F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/36
F04B 39/04 (2006.01) F04B 43/00 (2006.01)
Patent
CA 1333134
A diaphragm assembly includes a pair of superposed flexible diaphragms adhesively secured to an annular spacer ring. The space between the diaphragms and the interior of the rings is filled preferably with de-ionized water. The resistivity of the water is monitored to detect conductivity changes upon leakage or diaphragm rupture when pumped materials or pump lubricant mix with the water. Diaphragm assembly and rupture detection methods are disclosed.
610939
Becker Kevin C.
Kennon James
Lader Harry J.
Rehman William R.
Wacker Robert L.
Corporation Nordson
Macrae & Co.
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