CPC G01F 1/8418 (2013.01) [G01F 1/8404 (2013.01)] | 20 Claims |
1. A balance bar (230), comprising:
a first side portion (231) having a hollow interior for receiving a flow tube (220);
a central portion (233) having a hollow interior for receiving the flow tube (220); and
a first side flexible portion (234) comprising at least one flexible coupler (250), the first side flexible portion (234) directly coupling at least one of two or more first side ribs (236a, 236b) of the first side portion (231) with at least one of two or more central side ribs (236e, 236f) of the central portion (233);
wherein the first side portion (231) and the central portion (233) are both more rigid than the first side flexible portion (234).
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