Microwave irradiation of a chamber with time-varying microwave frequency or multiple microwave frequencies
US10343134B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 12, 2016 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Jul 10, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2206/044
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A reaction chamber contains catalytic material(s). Tunable microwave source(s) each emit microwave radiation at corresponding time-varying microwave frequency(ies) or at simultaneous multiple different microwave frequencies. Microwave transmission element(s) irradiate the interior volume of the reaction chamber with the microwave radiation, emitted by the microwave source(s), that propagates along the transmission element(s) into the reaction chamber. The reaction chamber is characterized by a maximum temperature variation of a fixed-frequency, steady-state temperature spatial profile that results from irradiation of the reaction chamber by microwave radiation at a substantially fixed microwave frequency and at a reference microwave power level. Irradiation of the reaction chamber at the reference microwave power level by the microwave radiation with the time-varying microwave frequency(ies), or the simultaneous multiple different microwave frequencies, results in a multi-frequency temperature spatial profile having a maximum temperature variation less than the maximum temperature variation of the fixed-frequency, steady-state temperature spatial profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.