Abstract: A system is described for controlling dust in a cabin, such as a cabin or cabinet in a piece of mobile plant equipment. The system includes an air circulation unit comprising an air flow passageway extending from a return air intake in communication with the cabin interior to one or more conduits in communication with the cabin interior and a circulation fan in communication with the air flow passageway, wherein the circulation fan can cause air from the cabin interior to pass through a filter and to be redelivered to the cabin interior. A control system is in communication with the air circulation unit. The control system includes a controller and a detector, wherein the controller receives a input signal from the detector related to a condition in the cabin and wherein the controller generates an output signal in response to the input signal, the output signal being delivered to the air circulation unit to control the operation thereof.

Abstract: There is disclosed a receiver panel. In an embodiment, the panel is configured to receive a curtain of particles in a solar central receiver system. A porous structure of the panel has a top end and a bottom end. The porous structure is disposed between the top end and the bottom end. The porous structure has a size to impede movement of the particles during downward travel from the top end to the bottom end. There is disclosed a solar central receiver system. In an embodiment, the receiver system includes a plurality of receiver panels, a tower supporting the plurality of receiver panels in a configuration to receive solar irradiation, and a hopper forming a slot configured to dispose the particles at a given location on to the porous structure. Other embodiments are also disclosed.

Abstract: An oxyhydrogen torch system includes a gas storage system having an oxygen gas storage container and a hydrogen gas storage container; a first gas line in communication with the oxygen gas storage container; a second gas line in communication with the hydrogen gas storage container; a nozzle connected to the first gas line and the second gas line via a first valve and a second valve, the first and second valves to control gaseous flow through the nozzle, the nozzle having a handle; a trigger extending from the handle and engaged with the first valve and the second valve, the trigger operates gaseous flow through the nozzle; and an ignition to provide heat to gaseous flow through the nozzle; the nozzle operates a torch created by the hydrogen gas and the oxygen gas.

Abstract: An aspect of some embodiments of the current invention relates to a device, that may ignite a substance without the user directly causing the ignition. for example, the device may perform ignition in a manner that does not transgress Jewish religious prohibitions, for example the Jewish religious law prohibits kindling a flame on the Sabbath and/or festivals. In some cases, kindling may be permitted in an indirect manner referred to in Jewish law by the Aramaic term “Grama”. For example, the device may be designed to ignite a cigarette. Optionally, the device may be designed to be carried safely in a pocket. In some embodiments, the device may initiate ignition without direct user action and/or the initial ignition may be used to ignite another object in accordance with Jewish law allowing transfer of fire but prohibiting starting of a new fire on a holiday.

Abstract: A system for controlling airflow from a galley compartment to a plenum chamber is disclosed. The system includes an actuating assembly. The actuating assembly includes a cylinder, a heat-expanding material disposed in the cylinder, and a piston disposed in the cylinder, wherein the heat-expanding material is configured to actuate the piston when the heat-expanding material is heated. The system includes a valve assembly. The valve assembly may include a louver assembly coupled to the actuating assembly. The louver assembly includes a louver frame, one or more louver blades and bracket and a connecting rod that couples the actuating assembly to the valve assembly. The valve assembly may also include a poppet valve. The poppet valve includes a poppet body element, a poppet stem coupled to the actuating assembly that is inserted into a channel within the poppet body element, and a poppet head coupled to the poppet stem.

Abstract: An apparatus and method for manufacturing a grilled seaweed includes the apparatus comprising a grilling unit having a first housing with a first inlet opening and a first outlet opening which communicate with each other; a first conveyor for transferring a sheet of seaweed from the first inlet opening to the first outlet opening; a first heating source installed over the first conveyor to discharge a flame onto a top surface of the seaweed being transferred by the first conveyor; and a second heating source installed on both sides of a lower portion of the first conveyor to apply a flame onto a bottom surface of the seaweed being transferred by the first conveyor.

Abstract: The disclosure provides an airflow regulation and control apparatus. A ventilation hole is formed in a windshield in a penetrating manner; a rectangular plate is mounted on the windshield; the rectangular plate is lifted by means of power provided by a lifting wing disposed thereon, and the height of the rectangular plate when moving upwards exceed the height of an upper edge of a main body portion of the windshield; when wind strength is low, the rectangular plate is located at a lower portion under the action of gravity and shields the ventilation hole; when the wind strength is increased, the lifting wing is blown by an airflow to generate upwards lifting force, and drives the rectangular plate to moved upwardly so as to shield an opening in an upper portion of the windshield and block the airflow.

Abstract: A vehicle-mounted temperature controller 100 provided with a compressor 2 having a compression part 2a compressing a refrigerant and a drive motor 2b driving the compression part 2a and using waste heat accompanying driving of the compression part 2a to make the temperature of the refrigerant rise, a blower 61 blowing air to a heater core 145 raised in temperature by receiving heat of the refrigerant and blowing air exchanged in heat with the heater core 145 to the inside of the passenger compartment, and an electronic control unit 51 controlling a current phase of the drive motor 2b to a phase by which a ratio of change of an output of the drive motor 2b to a change of the current phase becomes relatively larger to thereby drive the drive motor 2b by an inefficient drive operation when the blower 61 is in a nondriven state and controlling the current phase to a phase by which a ratio of change of an output of the drive motor 2b to a change of the current phase becomes relatively smaller to thereby drive the

Abstract: Several embodiments include a cooking instrument. The cooking instrument can include a heating system. The heating system can include one or more heating elements capable of emitting wireless energy into the cooking chamber. The cooking instrument can also include a control system. The control system can determine a heating sequence (e.g., logical instructions) to drive the heating system. The control system can then execute the heating sequence. The heating sequence can include an instruction to adjust, based on a trigger event detectable by the control system, the spectral power distribution of wireless waves emitted from a heating element in the heating system.

Abstract: The present disclosure relates generally to fume hoods, and more particularly to systems and methods for controlling a fume hood airflow using an image (e.g., an optical image, an acoustic image, etc.) of a fume hood opening. A system for controlling a fume hood may include an image capture sensor, a configurator and a controller. The image capture sensor may be positioned to have a field of view that includes at least a portion of a fume hood opening, and may be configured to capture an image that includes at least part of the fume hood opening and/or a person working at the hood. The controller may then provide a control signal to a ventilation device for providing a desired airflow in the fume hood. The control signal may depending on the current size of the fume hood opening as captured by the image capture sensor.

Abstract: A gas supply system for a flame module of a spectrometer and a method of controlling a flame module. The gas supply system comprises an oxidant gas supply line for providing a supply of oxidant gas, an oxidant gas flow valve for varying a gas flow rate of an oxidant gas in the oxidant gas supply line, an oxidant gas safety controller configured to control the oxidant gas flow valve, a fuel gas supply line for providing a supply of fuel gas, a fuel gas flow valve configured to control a gas flow rate of a fuel gas on the fuel gas supply line, and a fuel gas safety controller configured to control the fuel gas flow valve. During normal operation, the oxidant gas safety controller is configured to charge an energy storage circuit of the oxidant gas safety controller.

Abstract: An air conditioner that further provides a lighting function is provided. The air conditioner can increase space utilization of a ceiling by the lighting device being integrally installed in the indoor unit. In addition, heat generated at the lighting device can be radiated by the cooling structure provided in the indoor unit, and thereby overheating of the lighting device can be prevented. The air conditioner includes a blowing fan configured to flow air, a housing in which an intake port is formed to suction air by the blowing fan, a lighting device provided in the housing, and a cooling channel configured to guide the air suctioned by the blowing fan to pass the lighting device.

Abstract: A method and an apparatus for real-time analysis of the district heating network is disclosed. According to an embodiment of the present disclosure, a method for analyzing a district heating network including pipes and fluids inside the pipes includes receiving, by a processor, pipe data representing a structure of the pipes; receiving, by the processor, input data on at least one of the physical state of the district heating network and the flow of fluids; calculating, by the processor, data for at least one of the physical state of the district heating network or the flow of fluids using the pipe data and the input data.

Abstract: The disclosed technology includes a heat exchanger assembly having a plurality of heat exchanger tubes. Each heat exchanger tube can include a baffle. The baffle can include a first end and a second end, a length of the baffle being defined as a distance between the first end and the second end, a body having a first side and a second side, a hanging portion located proximate the second end, and a plurality of fins disposed along the body. The plurality of fins can extend outwardly from the body and upwardly towards the second end at an angle relative to a central axis of the body. The plurality of fins can include a first fin positioned proximate the first end and having a first angle and a second fin positioned proximate the second end and having a second angle, the first angle being less than the second angle.

Abstract: A wall exhaust vent (e.g., for a dryer or other HVAC system) can include a housing defining a vent opening, and one or more bumpers on or at least partially within the housing and configured contact a door of the wall exhaust vent in a closed position. The one or more bumpers can include a bumper body, and a magnet disposed at least partially within the bumper body that is configured to magnetically interact with the door of the wall exhaust vent to bias the door to the closed position.

Abstract: Techniques for utilizing excess heat generated by an oven to generate electricity are provided. In one example, an oven can comprise a coolant pathway positioned adjacent to a hollow space within the oven, wherein the hollow space can contain heat. The oven can also comprise a chamber in fluid communication with the coolant pathway. The oven can further comprise a turbine in fluid communication with the chamber and an outlet. Moreover, the oven can comprise a generator connected to the turbine, wherein rotation of the turbine can power the generator.

Abstract: Techniques for utilizing excess heat generated by an oven to generate electricity are provided. In one example, an oven can comprise a coolant pathway positioned adjacent to a hollow space within the oven, wherein the hollow space can contain heat. The oven can also comprise a chamber in fluid communication with the coolant pathway. The oven can further comprise a turbine in fluid communication with the chamber and an outlet. Moreover, the oven can comprise a generator connected to the turbine, wherein rotation of the turbine can power the generator.

Abstract: A heating and hot-water supply apparatus includes a combustion means, a heat exchanger, a circulation passage, a circulation means, a bypass passage, a distribution means, a hot-water supply heat exchanger, a water entry passage, a hot-water supply passage, and a control means. The circulation passage connects an external heating terminal and the heat exchanger. The water entry passage supplies water of an external hot-water supply pipe and an external water supply pipe to the hot-water supply heat exchanger. The control means controls the distribution means to be adaptable to each of a heating operation and a hot-water supply operation. The control means prioritizes the hot-water supply operation when there is a hot-water supply request for warm water use in addition to a heating request, and prioritizes the heating operation when there is a temperature-maintaining request for maintaining a temperature of the hot-water supply pipe in addition to the heating request.

Abstract: In one aspect, the present disclosure is directed to preventing or lessening ice in remote water tanks. The remote water tanks can include a body at least partially defining a chamber that receives a liquid and having an open top portion that provides one or more animals access to the liquid. Further, a heat exchanger can be at least partially received within the chamber, and can receive a thermal transfer fluid that is circulated therethrough to maintain a temperature of the liquid in the chamber. Also, an external heat collector can be in fluid communication with the heat exchanger to transfer solar or other heat to the thermal transfer fluid as the thermal transfer fluid is circulated therethrough.

Abstract: A baseboard radiator (10) for use in perimeter heating has a heating coil (11), a chassis (25) and a cover (23). The heating coil (11) has at least one fin (12), defining a front edge (13), a rear edge (14), an upper edge (15) and a lower edge (16) of the heating coil (11). The lower edge (16) has front (21) and rear (22) notches formed therein. The chassis (25) engages with the rear notch (22) and extends from the lower edge (16) over the rear edge (14) and the upper edge (15). The chassis (25) is further adapted for mounting the radiator (10) on a wall (28). The cover (23) engages with the front notch (21) and extends from the lower edge (16) over the front edge (13) and the upper edge (15) to engage between the chassis (25) and the wall (28).