Sample injection valve

Details Sample injection valve Sample injection valve

1978-08-23

1981-01-06

Cline, William R.

Fluid handling

Systems

Multi-way valve unit

73422GC, F16K 1102

Patent

active

042430712

ABSTRACT:
A sample injection valve using a member having four ports as a fluid system inlet, a sample injection inlet, a fluid system outlet, and a vent. The valve also uses a fluid sample reservoir and includes a controller for simultaneously connecting the fluid system inlet and outlet and interposing the fluid reservoir between the sample injection inlet and the vent. A switch changes the position of the fluid reservoir to one of interposition between the fluid system inlet and the fluid system outlet.

REFERENCES:
patent: 3045702 (1962-07-01), Nakata
patent: 3071005 (1963-01-01), Skidmore
patent: 3368385 (1968-02-01), Harvey, Jr.
patent: 3411525 (1968-11-01), Auger
patent: 3747630 (1973-07-01), Hurrell
patent: 3868970 (1975-03-01), Ayers et al.
patent: 4059009 (1977-11-01), Ball
patent: 4068528 (1978-01-01), Gundelfinger

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