Title:
REBREATHER SETPOINT CONTROLLER AND DISPLAY CROSS REFERENCE TO RELATED APPLICATIONS
Document Type and Number:
WIPO Patent Application WO/2005/107390
Kind Code:
A2
Abstract:
An oxygen setpoint controller (SPC) and a user's display for a rebreathing
apparatus wherein the user exhales oxygen depleted breath into a closed rebreathing
loop, the C02 is scrubbed from the exhaled gases, oxygen is added to the rebreathing
loop to maintain the oxygen at a specified partial pressure, and the oxygen enhanced
gases in the rebreathing are provided to the user. The SPC is able to detect the
failure of any of the oxygen sensors and provide an alarm condition to the user.
The SPC further operates to provide dive data such as rate of ascent, time of dive,
depth, and PP02 to the uses, and to store and retain dive data for further review.
"he SPC further provides numerical dive data to a heads up display (HUD).
The HUD further includes a tricolor LED displaying selected analog parameters.
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Inventors:
STRAW PHILIP EDWARD (US)
Application Number:
PCT/US2005/014734
Publication Date:
November 17, 2005
Filing Date:
May 02, 2005
Export Citation:
Assignee:
HELIOX TECHNOLOGIES INC (US)
STRAW PHILIP EDWARD (US)
STRAW PHILIP EDWARD (US)
International Classes:
A62B7/10; A62B9/00; B63C11/24
Foreign References:
| US6712071B1 | 2004-03-30 |
Attorney, Agent or Firm:
CASCIO, Anthony, Thomas (Ste 314 Millbrae, CA, US)
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