Purging and expansion mechanism

Details Purging and expansion mechanism Purging and expansion mechanism

H - Electricity

04

R

349/86

H04R 1/02 (2006.01) A61B 8/00 (2006.01) G10K 11/02 (2006.01)

Patent

CA 1167959

Case 04-4271-U.S. APPLICATION OF DONALD A. EVERT PURGING AND EXPANSION MECHANISM ABSTRACT A housing for an electroacoustic transducer includes a filling or access port for introducing an inert liquid into the chamber defined by the housing. The access port includes a bubble trap and a vent for extracting gaseous bubbles from the fluid fill. The structure of the access port also comprises a substantially zero spring pressure expansion cavity for the fluid.

388401

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