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US 5,474,351 AGranted
Service manifold for tank blanketing and venting valves
OwnerJone Y. Lighinventor
Life of this patent
Estimating the term…
Abstract
A manifold with provisions for blanket gas entry, vapor exhaust, and sensing port(s) for mounting on a single nozzle on the tank comprising a special tee and a flow pipe with connections on the tee to suit the mating equipment (flanges, thread, or a combination thereof).
Claims4
A service manifold comprising:
- a substantially linear main conduit having an entry end and an exit end at opposite ends thereof and
- an auxiliary conduit having a first portion located externally of said main conduit and a second portion extending internally into said main conduit intermediate of said entry and said exit ends, said auxiliary conduit second portion defining an axial arcuate surface within said main conduit and extending toward the entry of said main conduit and beyond said entry end, said second portion being positioned adjacent to a wall of the main conduit and having a cross sectional area of less than 50% of said main conduit, said second portion of said auxiliary conduit being linear throughout the length thereof.
Dependencies are inferred from the claim text.