Patent ID: 8667855
Filing Date: 2014-03-11
Classification: G01N,H01J

Abstract:
1. An inlet assembly, comprising: a first pathway partially defined by a first conduit; a second pathway partially defined by one or more directional flow conduits that are coupled to a second and a third conduit; wherein the one or more directional flow conduits comprise a flow direction device comprising one or more flow regulators, a first directional flow conduit between the third conduit and the flow direction device, and a second directional flow conduit between the flow direction device and the second conduit, the flow regulators being capable of operating in a first position in which fluid circulates through the second pathway from the third conduit to the second conduit and back to the third conduit, and wherein the one or more flow regulators are configured to allow fluid communication between the first directional flow conduit and the second directional flow conduit when the one or more flow regulators are operating in the first position.