Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using microwave energy
Patent
1995-07-06
1997-05-27
McMahon, Timothy
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using microwave energy
219747, A61L 212
Patent
active
056329555
ABSTRACT:
An apparatus uses microwave radiation to sterilize metal equipment including sharp edged metal equipment having small quantities of water or water containing organisms on the surface of the equipment. No source of bulk water is required to be heated during the sterilization process and no humid environment is required. The microwave radiation is emitted from locations at opposing ends of a wave guide so that the equipment is present at a nodal point of the near electric field component of the microwave radiation. This configuration reduces the electromagnetic field components that induce sparking and avoids the formation of large potential differences induced by the microwave field between the equipment and the microwave cavity walls. In addition the apparatus employs the electron cloud located in the near field of the magnetron to bombard the surface of the equipment.
The microwave radiation is generated by a magnetron unit providing about 300 watts without of power without any significant potential difference between the equipment to be sterilized and the magnetron.
REFERENCES:
patent: 3946187 (1976-03-01), MacMaster et al.
patent: 4621179 (1986-11-01), Kusunoki et al.
patent: 5552112 (1996-09-01), Schiffmann et al.
McMahon Timothy
Vibrenergy Ltd.
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