Patent ID: 9346135
Filing Date: 2016-05-24
CPC Classification: B01D,B23P,F28D,Y10T

Claim Text:
1. A method for constructing a wickless heat pipe, comprising the steps of: providing a tube having an open end and an opposite closed end; filling the tube with a predetermined volume of working fluid; connecting a vapor trap to the open end of the tube; evacuating the tube by applying a vacuum to the open end of the tube for a predetermined period of time to remove non-condensable gases from the tube; then after filling the tube with a predetermined volume of working fluid; sealing the tube, weighing the tube after filling the tube with a predetermined volume of working fluid and before evacuating the tube; re-weighing the tube after evacuating the tube, and recording the mass of vaporized working fluid lost during evacuation of the tube.