Patent ID: 9714926
Date: 2017-07-25
CPC Classifications: F24H,G01N,H05B

Claim:
1. An apparatus for heating a liquid in a liquid chromatography system, comprising: a heater block assembly including a heater block made of thermally conductive material, the heater block assembly having a tube inlet, a tube outlet, and a tube path between the tube inlet and the tube outlet; tubing extending through the tube path from the tube inlet to the tube outlet, the tubing being in thermal communication with the heater block; a heater cartridge in thermal communication with the heater block, the heater cartridge configured to provide heat to the heater block for transfer to liquid flowing through the tubing between the tube inlet and the tube outlet of the heater block assembly; a chromatography column disposed outside the heater block assembly and coupled to an end of the tubing nearest to the tube outlet of the heater block assembly; and circuitry in electrical communication with the heater cartridge to control a temperature of the heater block by controlling operation of the heater cartridge.