Movable magnet type pump
US5472323A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1994 |
| Grant date | Dec 5, 1995 |
| Priority date | — |
| Expiry date | Jan 4, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B53/126
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A movable magnet type pump, wherein a magnet moving body having at least one axially magnetized permanent magnet and an axially extending through liquid passage is arranged so as to be slidable inside a liquid introducing chamber; a plurality of coils are fixed so as to enclose the liquid introducing chamber; a first check valve is arranged on a liquid introducing side of the liquid introducing chamber; a second check valve is arranged on a liquid discharge side of the through liquid passage; and the magnet moving body is caused to reciprocate by interaction between current applied to the respective coils and magnetic flux from the magnet moving body cutting across the respective coils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.