Electrical generator or motor structure – Non-dynamoelectric – Thermal or pyromagnetic
Patent
1980-07-17
1982-04-06
Duggan, Donovan F.
Electrical generator or motor structure
Non-dynamoelectric
Thermal or pyromagnetic
310 11, H01J 4500
Patent
active
043238084
ABSTRACT:
A laser excited thermionic electric converter is disclosed wherein an externally located heat source causes electrons to be boiled off an electron emissive surface interiorly positioned on one end wall of an evacuated cylindrical chamber. A grid having a small negative potential traps the electron flow and the mass of electrons is then exposed to a laser pulse discharge and at the same time the potential on the grid is removed to permit a bolus of electrons to flow therethrough. The electron bolus is electrically focused and accelerated through the interior of an air core induction coil located within a transverse magnetic field, and subsequently is collected on the other end wall of the chamber functioning as a collecting plate. The EMF generated in the induction coil by action of the transiting electron bolus interacting with the transverse magnetic field is applied to an external circuit to perform work.
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patent: 3467840 (1969-09-01), Weiner
patent: 3519854 (1970-07-01), Davis
patent: 3748505 (1973-07-01), Lavarini
patent: 3899696 (1975-08-01), Shimada
patent: 3975651 (1976-08-01), Griffiths
patent: 4134034 (1979-01-01), Davelai et al.
patent: 4275318 (1981-06-01), Duncan
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