Oil Pump

An oil pump includes: a housing; a pump constituting section; a discharge opening portion; and a suction opening portion which includes a termination end portion including a termination end inner circumference portion, a termination end outer circumference portion provided radially outside the termi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KATO, Daisuke, SOGAWA, Nobuaki, SAGA, Koji
Format:	Patent
Sprache:	eng
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:	An oil pump includes: a housing; a pump constituting section; a discharge opening portion; and a suction opening portion which includes a termination end portion including a termination end inner circumference portion, a termination end outer circumference portion provided radially outside the termination end inner circumference portion, and positioned radially outside the cam profile surface, a curved surface portion connecting the termination end inner circumference portion and the termination end outer circumference portion, and a cross portion at which the curved surface portion is crossed with the cam profile surface, and which is positioned at a position at which a radial length of a vane of the plurality of the vanes that confronts the suction opening portion is shorter than a half of an entire length of the vane.