Abstract: A supply air terminal (10) is provided, comprising a wall member (11) surrounding an opening (110); a deflector (12) connected at a distance from the wall member to face the opening, thereby forming an annular aperture (13) between the wall member and the deflector; and a plurality of flaps (14) pivotably connected at a hinge (15) to the wall member to hang down in the annular aperture such that an open slit (16) is formed between an edge (142) of each flap and the deflector, wherein the slit has a width which is self-adjusted by means of the flaps pivoting under influence of the airflow through the terminal.

Abstract: In an example, the system has a mechanical isolator comprising an elastic material configured to separate the panel rail from the torque tube cause destructive interference with a natural resonant frequency of the system without the mechanical isolator to reduce a mechanical vibration of the system.

Abstract: A heating and hot water supply system, including: a combustion unit combusting a fuel to generate a combustion gas; a heat exchange unit heating a heat medium and hot water according to heat exchange with the combustion gas; an exhaust unit that exhausting the combustion gas after heat exchange. The heat exchange unit includes a plate type heat exchanger by laminating vertically-upright rectangular plates with gaps, and is configured to heat the heat medium by causing the combustion gas and the heat medium to alternately flow through the gaps. An inlet for the heat medium is provided at lower corner of the plate type heat exchanger, a discharge opening for the heat medium is provided at upper corner farthest from the inlet, and a hot water passage through which hot water flows in the plate type heat exchanger is provided at upper corner above the inlet.

Abstract: The present invention provides an oven slide rail handling mechanism with a locking function, comprising a connecting frame mounted on inner walls of both sides of an oven body, and a rail body, a lower rail of the rail body connects to a connecting component. The connecting component includes a guide snap and a front holder, the front holder and the guide snap are respectively mounted at two ends of bottom surface of the lower rail, the guide snap is provided with a snap-fitting position, and the front holder is provided with a latch rod. The mechanism is able to quickly assemble or disassemble the slide rail, is able to hold in multiple directions, and has locking function, preventing the slide rail from being disengaged from the connecting frame, improving the reliability of structural performance, ensuring the use effect of the slide rail and the use quality of an oven.

Abstract: An airflow device includes a cooling air passage structure formed external to and along a side of a server chassis, the cooling air passage structure extending in a depth direction of the server chassis from a front side of the server chassis. The airflow device further includes an airflow channel formed within the cooling air passage structure, the airflow channel extending in the depth direction, and a vent fluidically connecting the airflow channel with an interior of the server chassis at a vent location that is rearward in the depth direction relative to the front side.

Abstract: A dual fuel burner system includes a fuel burner housing and a main fuel supply conduit within the fuel burner housing. A main fuel nozzle is positioned proximate to a downstream end of the fuel burner housing and is in fluid communication with the main fuel supply conduit. The main fuel supply conduit is configured to provide 100% of the heat input requirement of the dual fuel burner system. A secondary fuel supply conduit is within the fuel burner housing. The secondary fuel supply conduit is configured to provide 100% of the heat input requirement of the dual fuel burner system. An air circuit is in fluid communication with an outlet of the main fuel nozzle. A direct spark ignitor is positioned proximate to the outlet of the main fuel nozzle.

Abstract: A precursor supply cabinet for accommodating one or more precursor containers having cabinet walls defining an inner cabinet space. The precursor supply cabinet includes a ventilation discharge connection arranged to discharge ventilation gas from the inner cabinet space, one or more ventilation inlet connections, two or more separate gas tight precursor supply chambers for accommodating precursor containers. The gas tight precursor supply chambers are arranged inside the inner cabinet space of the precursor supply cabinet such that the inner cabinet space of the precursor supply cabinet surrounding the separate gas tight precursor supply chambers is ventilated.

Abstract: A method and apparatus for protecting a furnace floor of a black liquor recovery boiler, where the furnace floor is covered by a protective layer, the protective layer being formed of a salt mixture including at least two different salts.

Abstract: A gas burner for a cooktop includes a spreader extending along a major axis to define an elongated shape. The spreader further defines an underside and includes a first projection and a second projection extending away from the underside. An orifice holder includes a body and a first lobe and a second lobe extending radially outward from the body. The first and second projections are opposingly adjacent to at least one of the first and second lobes. The orifice holder is mutually engageable with the spreader, with the first and second projections opposingly adjacent with at least one of the first and second lobes.

Abstract: A heating and hot water supply system includes: a combustion means; a heat exchanger; a heating terminal; a circulation passage that connects the heat exchanger and the heating terminal; a circulation means; a bypass passage branched from the circulation passage and bypassing the heating terminal; a distribution means for distributing a heating medium to the circulation passage and the bypass passage; a hot water supply heat exchanger for the bypass passage; and a hot water supply passage; wherein the distribution means can adjust the distribution ratio so as to correspond to a heating operation, a hot water supply operation, and a simultaneous heating and hot water supply operation, and when the distribution ratio on the circulation passage side of the distribution means is smaller than a prescribed value during the simultaneous heating and hot water supply operation, the blowing operation of the blower at the heating terminal is prohibited.

Abstract: A cargo transport heating system is utilized for a truck that includes a cargo containment and a combustion engine having a coolant inlet and a coolant outlet. The cargo transport heating system includes a heat exchanger, a coolant pump, and a combustion engine coolant having a low toxicity. The heat exchanger is disposed in the cargo containment, and is in fluid communication with the first coolant inlet. The coolant pump is in fluid communication with the coolant outlet and the heat exchanger, and pumps the combustion engine coolant through the first coolant inlet, the coolant outlet, and the heat exchanger.

Abstract: An apparatus and method that enables a single person to remove and replace a part, for example a burner housing, from an industrial piece of equipment such as oilfield equipment. A base of the apparatus attaches, either removeably or permanently, to a portion of the equipment such as an exhaust stack, that is above the part. The apparatus has a plurality of arms which swing out from the base, including a beam which is rotated to be aligned with the part. Straps attached to the beam are tightened around the part, and the arms are then extended to remove the part from the equipment.

Abstract: A gas-fired water heater including a water tank, a combustion chamber, a burner assembly disposed within the combustion chamber, a gas valve for controllably supplying gas to the burner assembly, a temperature sensor coupled to the combustion chamber, wherein the temperature sensor generating a signal related to the temperature of the combustion chamber, and a controller having an electronic processor and memory. The controller is configured to receive the signal at a first predetermined time and at a second predetermined time, calculate a change in temperature based on the signal received at the first predetermined time and the signal received at the second predetermined time, compare the change in temperature to a rate of change threshold to produce a first comparison, and shut the gas valve in response to the change in temperature being less than the rate of change threshold.

Abstract: A radiative cooling device, and a method of manufacturing the same, includes a reflective layer disposed on a substrate and responsible for reflecting sunlight having wavelengths corresponding to ultraviolet, visible, and near-infrared regions; and a radiative cooling layer disposed on the reflective layer and responsible for absorbing sunlight having a wavelength corresponding to a mid-infrared region and emitting the sunlight as heat, wherein the radiative cooling layer includes a first radiation layer including an uneven pattern; and a second radiation layer disposed on the first radiation layer and having a refractive index different from that of the first radiation layer.

Abstract: Techniques regarding a fan friction oven are provided. For example, one or more embodiments described herein can regard an apparatus comprising a processing chamber in fluid communication with a heating blower and a circulation blower. The heating blower can heat air adjacent to the processing chamber by fan friction. Also, the circulation blower can circulate the air heated by the heating blower into the processing chamber.

Abstract: An exhaust vent cap assembly can be installed in a roof deck of a building to allow a one-time connection of the insulated duct to the roof from exhaust fans within the building.

Abstract: A stacked oven may include a supporter installed between a first oven at a lower portion of the first oven and a second oven above the first oven and fixing the second oven at a position spaced apart upward from the first oven.

Abstract: A shell-and-tube heat exchanger comprises a shell enclosing a plurality of U-shaped tubes. Each tube is provided with a first portion and with a second portion. The open ends of each tube are connected to a tube-sheet. A pressure chamber is connected to the tube-sheet. The pressure chamber contains a guiding jacket that, at a first end thereof, is sealingly joined to the tube-sheet or the first tube portions and, at a second end thereof that is opposite to the first end, is open. The guiding jacket splits the pressure chamber into a first section and a second section. The first section and the second section are in communication with each other by means of the open end of the guiding jacket. The first section is provided with a liquid level, located below the open end, and therefore with a vapour chamber, located above the liquid level.

Abstract: Fire pit systems including a base pan member having a base pan member lower wall with a pan outer periphery, and one or more side walls extending upward from the base pan member lower wall and along the pan outer periphery; at least two rod members extending upward along opposite sides of the pan outer periphery; and one or more additional accessories that are attachable to and detachable from at least one of the at least two rod members, the one or more additional accessories comprising a griddle, a grill, a coffee pot, a Dutch oven, a tubular spacer, a pot holder, a horizontal bar extending between two rod members of the at least two rod members, a warming tray, or any combination thereof. Methods of making and using the fire pit systems.

Abstract: Disclosed herein is a portable roaster used when outdoor cooking or camping is enjoyed. The portable roaster with improved portability and handleability can be changed into a single briefcase form so that it is easy for the user to carry it, can accommodate a windshield, a vertical transfer part, a charcoal plate, and a grill inside the body of the portable roaster so that meat can be grilled and eaten by, e.g., a barbecue grilling method outdoors through easy assembly, it is convenient to store portable roaster in a vehicle or warehouse, and the handling of the portable roaster is very convenient, and allows a cover to be used as a substitute for a table so that the portable roaster is highly versatile.