WO2019219360A1

WO2019219360A1 - Cooker appliance comprising baking stone

Info

Publication number: WO2019219360A1
Application number: PCT/EP2019/060933
Authority: WO
Inventors: Burak COBAN; Unsal KAYA; Levent Akdag; Haluk Karatas; Yusuf Koc
Original assignee: Arcelik Anonim Sirketi
Priority date: 2018-05-18
Filing date: 2019-04-29
Publication date: 2019-11-21
Also published as: EP3794285A1; EP3794285B1; PL3794285T3

Abstract

The present invention relates to a cooker appliance (1) comprising a body (2), a cooking chamber (3) provided in the body (2), in which materials to be cooked are placed, a chassis (4) surrounding the cooking chamber (3), shaped as a box open on the front side, a heater (5) provided in the cooking chamber(3), enabling cooking food products, and a baking stone (6) made of refractory material, placed in the cooking chamber(3), having a support surface on which food products are placed. The cooker appliance (1) further comprises at least one heat sensor (7) provided on the cooking chamber (3), enabling detecting temperature of the baking stone (6), and a control unit (9) deciding dirtiness of the baking stone (6) by comparing the temperature variation information predefined thereon by the producer with the information received from the heat sensor (7).

Description

COOKER APPLIANCE COMPRISING BAKING STONE

The present invention relates to a cooker appliance comprising baking stone.

In ovens, the cooking process is performed by dissipating the heat generated by a heater into the cooker by means of a fan. The cooking process is performed by dissipating hot air inside the cooker. Therefore, food products are cooked by means of air without directly contacting a hot surface. This poses challenges in baking pastry products such as pizzas and the baking process takes a longer time. This causes the dough to not be baked as desired or to become hardened. Baking stones are used in the art for the baking process pastry products. The baking stones known in the art are generally made of refractory materials such as ceramic or stone materials which have high heat storage capacity and slowly releasing heat in time and thereby enabling directly heating the bottom of the pastry product which is in direct contact with a tray. However, frequently used baking stones become dirty over time. The baking process may not be performed with high efficiency due to dirt accumulation on their surface, leading to under- or over-baking of the food products. Baking stones require being regularly cleaned by users. However, regular cleaning of baking stones cause hardships in usage.

State of the art United States patent application no. US20140238250 discloses a baking stone which can be heated in microwave ovens.

The aim of the present invention is to realize a cooker appliance providing ease of use.

The cooker appliance realized to achieve the aim of the present invention and disclosed in the first claim and the dependent claims, comprises a body, a cooking chamber in which food products are cooked, a chassis surrounding the cooking chamber, a heater provided in the cooking chamber, enabling heating food products, and a baking stone made of refractory material, on which food products are cooked.

The cooker appliance of the invention comprises at least one heat sensor enabling detecting temperature of the baking stone. The control unit compares the temperature variation values predetermined and pre-saved to the control unit by the producer with the values received from the heat sensor. This enables determining dirtiness of the baking stone. The control unit determines dirtiness of the baking stone according to information read from the baking stone.

In an embodiment of the invention, the cooker appliance comprises a control unit determining that the baking stone is dirty if the temperature values received from the heat sensor are lower than the temperature values saved in the control unit. The heating duration of the baking stone extends as it becomes dirtier. Therefore, heat increases more slowly in a unit of time.

In an embodiment of the invention, the cooker appliance comprises at least one proximity sensor provided in the cooking chamber. The proximity sensor enables detecting the distance between the baking stone and the base of the cooking chamber. The control unit compares the distance information predetermined by the producer with the distance information received from the sensor, and determines that the baking stone is dirty by evaluating this information together with the temperature information.

In an embodiment of the invention, the cooker appliance comprises a control unit determining that the baking stone is dirty if the value determined by means of the proximity sensor is lower than the value saved in the control unit. The baking stone surface thickens due to dirt accumulation thereon. Therefore the distance between the cooking chamber and the baking stone decreases.

In an embodiment of the invention, the cooker appliance comprises a washing system provided on the chassis. The washing system enables conveying the water drawn from the mains on the baking stone. The cooking stone is thus cleaned. When dirtiness of the baking stone is detected, the control unit enables activation of the washing system or alerts the user.

In an embodiment of the invention, the cooker appliance comprises a washing system having a water inlet enabling the water drawn from the mains to be introduced to the cooking chamber and a detergent inlet enabling detergent to be introduced to the cooking chamber. A detergent storage is provided on the chassis. Detergent is filled into the detergent storage by the user. The detergent in the detergent storage is introduced to the cooking chamber through the detergent inlet. The baking stone is thus enabled to be cleaned.

In an embodiment of the invention, the cooker appliance comprises a control unit enabling during the washing process activating the heater when water is introduced to the cooking chamber. The dirt on the baking stone is thus more easily cleaned.

In an embodiment of the invention, the cooker appliance comprises a filter enabling cleaning the water used in the washing process. Water can be reused by being purged of dirt particles by means of the filter.

In an embodiment of the invention, the cooker appliance comprises an impeller enabling actuating water after water is introduced to the cooking chamber. The baking stone is thus cleaned more rapidly.

The cooker appliance realized to achieve the aims of the present invention is illustrated in the accompanying drawings, wherein:

Figure 1 is a perspective view of the cooker appliance.

Figure 2 is a perspective view of the cooker appliance and the heater.

Figure 3 is a schematic view of the cooker appliance and the washing system.

The elements in the figures are numbered individually and the correspondence of these numbers are given hereinafter.

Cooker appliance
Body
Cooking chamber
Chassis
Heater
Baking stone
Heat sensor
Proximity sensor
Control unit
Washing system
Water inlet
Detergent storage
Detergent inlet
Filter
Impeller

The cooker appliance (1) comprises a body (2), a cooking chamber (3) provided in the body (2), in which materials to be cooked are placed, a chassis (4) surrounding the cooking chamber (3), shaped as a box open on the front side, a heater (5) provided in the cooking chamber(3), enabling cooking food products, and a baking stone (6) made of refractory material, placed in the cooking chamber(3), having a support surface on which food products are placed. Pastry products such as pizzas are enabled to be baked at a desired level by means of the baking stone (6). The food product is baked with the heat of the baking stone (6) by directly contacting the baking stone.

The cooker appliance (1) of the invention comprises at least one heat sensor (7) provided on the cooking chamber (3), enabling detecting temperature of the baking stone (6), and a control unit (9) deciding dirtiness of the baking stone (6) by comparing the temperature variation information predefined thereon by the producer with the information received from the heat sensor (7). Regular cleaning of the baking stone (6) enhances cooking performance. The control unit (9) enables determining dirtiness of the baking stone (6).

In an embodiment of the invention, the cooker appliance (1) comprises a control unit (9) deciding that the baking stone (6) is dirty if the temperature values received from the heat sensor (7) are lower than the temperature values pre-saved by the producer. Heat increase becomes more slowly as dirt accumulates on the baking stone (6). The control unit (9) determines the baking stone (6) as dirty if the temperature value received from the heat sensor (7) is lower than the temperature value defined in the control unit (9). The temperature value may be measured from separate regions of the baking stone (6). An average of the measured temperature values may be calculated, as well as the highest temperature may be taken into consideration.

In an embodiment of the invention, the cooker appliance (1) comprises at least one proximity sensor (8) provided on the cooking chamber (3), enabling detecting the distance between the baking stone (6) and the base of the cooking chamber (3), and a control unit (9) deciding dirtiness of the baking stone (6) by comparing the information of distance to the baking stone (6) predefined thereon by the producer with the information received from the proximity sensor (8). The proximity sensor (8) enables detecting the dirt accumulated on the baking stone (6) surface. Dirtiness of the baking stone (6) is determined by comparing the distance value predefined on the control unit (9) with the information received from the proximity sensor (8).

In an embodiment of the invention, the cooker appliance (1) comprises a control unit (9) deciding that the baking stone (6) is dirty if the distance value received from the proximity sensor (8) is lower than the distance value pre-saved by the producer. The distance between the baking stone (6) and the cooking chamber (3) decreases due to the dirt accumulating on the baking stone (6) surface. The control unit (9) determines the baking stone (6) as dirty if the value measured by the proximity sensor (8) is lower than the distance value defined in the control unit (9).

In an embodiment of the invention, the cooker appliance (1) comprises a washing system (10) provided on the chassis (4), enabling transmitting the water received from the mains on the baking stone (6), and a control unit (9) enabling activating the washing system (10) or alerting the user upon detecting dirtiness of the baking stone (6). The washing system (10) enables the baking stone (6) to be washed automatically. Ease of use is thus provided.

In an embodiment of the invention, the cooker appliance (1) comprises a washing system (10) having a water inlet (11) enabling water drawn from the mains to be introduced to the cooking chamber (3), a detergent storage (12) provided on the chassis (4), which can be filled with detergent by the user, and a detergent inlet (13) enabling the detergent in the detergent storage (12) to be introduced to the cooking chamber (3). The washing system (10) enables the baking stone (6) to be automatically cleaned with detergent and water.

In an embodiment of the invention, the cooker appliance (1) comprises a control unit (9) enabling during the washing process activating the heater (5) after introduction of water to the cooking chamber (3). Dirt is enabled to be dissolved more easily when the heater (5) operates. Duration of the washing process is thus shortened.

In an embodiment of the invention, the cooker appliance (1) comprises a filter (14) provided on the chassis (4), enabling the water used in the washing process to be purged from dirt particles. Dirt particles in water are sifted by means of the filter (14). This enables water to be reused.

In an embodiment of the invention, the cooker appliance (1) comprises an impeller (15) shortening cleaning duration by enabling actuating water after introduction of water to the cooking chamber (3). The duration of the washing process is shortened by agitating water by means of the impeller (15).

The invention enables realizing a cooker appliance (1) comprising a baking stone (6) whose dirtiness can be detected and which can be cleaned automatically. Dirtiness of the baking stone (6) is detected by the control unit (9) by means of information received from the sensors provided in the cooking chamber (3). Thus, the user is alerted or the automatically washing system (10) is activated.

Claims

A cooker appliance (1) comprising a body (2), a cooking chamber (3) provided in the body (2), in which materials to be cooked are placed, a chassis (4) surrounding the cooking chamber (3), shaped as a box open on the front side, a heater (5) provided in the cooking chamber(3), enabling cooking food products, and a baking stone (6) made of refractory material, placed in the cooking chamber(3), having a support surface on which food products are placed, characterized by at least one heat sensor (7) provided on the cooking chamber (3), enabling detecting temperature of the baking stone (6), and by a control unit (9) deciding dirtiness of the baking stone (6) by comparing the temperature variation information predefined thereon by the producer with the information received from the heat sensor (7).
A cooker appliance (1) according to claim 1, characterized by the control unit (9) deciding that the baking stone (6) is dirty if the temperature values received from the heat sensor (7) are lower than the temperature values pre-saved by the producer.
A cooker appliance (1) according to claim 1 or claim 2, characterized by at least one proximity sensor (8) provided on the cooking chamber (3), enabling detecting the distance between the baking stone (6) and the base of the cooking chamber (3), and by the control unit (9) deciding together with the heat information dirtiness of the baking stone (6) by comparing the information of distance to the baking stone (6) predefined thereon by the producer with the information received from the proximity sensor (8).
A cooker appliance (1) according to claim 3, characterized by the control unit (9) deciding that the baking stone (6) is dirty if the distance value received from the proximity sensor (8) is lower than the distance value pre-saved by the producer.
A cooker appliance (1) according to any one of the preceding claims, characterized by a washing system (10) provided on the chassis (4), enabling transmitting the water received from the mains on the baking stone (6), and by the control unit (9) enabling activating the washing system (10) or alerting the user upon detecting dirtiness of the baking stone (6).
A cooker appliance (1) according to any one of the preceding claims, characterized by the washing system (10) having a water inlet (11) enabling water drawn from the mains to be introduced to the cooking chamber (3), a detergent storage (12) provided on the chassis (4), which can be filled with detergent by the user, and a detergent inlet (13) enabling the detergent in the detergent storage (12) to be introduced to the cooking chamber (3).
A cooker appliance (1) according to any one of the preceding claims, characterized by the control unit (9) enabling during the washing process activating the heater (5) after introduction of water to the cooking chamber (3).
A cooker appliance (1) according to any one of the preceding claims, characterized by a filter (14) provided on the chassis (4), enabling the water used in the washing process to be purged from dirt particles.
A cooker appliance (1) according to any one of the preceding claims, characterized by an impeller (15) shortening cleaning duration by enabling actuating water after introduction of water to the cooking chamber (3).