OIL PUMP

To provide an oil pump which is improved in durability.SOLUTION: A rotor 4 which rotates by a rotation force of a crankshaft 3 has a fitting hole 4b into which two-face widths 301a, 301b of the crankshaft 3 are inserted. The fitting hole 4b has inside circular arc parts 402a, 402b formed at position...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MATSUMURA AKIRA, SAGA KOJI, SAGAWA NOBUAKI
Format:	Patent
Sprache:	eng ; jpn
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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