Patent ID: 8397939
Filing Date: 2013-03-19
Classification: F17C

Abstract:
1. A composite compressed gas tank, comprising: an outer shell; a liner enveloped by the outer shell, the liner being made of a light metal; a port for in-feeding and discharging; a closing element having at least one channel for at least one of in-feeding and discharging of a gas, the closing element being arranged in the port; a connecting line made of a steel material, the connecting line being connected to a respective channel of the closing element; a transition element having a first end segment made of a light metal and having a second end segment made of a steel material; a first weld between the light metal first end segment and one of the liner and the closing element made of a light metal; and a second weld between the steel material second end segment and one of the closing element and the connecting line made of a steel material.