Measuring and testing – Volume or rate of flow – Thermal type
Patent
1977-08-25
1978-07-25
Gill, James J.
Measuring and testing
Volume or rate of flow
Thermal type
116117C, G01F 122
Patent
active
041021878
ABSTRACT:
A fluid flow meter of fluid-tight, sandwiched assembly of three flat faced plates with transparent, fluid impervious sheets interposed between the plates. The central plate is symmetrically tapered to be wider at the upper end than at the lower end. Each of the three plates has at least one elongated slot cut therethrough with the slots in coplanar alignment in the sandwiched assembly. The central, tapered plate has extensions at either end of the slot cut less than all the way through from the same side of the plate. The plate and transparent sheet adjacent to the side of the tapered plate containing the slot extension have perforations therethrough aligned to permit passage of fluid from the outside of the meter through the extensions to the slot in the central plate. A plummet is inserted in the slot in the second plate.
REFERENCES:
patent: 1454301 (1923-05-01), Van Hise
patent: 3310985 (1967-03-01), Belsterling
patent: 3403563 (1968-10-01), Bowles
Gill James J.
Phillips Petroleum Company
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