Portable electric radiant fan heater utilizing ceramic panel shielded halogen lamp
US4835367A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 15, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | May 15, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24H3/0417
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A portable fan heater wherein the housing has a front opening in register with a ceramic panel which transmits infrared radiation. The panel is located in front of one or more halogen lamps, such as quartz lamps, whose radiation is directed toward the panel by a reflector having a concave side facing the lamp or lamps and having its center of curvature in or close to the panel. One lamp (or the single lamp) is located at the focal point of the reflector. The housing contains a rotary fan which is driven by an electric motor and serves to convey currents of air from several inlets in the rear wall of the housing toward and into the opening. The currents flow through constricted channels which are defined by the outer side of the reflector and the adjacent inwardly convexly curved walls of the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.