G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 3/18 (2006.01) F16K 37/00 (2006.01) F16K 41/00 (2006.01)
Patent
CA 2177431
A valve stem gas leak detector configured to surround the stem of a possibly leaking gas flow line valve and provide for external monitoring equipment an electrical resistance related to the amount of gas leakage occurring around the valve stem. Such a gas leak detector, termable a ring sensor, is formed in interengageable, generally semicylindrical segments for ease of installation around and removal from the valve stem, with one or both of each such segments having an interiorly arranged layer of gas sensor particulate material, and with interengaging connector/conductor pins across which the electrical resistance of one or both gas sensor material layers can be measured with the ring sensor in place on the valve stem.
Dolan James P.
Dolan James T.
Dolan Margaret R.
Dolan Patrick M.
Gowling Lafleur Henderson Llp
Salternate B.v.
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