Apparatus for making pancakes, baking oven and method

By employing a non-planar back surface design and a non-linear induction heater profile in the induction heating pancake oven, the problem of uneven heating in traditional ovens is solved, improving thermal efficiency and product quality, and adapting to different operating modes and product variations.

CN122397770APending Publication Date: 2026-07-17
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Filing Date
2026-01-14
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing induction heating pancake ovens suffer from inefficiency and product quality fluctuations due to uneven heating during the baking process. In particular, the traditional flat back surface baking plate cannot effectively regulate heat distribution under different operating modes and product variations.

Method used

The non-planar baking plate back surface design, combined with the non-linear profile of the induction heater, ensures a constant gap between the baking plate and the heater. The heat distribution is optimized by reducing the thickness in the edge area to increase thermal reactivity and increasing the heat storage mass in the center area.

Benefits of technology

It improves the thermal efficiency of the induction heating oven, shortens the heat balance time, ensures uniform baking quality and production efficiency of pancakes, and adapts to different operating modes and product changes.

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    Figure CN122397770A_ABST
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Abstract

A method, a device and a baking oven for producing wafers in a heated overpressure baking mould (2) which is conveyed on a ring conveyor (20) through the baking oven, said device comprising a baking plate (3) having on one side thereof a baking surface (4) for delimiting one of the overpressure baking moulds and on the opposite side thereof a back surface (5), and an induction heater (6) with a heating module for heating the passing baking plate (3) through its back surface (5), wherein the back surface (5) of the baking plate (3) has a profile (8) which deviates from a plane, wherein the induction heater (6) has a profile (7) which is adapted to the back surface (5), follows the profile (8), in particular copies the profile, and wherein the profile (8) and the profile (7) are designed such that between the passing back surface (5) of the baking plate (3) and the induction heater (6) an inductor gap (10) with a constant gap distance (26) is maintained.
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