Abstract: A venturi nozzle for a gas combustor includes an orificed gas nozzle, a venturi tube and one or more support members. The orificed gas nozzle has a longitudinal axis, an inlet and an outlet. The venturi tube is aligned with the longitudinal axis and has an entrance proximate to the outlet of the orificed gas nozzle and an exit. The support member(s) are attached between the orificed gas nozzle and the venturi tube to create a gap between the venturi tube and the orificed gas nozzle. In some embodiments, two or more venturi nozzles can be combined together in various configurations into a nozzle assembly or multi-nozzle gas combustor and attached, mounted or disposed within a stack, chimney or vented enclosure. The wall(s) of the stack, chimney or vented enclosure may include one or more openings, cut outs or vents to provide primary and secondary air to the venturi nozzles.

Abstract: Sorbent components containing halogen, calcium, alumina, and silica are used in combination during coal combustion to produce environmental benefits. Sorbents such as calcium bromide are added to the coal ahead of combustion and other components are added into the flame or downstream of the flame, preferably at minimum temperatures to assure complete formation of the refractory structures that result in various advantages of the methods. When used together, the components reduce emissions of elemental and oxidized mercury; increase the level of Hg, As, Pb, and/or Cl in the coal ash; decrease the levels of leachable heavy metals (such as Hg) in the ash, preferably to levels below the detectable limits; and make a highly cementitious ash product.

Abstract: An energy-saving dust collector includes a dust collection device (8) connected to a flue (1) and a fume afterheat recycling device (2) installed in the flue in the front of the dust collection device. The fume afterheat recycling device includes a heat exchanger. The heat exchanger includes a heat suction section (7) and a heat radiating section (3) connected with the heat suction section. The heat suction section is installed at a smoke inlet of the dust collection device, and the radiating section is connected with a condensation water tube. The energy-saving dust collector can reduce temperature of the smoke, improve dust collection efficiency, prevent the collector from corrosion of acid dew and prolong the service life of the collector.

Abstract: A combustion system for a gas turbine engine including a combustor assembly comprising a combustor basket having a downstream terminal end, and a transition duct extending downstream from the combustor basket and having an upstream end located adjacent to the downstream terminal end of the combustor basket. A coupling is provided comprising an inlet ring adapter including a cylindrical sleeve extending downstream of the upstream end of the transition duct in overlapping relation to an inner surface of the transition duct. A spring clip assembly is mounted to the terminal end of the combustor basket. The spring clip assembly extends into engagement with and forms a seal on the cylindrical sleeve.

Abstract: A combustor module for a gas turbine engine is provided that includes a first annular liner assembly extending along a longitudinal axis of the engine. The first annular liner assembly includes a first annular support shell and a plurality of first heat shield panels coupled to the first annular support shell. The first heat shield panels form a segmented ring defining a plurality of first axial seams therebetween. The combustor module further includes a bulkhead coupled to the first annular liner assembly. The bulkhead provides a plurality of fuel nozzles for passing a first mass flow comprising fuel and air. The combustor module further includes a second annular liner assembly coupled to the bulkhead. The second annular liner assembly is in spaced-apart generally coaxial relationship from the first annular liner assembly by a channel height H. The second annular liner assembly includes an air admittance hole having a mean diameter D extending along a hole axis.

Abstract: A gas turbine engine component includes a wall having first and second wall surfaces and a cooling hole extending through the wall. The cooling hole includes an inlet located at the first wall surface, an outlet located at the second wall surface, a metering section extending downstream from the inlet, a first diffusing section extending downstream from the metering section, and a second diffusing section extending downstream from the first diffusing section to the outlet. The second diffusing section includes first and second lobes, each lobe diverging longitudinally and laterally relative to the metering section, and a trailing edge.

Abstract: A combustor for a gas turbine engine comprises an inner annular liner wall and an outer annular liner wall cooperating to form a combustion chamber of the combustor. A first dome wall has a circumferential array of first fuel injection bores. A second dome has a circumferential array of second fuel injection bores. An intermediate wall extends between the first dome wall and the second dome wall. A first combustion stage is defined by the inner liner wall forward end, the first dome wall and the intermediate wall. A second combustion stage is defined at least by the outer liner wall forward end, the second dome wall and the intermediate wall, the first combustion stage communicating with the first fuel injection bores, the second combustion stage communicating with the second fuel injection bores.

Abstract: A micromixer assembly for a turbine system includes a plurality of pipes each having an inlet for receiving an airflow from an annulus defined by an inwardly disposed liner and an outwardly disposed sleeve, each of the plurality of pipes also including an outlet for dispersing an air-fuel mixture into a combustor chamber. Also included is a first portion of each of the plurality of pipes. Further included is a second portion of each of the plurality of pipes, the second portion comprising the inlet for receiving the airflow. Yet further included is at least one fuel receiving path in communication with at least one of the first portion and the second portion.

Abstract: The present application provides a combustor. The combustor may include an air flow path with a flow of air therein. A flow obstruction may be positioned within the air flow path and cause a wake or a recirculation zone downstream thereof. A number of fuel injectors may be positioned downstream of the flow obstruction. The fuel injectors may inject a flow of fuel into the air flow path such that the flows of fuel and air in the wake or the recirculation zone do not exceed a flammability limit.

Abstract: The present application and the resultant patent provide a dual fuel combustor for a gas turbine engine. The combustor may include a primary premixer positioned within a head end plenum of the combustor, and a dual fuel injection system positioned within the head end plenum and upstream of the premixer. The injection system may be configured to inject a gas fuel about an inlet end of the premixer when the combustor operates on the gas fuel. The injection system also may be configured to vaporize and inject a liquid fuel about the inlet end of the premixer when the combustor operates on the liquid fuel. The present application and the resultant patent also provide a related method of operating a dual fuel combustor.

Abstract: An asador tool is provided having an ember scraper, a top front push fork, and two legs mounted on an elongated shaft with a tip point. Each leg has a rear pull point and a bottom front push point. The tip point is designed to penetrate and break up burning wood. The ember scraper having a plurality of scraper points forming a top saw tooth edge is designed to scrape hot embers from the surface of burning wood to expose the fire to new fuel. The top front push fork with a plurality of top front push points is mounted on a shaft top surface, and the two legs are mounted on a shaft bottom surface. The rear pull points and the push points are designed to pull and push, respectively, burning wood to create airflow and position the wood exactly where the Asador desires.

Abstract: A heater can be configured to operate with either a first fuel at a first pressure or a second fuel at a second pressure. In some embodiments, a pressure regulator unit is configured to regulate the pressure of either the first fuel or the second fuel and to direct either the first fuel or the second fuel towards a combustion chamber. A nozzle assembly can be configured to inject the fuel into the combustion chamber.

Abstract: A burner assembly for a cooking appliance is provided. The burner assembly includes a first port to which a gas mixture of gas and air is supplied and a second port which is separate from the first port and to which a gas mixture of gas and air is supplied, a combustion mat at which the gas mixture supplied to the first port or the second port is burned, and a tube assembly that guides the gas and air to the first and second ports.

Abstract: An underlayment system is provided that includes a plurality of bosses that emanate form a common base member. The bosses and bases preferably include an opening therethrough that will allow for subsequent layers of adhesive to interact and bond to each other. The bosses are also spaced in such a way to help secure a wire snugly therebetween.

Abstract: An economically operated, dual-energy hot water supply system. The system includes a first heat source of a first type and a second heat source of a second type different than the first type. The system also includes a controller. The controller determines a first energy consumption of the first heat source to generate a unit heat, determines a second energy consumption of the second heat source to generate the unit heat, compares a first power cost of the first heat source with a second power cost of the second heat source, the first power cost being based on the first energy consumption and the first price, the second power cost being based on the second energy consumption and the second price.

Abstract: A dual functionality temperature control measurement and low water cutoff measurement system is taught within a single tapping to a boiler. This dual functionality combines a low water cutoff and temperature sensor into one control utilizing a sensing element suitable for use in a single existing tapping for a boiler. Independent of low water functionality, the temperature sensor is also capable of monitoring temperature as a replacement probe in an existing temperature sensor-only well. A conductive member provides a compression fit inside the probe well for thermistors, while simultaneously providing conduction with the well interior for a low water cutoff signal in a two-conductor well.

Abstract: An outdoor unit for an air conditioner is disclosed, the outdoor unit characterized by: a case (100) formed with an air suction port (110) sucking air from outside and an air discharge port (120) discharging the sucked air; a first blowing fan (200) formed inside the case (100) for discharging the air sucked from the air suction port (110) to the air discharge port (120); and a second blowing fan (300) formed inside the case (100) and positioned on the same axis of the first blowing fan (200) for rotating in an opposite direction of the first blowing fan (200), such that generation of cavitation of a blowing fan is limited to greatly reduce noise and vibration.

Abstract: A ventilator includes a body casing having an opening formed in its lower portion and an exhaust port formed on one side; a fan that is provided in the body casing, for sucking indoor air from the opening and exhausting the indoor air from the exhaust port; a resin fan casing that has a suction port and forms an air passage of the fan; a protection frame formed outside the air passage to cover a terminal block provided outside the air passage; a resin terminal block cover that watertightly seals a protection frame opening of a lower portion of the protection frame and is opened and closed; a sheet-metal case that is provided in the protection frame and stores the terminal block; and a sheet-metal terminal block cover that opens and closes a lower opening of the sheet-metal case.

Abstract: Apparatus, systems and methods of 50/60 CFM exhaust and ventilation fans for bathrooms with flaps/ears that allow the housings to mount directly to joists and/or other structural members inside of a ceiling or inside of a wall. The housing can include a mounting plate having a motor with attached impeller thereon, wherein the mounting plate with motor and attached impeller can be removed as a single unit from the housing for accessing and inspecting interior wire connections during inspection and for ease in replacing parts such as burned out motors overtime.

Abstract: A valve allows for drainage of gases while preventing backflow of gases from a drainage system through the valve. A drain can have a first, sealed position in which a component of the valve seals an opening through the valve and a second, open position in which the component of the valve is separated from the opening to allow a fluid to drain through the valve. When the fluid has drained through, the component of the valve can return to the closed position. The valve can include a pressure relief conduit to help equalize pressure across the valve and permit unrestrained draining of fluid through the valve. The valve can be positioned in a roof vent and can include a guard.

Abstract: An HVAC controller may be programmed to control an HVAC system according to a comfort mode and an economy mode. When the HVAC system is operating according to the comfort mode, the HVAC system may primarily draw energy from a locally generated energy source or local energy storage system. The HVAC controller may be programmed to transition the HVAC system from operating according to the comfort mode to operating according to an economy mode, wherein the economy mode is a more energy efficient that the comfort mode.

Abstract: An illustrative electronic assembly includes a housing and a wall plate, where the wall plate is releasably connectable to the housing. The housing and the wall plate may be configured such that the housing and the wall plate may be able to initially engage each other with the wall plate misaligned relative to the housing. The housing and the wall plate may be configured to guide one another into alignment as the housing and the wall plate are moved together.

Abstract: Apparatus, systems and methods of 80/90 CFM ventilation exhaust fans for bathrooms with telescoping side extension brackets and side by side electric driven motor and blower wheel, and being used with or without lights. The exhaust fans can include a single main housing, that allows for a blower housing to support the motor and a blower wheel in a side by side arrangement. The exhaust fans can further include an outside wiring box that is externally located to the main housing. The wiring box can have support male plugs and female receptacles for supplying an electrical power supply to the electric motor and light. The side extension brackets can include telescoping members that allow the exhaust fans to be easily attached to structural members inside of a ceiling so that the exhaust fan has a vent cover attached to the ceiling. Inside of the exhaust fans can be light box with closed sides and bottom which prevents incoming air from passing directly onto the lights.

Abstract: A hot water supply apparatus associated with a heat pump is provided. The hot water supply apparatus performs a hot water supply operation using a high temperature refrigerant that has been discharged from a compressor, and simultaneously performs an indoor heating operation using a two-stage refrigerant cycle. This allows the apparatus to supply hot water while simultaneously providing heating/cooling to an indoor space.

Abstract: In a solar heat collector, a bottom plate and a side plate of a case which is opened in an upper surface are formed of a vacuum thermal insulation material in which a core material is enveloped by a skin and a vacuum is created in an interior of the skin, the skin is formed by welding together circumferential edges of two metal panels which are disposed to face each other with the core material sandwiched therebetween, a plurality of line grooves are formed in the metal panels, and the two metal panels are disposed so that sides thereof from which bottoms of the line grooves protrude are oriented inwards with the core material sandwiched therebetween.

Abstract: A solar power system can include an array of solar modules. The system can include a rail and a solar module positioned at an outer end of the array. The solar module can have a frame around a periphery of the solar module. The frame can include a flange along an edge of the solar module that is disposed at the outer end of the array. The flange can project inwardly from the frame underneath the solar module. A clamp assembly can be disposed underneath the solar module and can mechanically secure the solar module to the rail. The clamp assembly can include a clamp body and a base. The clamp body and the base can cooperate to clamp the flange between the clamp body and the rail.

Abstract: An air conditioner is provided. The air conditioner may include at least one indoor device and an outdoor device connected to the at least one indoor device. The outdoor device may include an outdoor heat exchanger including a plurality of heat exchange parts, a plurality of outdoor expansion parts corresponding to the plurality of heat exchange parts, a pass variable tube that varies refrigerant flow in the outdoor heat exchanger, and a pass variable valve provided in the pass variable tube. The heat exchange parts may include a first heat exchange part. The first heat exchange part may be connected to a manifold that distributes refrigerant flow in a heating operation. The manifold may be connected to a plurality of capillaries connected to the first outdoor expansion part. The pass variable tube may be connected to the manifold.

Abstract: A cooling and heating cup holder includes: a pair of holder bodies; a pair of thermoelectric elements having first and second surfaces for heat absorption and heat generation, the first surfaces being installed on the holder bodies; a pair of heat exchange pins provided so as to exchange heat with the second surfaces of the respective thermoelectric elements; a blower disposed at one side of the heat exchange pins and heat-radiating the heat exchange pins; and an extension heat pipe thermally connecting the second surfaces of the respective thermoelectric elements to each other or thermally connecting the respective heat exchange pins to each other.

Abstract: Aspects of the invention support simultaneous operation of a cooling side and a heating side of an apparatus to change the temperatures of a cooling serving surface and a heating serving surface, respectively. A cooling semiconductor device (which may comprise one or more Peltier devices) transfers heat from its top to its bottom while a heating semiconductor device (which may similarly comprise one or more Peltier devices) transfers heat from its bottom to its top. A heat pipe transfers waste heat from the cooling semiconductor device's bottom to the heating semiconductor device's bottom and waste cold from the heating semiconductor device's bottom to the cooling semiconductor device's bottom.

Abstract: A method for providing positive pressure to an interior of a positive pressure facility can use an HVAC system. The method can include securing an enclosure to an exterior of the positive pressure facility, pulling fresh air from outside of the enclosure into an evaporator compartment to form conditioned air, transferring the conditioned air from the enclosure to an enclosure extension attached to the interior, and flowing the conditioned air into the interior. The method can include receiving air from the interior into the enclosure extension, determining a differential pressure between a pressure outside and a pressure of the interior, and maintaining positive pressure in the interior using the differential pressure, a process control unit, the conditioned air, and a human machine interface. The human machine interface can determine present various real-time values, control buttons, and screens for operating the HVAC system.

Abstract: The invention relates to a heat pump according to the adsorption principle, comprising a plurality of hollow elements each having an adsorbent, wherein a working medium is enclosed in each of the hollow elements is displaceable between the adsorbent and a phase change area, wherein a heat-transporting fluid in a variable fluid circuit can flow through the hollow elements by means of a valve arrangement. The hollow elements are brought into thermal contact with the fluid in the area of the adsorbent, wherein the flow through the hollow elements changes cyclically with the fluid, wherein at least two of the hollow elements are flown through parallel from the fluid at least in one, in particular each position of the valve arrangement, and at least two of the hollow elements are flown through serially one after the other.

Abstract: A method for determining wire connections in a vapor compression system (1) is disclosed. The vapor compression system comprises a compressor, a condenser, an expansion device (2) and an evaporator (3) being fluidly interconnected in a refrigerant path, and two or more sensor devices (7, 8, 9, 10, 11) arranged for measuring variables which are relevant for the operation of the vapor compression system (1). The method comprises the steps of changing an operational setting, e.g. an opening degree of the expansion device (2) for the vapor compression system (1), monitoring variable values, such as temperatures, being measured by at least two sensor devices (7, 8, 9, 10, 11), e.g.

Abstract: A diagnostic monitoring system and method is employed for one or more vapor compression systems such as air conditioners and heat pumps having a compressor, an indoor air handler fan coil and an outdoor condensor. Temperature, voltage and current sensors are provided at the outdoor condensor to determine that at least one vapor compression system is operating properly. Data obtained from the sensors is wirelessly transmitted to a receiving-device for use by the systems' custodian or repair service provider and includes information concerning an occurrence of periods when one or more of the vapor compression systems are operating at an abnormal state.

Abstract: A refrigerator includes a cabinet having a top wall. At least one door is coupled with the cabinet and is moveable between an open position and a closed position. A removable cooling module is disposed on the top wall of the refrigerator. The removable cooling module includes a cooling unit and an ice maker. An ice dispenser is coupled with the refrigerator. A duct is in communication with the removable cooling module and is adapted to convey ice and cool air from the removable cooling module to the refrigerator.

Abstract: The invention is an improved ice handling container and methods for using the container. The container includes a bottom wall with upstanding sidewalls terminating in a mouth. A bail having an apex and opposing ends is pivotally attached to opposing sidewalls of the container. The bail has a handle generally at the apex and a hook extending generally outwardly from the bail generally near the apex of the bail for hanging the container with the mouth facing generally upward. One sidewall has a handle generally adjacent the bottom wall and a hook generally adjacent the handle extending generally outwardly and upwardly from the sidewall for hanging the container with the mouth facing generally downward.

Abstract: Provided is a single infrared emitter dispenser monitor for refrigeration appliance that includes a dispenser that dispenses at least one of water and ice. A vessel detector includes an infrared emitter, a first infrared detector, and a second infrared detector. The infrared emitter emits radiation having an angle of dispersion such that both of the first and second infrared detectors receive the radiation emitted by the infrared emitter. The first infrared detector is arranged more frontward than the second infrared detector. In further examples, an elapsed time between detection signals is compared to a minimum elapsed time, and a dispensing signal is only sent if the elapsed time is greater than the minimum elapsed time. By this configuration, the number of input/output lines running into a control device is reduced, and it is possible to detect a failed emitter if both detector signals fall to zero at the same time.

Abstract: A refrigerator includes a main body, a storage room defined in the main body, and a cooling device configured to cool the storage room. The refrigerator also includes a door rotatably connected to the main body and configured to open and close the storage room. The refrigerator also includes a door storage mounted to the door and having a side storage portion that is accessible when the door is open to an acute opening angle. In addition, the refrigerator includes a door locking mechanism configured to selectively lock the door at the acute opening angle at which the side storage portion is exposed between the main body and the door.

Abstract: A method and device for improving moisture removal capacity of a vapor compression system is disclosed. The vapor compression system is started up with the evaporator blower initially set to a high speed. A relative humidity in a return air stream is measured with the evaporator blower operating at the high speed. If the measured humidity is above the predetermined high relative humidity value, the evaporator blower speed is reduced from the initially set high speed to the lowest possible speed. The device is a control board connected with the blower and uses a predetermined change in measured relative humidity to control the blower motor speed.

Abstract: A frame and a refrigerating apparatus that uses the frame, the frame is composed by at least one frame component, wherein a vacuum insulation panel material is placed inside of the at least one frame component. The frame is capable of preventing the accumulation of water condensation along the frame, has both a better heat insulation effect and an energy-saving effect.

Abstract: A storage basket used for storing and displaying food products and packages in a refrigerator or freezer unit may include a single-material first portion including a bottom wall and an upright wall that extends away from the bottom wall. The bottom wall and the upright wall are imperforate, thereby creating a solid barrier to transfer and fall-through of materials contained in the storage basket. The storage basket may also include a single-material second portion coupled to and extending from the upright wall, and the second portion may include a plurality of perforations. The plurality of perforations may permit airflow around and about the materials contained in the storage basket.

Abstract: A production method for natural gas according to the invention includes a step of adiabatically compressing a raw natural gas containing helium gas, a step of separating the helium gas from the raw natural gas by passing the adiabatically-compressed raw natural gas through a separation membrane unit, a step of conveying the raw natural gas from which the helium gas has been separated to a terminal through a pipe line, and a step of pressing the helium gas separated from the raw natural gas into an underground storage formation.

Abstract: A control method for a drying machine according to one exemplary embodiment is applied to a drying machine which selects at least one of a heat pump system and a heater to use as a heat source for heating air to be supplied into the drum. The control method includes activating the heat pump system when both of the heat pump system and the heater are selected as the heat source, and determining whether or not a compressor included in the heat pump system normally operates. Whether or not to use the heater as the heat source is decided according to whether or not the compressor normally operates.

Abstract: An apparatus for condensing steam is described including at least two chambers with a first chamber operated as co-current flow condensing chamber and a second chamber operated as counter-current flow condensing chamber with the co-current flow condensing chamber including a cooling liquid distribution system with a plurality of channels arranged above a plurality of film carriers having flat surface areas to carry films of cooling liquid.

Abstract: A heat exchanger has inlet and outlet fittings, each having a base portion and a top portion, and having a circumferential groove provided with a resilient sealing element for sealing within a bore of a coolant manifold. Each fitting also has a base fitting with an annular sealing surface sealed to a surface of the heat exchanger. In an embodiment, the base portion has a larger diameter than the top portion, and the groove and sealing element are provided in the bottom portion, with a chamfer or sloped surface separating the base and top portions. In another embodiment, the top portion has a larger diameter than the base portion, and the groove and sealing element are provided in the top portion.

Abstract: A heat exchanger and a method are provided to vaporize a working fluid using a heat sourcing fluid. The heat exchanger includes a first section, a second section, and a third section. A first portion of the heat sourcing fluid passes through the first section, in counter-flow with the working fluid. A second portion of the heat sourcing fluid passes through the second section, in co-flow with the working fluid. Both the first and second portions pass through the third section, in overall counter-flow with the working fluid. The working fluid passes sequentially through the third section, the first section, and the second section. The heat exchanger and/or the method may be used in a Rankine cycle for waste heat recovery or in a refrigerant cycle.

Abstract: In one embodiment, a heat conducting composite material may include a bulk material, a conduit, and a conduit material. The bulk material forms a shaped body having a heat introduction portion and a heat dissipation portion. The conduit is disposed in the bulk material and connects the heat introduction portion to the heat dissipation portion. The conduit material is disposed within and fills the conduit. The bulk material thermal conductivity of the bulk material is about equal to a conduit material thermal conductivity of the conduit material at a first temperature. The bulk material thermal conductivity is less than or equal to the conduit material thermal conductivity throughout a first temperature range. The bulk material thermal conductivity is greater than or equal to the conduit material thermal conductivity throughout a second temperature range.

Abstract: A refrigerant guiding pipe has a pipe wall in which an inner chamber is formed; an opening formed in the pipe wall; and a refrigerant guiding wall portion, at least a part of an edge of the refrigerant guiding wall portion being separated from the pipe wall, thereby forming the opening. The refrigerant guiding pipe can help alleviate generation of non-uniform distribution of refrigerant due to layering of gaseous refrigerant and liquid refrigerant.

Abstract: A backing plate for joining a heat removal device to a heat source. The backing plate can include a planar plate region having a first face and a second face opposite the first face. The backing plate can also include at least one boss projecting from the first face and having an opening therein for receiving a fastener.

Abstract: A laminated heat exchanger includes at least one heat exchange layer that includes a plurality of side members that define a frame having an interior portion. A plurality of heat exchange members extend between at least two of the plurality of side members across the interior portion. The plurality of heat exchange members are linked by a ligament member to form a heat exchange member chain.

Abstract: A method is provided for heat transfer from a surface to a fluid. The method includes directing a first fluid flow towards the surface in a first direction and directing a second fluid flow towards the surface in a second direction. The first and second fluid flows cooperate to cool the surface.