TWO-SECTION CENTRIFUGAL GEAR PUMP

FIELD: manufacture of aircraft engines; centrifugal gear pumps used in oil systems of aircraft gas-turbine engines. ^ SUBSTANCE: proposed two-section centrifugal pump has housing with two covers and two pairs of swinging gears with impellers fitted on two common shafts. Housing consists of two halve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ANDREEV A.V, GOLUBOV A.N, MARCHUKOV E.JU, JASHUNICHKIN I.K, SEMENOV V.G
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: manufacture of aircraft engines; centrifugal gear pumps used in oil systems of aircraft gas-turbine engines. ^ SUBSTANCE: proposed two-section centrifugal pump has housing with two covers and two pairs of swinging gears with impellers fitted on two common shafts. Housing consists of two halves forming closed cavity inside which covers are mounted in mirror image relative to each other and turned through 180 deg. Covers and halves of housing form two closed cavities where gears are located. Provision is made for enhancing tightness of pump at simplified adjustment of backlash in gears due to separation of adjusting functions and functions ensuring tightness in pump. ^ EFFECT: enhanced efficiency and reliability. ^ 4 cl, 2 dwg