INTERNAL GEAR PUMP

AN INTERNAL GEAR PUMP INCLUDES AN INNER ROTOR HAVING N TEETH AND AN OUTER ROTOR HAVING (N + 1) TEETH. A TOOTH PROFILE OF THE INNER ROTOR IS AN ENVELOPE OF A GROUP OF LOCUS CIRCLES (13) EACH HAVING A DIAMETER C AND HAVING A CENTER ON A TROCHOIDAL CURVE (T), THE TROCHOIDAL CURVE BEING DRAWN ALONG A LO...

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Bibliographische Detailangaben
Hauptverfasser:	KOSUGE, TOSHIYUKI, UOZUMI, MASATO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MACHINES OR ENGINES IN GENERAL 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 MACHINES OR ENGINES ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	AN INTERNAL GEAR PUMP INCLUDES AN INNER ROTOR HAVING N TEETH AND AN OUTER ROTOR HAVING (N + 1) TEETH. A TOOTH PROFILE OF THE INNER ROTOR IS AN ENVELOPE OF A GROUP OF LOCUS CIRCLES (13) EACH HAVING A DIAMETER C AND HAVING A CENTER ON A TROCHOIDAL CURVE (T), THE TROCHOIDAL CURVE BEING DRAWN ALONG A LOCUS OF A FIXATION POINT, WHICH IS LOCATED DISTANT FROM A CENTER OF A ROLLING CIRCLE (12) BY E, WHEN THE ROLLING CIRCLE (12) ROLLS ALONG A BASE CIRCLE (11) WITHOUT SLIDING. A TOOTH PROFILE OF THE OUTER ROTOR IS AN ENVELOPE OF A GROUP OF TOOTH-PROFILE CURVES OF A FORMATION INNER ROTOR, THE ENVELOPE BEING OBTAINED BY FIRST DRAWING THE FORMATION INNER ROTOR IN WHICH A DIAMETER OF THE LOCUS CIRCLE (13) IS EQUAL TO C' DETERMINED FROM EXPRESSION (C - t), REVOLVING A CENTER (Oi) OF THE FORMATION INNER ROTOR BY ONE LAP ALONG A CIRCLE (S) HAVING A DIAMETER (2e) AND CENTERED ON A CENTER (Oo) OF THE OUTER ROTOR, AND ROTATING THE FORMATION INNER ROTOR 1/N TIMES DURING THE REVOLUTION.