Segmented online sampling apparatus and method of use
First Claim
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1. A sampling system comprising:
- a sample withdrawal system operative to withdraw a sample from a source at a sample withdrawal flow rate;
a sample collector system operative to receive the sample;
a sample delivery system operative to deliver the sample from the sample withdrawal system to the sample collector system at a sample delivery flow rate that is faster than the sample withdrawal flow rate; and
wherein the sample withdrawal system comprises a sample intake port through which the sample is drawn from the source and an air intake port through which air is drawn, wherein the air intake port introduces air at a downstream end of the sample, and wherein the sample and air are delivered by the sample delivery system to the sample collector system at the sample delivery flow rate that is faster than the sample withdrawal flow rate, wherein the sample delivery system includes a pump that operates at a first speed to draw the sample from the source at the sample withdrawal flow rate, and that operates at a second speed to expedite delivery of the sample to the sample collector system at the sample delivery flow rate.
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Abstract
A segmented sampling apparatus is designed to extract a sample from a source and deliver the sample to a collector for storage or analysis. The sample is extracted from the source at a sample withdrawal or extraction rate but is delivered to the collector at a faster rate. Air is injected into or drawn into the apparatus which allows for an expedited sample delivery rate.
29 Citations
6 Claims
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1. A sampling system comprising:
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a sample withdrawal system operative to withdraw a sample from a source at a sample withdrawal flow rate; a sample collector system operative to receive the sample; a sample delivery system operative to deliver the sample from the sample withdrawal system to the sample collector system at a sample delivery flow rate that is faster than the sample withdrawal flow rate; and wherein the sample withdrawal system comprises a sample intake port through which the sample is drawn from the source and an air intake port through which air is drawn, wherein the air intake port introduces air at a downstream end of the sample, and wherein the sample and air are delivered by the sample delivery system to the sample collector system at the sample delivery flow rate that is faster than the sample withdrawal flow rate, wherein the sample delivery system includes a pump that operates at a first speed to draw the sample from the source at the sample withdrawal flow rate, and that operates at a second speed to expedite delivery of the sample to the sample collector system at the sample delivery flow rate. - View Dependent Claims (2, 3, 4, 5)
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6. A sampling system comprising:
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a sample withdrawal system having a sample intake port through which a sample is drawn from a source at a sample withdrawal flow rate and an air intake port through which air is drawn and added to the sample, wherein the air intake port introduces air at a downstream end of the sample; a sample collector system operative to receive the sample; a sample delivery system having a single pump that is operative to draw the sample and air from the sample withdrawal system and deliver the sample and air from the sample withdrawal system to the sample collector system at a sample delivery flow rate that is faster than the sample withdrawal flow rate, wherein the pump operates at a first speed to draw the sample from the source at the sample withdrawal flow rate, and that operates at a second speed to expedite delivery of the sample to the sample collector system at the sample delivery flow rate.
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Specification