Rotary selector valve and associated systems and methods
AssigneeWaters Technologies Corporation
InventorsRobert A. Jencks, Mark W. Moeller
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Abstract
Exemplary embodiments are directed to a rotary selector valve that includes a valve body that includes a rotor and a stator. The stator includes a first port for flow of a first flow material and a second port for flow of a second flow material. The rotor includes a groove for flow of at least one of the first flow material and the second flow material. The rotor includes a vent groove disposed between the first port and the second port for venting at least a portion of at least one of the first flow material and the second flow material to an exterior of the valve body. Exemplary methods of operating a rotary selector valve and CO2-based chromatography flow systems including a rotary selector valve are also provided.
Claims11
A flow system, comprising:
- a first pressurized reservoir including a first flow material therein,
- a second pressurized reservoir including a second flow material therein, and
- a rotary selector valve fluidly connected to the first and second pressurized reservoirs,
- wherein the rotary selector valve includes a valve body that includes a rotor and a stator,
- wherein the stator includes a first port for flow of the first flow material and a second port for flow of the second flow material,
- wherein the rotor includes a groove for flow of at least one of the first flow material and the second flow material, and
- wherein the rotor includes a vent groove disposed between the first port and the second port and extending partially around a central axis without encircling the central axis, the vent groove configured to vent at least a portion of at least one of the first flow material and the second flow material to an exterior of the valve body.
Dependencies are inferred from the claim text.