Gas barbecue with flame timer for grilling food

Details Gas barbecue with flame timer for grilling food Gas barbecue with flame timer for grilling food

2000-08-31

2001-09-18

Simone, Timothy F. (Department: 1761)

Foods and beverages: apparatus

Cooking

Automatic control

C099S337000, C099S400000, C099S446000, C126S0250AA, C126S0390BA, C126S04100R

Reexamination Certificate

active

06289792

ABSTRACT:

The invention concerns a gas barbecue for grilling food provided with flame timer device.
As is known to grill food special cookers are used, that are commonly called barbecues, in various shapes and sizes and supplied by gas, electric current or charcoal.
With special regard to gas cookers or barbecues, these basically comprise an open topped, box-shaped container, fitted inside with a griddle that carries the food being cooked. Underneath the griddle there are one or more burners that are supplied by the household mains gas or by bottled liquid gas. When the barbecue is used for grilling meats, the fat that drips off the meat while cooking deposits on the griddle and on the bottom of the container and has to be removed when finished cooking.
To avoid having to carry out this unpleasant operation, when finished cooking the user often leaves the barbecue burning at its maximum flame for enough time to allow the heat produced without food to cook to carbonize the fat deposits, thereby making their removal in a charred form much easier. This practice is undoubtedly effective from a practical viewpoint, although it does have the inconvenience of damaging the barbecue, at times even irreparably, if an empty flame burns continuously for too long a time or if the user forgets it left burning.
In fact it is understandable that operating the barbecue while empty and at its maximum flame, especially if lasting for long periods, can lead to overheating and deformation of the actual barbecue.
This invention intends to overcome the aforementioned inconvenience. In particular a first scope of the invention is to produce a gas barbecue provided with a flame shutoff device after a pre-set period of time. Another scope is that the shutoff device allows to adjust the flame time at the user's discretion.
Said scopes are achieved by producing a gas barbecue for grilling foods that, in accordance with the main claim, comprises:
a box-shaped container fitted inside with a griddle that carries the food being cooked;
one or more burners placed underneath said griddle, each of which has a gas supply line.
a main pipeline which is connected to said supply lines for each burner, connected to a gas supply source and provided with a cut-off valve;
at least one ignition device for said one or more burners, and wherein the operation of said cut-off valve is connected to a timer suited to keeping it open for a pre-set time.
According to a preferred form of execution the timer that is implemented is of the type comprising a clockwork timer unit, which is mechanically linked to a mobile assembly that works on a pair of electric contacts to set them open or closed.
According to a preferred form of execution, the timer is electrically wired to the main cut-off valve and has its electric contacts wired in series to an electrical thermocouple circuit controlling the gas cut-off valve.
According to another form of execution the timer is mechanically linked to the cut-off valve with the open/close mobile assembly having contacts, mechanically linked to the plug of the cut-off valve.
An advantage of the barbecue invention is that it provides a higher degree of safety than equivalent barbecues since it has eliminated the chance of it being damaged by accidentally leaving an empty flame burning for long periods.


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