Invention Grant
US08511345B2 Detecting and automatically responding to airborne hydrocarbon gas 失效
检测并自动响应空气中的碳氢化合物气体

Detecting and automatically responding to airborne hydrocarbon gas
Abstract:
A method for controllably delivering hydrocarbon gas, comprises selectively opening and closing a valve to control the flow of hydrocarbon gas from a pressure vessel to a supply line for a hydrocarbon gas-fueled device, detecting any airborne hydrocarbon gas, attempting to move the valve from an open state to a closed state in response to detecting airborne hydrocarbon gas while the valve is in the open state, and releasing a liquid sealant to the supply line in response to detecting escaped gas after at least attempting to move the valve to the closed state.
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