F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/60
F16K 15/00 (2006.01) E03C 1/122 (2006.01) F16K 24/06 (2006.01)
Patent
CA 1116045
ABSTRACT OF THE DISCLOSURE A ventilating valve is adapted to be connected to a pipe in which, when the pressure in the pipe is below the am- bient pressure, the pressure is equalized by causing ambient air to enter said pipe. The valve comprises an annular valve means. The pressure in a valve chamber communicates with the pipe act- ing on one side of said valve means while ambient pressure acts on the other side thereof through an inlet opening to the valve chamber. The inlet opening is defined by stays which extend between two seats co-operating with the valve means. There is arranged around the inner wall of the housing of said chamber a liquid collecting groove which is connected by means of one or more channels with the interior of a tubular connecting means for the pipe. Each such channel is arranged in a stay.
335209
G. Ronald Bell & Associates
Persson Bengt A.
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