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:
Sep. 12, 1995
Filed:
Aug. 19, 1994
Marvin D Wells, Redford, MI (US);
Debojit Barua, Troy, MI (US);
William P Richardson, Columbus, IN (US);
Lawrence W Evers, Lake Linden, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
A method for improving the atomization quality from a fluid injector includes the steps of inducing a first vortex turbulence in the fluid flowing past a first protrusion in a supply orifice having a flow axis therein, guiding the fluid through a turbulence cavity and then out through a first metering orifice having another protrusion positioned downstream from the first protrusion by a distance y measured generally parallel to the flow axis and by a distance x measured generally perpendicular to the flow axis. The droplet size of the fluid exiting from the metering orifice is reduced by sizing the x and y dimensions to position the first vortex turbulence within the turbulence cavity operatively adjacent to and upstream from the first metering orifice. In a preferred embodiment, the ratio of x/y is greater than 0.5 and less than 5. A fuel injector nozzle practicing this process is also provided.