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:
Oct. 13, 1998
Filed:
Apr. 23, 1997
Richard W Hess, Ellicott City, MD (US);
Bowles Fluidics Corporation, Columbia, MD (US);
Abstract
A fluidic oscillator comprises a housing having interior walls defining a cylindrical space therein, a fluidic oscillator is mounted in said cylindrical space and has an oscillating chamber having an upstream end and a downstream end. A power nozzle issues a jet of fluid into the oscillation chamber from the upstream end thereof, an outlet formed in the downstream end. A pair of control ports at opposing sides of the power nozzle are coupled to a pair of feedback entranceways in the downstream end of the oscillator chamber and at corresponding opposing sides of the outlet. The control passageways connect each feedback entranceway with the a control port on the opposing sides, respectively. Each control passageway is formed in part by the interior wall and the oscillator element.