External gear oil pump used for lubricating oil supply of internal combustion engine, has conveying stages whose pressure sides are combined, while connecting suction sides to cover of pump housing via suction channel
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Two-stage pressure control for hydraulic pumps
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Method for pressure control of two hydraulic circuits in hydraulic system for supplying oil to internal combustion engine in motor car, involves arranging throttle valve within oil pump according to branching of hydraulic circuits
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External gear-oil pump for combustion engine, has two gear wheels arranged in housing, and control piston arranged in stepped bore, where bore is formed as through-hole of housing and closed at side by cover
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Engine lubrication pump with adjustable-pressure delivery, includes first and second throttles of differing sizes in casing of solenoid valve
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Oil pump e.g. vane-type control oil pump, for supplying lubricating oil to internal combustion engine, has sealing element designed as cylindrical roller that rolls off at rolling surface of stator, where sealing element seals chamber
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Pressure switching configuration for oil pumps
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Pressure changeover switch, especially for regulating combustion engine lubrication system oil pump, has control pressure line with first choke, branch line to pressure sink with second choke and/or control device with adjustable throughput
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Regular oil pump with adjustment-dependent oil pressure control
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Bypass pressure relief for external gear control oil pumps
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Rotation speed dependent pressure controller for hydraulic pumps, particularly for lubricating pumps of internal combustion engines, has two conveyor wheels and oil pocket, extending adjacent to conveyor wheel in rotational direction
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Lubricating oil supply for internal combustion engine has spring limiting deflection of centrifugal oil feed regulator
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Control oil pump for a lubricating oil supply in a combustion engine comprises a conveying toothed wheel either fixed axially in the pump housing or formed as a component of a sliding unit which slides in the housing
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Regulator for hydraulic pump, has adjusting device adjusting flow rate of regulated oil pump, where regulator produces increased regulated pressure either from oil pressure or from discharge pressure fed over connection
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Controller for hydraulic pump i.e. external tooth gear-control oil pump, for lubricating oil supply of internal combustion engine, has regulator producing control pressure from delivery pressure of hydraulic pump
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External gear wheel control oil pump for internal combustion engine, has partition plate with minimum backlash to outer contour of lift gear wheels, where oil flow is led on contact area of wheels in channel, during partial oil production
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Engine speed-dependent pressure regulation of oil pumps
