1420results about How to "Increase heating capacity" patented technology

Apparatus and methods for cooling and/or heating selected regions within a body are described herein. An implantable system is used to cool or heat nerve bodies down to about 15° C. to diminish nerve impulses. In one embodiment, the system can include an implantable unit containing a pumping mechanism and/or various control electronics. The system has a cooling element. The cooling element can be a Peltier junction or a catheter through which hot or cold fluid flows. The heated portion of the Peltier junction can be cooled by a liquid heat transfer medium which absorbs the heat from the junction and dissipates the heat elsewhere.

A structure for use in high temperature applications and including a porous ceramic material consisting essentially of about 50-90 percent by weight iron or magnesium stabilized aluminum titanate (AlTiO5) and about 10-50 percent by weight strontium feldspar (SrO.Al2O3.2SiO2), and having a coefficient of thermal expansion over a temperature range from room temperature to 1000° C. of about -10x10-7/° C. to +15x10-7/° C., a heat capacity at 500° C. greater than 3.2 J/cm3K, a porosity of about 15-50 percent by volume, preferably 40-50 percent by volume, and a median pore size of about 5-50 micrometers, preferably 8-15 micrometers. The structure is especially useful as a diesel exhaust particulate filter.

Acoustic shielding system and method for protecting and shielding non-targeted regions or tissues that are not intended to be treated by ultrasonic procedures from acoustic energy using a shield. In some embodiments, the shield comprises multiple layers made of one or more materials with one or more acoustic impedances. In some embodiments a multilayered shield includes materials with relatively different acoustic impedance levels. In some embodiments, the shield includes active components such as energy diversion devices, heating, cooling, monitoring, and/or sensing. In some embodiments, the shield is configured to protect an eye, mouth, nose or ear while allowing the ultrasound to treat the surrounding tissue. One embodiment of an eye shield is configured to fit under at least one eyelid and over a portion of the eye.

The invention is directed at a mullite-aluminum titanate porous diesel particulate filter constituting a porous ceramic body containing, expressed in terms of weight percent of the total body, of 60-90%, preferably 70-80%, most preferably 70% iron-aluminum titanate solid solution having a stoichiometry of Al2(1-x)Fe2xTiO5, where x is 0-0.1, and 10-40%, preferably 20-30%, most preferably 30% mullite (3Al2O3.2SiO2), and consists essentially, expressed in terms of weigh percent on the oxide basis, of 3 to 15% SiO2, 55 to 65% Al2O3, 22 to 40% TiO2, and 0 to 10% Fe2O3, and being useful for filtration of diesel exhaust. The inventive diesel particulate filter exhibits high interconnected open porosity and large median pore size, in combination with high permeability when fired to a temperature of between 1650° to 1700° C., along with high thermal shock resistance and good filtration capability.

A heat exchanger comprising: a gas transport conduit providing a channel through which a fluid mixture can flow; an outer conduit disposed around the gas transport conduit, the outer conduit having a first cap covering a first end and a second cap covering a second end, the gas transport conduit passing through the outer conduit; and a conductive tube passing through the outer conduit, providing a channel through which a circulating fluid can flow through the outer conduit, wherein a static fluid chamber is formed between the conductive tube and the gas transport conduit, the static fluid chamber configured to house a static fluid, wherein the gas transport conduit is configured to conduct heat from the fluid mixture in the gas transport conduit to the static fluid and the conductive tube is configured to conduct heat from the static fluid to the circulating fluid.

The invention discloses a refrigeration cycling device comprising a double-cylinder rotary compressor, a liquid accumulator, an indoor heat exchanger, an outdoor heat exchanger, a gas-liquid separator and a medium-pressure gas suction pipe. The double-cylinder rotary compressor comprises a shell provided with an exhaust pipe, a motor and a compression device, the compression device comprises a first cylinder provided with a first compression cavity and a first silencer and a second cylinder provided with a second compression cavity and a second silencer, and the first silencer and the second silencer are communicated with the exhaust pipe; the liquid accumulator is connected to the first compression cavity through a low-pressure gas suction pipe; the gas-liquid separator is connected between the indoor heat exchanger and the outdoor heat exchanger; the medium-pressure gas suction pipe is connected between the second compression cavity and the gas-liquid separator. The refrigeration cycling device is simple in structure, and refrigerating capacity is enhanced and efficiency is improved.

A system for generating electrical energy using a naturally occurring temperature difference is disclosed. The system provides electrical energy by thermally conduit a geothermal heat source and cold deep-level water to opposing sides of a thermoelectric element. The thermoelectric element generates electrical energy based on the temperature difference between these two surfaces.

A dispenser for relative rapid cooling or heating of the contents of a liquid storage container provides a receptacle for receiving the liquid storage container therein and positioning a thermal transfer portion of the liquid storage container in thermal conductive relationship with a thermal conduction pad associated with the receptacle. Thermal energy is effectively and efficiently transferred from the thermal conduction pad to the liquid in the liquid storage container. The thermal conduction pad is controlled to provide and maintain the desired temperature to the liquid. The liquid is dispensed directly from the container. Various types of containers can be used in the dispenser, with a special bag-in-box container having a inner container and outer box with thermal conduction windows in the box to provide good heat transfer between the thermal conduction pads and the inner container constituting an aspect of the invention. A special rigid container can also be used.

The invention discloses an air-cooled heat pump air conditioner which comprises a compressor, an outdoor coil, a heat exchanger, a main liquid line and supercooling devices, wherein the supercooling devices comprise two or three of a supercooling coil, an economizer and a liquid-vapor separator with a supercooling function, the supercooling devices are arranged on the main liquid line, and liquid state refrigerants which circulate in the main liquid line can achieve repeatedly the supercooling through the supercooling devices. According to the air-cooled heat pump air conditioner, the performance of cooling/heating circulation of the air-cooled heat pump air conditioner is effectively improved, so that the air-cooled heat pump air conditioner is stable and reliable in operation and energy saving in a low-temperature environment.

Improved massage devices are disclosed. The massage devices comprise a housing having a hollow chamber for containing a fluid. The housing comprises a first member, an opposite second member and a plurality of lobes. Each one of the plurality of lobes has a hollow portion. Each one of the plurality of lobes is coupled to the first member and the opposite second member. A portion of the first member defines a plurality of protuberances. An inner portion of the first member and an inner portion of the second member define a gap located between the first member and the second member. The hollow chamber is defined by the gap and the contiguous hollow portion of each one of the plurality of lobes. The fluid contained in the housing of the massage devices is heated or cooled to produce enhanced massaging relief for a body of a person.

A honeycomb filter of the present invention is a honeycomb filter 10 including a number of through-holes 12 surrounded by partition walls and extending through an axial direction, in which the partition walls have filterability, predetermined through-holes 12 are plugged at one end portion, and the remaining through-holes 12 are plugged at the other end portion to trap particulate matter contained in a dust-containing fluid. The honeycomb filter is characterized in that a heat capacity of a central part 11 is set to be larger than that of a peripheral part 13 in a section of the honeycomb filter 10 perpendicular to the axial direction. There is provided a honeycomb filter in which a crack is not generated by thermal stress during use, especially at a regeneration time and which is superior in durability.

The invention discloses a heat pipe semiconductor refrigeration cool storage system which comprises a semiconductor refrigeration system and a heat pipe cool storage system; the heat end of a semiconductor refrigeration block in the semiconductor refrigeration system is tightly contacted with a first metal heat radiation block, the cold end of the semiconductor refrigeration block is tightly contacted with a second metal heat radiation block; a refrigeration heat radiation fin used for heat radiation of the heat end is arranged on the first metal heat radiation block; a condensation section of a heat pipe in the heat pipe cool storage system is arranged in the second metal heat radiation block, an evaporation section of the heat pipe is arranged in a cool storage device; phase change cool storage material used for storing cool energy is filled in the cool storage device, and a cool storage heat radiation fin used for transferring the cool energy in the cool storage device is arranged at the outside of the cool storage device. The heat pipe semiconductor refrigeration cool storage system of the invention utilizes the heat pipe to transfer the cool energy into the cool storage device in a box from the cold end of the semiconductor refrigeration block, the cool energy is great, the stored cool energy can be released according to the needs, and the residual cool energy is stored for standby, thereby being applicable to vaccine transportation, field operation and other long-term uses.

This invention discloses a system and method to operate a doubly-fed induction generator (DFIG) as a grid-friendly virtual synchronous generator (VSG). It comprises a DFIG modeled as a virtual differential gear that links a rotor shaft driven by a prime mover, a virtual stator shaft coupled with a virtual synchronous generator G and a virtual slip shaft coupled with a virtual synchronous motor M, and a variable frequency drive that behaves as a virtual synchronous motor-generator set to regulate the speed of the virtual synchronous motor M so that the speed of the virtual stator shaft, i.e., the speed of the virtual synchronous generator G, is within a narrow band around the grid frequency even when the rotor shah: speed changes. As a result, a grid-connected DFIG can be controlled to behave like a virtual synchronous generator without using a PLL.

An exhaust system(10) for a lean-burn internal combustion engine (12) comprises a first substrate monolith (16) comprising a catalyst for oxidising nitric oxide (NO) comprising a catalytic oxidation component followed downstream by a second substrate monolith (18) which is a wall-flow filter having inlet channels and outlet channels, wherein the inlet channels comprise a NO x absorber catalyst (20) and the outlet channels comprise a catalyst for selective catalytic reduction (22) of nitrogen oxides with nitrogenous reductant.

The invention discloses a method for controlling intelligent defrosting of an air conditioner. The method comprises the step of detecting indoor environment temperature T1, temperature T2 of an indoor heat exchanger and continuous operation time M of a compressor. When the temperature T2 of the indoor heat exchanger is less than setting temperature T4, a temperature difference delta T between the temperature T2 of the indoor heat exchanger and the indoor environment temperature T1 is less than setting temperature T3, the continuous operation time M of the compressor is greater than or equal to setting time M1, and a drop-out value of the temperature difference delta T is greater than or equal to a setting value TS1 or time t used every time when the temperature difference delta T drops by a setting value TS2 is in a range of setting time, the air conditioner operates to defrost. Due to the fact that the relationship of the temperature of the indoor heat exchanger and the indoor environment temperature is detected, the frosting conditions of an outdoor heat exchanger are judged so that whether defrosting is carried out or not can be selected, accordingly, unnecessary defrosting operation is reduced and heating capacity of the air conditioner is increased.

The present invention provides, in addition to other things, methods, systems, and apparatuses that involve the use of an optical fiber with grating and particulate coating that enables simultaneous heating; optical detection; and optionally temperature measurement. Methods, systems, and apparatuses of the present invention may be used in many applications including isothermal and/or thermal cycling reactions. In certain embodiments, the present invention provides methods, systems, and apparatuses for use in detecting, quantifying and/or identifying one or more known or unknown analytes in a sample.

A wireless vibration sensor suitable for connection to a distributed industrial control system arranged with a wireless network for communication of process data or control information. The wireless vibration sensor includes at least one sensor, a wireless radio transmitter, and a base part for mounting it firmly on equipment or a structure. The wireless sensor is arranged with a battery and a power storage device. A method for powering up the wireless sensor during active cycles is also described.

A ceramic wall-flow filter for filtering particulate matter from gases and methods for manufacturing such wall-flow filters are disclosed. The filter includes an array of porous ceramic walls defining a pattern of end-plugged inlet and outlet cells, and heat absorbing elements disposed within at least some of the outlet cells such that a bulk heat capacity of the outlet cells is greater than a bulk capacity of the inlet cells. The heat absorbing elements increase a bulk heat capacity of the filter without substantially interfering with a flow of gas through the porous ceramic walls by allowing thinner walls. According to the method, during the step of extruding or thereafter, heat absorbing elements are formed within at least some of the outlet cells such that a heat capacity of the outlet cells is greater than the inlet cells.

The present invention relates to a kind of air-cooled water-cooled double-evaporator hot-water machine unit for recovering after heat of waste water. It is characterized by that it has a refrigeration circulating loop composed of compressor, water-cooled condenser, air-cooled evaporator and water-cooled evaporator. On said loop a controller is set. Said invention also provides the working principle of said air-cooled water-cooled double-evaporator hot-water machine unit and its concrete operation method.

Disclosed herein is a method of operating a polymerization reactor for a polymerization reaction comprising modifying a recycle gas composition to increase the heat capacity of the recycle gas wherein the recycle gas composition is modified by reducing or eliminating the nitrogen concentration in the recycle gas. In an embodiment, the nitrogen concentration is reduced or eliminated by reducing or eliminating one or more nitrogen input sources to the polymerization reactor and replacing the nitrogen with an alternate inert fluid (a gas or liquid that is inert to the catalyst and reactants). The alternate inert fluid has a higher heat capacity and a higher molecular weight than nitrogen. In an embodiment, the nitrogen utilized to convey a catalyst into the polymerization reactor is replaced with an alternate inert fluid. In an embodiment, the alternate inert fluid is ethane, propane, isobutane, or combinations thereof.