Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1996-03-08
1998-09-08
Asher, Kimberly L.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820128, 12820426, 137505, 251359, A62B 902, A62B 1810, A62B 704, F16K 3126
Patent
active
058030735
ABSTRACT:
A second stage scuba pressure regulator having a valve seat and a floating piston that is free to travel axially within adjustable limits in relationship to the valve seat. Upon pressurization, the piston is pneumatically actuated to make contact with a valve seat set to a pre-adjusted contact interference. Upon depressurization, the piston is free to retract away from the valve seat to a position of no or minimal contact which will prevent long term deformation of the contacting surfaces.
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Asher Kimberly L.
Tachner Leonard
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