Fuel injector swirl nozzle assembly
AssigneeVisteon Global Technologies, Inc.
InventorMin Xu
Life of this patent
Estimating the term…
Abstract
A fuel injector nozzle assembly includes an injector body including a valve seat with a supply passage through which fuel flows generally along a supply axis. A nozzle plate having a top surface and a bottom surface is mounted onto the valve seat. The top surface includes a recess formed therein whereby fuel flows into the recess from the supply passage. A plurality of swirl chambers are formed within the top surface, each having a conical orifice extending from the swirl chamber to the bottom surface of the nozzle plate. A plurality of channels interconnect each of the swirl chambers to the recess, wherein the channels meet the swirl chambers offset from a center of the swirl chambers.
Claims49
A fuel injector nozzle assembly comprising:
- an injector body including a valve seat with a supply passage through which fuel flows generally along a supply axis;
- and
- a nozzle plate having a top surface and a bottom surface mounted onto said valve seat, said top surface having a recess adapted to receive fuel from said supply passage, a plurality of swirl chambers formed within said top surface, each swirl chamber having a conical orifice extending from a center of said swirl chamber to said bottom surface of said nozzle plate, and a plurality of channels interconnecting said swirl chambers and said recess;
- said plurality of orifice holes being evenly distributed along an oval pattern.
A nozzle plate comprising:
- a top surface and a bottom surface;
- a circular recess formed within said top surface and adapted to receive a flow of fuel;
- a plurality of circular swirl chambers formed within said top surface, each swirl chamber having a conical orifice hole located at a center and extending from said swirl chamber to said bottom surface;
- said plurality of orifice holes are evenly distributed along an oval pattern which is concentric with said recess;
- and
- a plurality of channels interconnecting said swirl chambers and said recess.
A nozzle plate comprising:
- a top surface and a bottom surface;
- a circular recess formed within said top surface and adapted to receive a flow of fuel;
- a plurality of circular swirl chambers formed within said top surface, each swirl chamber having a conical orifice hole located at a center and extending from said swirl chamber to said bottom surface, each of said orifice holes including a centerline that is angled relative to a supply axis;
- and
- a plurality of channels interconnecting said swirl chambers and said recess.
A nozzle plate comprising:
- a top surface and a bottom surface;
- a circular recess formed within said top surface and adapted to receive a flow of fuel;
- a plurality of circular swirl chambers formed within said top surface, each swirl chamber having a conical orifice hole located at a center and extending from said swirl chamber to said bottom surface;
- and
- a plurality of curved channels interconnecting said swirl chambers and said recess.
A fuel injector nozzle assembly comprising:
- an injector body including a valve seat with a supply passage through which fuel flows generally along a supply axis;
- and
- a nozzle plate having a top surface and a bottom surface mounted onto said valve seat, said top surface having a recess adapted to receive fuel from said supply passage, a plurality of swirl chambers formed within said top surface, each swirl chamber having a conical orifice extending from a center of said swirl chamber to said bottom surface of said nozzle plate, and a plurality of channels interconnecting said swirl chambers and said recess;
- each of said orifice holes including a center line, said center line being angled relative to said supply axis.
A fuel injector nozzle assembly comprising:
- an injector body including a valve seat with a supply passage through which fuel flows generally along a supply axis;
- and
- a nozzle plate having a top surface and a bottom surface mounted onto said valve seat, said top surface having a recess adapted to receive fuel from said supply passage, a plurality of swirl chambers formed within said top surface, each swirl chamber having a conical orifice extending from a center of said swirl chamber to said bottom surface of said nozzle plate, and a plurality of curved channels interconnecting said swirl chambers and said recess.
Dependencies are inferred from the claim text.