Patent · US Active

Fuel injector

US11821396B2 · kind B2 · utility

0Cited by

0References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Dietmar Schmieder · Markgröningen, DE
Kai Gartung · Stuttgart, DE
Tobias Keller · Dittelsheim-Heßloch, DE

Key dates

Filing date	Oct 19, 2020
Grant date	Nov 21, 2023
Priority date	—
Expiry date	Oct 19, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2200/9015
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel injector having an improved sealing of an intake nozzle with respect to the receiving opening of a fuel distribution rail. A support ring, which engages with the sealing ring on the intake side, is provided at the intake nozzle. The support ring includes a planar underside for resting on a shoulder of the intake nozzle and a V-shaped contact surface facing the sealing ring. The support ring, which is acted on by the sealing ring, is provided with the V-shaped conical contact surface for the sealing ring that ensures that in the case of increased pressures, a minor radial escape of the support ring is made possible to the radial inside and outside and thus radial gaps and an extruding of the sealing ring into same are prevented.

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