Transducer assembly, ultrasonic atomizer and fuel burner

Details Transducer assembly, ultrasonic atomizer and fuel burner Transducer assembly, ultrasonic atomizer and fuel burner

F - Mech Eng,Light,Heat,Weapons

23

D

158/134

F23D 11/34 (2006.01)

Patent

CA 1090694

ABSTRACT OF THE DISCLOSURE A transducer assembly includes a first half wavelength double-dummy section having a pair of quarter wavelength ultrasonic horns and a driving element sandwiched therebetween. A second half wavelength stepped amplifying section extends from one end of the first section and has a theoretical reso- nant frequency equal to the actual resonant frequency of the first section. When used as a liquid atomizer, the small diameter portion of the stepped amplifying section has a flanged tip to provide an atomizing surface of in- creased area. To maintain efficiency, the length of the small diameter por- tion of the second section with a flange should be less than its length with- out a flange. A decoupling sleeve within an axial liquid passageway elimi- nates premature atomization of the liquid before reaching the atomizing sur- face.

336571

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