Electromagnetically-operated fixed displacement pump
US4272225A · kind A · utility
16Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1979 |
| Grant date | Jun 9, 1981 |
| Priority date | — |
| Expiry date | Mar 30, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16N2013/066
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an electromagnetically-operated fixed displacement pump, a lubricating oil storage tank and a communicating hole with one end opening upon the bottom of the tank are formed in a pump body, the other end of the hole in the pump body communicating with one end of another communicating hole extending through a movable armature in the axial direction thereof, the other end of the communicating hole in the armature opening into an electromagnetic gap between a fixed armature and the movable armature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.