Patent ID: 8231993
Filing Date: 2012-07-31
Classification: F16L,Y10T

Abstract:
1. A flow cell battery, comprising: a flow cell; at least one holding tank, coupled to the flow cell, containing an electrolyte composition that is provided to the flow cell during use; and a tubing assembly, comprising an outer tube, the outer tube having corrugations of a first pitch and low permeability to gasses, the corrugations extending along an entire length of the outer tube; an inner tube received in the outer tube, the inner tube comprised of an elastic material and having corrosion resistance to liquids and gasses; and a first insert, the first insert including a first section with an outer surface having annular teeth thereon, the annular teeth having a second pitch related to the first pitch such that the distance between two adjacent annular teeth is a non-zero integer multiple of the distance between two adjacent corrugations of the outer tube, wherein: