VORTEX TUBE-BASED TEMPERATURE CONTROL FOR PROCESS CONTROL DEVICES Russian patent published in 2019 - IPC G05D23/19 

FIELD: machine building.

SUBSTANCE: device for controlling operating temperature comprises: housing; a process control device located in the housing; and vortex tube located in housing. Vortex tube has inlet for fluid medium, first and second outlets for fluid medium. Temperature of the first fluid portion in the first fluid outlet is greater than the temperature of the second portion of the fluid in the second fluid outlet port and the fluid temperature in the fluid inlet. First outlet hole for fluid medium is intended for release of the first part of fluid medium into the housing so that the vortex tube heats internal cavity of the case for control of working temperature of the technological process control device.

EFFECT: efficient maintenance of the working temperature constant of the process control device.

17 cl, 5 dwg