IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0055720
(1987-05-29)
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발명자
/ 주소 |
- Spencer R. Wilson (P.O. Box 22586 Houston TX 77227)
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인용정보 |
피인용 횟수 :
8 인용 특허 :
11 |
초록
▼
A sample extraction system is provided, comprising a block fitting including an inlet, an outlet, an interior passagway providing communication between the inlet and the outlet thereby allowing flow through the block fitting, a venturi section positioned in the interior passageway, a sample port, a
A sample extraction system is provided, comprising a block fitting including an inlet, an outlet, an interior passagway providing communication between the inlet and the outlet thereby allowing flow through the block fitting, a venturi section positioned in the interior passageway, a sample port, a sample passageway connecting the interior passageway and the sample port between the inlet and the venturi section, a re-entry port, and a re-entry passageway connecting the re-entry port and the venturi section; a loop entry line, connected on one end to a main flow line, and on the other end to the inlet of the block fitting; a loop exit line, connected on one end to the main flow line, and on the other end to the outlet of the block fitting; a sample container, having an inlet and an outlet; a sample inlet line, connected on one end to the sample port, and on the other end to the inlet of the sample container; at least one sample inlet valve, positioned in the sample inlet line; a sample exit line, connected on one end to the outlet of the sample container, and on the other end to the re-entry port; and at least one sample exit valve, positioned in the sample exit line.
대표청구항
▼
A sample extraction system, comprising: a. a pressure reducing means, for causing a pressure drop, said pressure reducing means having an inlet and an outlet; b. a loop entry line, connected at a first point to a main flow line, and on the other end to said inlet of said pressure reducing means; c.
A sample extraction system, comprising: a. a pressure reducing means, for causing a pressure drop, said pressure reducing means having an inlet and an outlet; b. a loop entry line, connected at a first point to a main flow line, and on the other end to said inlet of said pressure reducing means; c. a loop line, connected on one end to said main flow line, at a second point where pressure is less than that at said first point point where said loop entry line is connected to said main flow line, such that fluid will flow from said main flow line into said loop entry line, and on the other end to said outlet of said pressure reducing means; d. a sample container, having an inlet and an outlet; e. a sample inlet line, connected on one end to said loop entry line at a point upstream from said pressure reducing means, and on the other end to said inlet of said sample container; f. at least one sample inlet valve, positioned in said sample inlet line; g. a sample exit line, connected on one end to said outlet of said sample container, and on the other end to said pressure reducing means so as to fluidly communicate with the interior of said pressure reducing means at a point where pressure is reduced; h. at least one sample exit valve, positioned in said sample exit line, whereby fluid flow is induced through the loop entry line, pressure reducing means, loop exit line, sample inlet line, container, and sample exit line due to the pressure differential between the two points only.
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