Winged reentrant electromagnetic combustion chamber
US4561406A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 25, 1984 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | May 25, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An internal combustion engine combustion chamber suitable for electromagnetic stimulation of combustion which has been improved by the addition of combustion chamber periphery extensions (wings) filled with dielectric material. The wing dimensions and filler dielectric material are chosen to allow for specification of the chamber EM resonant frequency, preferably at a frequency in the UHF range (where low cost DC operated devices can be used) and at an industrial allocated frequency. The wing chamber EM resonant modes are further designed to place relatively high electrical currents at the wing tips (which are totally closed surfaces), and low EM currents at the piston-cylinder gaps, thus eliminating the need for EM chokes. The EM feature of the chamber is further improved by shaping the piston face and/or cylinder head face in conjunction with the wing design to further lower the EM operating frequency and improve frequency stability with respect to piston motion about TDC. EM resonsant modes with high EM currents at the center of the chamber are preferably excited, which further improves frequency stability and EM coupling to the flame front plasma, especially when used with cera…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.