Microwave heating using independently controllable internal and external antennae
AssigneeMerrychef Limited
InventorNigel Thorneywork
Life of this patent
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Abstract
A microwave heating apparatus including a cavity for heating food, a first antenna, which projects into the cavity and is arranged to pass into or through the food in order to irradiate the food internally, and a second antenna arranged to supply microwave radiation into the cavity in order to irradiate the food externally. Microwave energy is supplied to the first and second antennae in such a way that the user can independently control the levels of microwave energy irradiated by the first and second antennae.
Claims13
A microwave heating apparatus comprising:
- a cavity for heating food;
- a first antenna, which projects into the cavity and is arranged to pass into or through said food, in use, in order to irradiate said food internally;
- a second antenna arranged to supply microwave radiation into said cavity in order to irradiate said food externally;
- at least one microwave source for supplying microwave energy to the first and second antennae;
- and
- control means for allowing a user to independently control the levels of microwave energy irradiated by the first and second antennae.
A microwave heating apparatus comprising:
- a cavity for heating food;
- a first antenna, which projects into the cavity and is arranged to pass into or through said food, in use, in order to irradiate said food internally;
- a second antenna arranged to supply microwave radiation into said cavity in order to irradiate said food externally;
- at least one microwave source for supplying microwave energy to the first and second antennae;
- and
- a controller for allowing a user to independently controls the levels of energy irradiated by the first and second antennae.
A method for heating food comprising:
- providing a microwave heating apparatus including a cavity for heating food, a first antenna, which projects into the cavity and is arranged to pass into or through said food, in use, in order to irradiate said food internally, a second antenna arranged to supply microwave radiation into said cavity in order to irradiate said food externally, at least one microwave source for supplying microwave energy to the first and second antennae, and a controller for allowing a user to independently controls the levels of energy irradiated by the first and second antennae;
- placing food within said cavity so that the first antenna passes into or through the food;
- and
- irradiating the food internally using the first antenna and externally using the second antenna.
Dependencies are inferred from the claim text.