The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2000
Filed:
Nov. 12, 1998
Mario Ricco, Bari, IT;
Elasis Sistema Ricerca Fiat Nel Mezzogiorno Societa Consortile per Azioni, Pomigliano D'Arco, IT;
Abstract
The injector has a hollow body supporting a nozzle, and a metering valve ing a valve body housed in a cylindrical seat of the hollow body; the valve body has an annular cavity for distributing high-pressure fuel to a control chamber of the valve; the seat communicates with an axial cavity of the hollow body, in which the control rod slides and which is at atmospheric pressure; the valve body is fitted to the hollow body by means of a ring nut; the valve body has a portion having an outer truncated-cone-shaped surface; the seat has a portion having an inner truncated-cone-shaped surface; and the two truncated-cone-shaped surfaces have the same taper, and engage mutually in fluidtight manner by virtue of the ring nut.