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Self-righting life raft

  • US 10,457,361 B2
  • Filed: 02/09/2018
  • Issued: 10/29/2019
  • Est. Priority Date: 02/09/2018
  • Status: Active Grant
First Claim
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1. A life raft comprising:

  • a base comprising a first side and a second side; and

    an inflatable canopy coupled to the first side of the base and configured to inflate and extend across the first side of the base to form a first chamber defined between the first side of the base and the inflatable canopy;

    wherein the inflatable canopy is configured to inflate in response to deploying the life raft;

    wherein the inflatable canopy is coupled along and extends from at least 50% of a circumference of the base;

    wherein the inflatable canopy comprises a dome having an inner layer and an outer layer, wherein an internal inflatable volume of the inflatable canopy is defined between the inner layer and the outer layer;

    wherein the base comprises an inflatable border tube defining a first inflatable volume;

    wherein the internal inflatable volume of the inflatable canopy is a second inflatable volume; and

    wherein the first inflatable volume is in fluidic communication with the second inflatable volume.

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