US 11,236,910 B2Granted

Cooking appliance

AssigneeLG Electronics Inc.

InventorsKookhaeng Lee, Jun Ho Seok, Daebong Yang

Life of this patent

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Abstract

A cooking appliance is provided. The cooking appliance may include an oven having a cooking chamber therein; a cooktop disposed at an upper portion of the oven and provided with at least one cooktop heating unit; an exhaust vent disposed at a rear of the cooktop; an exhaust duct that forms a passage that connects the cooking chamber and the exhaust vent; a space formed between the oven and the at least one cooktop heating unit; a cool air-exhaust duct that forms a passage that connects the space and the exhaust vent; and a guide duct that forms a passage diverged from the cool air-exhaust duct and extended toward a rear of the exhaust duct.

Claims10

Dependent claims

A cooking appliance, comprising:

an oven having a cooking chamber;
a cooktop disposed at an upper portion of the oven and provided with at least one cooktop heating unit;
an exhaust vent disposed at a rear of the cooktop;
an exhaust duct that forms a passage that connects the cooking chamber and the exhaust vent;
a space formed between the oven and the at least one cooktop heating unit;
a cool air-exhaust duct that forms a passage that connects the space and the exhaust vent;
and
a guide duct that forms a passage diverged from the cool air-exhaust duct and extended toward a rear of the exhaust duct, wherein the exhaust duct includes:
a first duct body that forms a passage that connects the cooking chamber and the exhaust vent;
a first inlet connected with the oven at a first end of the first duct body;
and
a first exhaust opening at a second end of the first duct body that opens toward the exhaust vent, wherein the cool air-exhaust duct includes:
a second duct body that forms a passage that connects the space and the exhaust vent;
a second inlet at a first end of the second duct body that opens toward the space;
a second exhaust opening that opens a second end of the second duct body toward the exhaust vent;
a diverging opening that forms a passage opening in the second duct body at a position different from the second inlet and the second exhaust opening;
and
a bypass member located inside of the second duct body and forming a passage that directs airflow introduced into the second duct body toward the diverging opening, wherein the second inlet and the second exhaust opening are respectively disposed at a lower portion and an upper portion of the second duct body, wherein the second duct body is disposed at a lateral portion of the first duct body, the diverging opening s disposed at a lateral portion of the second duct body that faces the first duct body, the bypass member forms a passage a lower portion of which is opened toward the second inlet and a lateral portion of which is opened toward the diverging opening.

15 more elements

A cooking appliance, comprising:

an oven having a cooking chamber;
a cooktop disposed at an upper portion of the oven and provided with at least one cooktop heating unit;
an exhaust vent disposed at a rear of the cooktop;
an exhaust duct that forms a passage that connects the cooking chamber and the exhaust vent;
a space formed between the oven and the at least one cooktop heating unit;
a cool air-exhaust duct that forms a passage that connects the space and the exhaust vent;
a guide duct that forms a passage diverged from the cool air-exhaust duct and extended toward a rear of the exhaust duct;
and
a cabinet connected to a rear of the oven and the cooktop and that forms a rear appearance of the cooking appliance provided at a rear of the exhaust duct and the guide duct, wherein the exhaust duct includes:
a first duct body that forms a passage that connects the cooking chamber and the exhaust vent;
a first inlet connected with the oven at a first end of the first duct body;
and
a first exhaust opening at a second end of the first duct body that opens toward the exhaust vent, wherein the cool air-exhaust duct includes:
a second duct body that forms a passage that connects the space and the exhaust vent;
a second inlet at a first end of the second duct body that opens toward the space;
a second exhaust opening that opens a second end of the second duct body toward the exhaust vent;
and
a diverging opening that forms a passage opening in the second duct body at a position different from the second inlet and the second exhaust opening, wherein the guide duct comprises:
a first duct that forms a passage that directs a flow of air discharged through the diverging opening toward the exhaust duct;
a second duct forms a passage that directs a flow of air flowing into the first duct toward first exhaust opening;
and
a third exhaust opening that opens toward the exhaust vent at a position adjacent to the first exhaust opening, wherein the second duct is provided at the rear of the exhaust duct such that the third exhaust opening is disposed between the first exhaust opening and the cabinet, wherein the exhaust duct includes:
a lower section disposed in the space and forming a passage connected with the cooking chamber inclined rearward and upward in the space;
and
an upper section that forms a passage that connects the lower section and the exhaust vent and that extends upward, wherein the second duct is disposed between the upper section and the cabinet.

22 more elements

A cooking appliance, comprising:

an oven having a cooking chamber;
a cooktop disposed at an upper portion of the oven and provided with at least one cooktop heating unit;
an exhaust vent disposed at a rear of the cooktop;
an exhaust duct that forms a passage that connects the cooking chamber and the exhaust vent;
a space formed between the oven and the at least one cooktop heating unit;
a cool air-exhaust duct that forms a passage that connects the space and the exhaust vent;
a guide duct that forms a passage diverged from the cool air-exhaust duct and extended toward a rear of the exhaust duct;
and
a cabinet connected to a rear of the oven and the cooktop and that forms a rear appearance of the cooking appliance provided at a rear of the exhaust duct and the guide duct, wherein the exhaust duct includes:
a first duct body that forms a passage that connects the cooking chamber and the exhaust vent;
a first inlet connected with the oven at a first end of the first duct body;
and
a first exhaust opening at a second end of the first duct body that opens toward the exhaust vent, wherein the cool air-exhaust duct includes:
a second duct body that forms a passage that connects the space and the exhaust vent;
a second inlet at a first end of the second duct body that opens toward the space;
a second exhaust opening that opens a second end of the second duct body toward the exhaust vent;
and
a diverging opening that forms a passage opening in the second duct body at a position different from the second inlet and the second exhaust opening, wherein the guide duct comprises:
a first duct that forms a passage that directs a flow of air discharged through the diverging opening toward the exhaust duct;
a second duct forms a passage that directs a flow of air flowing into the first duct toward first exhaust opening;
and a third exhaust opening that opens toward the exhaust vent at a position adjacent to the first exhaust opening, and wherein in the second duct, the third exhaust opening is disposed higher than the first exhaust opening.

18 more elements

Dependencies are inferred from the claim text.

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Abstract

A cooking appliance, comprising:

an oven having a cooking chamber;
a cooktop disposed at an upper portion of the oven and provided with at least one cooktop heating unit;
an exhaust vent disposed at a rear of the cooktop;
an exhaust duct that forms a passage that connects the cooking chamber and the exhaust vent;
a space formed between the oven and the at least one cooktop heating unit;
a cool air-exhaust duct that forms a passage that connects the space and the exhaust vent;
and
a guide duct that forms a passage diverged from the cool air-exhaust duct and extended toward a rear of the exhaust duct, wherein the exhaust duct includes:
a first duct body that forms a passage that connects the cooking chamber and the exhaust vent;
a first inlet connected with the oven at a first end of the first duct body;
and
a first exhaust opening at a second end of the first duct body that opens toward the exhaust vent, wherein the cool air-exhaust duct includes:
a second duct body that forms a passage that connects the space and the exhaust vent;
a second inlet at a first end of the second duct body that opens toward the space;
a second exhaust opening that opens a second end of the second duct body toward the exhaust vent;
a diverging opening that forms a passage opening in the second duct body at a position different from the second inlet and the second exhaust opening;
and
a bypass member located inside of the second duct body and forming a passage that directs airflow introduced into the second duct body toward the diverging opening, wherein the second inlet and the second exhaust opening are respectively disposed at a lower portion and an upper portion of the second duct body, wherein the second duct body is disposed at a lateral portion of the first duct body, the diverging opening s disposed at a lateral portion of the second duct body that faces the first duct body, the bypass member forms a passage a lower portion of which is opened toward the second inlet and a lateral portion of which is opened toward the diverging opening.

15 more elements