Integral water fill system for humidifiers
US4127620A · kind A · utility
7Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1977 |
| Grant date | Nov 28, 1978 |
| Priority date | — |
| Expiry date | Jul 18, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F6/06
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
In a portable domestic air humidifier of the rotating drum type, the improvement wherein a fill funnel occupies a portion of the periphery of the drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.