PLUNGER DRIVE STRUCTURE FOR FUEL PUMP AND NEEDLE ROLLER BEARING FOR SUPPORTING PLUNGER FOR FUEL PUMP

PROBLEM TO BE SOLVED: To provide a plunger drive structure for a fuel pump which reduces torque loss during rotation and has high lubricity. SOLUTION: A fuel pump 11 is equipped with a rotary shaft 12 having an eccentric part 12a, a needle roller bearing 13 for supporting the eccentric part 12a of t...

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Bibliographische Detailangaben
1. Verfasser:	KATAOKA MASAHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a plunger drive structure for a fuel pump which reduces torque loss during rotation and has high lubricity. SOLUTION: A fuel pump 11 is equipped with a rotary shaft 12 having an eccentric part 12a, a needle roller bearing 13 for supporting the eccentric part 12a of the rotary shaft 12, a tappet 14 radially arranged by being abutted to an outer race of the needle roller bearing 13 and a plunger 15 arranged on the tappet 14 and reciprocating through rotation of the rotary shaft 12. COPYRIGHT: (C)2007,JPO&INPIT