Patent ID: 6095142
Filing Date: 2000-08-01
Classification: A62B

Abstract:
Fluid pressure level indicator apparatus, comprising:a housing having first and second inlet openings and first and second pressure passages therein, wherein the first passage is in fluid communication with the first inlet opening, wherein the second passage is in fluid communication with the second inlet opening,a progressive pressure responsive device supported in said housing and in fluid communication with said first and second pressure passages, wherein said progressive pressure responsive device is movable to different discrete positions in response to the relative pressure levels in said passages,a position sensor device, wherein the positive sensor device is operative to detect movement of said progressive pressure responsive device to said different discrete positions,signal apparatus responsive to said position sensor device, wherein the signal apparatus is operative to provide unique signals indicative of said different discrete positions occupied by said progressive pressure responsive device, anda breathing apparatus for supplying breathing air to a user from a pressurized air supply source, said air supply being connected to said second passage for movement of said progressive pressure responsive device responsive to pressure of said air supply source.