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Method for online detection of bushing buckling in pressurized gas storage systems

A storage system, pressurized gas technology, applied in the direction of gas treatment/storage purposes, container discharge methods, gas/liquid distribution and storage, etc., can solve the problems of bushing material fatigue cracking, durability problems, etc.

Active Publication Date: 2017-04-26
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bushing buckling is believed to be the cause of high stresses within the bushing material which in turn can cause durability issues and fatigue cracking of the bushing material

Method used

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  • Method for online detection of bushing buckling in pressurized gas storage systems
  • Method for online detection of bushing buckling in pressurized gas storage systems
  • Method for online detection of bushing buckling in pressurized gas storage systems

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Embodiment Construction

[0050] Reference will now be made in detail to presently preferred compositions, embodiments and methods of the invention, which constitute the best mode presently known to the inventors for carrying out the invention. The figures are not necessarily drawn to scale. It should be understood, however, that the disclosed embodiments are merely examples of the invention, which may be embodied in various and alternative forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a typical basis for any aspect of the invention and / or as a typical basis for teaching one skilled in the art to employ the invention broadly.

[0051]Unless expressly indicated in an example or otherwise, all quantities in the specification expressing amounts of material or conditions of reaction and / or use are to be understood as modified by the word "about" to describe the broadest aspect of the invention. scope. Practice within the numerical extremes stated...

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Abstract

The present invention relates to a method of on-line detection of liner buckling in a pressurized gas storage system. The pressurized gas storage system includes an enclosure having an inner surface and an outer surface. The inner surface defines an interior volume for holding pressurized gas. A first conductive layer is attached to the housing. An inner liner is disposed over the inner surface. The second conductive layer is attached to the inner bushing. A capacitance meter measures capacitance between the first conductive layer and the second conductive layer, wherein a change in capacitance is indicative of buckling of the storage system.

Description

technical field [0001] The present invention relates to a gas storage system for detecting liner buckling for fuel cell powered vehicles. Background technique [0002] Fuel cells are used as a source of electrical power in many applications. In particular, it is proposed to use fuel cells in automobiles to replace internal combustion engines. Commonly used fuel cell designs use solid polymer electrolyte ("SPE") membranes or proton exchange membranes ("PEEM") to provide ion transport between the anode and cathode. In proton exchange membrane type fuel cells, hydrogen is supplied to the anode as fuel and oxygen is supplied to the cathode as oxidant. Oxygen can be in a pure state (O 2 ) or air (O 2 and N 2 mixture). Typically a PEM fuel cell has a membrane electrode assembly ("MEA") in which a solid polymer electrolyte has an anode catalyst on one surface and a cathode catalyst on the opposite surface. [0003] Modern fuel cell vehicles store hydrogen in pressure vessels...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/24
CPCF17C13/002F17C13/02F17C2201/0109F17C2201/056F17C2203/0604F17C2203/0624F17C2203/0636F17C2203/0643F17C2203/0646F17C2203/0663F17C2221/011F17C2221/012F17C2221/031F17C2223/0123F17C2223/036F17C2250/036F17C2250/0404F17C2250/0478F17C2250/0491F17C2250/0495F17C2260/015F17C2270/0168F17C2270/0184G01N27/24Y02E60/32F17C1/00
Inventor R·耶格尔
Owner GM GLOBAL TECH OPERATIONS LLC
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