Apparatus for charging a hermetically sealed electrical energy source
US3939391A · kind A · utility
13Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 1974 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Oct 31, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/90
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for charging an electrical energy source secured within a water-tight or hermetically sealed housing. The apparatus includes a transformer having a primary and secondary coil. The secondary coil is secured within the housing, whereby the housing need not be opened to effect charging of the electrical energy source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.