Patent ID: 8025077
Filing Date: 2011-09-27
Classification: F16K,Y10T

Abstract:
1. A mechanical fuse to prevent an unexpected leakage of a gaseous fuel in an automobile comprising: a pipe including a first hinge located in the hollow cavity and attached to the inner wall; a first spring located in the hollow cavity and attached to the inner wall; and a first flap located in the hollow cavity and connected to the first hinge and the first spring, the first flap including: wherein when a pressure difference between the first pressure and the second pressure is below a pressure threshold, the first spring retains the first flap in a first position allowing the gaseous fuel to flow from the first portion to the second portion and when the pressure difference between the first pressure and the second pressure is not below the pressure threshold the first flap moves to a second position preventing the gaseous fuel from flowing from the first portion to the second portion.