×

Flow regulating valve in a breathing gas delivery system

  • US 5,937,855 A
  • Filed: 06/06/1995
  • Issued: 08/17/1999
  • Est. Priority Date: 04/21/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A system for providing breathing gas to a user, said system comprising:

  • a conduit;

    means for providing a flow of breathing gas within said conduit;

    means for varying a pressure of breathing gas flow within said conduit between selected pressure levels over a given time interval; and

    means for passing an essentially continuous flow of varying pressure gas from said conduit to an ambient pressure at an essentially constant flow rate throughout said given time interval.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×