Hot beverage machine with thick film electric heater

Details Hot beverage machine with thick film electric heater Hot beverage machine with thick film electric heater

1988-06-16

1989-12-19

Pellinen, A. D.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

99307, 219338, A47J 3100

Patent

active

048884650

ABSTRACT:
A coffee or tea making machine wherein the housing has a container for a supply of water and supports a holder for tea leaves or comminuted coffee beans. A conduit connects the outlet of the container with the holder, and a portion of such conduit is constituted by an electric heater which has one or more thick film conductors in series with an on-off switch and a relay which regulates the flow of current from an energy source to the thick film conductor or conductors. Such conductor or conductors can be applied directly to an insulating carrier which can be made of a ceramic or plastic material and defines a portion of the path for the flow of water from the container to the holder. Alternatively, the carrier can be made of a metallic material, such as aluminum, and then supports one or more insulating covers at least one of which carries a thick film conductor. The conductor or conductors are applied in the form of a paste which is caused to dry on the insulating carrier or on the cover or covers.

REFERENCES:
patent: 3916366 (1975-10-01), Jefferson
patent: 4546697 (1985-10-01), Schaeffer
patent: 4647900 (1987-03-01), Schelhorn et al.
patent: 4741259 (1988-05-01), Ogata et al.

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