Axial flow valve

Details Axial flow valve Axial flow valve

G - Physics

10

D

84/39

G10D 7/00 (2006.01)

Patent

CA 1210971

AXIAL FLOW VALVE ABSTRACT A rotary valve for selectively inserting and removing a slide loop from the sound path of a musical instrument is disclosed. The valve includes a rotor having an outer surface portion that is substantially conical and also includes a casing with a substantially conical inner surface portion that receives the outer surface portion of the rotor. Two sound passages entending through the rotor are no more than slightly curved. These passages align axially with the instrument's lead pipe, main bore, and slide loop ends so that a minimum or undesired hamonics are added to the tone of the instrument due to presence of the valve in the sound path.

455598

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