Sampling system including a sample additive mixing feature
First Claim
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1. A sampling system comprising a sample source containing a measured sample, and further comprising:
- (a) a switched sample measuring container controllably switched so that said measured sample is obtained therein from said sample source;
(b) an additive measuring container having an input from a supply of a sample additive wherein said additive measuring container holds a measured size sample additive, (c) wherein said sample and sample additive are measured to a specified ratio and said ratio is dependent on the relative sizes of said measured sample and sample additive;
(d) a mixing chamber connected to said sample measuring container and said additive measuring container to receive said measured quantities;
(e) control valves connected to said sample measuring container and said additive measuring container to control transfer into said mixing chamber;
(f) an outlet connected to said mixing chamber for delivery after mixing of said sample and said additive; and
(g) wherein said sample measuring container comprises a measured sample loop having two ends and a calculated capacity, and said loop is connected to two ports of a multiport control valve.
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Abstract
The present disclosure sets out a sample measuring loop connected to a valve system. The valve system connects also to a sample additive loop. The valve system connects to a sample source and an additive source. They fill the loops. The valve system connects also to a wash fluid and gas source to clear the loops and valves to enable measured mixing and delivery to a sample analyzer.
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Citations
19 Claims
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1. A sampling system comprising a sample source containing a measured sample, and further comprising:
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(a) a switched sample measuring container controllably switched so that said measured sample is obtained therein from said sample source;
(b) an additive measuring container having an input from a supply of a sample additive wherein said additive measuring container holds a measured size sample additive, (c) wherein said sample and sample additive are measured to a specified ratio and said ratio is dependent on the relative sizes of said measured sample and sample additive;
(d) a mixing chamber connected to said sample measuring container and said additive measuring container to receive said measured quantities;
(e) control valves connected to said sample measuring container and said additive measuring container to control transfer into said mixing chamber;
(f) an outlet connected to said mixing chamber for delivery after mixing of said sample and said additive; and
(g) wherein said sample measuring container comprises a measured sample loop having two ends and a calculated capacity, and said loop is connected to two ports of a multiport control valve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of obtaining a sample comprising the steps of:
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(a) placing a measured sample in a sample measuring container of a first volume;
(b) placing a measured sample additive in an additive measuring container of a second volume;
(c) filling said sample measuring container with said measured sample and filling, said additive measuring container with said measured sample additive thereby forming a ratio of measured sample to measured sample additive defined by said first and said second volumes;
(d) sending the measured sample and the measured sample additive in said ratio to a mixing container; and
(e) mixing the sample and additive in the mixing container.
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Specification