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:
Feb. 24, 2026
Filed:
Feb. 02, 2023
Nuovo Pignone Tecnologie-s.r.l., Florence, IT;
Matteo Baldi, Florence, IT;
Martina Malarco, Florence, IT;
Egidio Pucci, Florence, IT;
Leonardo Fratini, Sondrio, IT;
Nuovo Pignone Tecnologie—S.R.L., Florence, IT;
Abstract
A fuel nozzle comprising a stem and a first fuel feed channel extending inside the stem from an inlet end positioned at a proximal end of the stem to a first fuel inlet plenum. The fuel nozzle further comprises a first set of fuel injectors fluidly coupled to the first fuel inlet plenum. The fuel nozzle further includes a second fuel feed channel extending inside the stem from an inlet end, positioned at the proximal end of the stem, to a second fuel inlet plenum. A second set of fuel injectors are fluidly coupled to the second fuel inlet plenum. Each fuel injector comprises a centerbody and an outer sleeve surrounding the centerbody and extending along the axis of the centerbody. An annular premix chamber is provided between each outer sleeve and the respective centerbody.