Patent ID: 11064599

Abstract:
Herein disclosed in a vacuum oil purification system which includes a fresh oil vacuum chamber, an old oil vacuum chamber for degasifying and dehumidifying insulating oil, a vacuum pump for generating vacuum environment, an oil pump for circulating oil, an oil filter for removing particles from oil, a pressure vessel for generating and adjusting oil pressure, heaters, heat, pressure and vacuum sensors, an oil penetration tray, a control panel having all the control buttons, LEDs, and quick connects, a mobile platform to hold all components in place, and an oil pan to collect all oil drips. A control unit with an LCD supervises all the input signals from sensors and generates command signals. The fresh oil vacuum chamber is covered by a foam and foil wrap insulation for heat exchange separation. This insulation cover dampens sound and vibration as well. The chambers have oil drain valves at the bottom. Vacuum is generated by a vacuum pump and is controlled manually by a switch and a vacuum gauge for each chamber. The vacuum is also controlled by a vacuum sensor coupled with electronics and the control unit to toggle vacuum pump on and off automatically.The entire system including the electronics may be mounted on a four-wheel platform to facilitate transport to a job site for example a healthcare center. Apparatus for purifying the insulating oil while flushing includes a spin-on filter to clean insulating oil in the return line.