Fuel shutoff system for a cooking appliance
AssigneeWhirlpool Corporation
InventorsDaniel Fernando de Borba, Santiago Ospina, Felipe Scremin
Life of this patent
Estimating the term…
Abstract
A cooking appliance includes a plurality of burners, a plurality of knobs, and a fuel shutoff system. The burners are disposed on a cooktop. Each knob is configured to open and close one of a plurality of supply valves to provide fuel to one of the burners. The fuel shutoff system is disposed below one of the knobs. The fuel shutoff system is configured to starve each supply valve and each burner of fuel when activated. The fuel shutoff system is configured facilitate delivery of fuel to each supply valve and each burner of fuel when deactivated.
Claims20
A cooking appliance comprising:
- a plurality of burners disposed on a cooktop;
- a plurality of knobs each configured to open and close one of a plurality of supply valves to provide fuel to one of the burners;
- and
- a fuel shutoff system disposed below one of the knobs and configured to (i) simultaneously starve each supply valve and each burner of fuel when activated and (ii) simultaneously facilitate delivery of fuel to each supply valve and each burner when deactivated.
A cooking appliance comprising:
- a plurality of burners;
- a plurality of supply valves each configured to supply fuel to one of the burners;
- a plurality of knobs each configured to open and close one of the supply valves to provide fuel to one of the burners;
- a main valve configured to (i) open to facilitate delivery of fuel to each supply valve and (ii) close to starve each supply valve of fuel;
- a switch configured to open and close;
- a dial disposed below a first of the knobs, wherein the dial is configured to transition between (i) a first position to engage and close the switch and (ii) a second position to disengage and open the switch;
- and
- a controller programmed to,
- in response to closing the switch via transitioning the dial to the first position, close the main valve, and
- in response to opening the switch via transitioning the dial to the second position, open the main valve.
A fuel shutoff system for a cooking appliance comprising:
- a shutoff valve configured to (i) open to facilitate delivery of fuel to a plurality of burners and (ii) close to starve each of the burners of fuel;
- a limit switch configured to (i) close the shutoff valve when activated and (ii) open the shutoff valve when deactivated;
- and
- a dial disposed below a control knob to one of the burners, wherein the dial is configured to transition between (i) a first position to engage and activate the limit switch and (ii) a second position to disengage and deactivate the limit switch.
Dependencies are inferred from the claim text.