| 摘要 |
PROBLEM TO BE SOLVED: To improve performance in a highly airtight noncontact state, and to promote industry by the world strongest (Only One) commodity by simplification and mass production by making a progressive and innovative pump appear in the pump world of the longest history being an industrial heart, and desirably providing an energy-saving and economically effective pump at the present day while being very bad efficiency and durable consumer goods even in various and flooding kinds. SOLUTION: A principle is the oldest, and the technology is learned a great deal from forerunners. However, noreasonably selected and nobody unnoticed and overlooked truth can be found to provide the simple constitution hardly necessary to explain now. There is only a rotor having no blade, vane, spring and seal.
|
