Patent · US Active

Hydrogen pressure tank including an inner liner with an outer annular flange

US7731051B2 · kind B2 · utility

13Cited by

62References

5Claims

0Family size

Assignee

GM GLOBAL TECHNOLOGY OPERATIONS LLC · US

Inventors

Thorsten Rohwer · Trebur, DE
Ingo Hermann · Mainz, DE

Key dates

Filing date	Jul 13, 2005
Grant date	Jun 8, 2010
Priority date	—
Expiry date	Dec 6, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/32
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A tank for storing a compressed gas, such as hydrogen, that includes a connection assembly to increase seal integrity. The tank includes an inner gas tight liner and an outer support layer that provides the structural integrity. The connection assembly includes a boss positioned within an opening of the support layer. The inner liner includes a neck portion extending through an internal bore of the boss having an outer collar or flange at an outside surface of the boss. A tank valve is bolted to the boss at an outer perimeter of the collar where a portion of the tank valve extends through the neck portion of the liner and into the tank.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.