Portable environmental conditioning device with presence detector responsive shutoff
US6091888A · kind A · utility
26Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1997 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | Jan 6, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24H15/37
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An appliance includes a housing defining an air inlet and an air outlet facing opposite to the air inlet, an inlet detector for detecting objects in an inlet zone projecting away from the inlet and an outlet detector for detecting objects in an outlet zone projecting away from the outlet. Also included is a control for deactivating the appliance in response to detection of objects in either of the inlet or outlet zones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.