Liquid analyzing apparatus

Details Liquid analyzing apparatus Liquid analyzing apparatus

1995-12-28

1998-04-14

Rivell, John

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137551, 7386484, F16K 1704, G01N 2100

Patent

active

057381330

ABSTRACT:
In a liquid chromatographic analyzer apparatus, there is possibility that a flow cell is damaged when a flow passage is blocked and the inner pressure is increased. In order to prevent damage to the apparatus, liquid is prevented from leaking inside the apparatus. The liquid is discharged externally through a liquid discharging tube. A spring member is provided between the flow cell and the seal in a tube connecting portion to allow liquid to leak when the pressure is increased. Further, a light-proof tube for blocking light is connected to the flow cell to allow the leaked liquid to flow through the light-proof tube.

REFERENCES:
patent: 4002070 (1977-01-01), Howell
patent: 4206630 (1980-06-01), Powers
patent: 4791950 (1988-12-01), Pedersen
patent: 5265642 (1993-11-01), Buckminster et al.

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