FLEXTENSIONAL RESONANT PIPE PROJECTOR
申请公布号:CA2431874(C)
申请号:CA20032431874
申请日期:2003.06.09
申请公布日期:2007.01.09
发明人:FLEMING, RICHARD ALFRED G.;PURCELL, CHRISTOPHER JOHN A.
分类号:G10K11/22;G01S7/52;G10K9/12
主分类号:G10K11/22
摘要:An underwater acoustic projector comprising a pair of spaced apart end walls with an acoustic driver positioned between the end walls, the driver having smaller cross- sectional dimensions than the end walls. The projector has a one piece thin wall inwardly concavely shaped shell with corrugations running in the axial direction surrounding the driver and mechanically coupled to the end walls. An open ended tubular waveguide (pipe) is connected to each end wall of the projector and extend outward forming a flextensional resonant pipe projector.
APARATO DE AIREACION CON DIFUSOR
METODO PARA CONTROLAR DEPOSITOS DE RESINA EN PROCEDIMIENTOS PARA FORMAR PULPA Y FABRICAR PAPEL
Liquid purification apparatus and a method of purification
PERFECCIONAMIENTOS EN LA CONSTRUCCION DE CONTENEDORES
BORDE DE VERTICE PARA UNA LLANTA
3-(1,2-BENCISOXAZOL-3-IL)-4-PIRIDINAMINAS Y DERIVADOS
ANALOGOS DE AICA RIBOSIDO,SUSTITUIDOS CON IMIDAZOL
DERIVADOS DE HALOGENOALQUIL-AZOLILO Y PROCESO PARA SU PREPARACION
CARBAMOIL-1-(PIRIDINILALQUIL)-1H-INDOLES,INDOLINAS Y ANALOGOS A FINES
PRODUCTOS ALIMENTICIOS ESTABILIZADOS CON ACIDOS
MOTOR RADIAL DE AIRE COMPRIMIDO
POLIMERO INJERTADO CON GRUPO FUNCIONAL DE ISOCIANATO Y PROCESO PARA SU PREPARACION