F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
116/48, 137/95
F15B 13/02 (2006.01) B30B 15/14 (2006.01) F15B 20/00 (2006.01)
Patent
CA 1227990
ABSTRACT OF THE DISCLOSURE A safety monitor for a dual valve of the type that provides a malfunction signal when one of the valve members of the dual valve is not in its intended position. The monitor comprises a simple pressure sensing device that senses the pressure downstream of the inlet valve element of each of the valve members for sensing when a pressure exists downstream of the valve element.
449446
Mathis Logan H.
Thornton Douglas M.
Macrae & Co.
Ross Operating Valve Company
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