Spherical reentrant chamber

Details Spherical reentrant chamber Spherical reentrant chamber

1978-12-11

1981-11-03

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Combustible mixture ionization, ozonation, or electrolysis

123193P, F02P 100

Patent

active

042979838

ABSTRACT:
A technique for improving in an internal combustion engine the coupling of microwave energy to the flame-front of a combusting air-fuel mixture plasma, by shaping the combustion chamber so that the latter accommodates the lowest order "spherical re-entrant" microwave mode (the TM.sub.010.sup.sr mode). Such a shape contributes to optimum coupling of microwave energy to the flame-front plasma, since this mode (a) minimizes the microwave frequency and hence the flame-front plasma Q and (b) minimizes the variation of Q with flame-front growth.

REFERENCES:
patent: 2402539 (1946-06-01), Eitel
patent: 2617841 (1952-11-01), Linder
patent: 2876270 (1959-03-01), Lutz

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