Gas cooking appliance including at least one burner and an ignition device configured to ignite the burner. The ignition device includes a pulse generator configured to send at least one electric pulse for the purpose of generating a spark to ignite the burner. The cooking appliance also includes a flame detector configured to detect the presence/absence of a flame in the burner. The pulse generator is in electrical contact with a part of the burner and the flame detector is connected to ground. The cooking appliance further includes insulating means that insulates the burner with respect to ground, such that when the pulse generator sends at least one electric pulse, an electric spark capable of igniting the burner is generated between the burner and the flame detector.

The present disclosure relates to a control method of a gas furnace comprising a step for measuring an indoor temperature, a step for comparing the indoor temperature with a set temperature for heating, and a step for operating the gas furnace in weak heating with a predetermined heating capacity which is lower than a maximum heating capacity of the gas furnace, when the set temperature for heating is higher than the indoor temperature by a temperature value which is less than a predetermined temperature value, wherein the predetermined heating capacity for weak heating is maintained at a current heating capacity for weak heating, when the gas furnace operates in weak heating, and when an operating duration with the current heating capacity for weak heating is less than a first time value.

A thermoelectric assembly for powering one or more electromagnetic valves of a cooking appliance. According to one embodiment the assembly includes a main current circuit that includes a thermocouple, a cable configured for electrically connecting the thermocouple with an electromagnetic valve, and a transistor connected to the cable and configured for de-energizing the electromagnetic valve. The main current circuit also includes a connection module that includes a power supply connected to the transistor, the power supply having input terminals configured for being connected to an external energy source, a rectifier, and a resistive block connected between one of the input terminals and the rectifier, the resistive block being configured for minimizing the current circulating through the power supply to a value equivalent to the galvanic isolation.

A control assembly for controlling an HVAC unit, and method of controlling an HVAC unit, the HVAC unit having a burner assembly and at least one of a blower, an inducer fan, an air/fuel control system, the method including: measuring a temperature of the burner assembly; comparing the measured temperature of the burner assembly with a predetermined temperature based on firing rate; controlling the HVAC unit to cause the temperature of the burner assembly to come within predetermined limits; wherein the controlling step includes at least one of the steps of: initiating, terminating or modifying, the operation of one or more of the blower, the inducer fan, or modifying an air/fuel mixture of the air/fuel control system, reducing the temperature of the burner assembly to within predetermined limits.

A safety system for a gas apparatus (100) for heating water, the gas apparatus comprising a tank (1) for containing water and a first gas burner (2) for heating the water contained inside the tank (1). The safety system (200, 200′) comprises a first sensor (9) suitable for generating a first signal which represents a temperature of the water contained in the tank (1), a second sensor (10) suitable for generating a second signal which represents a temperature of the water contained in the tank (1), a supply circuit (11) for energizing a first actuator (4) of a first valve (3) which is arranged to allow to pass/intercept a flow of gas towards the first gas burner (2), the first actuator (4) being arranged to actuate so as to open and close the first valve (3) when it is energized and non-energized, respectively, a switch device (13) which is arranged in the supply circuit (11) in order to close/open the supply circuit (11) so as to energize/not to energize the first actuator (4), a digital processing unit (14) which is operatively connected to the first and/or second sensor (9, 10) and which is configured to compare a set-point value which represents a preselected temperature with the first or second signal and a control device (16) which is operatively connected to the switch device (13) and to the first and second sensors (9, 10). The control device (16) comprises an analogue comparator (17) which is operatively connected to the first and second sensors (9, 10) in order to compare the first signal with the second signal and the control device (16) is configured to generate a control signal (18) for controlling so as to open/close the switch device (13) on the basis of the comparison between the first and second signals carried out by the analogue comparator (17).

The invention relates to a device for the hot-dip galvanizing of components, comprising a galvanizing tank for holding the zinc melt in a tank interior formed by a wall of the galvanizing tank, according to the invention a monitoring apparatus being provided for monitoring the wall thickness of the wall of the galvanizing tank during the galvanizing operation. The invention further relates to a corresponding method for hot-dip galvanizing.

Techniques for controlling a solid fuel combustion appliance, e.g., a wood burning stove, are disclosed. A control system measures an exhaust gas temperature of airflow through an outlet of the solid fuel combustion appliance. The control system determines a derivative of the exhaust gas temperature with respect to time. The derivative of the exhaust gas temperature with respect to time is compared to a predetermined threshold. The control system modulates the inlet damper in response to determining that the derivative of the exhaust gas temperature with respect to time reaches the predetermined threshold.

A grilling device includes an auger feeder system, a heating element, a blower and a temperature control system. The temperature control system includes at least a first temperature sensor inside the firepot and a second temperature sensor inside a cooking chamber above the firepot. The heating element can also serve as the first temperature sensor. A method for controlling the temperature of the grill can include receiving temperature feedback information from one or more of the temperature sensors and adjusting power provided to the auger feeder system, heating element, and blower. The temperature control system produces cold smoke resulting from the combustion of lignin in solid wood fuel while minimizing temperatures inside the cooking chamber.

The embodiments described relate to an expeditionary solid waste disposal system configured to improve logistics and enable it to be readily deployed. The two-stage gasification/oxidation process takes place in a dual chambered device that resembles and functions as a shipping container. Incinerators or other waste conversion devices are commonly containerized by loading the equipment into a standard or modified shipping container. This apparatus is designed as a waste conversion unit that integrates all of the necessary features required to be an ISO-certified shipping container within its structural design such that the waste conversion system and shipping container are one and the same. With correct set-up by 2 persons aided by forklift the system can be configured and operational in a matter of hours.

The gas turbine with a plurality of combustors for igniting gas and method includes receiving first temperature measurements for a first plurality of probing points, each associated with one of the plurality of combustors. The method includes receiving second temperature measurements for a second plurality of probing points, each located downstream of the plurality of combustors. The method includes determining an association between the first plurality of probing points and the second plurality of probing points. The determining includes using the first and second temperature measurements and position information for the first and second plurality of probing points to determine swirl characteristics for the gas turbine. The swirl characteristics representing the angular shift between the ignited gas at the plurality of combustors and the ignited gas at the second plurality of probing points.