Patent · US Active

Fuel nozzle having an inner tube and an outer tube engaged with the inner tube

US9435262B2 · kind B2 · utility

2Cited by

5References

9Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Olga Deiss · Mülheim an der Ruhr, DE
Berthold Köstlin · Duisburg, DE
Jaap Van Kampen · Roermond, NL

Key dates

Filing date	Nov 9, 2012
Grant date	Sep 6, 2016
Priority date	—
Expiry date	May 25, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF23R2900/00002
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A fuel nozzle (2) for two fuels, with an inner pipe (5) with radially oriented outlet openings (7) for a first fuel and with an outer pipe (6), surrounding the inner pipe (5), with axially oriented outlet openings (10) for a second fuel; an axially extending groove (18) on an outer surface of the inner pipe (5) and a projection (19) inward from the outer pipe which engages in the groove (18) as an anti-torsion device (17) and which is arranged between two axial outlet openings (10). Alternative groove and projection configurations are disclosed.

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