Patent ID: 8319176
Filing Date: 2012-11-27
Classification: H01J

Abstract:
1. An improved sample chamber for processing a sample in a fluid flow separate from room atmosphere, said sample chamber having a fluid inlet, and a fluid outlet, said improvements comprising: a sample drawer having an inlet slide and an outlet slide and operatively connected to the sample chamber so that said sample drawer has first, second and third positions with respect to the sample chamber; said inlet slide arranged to communicate with said fluid inlet and said fluid outlet, and operatively connected to said sample drawer so that, 1) when said sample drawer is set to said first sample drawer position said inlet slide directs said fluid flow from said fluid inlet to said fluid outlet, 2) when said sample drawer is set to said second sample drawer position said inlet slide directs said fluid flow from said fluid inlet to said sample drawer and, 3) when said sample drawer is set to said third position said inlet slide directs said fluid flow from said fluid inlet to said sample drawer; and an outlet slide arranged to communicate with said fluid outlet and said inlet slide and operatively connected to said sample drawer so that, 1) when said sample drawer is set to said first sample drawer position said outlet slide directs said fluid flow from said inlet slide to said fluid outlet, 2) when said sample drawer is set to said second sample drawer position said outlet slide closes said fluid outlet and, 3) when said sample drawer is set to said third position said outlet slide directs said fluid flow from said sample chamber to said fluid outlet.