F - Mech Eng,Light,Heat,Weapons – 03 – C
Patent
F - Mech Eng,Light,Heat,Weapons
03
C
230/85, 137/4.2
F03C 1/26 (2006.01)
Patent
CA 1220399
ABSTRACT OF THE DISCLOSURE A frangible pressure relief disc assembly is disclosed which is adapted to fit into a positive displacement pump on the suction side of each cylinder. The disc assembly provides a pressure relief when the fluid passing through the pump encounters a closed valve or other obstruction in the line. The disc assembly comprises: (a) a support member having a first side and second side which is penetrated by a passage (e.g., a bore) providing fluid communication from the first side to the second side, and (b) a pressure frangible disc fixedly attached to the support member and positioned to form a fluid-tight seal covering the passage.
442649
Cameron Donald C.
Shireman Paul M.
Dowell Schlumberger Canada Inc.
Smart & Biggar
LandOfFree
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