mounted in hydrodynamic bearings, The rotor model used was a simple spring mass system, but the bearing model allowed a comprehensive range of bearing cross-sectional shapes and grooves to be assessed.
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Industrial Lubrication and Tribology, 1978
CERTAIN bearing applications require the use of a lubrication system contained within the bearing housing and independent of any outside systems or power sources. Marine main propulsion lineshaft bearings often fall into this category and the use of a disc‐scraper system for oil supply represents one solution.
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CERTAIN bearing applications require the use of a lubrication system contained within the bearing housing and independent of any outside systems or power sources. Marine main propulsion lineshaft bearings often fall into this category and the use of a disc‐scraper system for oil supply represents one solution.
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The Magnetohydrodynamic Journal Bearing
Journal of Basic Engineering, 1963An analysis of an infinite journal bearing is presented for the case of an electrically conducting fluid in the presence of a magnetic field. The magnetohydrodynamic form of Reynolds’ bearing equation is derived and solved for the pressure distribution. The load carrying capacity is determined from the pressure distribution.
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Functioning of Journal Bearings
1969When a journal bearing operates under conditions of hydrodynamic lubrication there is no contact between the rotating journal and the fixed bearing surface. In steady running the journal assumes an eccentric position, described as the journal attitude, in which the journal centre is displaced from the centre of curvature of the bearing surface in such ...
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