Valves

Details Valves Valves

A - Human Necessities

62

B

137/1.5

A62B 7/00 (2006.01) A62B 9/02 (2006.01) B63C 11/22 (2006.01)

Patent

CA 1147630

TITLE OF THE INVENTION Valves ABSTRACT OF THE DISCLOSURE A tilt valve incorporated in a demand regulator for breathing apparatushas a head which seats over an opening through which the valve stem extends for operation by a pressure-responsive diaphragm. This opening defines the outlet port of a chamber wherein the valve head is disposed, the inlet port of the chamber opening to the same side of the valve head as the outlet port. Gas flowing from the inlet port to the outlet port therefore need not pass between the periphery of the valve head and the surrounding wall of the chamber, so that the head can be a close fit in the chamber to ensure a consistent seating of the head over the valved port. 1.

352409

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