G - Physics – 01 – F
Patent
G - Physics
01
F
73/125, 116/66.1
G01F 1/34 (2006.01)
Patent
CA 1215856
METHOD AND APPARATUS FOR INDICATING LEAKAGE IN COMPRESSED AIR LINE Abstract of the Disclosure Method and apparatus for indicating on a pressure differential gauge whether air leakage in a compressed air line is within a predetermined acceptable level, the gauge has pressure-responsive and manually shiftable pointers and is connectable in the air line across a first restriction in the linefor indicating by the pressure-responsive pointer pressure differentials across the first restriction, and a second restriction temporarily insertable in the line downstream of the first restriction for passing air at a rate equal to the permissible air leakage from the line, and discharging air through the second restrictionand indicating by the manually shiftable pointer the position of the pressure responsive pointer during such discharge, the manually shiftable pointer after removal of the temporary restriction indicating by the relative position of the pressure-responsive pointer on charging of the line whether leakage therefrom is within acceptable limits.
466738
Bowles Robert W.
Frantz Virgil L.
Riches Mckenzie & Herbert Llp
Roanoke College
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