Pressure demand regulator with automatic shut-off

Details Pressure demand regulator with automatic shut-off Pressure demand regulator with automatic shut-off

A - Human Necessities

62

B

137/1.5

A62B 7/04 (2006.01) A62B 9/02 (2006.01) A62B 9/04 (2006.01) B63C 11/22 (2006.01)

Patent

CA 1149701

PRESSURE DEMAND REGULATOR WITH AUTOMATIC SHUT-OFF ABSTRACT A pressure demand breathing apparatus having a face mask connected through a pressure demand regulator with a shut-off device that operates automatically to interrupt the supply of air to the mask when the face mask is removed. The device operates with a time delay to permit momentary user-induced high flow rates without interrupting the supply.

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