HIGH PRESSURE FUEL INJECTION PIPE

PROBLEM TO BE SOLVED: To provide a high pressure fuel injection pipe which can be used as a high pressure fuel injection pipe for a cylinder injection type gasoline engine having an injection pressure of 4 to 20 MPa, is sufficiently durable for low grade gasoline, sour gasoline, DME (dimethyl ether)...

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Bibliographische Detailangaben
1. Verfasser:	MORITA YOSHIHARU
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMBUSTION ENGINES DIFFUSION TREATMENT OF METALLIC MATERIAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PUNCHING METAL SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a high pressure fuel injection pipe which can be used as a high pressure fuel injection pipe for a cylinder injection type gasoline engine having an injection pressure of 4 to 20 MPa, is sufficiently durable for low grade gasoline, sour gasoline, DME (dimethyl ether), alcohol, alcohol mixed fuel, etc., and has an outside diameter of around 6.35 mm, an inside diameter of 2.95 to 4.35 mm, and a wall thickness of 1.0 to 1.7 mm. SOLUTION: The high pressure fuel injection pipe is manufactured by overlapping and drawing an outer pipe 2 made of an electroseamed pipe or a seamless pipe and an inner pipe 1 made of an electroseamed pipe having a coating film of Ni or a Ni alloy so as to make them close contact with each other. COPYRIGHT: (C)2006,JPO&NCIPI