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US 10,517,313 B2Granted
Coffee roasting apparatus, coffee brewing apparatus and coffee roasting method
AssigneeKoninklijke Philips N.V.
InventorsJingwei Tan, Jun Zhou, Declan Patrick Kelly, Yanyan Wang
Life of this patent
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Abstract
A coffee roasting apparatus including a compartment for holding coffee beans; a roasting element for roasting the coffee beans in the compartment; and a controller for controlling the roasting element. The controller is configured to control the roasting element as a function of a rate of change in the volume of the coffee beans residing in the compartment.
Claims13
A coffee roasting apparatus comprising:
- a compartment for holding coffee beans;
- a roasting element for roasting the coffee beans in said compartment;
- and
- a controller configured to control the roasting element as a function of a change in a volume of the coffee beans residing in the compartment, wherein the controller is configured to control the roasting element in response to a monitored rate of change of the volume exceeding a predefined threshold, said predefined threshold indicating first cracking of said coffee beans.
1 more element
A method of roasting coffee beans, the method comprising:
- heating the coffee beans to roast the coffee beans;
- monitoring a rate of change of volume of the coffee beans during said heating;
- and
- terminating said heating in response to said volume change rate exceeding a defined threshold, said defined threshold indicating first cracking of said coffee beans.
1 more element
Dependencies are inferred from the claim text.