Patent · US Active

Fuel injector having an improved high-pressure connection

US10954906B2 · kind B2 · utility

0Cited by

4References

30Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Ralf Kromer · Leinfelden, DE
Guenter Wolff · Schwieberdingen, DE

Key dates

Filing date	Jan 17, 2012
Grant date	Mar 23, 2021
Priority date	—
Expiry date	Oct 27, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M61/14
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel injection device includes a rail having at least one outflow opening, at least one injector situated on the rail, a connecting piece situated on the injector, and a flange element for fastening the injector on the rail. The flange element includes a central opening through which the connecting piece is guided. A metal-metal sealing is provided between the connecting piece and the rail. The connecting piece is designed in one piece with an undercut, and the flange element engages with the undercut of the connecting piece. The connecting piece presses against the rail in a sealing manner.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.