GEAR PUMP WITH MEANS FOR REDUCTION OF CAVITATION

A fluid gear pump comprising: a first gear (56) including a concentrically disposed first hub portion (72) and a plurality of first teeth (74); a second gear (60) including a concentrically disposed second hub portion (72) and a plurality of second teeth (74), wherein at a time in operation the plur...

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Bibliographische Detailangaben
Hauptverfasser:	SOTERIOU, Marios C, LI, Xiaoyi, ELDER, James, COCKS, Peter A.T
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING 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:	A fluid gear pump comprising: a first gear (56) including a concentrically disposed first hub portion (72) and a plurality of first teeth (74); a second gear (60) including a concentrically disposed second hub portion (72) and a plurality of second teeth (74), wherein at a time in operation the plurality of first teeth and second teeth contact at first and second contact point to create a backlash volume (90); a first bearing (58) abutting and coaxial to first hub portion; a second bearing (62) abutting and coaxial to second hub portion; and a bridgeland (100) connecting the first and second bearing, the bridgeland (100) separates a low pressure side from a high pressure side, the bridgeland (100) is located such that the backlash volume (90) closes to the high pressure side and opens to the low pressure side when a rate of change of a volume measurement of the backlash volume (90) is decreasing or about equal to zero.