G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 15/18 (2006.01) G01F 15/00 (2006.01)
Patent
CA 2193037
An improved meter bar assembly including an elongated casting (10) having threaded inlet and outlet ports (18) and (30) along with spaced, threaded swivel receiving ports (22), (36). Shoulders (54) are located in each of the swivel receiving ports (22), (36) and an auxiliary port (70) is also located in the casting. A cylindrical tube (72) is disposed in the auxiliary port and extends into the casting (10) to provide a mechanical barrier between the outlet port (30) and the swivel port (36). A cap (76) is provided for the tube (72) and a check valve (78) disposed within the tube (72). A pair of swivel tubes, (28) and (40) are threaded into the ports (22), (36) and one of the swivel tubes (40) includes an internal check valve (96). Both swivel tubes are provided with stop surfaces (50) that abut the shoulders (54) of the associated swivel tube receiving ports to positively locate the swivel tubes (28) and (40) in the meter bar (10) and with respect to one another.
ne ensemble compteur amélioré comprenant une pièce coulée de forme oblongue (10) comportant une entrée et des orifices de sortie filetés (18) et (30) avec des orifices espacés filetés (22) (36) pour recevoir un pivot fileté. Des épaulements (54) se trouvent à l'intérieur de chaque orifice (22) (36) récepteur de pivot, et un orifice auxiliaire (70) se trouve également dans cette pièce coulée. Un tube cylindrique (72) est disposé dans l'orifice auxiliaire et se prolonge dans la pièce coulée (10) pour servir de barrière mécanique entre l'orifice de sortie (30) et l'orifice de pivot (36). Un bouchon (76) est prévu pour le tube (72) et un clapet anti-retour (78) disposé à l'intérieur du tube (72). Une paire de tubes pivotants (28 ) et (40) sont vissés dans les orifices (22) (36) et un des tubes pivotants (40) comprend un clapet anti retour interne (96). Les deux tubes pivotants ont des surfaces d'arrêt (50) qui aboutent les épaulements (54) des orifices correspondants receveur de tubes pivotants afin de localiser positivement les tubes pivotants (28) et (40) dans la barre de mesure (10) et les uns par rapport aux autres.
Daghe Joseph L.
Eckel John D.
A. Y. Mcdonald Mfg. Co.
Finlayson & Singlehurst
LandOfFree
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