|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F15C-001/04 F15C-001/00 F15C-001/08|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 7|
Methods and apparatus for reducing drag in fluid flow through pipes that utilizes microbubbles and acoustic energy are provided. A gas ejector for microbubble generation in a pipe is provided and includes a pipe comprising a wall having inner and outer diameters and at lease one orifice in the wall for ejecting gas microbubbles into the pipe. To cause the formation of the microbubbles, a flow restrictor is provided in the pipe, with the flow restrictor being spaced from the inner diameter of the pipe wall and positioned adjacent the at least one orific...
What is claimed is: 1. A gas ejector for microbubble generation in a pipe comprising, a pipe comprising a wall having inner and outer diameters, at least one orifice in said wall for ejecting gas microbubbles into said pipe, and a flow restrictor in said pipe, said flow restrictor being spaced from said inner diameter of said pipe wall and positioned adjacent said at least one orifice. 2. A gas ejector as claimed in claim 1 including a plurality of orifices in said pipe wall. 3. A gas ejector as claimed in claim 2 in which the diameter of said orifi...