Patent ID: 8113070

Claim:
A sight glass is in fluid communication with a source of natural gas and a removable sample container, the sight glass comprising: a body at least partially defining a chamber, the body having an inlet in fluid communication with the source of natural gas, an outlet in fluid communication with the removable sample container, and a drain; a first transparent window structure mounted in the body having an outside surface and an inside surface to allow an individual positioned outside the sight glass to view an interior of the chamber and the inside surface of the first transparent window structure; a second transparent member mounted to the body and positioned exterior of the first transparent window structure to shield the first transparent window structure; and a flow directing assembly in fluid communication with the inlet directing at least a portion of the flow of the natural gas to impinge against the inside surface of the first transparent window to allow an individual positioned outside the sight glass to better detect liquids in the natural gas.