Vane pump having a passage area ratio between an oil supply passage area and a gas passage area

A vane pump in which a lubricating oil from an oil supply pipe 12 is supplied to a pump chamber 2A through an axial direction oil supply hole 11a of an oil supply passage 11, a diameter direction oil supply hole 11b, and an axial direction oil supply groove 11c. A gas passage 13 includes a diameter...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAKIBARA RYUICHI, HAYASHIDA KIKUJI, KUNO YOSHIMASA, OHTAHARA KIYOTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS PRODUCING MECHANICAL POWER PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A vane pump in which a lubricating oil from an oil supply pipe 12 is supplied to a pump chamber 2A through an axial direction oil supply hole 11a of an oil supply passage 11, a diameter direction oil supply hole 11b, and an axial direction oil supply groove 11c. A gas passage 13 includes a diameter direction gas hole 13a and an axial direction gas groove 13b, and the diameter direction gas hole 13a is made to communicate with the axial direction gas groove 13b when the diameter direction oil supply hole 11b is made to communicate with the axial direction oil supply groove 11c.