Juraev R.U. and Raikhanov Sh.Z. 2023. EXPERIMENTAL INVESTIGATIONS OF A DEVICE FOR USEFUL HEAT UTILIZATION OF DRILLING EQUIPMENT INTERNAL COMBUSTION ENGINE. American Journal of Applied Science and Technology. 3, 08 (Aug. 2023), 38–47. DOI:https://doi.org/10.37547/ajast/Volume03Issue08-07.