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1. (WO2018101865) SONAR WITH DAMPING STRUCTURE

Pub. No.:    WO/2018/101865    International Application No.:    PCT/SE2016/051188
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Dec 01 00:59:59 CET 2016
IPC: G01S 7/521
G01S 15/00
Applicants: SAAB AB
Inventors: VIKLUND, Oskar
Title: SONAR WITH DAMPING STRUCTURE
Abstract:
The present disclosure relates to a sonar device (1) for detection of underwater objects. The sonar device comprises a body element (2) having a cavity. A piezo electric element (3) is comprised within the cavity. A resin filling (6) of the cavity protects the piezo electric element (3) from water at underwater operation. The sonar device further comprises a holder (4) adapted to hold the piezo electric element (3). The holder (4) is arranged to centre and hold the piezo electric element (3) within said body element (2). The holder (4) comprises in its structure a plurality of damping structures (5). A method of manufacturing holder and a sonar device is also disclosed.