Patent ID: 9541207
Date: 2017-01-10
CPC Classifications: F16K,G01N

Claim:
1. A rotor for a valve assembly comprising: a plurality of channels formed in a surface of the rotor, the surface configured to be adjacent to and interface with a stator having a plurality of ports, the plurality of ports including a first port configured to connect to a column, a second port configured to connect to at least one of an eluent or a diluent, a third port, a fourth port configured to connect to the column, a fifth port configured to connect to a buffer, and a sixth port configured to connect to waste, the plurality of channels fluidically connecting at least one of the first port, the second port, the third port, the fourth port, the fifth port, or the sixth port with at least one other of the first port, the second port, the third port, the fourth port, the fifth port, or the sixth port, and at least one channel that fluidically connects at least three of the plurality of ports; wherein the plurality of channels includes a first channel configured to connect the second port to the third port in a first flow configuration, and includes a second channel configured to connect the fourth port to the fifth port in a second flow configuration.