Underwater gun comprising a turbine-based barrel seal

Details Underwater gun comprising a turbine-based barrel seal Underwater gun comprising a turbine-based barrel seal

2008-06-30

2010-11-16

Eldred, J. Woodrow (Department: 3641)

Firearms

Underwater type

C089S001809, C089S001810, C089S005000, C089S031000, C114S316000

Reexamination Certificate

active

07832134

ABSTRACT:
An apparatus and method for sealing the barrel of an underwater gun between firings is disclosed. The apparatus comprises a turbine that is disposed at the outlet of the muzzle of the gun. The turbine draws in water and, in various embodiments, either (a) vaporizes it, forming a vapor barrier along the spin axis that keeps water out of the barrel, (b) expels it radially, thereby re-directing it so that it does not enter the barrel, or (c) generates water jets that prevent water from entering the barrel.

REFERENCES:
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patent: 6305263 (2001-10-01), Wallin
patent: 6701819 (2004-03-01), Williams et al.
patent: 7237353 (2007-07-01), Beauchamp et al.

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