Patent ID: 8960320
Filing Date: 2015-02-24
Classification: A62C

Abstract:
1. A flame arrestor to receive and extinguish a flame originating from a combustible environment, comprising: a body having a passage to enable fluid communication between a first end of the passage and a second end of the passage, wherein the first end of the passage includes a shoulder; and a plug disposed within the passage to substantially fill a cross-sectional area of the passage, wherein a first end of the plug engages the shoulder, wherein the plug has a substantially constant diameter between the first end of the plug and a second end of the plug, the diameter of the plug being less than a diameter of the passage to provide a gap between an exterior surface of the plug and a wall of the passage to fluidly couple the first and the second ends of the passage, and wherein the plug includes at least one slot at the first end of the plug, wherein the slot is open to the first end of the plug and to the exterior surface of the plug and the slot is to direct fluid flow in the slot toward the wall of the passage and along the gap and the exterior surface of the plug toward the second end of the passage to extinguish a flame propagating between the second end of the passage and the first end of the passage.