Sample injection system

Details Sample injection system Sample injection system

1975-02-26

1977-01-11

Nilson, Robert G.

Measuring and testing

Measuring vessel

137565, 137605, G01N 114

Patent

active

040020703

ABSTRACT:
Disclosed herein is an apparatus for injecting a quantity of sample liquid into a continuously flowing carrier liquid comprising a housing, a primary channel, carrier inlet and outlet means both connected to the primary channel to form a carrier conduit through the housing, sample inlet and outlet channels both connected to the primary channel to form a sample conduit through the housing, a normally closed pressure relief valve disposed in the primary channel between the sample conduit and the carrier conduit, and means to change the pressure differential between the liquid flowing in the sample and carrier conduits.

REFERENCES:
patent: 2994224 (1961-08-01), Brown
patent: 3039141 (1962-06-01), Bauer
patent: 3186234 (1965-06-01), Solnick et al.
patent: 3754443 (1973-08-01), Harris
patent: 3940994 (1976-03-01), Klee et al.

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