Priming and injection valve for analytical instruments

Details Priming and injection valve for analytical instruments Priming and injection valve for analytical instruments

1995-05-24

1997-04-01

Le, Long V.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 63, 422 70, 436174, 436180, 251352, 251339, 251304, G01N 3510

Patent

active

056163002

ABSTRACT:
A valve (10) is used to introduce fluid from a syringe (22) into the inlet (88) of the pump of an HPLC instrument (12). The valve includes a valve body (14) that is connected to the HPLC instrument for fluid flow communication with the instrument inlet. A valve rotor (16) is rotatably engaged with the valve body. A collar fitting (18) included on the valve rotor is connectable to the syringe. The syringe acts as a valve lever, and is displaceable to rotate the valve rotor about an axis of rotation (32) between an "off" position, in which fluid flow between the syringe and the HPLC instrument inlet is prevented, and an "on" position, in which fluid flow between the syringe and the HPLC instrument inlet is permitted. The valve enables one-handed priming operation.

REFERENCES:
patent: 359939 (1887-03-01), Palmer
patent: 397904 (1889-02-01), Folmer
patent: 1914736 (1933-06-01), Coutu
patent: 3186437 (1965-06-01), Buono
patent: 3599681 (1971-08-01), Hall
patent: 3630371 (1971-12-01), Hrdina
patent: 3926187 (1975-12-01), Iglesias
patent: 4168235 (1979-09-01), Guillemin et al.
patent: 4529167 (1985-07-01), Harrison et al.
patent: 4541452 (1985-09-01), Paradis
patent: 4662396 (1987-05-01), Avnon
patent: 4819684 (1989-04-01), Zaugg et al.
patent: 4994180 (1991-02-01), Sims et al.

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