Improved stabilized survival raft

Details Improved stabilized survival raft Improved stabilized survival raft

1975-05-02

1977-01-11

Blix, Trygve M.

Ships

Building

Canal and ferry boats

9 2A, 114125, B63C 904

Patent

active

040019055

ABSTRACT:
A stabilized life raft utilizing a fluid filled depending buoy chamber for overall stabilization and including as improved features thereon a peripheral skirt chamber which fills with the raft supporting fluid upon deployment of the raft and serves as a temporary stabilizer while the buoy chamber becomes filled. The buoy chamber includes baffles to impede the flow of the stabilizing fluid from one portion of the chamber to another in the event of a sudden weight shift within the raft. An improved valve permits a more rapid inward flow of fluid upon deployment of the raft and yet prevents outward flow in instances where the buoyant raft is suddenly thrust upwardly by elements such as waves. The raft, because of the particular placement of the various structural elements in conjunction with the placement of the survival gear and inflation system, is automatically self-righting.

REFERENCES:
patent: 2399494 (1946-04-01), Manson et al.
patent: 3060465 (1962-10-01), Carstensen
patent: 3092854 (1963-06-01), Manhart
patent: 3703268 (1972-11-01), Pravaz

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