the embodiments depicted in fig1 10 omit adding tea leaves to brewing cup 5 fill water tank 1 with ready made hot tea coffee or cocoa and then cool and drink the beverage other embodiments strictly dedicated to non brewing travel mug service and based on the cooling model illustrated in fig1 could simply eliminate brewing cup 5 from the design and deploy cooling chamber 16 with pcm compartment 17 directly below the beverage tank and dosing valve in alternative embodiments an electrical heating element may be incorporated to heat water to brewing temperature in embodiments the pcb and other components may be located in a watertight band around the underside of the top of the device a heating element attached to the underside of the top of the device could project downward into water tank 1 in an embodiment the heating element may be structured and positioned so as to operate both as heating element and valve rod 4 in embodiments a heating element may be powered by connection to a car cigarette lighter socket wall outlet or internal battery buttons or other mechanisms for selecting the desired water temperature could also be deployed on the exterior of the device in a preferred embodiment all electrical components may be located on a single part e g the device top leaving all other parts of the electrical and non electrical versions of the device interchangeable such a configuration may increase efficiency and reduce manufacturing cost other electronic components may be incorporated for example an led display on the exterior of the device could signal water temperature and system status wireless connectivity such as wi fi or.