Electropneumatic horn
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United States of America Patent
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-
May 2, 2006
Issued Date -
N/A
app pub date -
Aug 9, 2002
filing date -
Dec 28, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electropneumatic acoustic horn is disclosed, comprising an electric compressor unit for generating compressed air and a sound wave generator comprising at least an acoustic chamber associated to at least a volute wound acoustic duct adapted to propagate the produced sound to the outside. Air channelling means put the compressor unit in communication with each acoustic chamber. The compressor unit and the sound wave generator are mechanically connected in a removable way by fitting slidingly a collar.
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