130results about How to "Reduce temperature" patented technology

A novel medical probe assembly, system, and methods for the use thereof to treat tissue are described. The system optionally comprises an energy source, two probe assemblies, and one or more cooling devices to provide cooling to at least one of the probe assemblies. The probe assemblies may be configured in a bipolar mode, whereby current flows preferentially between the probe assemblies. The probe assemblies and system described herein are particularly useful to deliver radio frequency energy to a patient's body. RF energy delivery may be used for various applications, including the treatment of pain, tumor ablation and cardiac ablation.

Systems and methods for sensing temperatures of multiple functional blocks within a digital device and controlling the operation of these functional blocks in a manner that selectively reduces temperatures associated with some of the functional blocks, but not others. One embodiment comprises an integrated circuit having multiple functional blocks (such as processor cores) and a set of thermal sensors coupled to sense the temperatures of the functional blocks. The integrated circuit includes control circuitry configured to receive signals from the thermal sensors, detect thermal events in the functional blocks and to individually adjust operation of the functional blocks to reduce the temperatures causing the thermal events. In one embodiment, the control circuitry includes a detection/control circuit coupled to each of the functional blocks and a thermal management unit configured to evaluate detected thermal events and to determine actions to be taken in response to the thermal events.

An icemaker assembly includes an ice tray having an ice forming compartment, a water line configured to advance water from a water source to the ice tray, a valve operable to selectively block advancement of water through the water line while an actuation signal is generated, a control system operable to generate the actuation signal for a water advancement period, a water level detection system for determining if a level of water in the ice forming compartment is below a threshold value and generating a control signal in response thereto. The control system is further operable to alter a magnitude of the water advancement period in response to generation of the control signal. Water is initially advanced into the ice forming compartment for a first period of time during a first ice making cycle by opening the valve. If it is determined that the level of water in the ice forming compartment is below a threshold value during the first ice making cycle, a control signal is generated in response thereto and during a second ice making period the valve is opened for a second period of time in response to generation of the control signal so that water advances into the ice forming compartment of said ice tray through the valve during said second ice making cycle for a period of time that is greater than the first period of time.

A cold cathode field emission device comprising a cathode electrode formed on a support member, and a conical electron emitting portion made of carbon and formed on the cathode electrode.

A cooling system for a surgical handpiece may provide fluid flow to the surgical tip and to the internal electronic components to prevent temperatures that may damage or make the patient or surgeon uncomfortable. Tip directed gas further controls the tip-tissue interface by displacing blood or serum from the incision point, increasing precision and diminishing coagulum build-up. In the alternative, cooling fluid may be used to quench tissue being treated.

A water condenser includes a fan which draws a primary airflow through an upstream refrigerant evaporator, through an air-to-air heat exchanger and in one embodiment also an air-to-water heat exchanger uses cold water collected as condensate from the evaporator, the airflow to the evaporator being pre-cooled by passing through the air-to-air heat exchanger and the air-to-water heat exchanger prior to entry into the evaporator wherein the airflow is further cooled to below its dew point so as to condense moisture onto the evaporator far gravity collection. The evaporator is cooled by a closed refrigerant circuit. The refrigerant condenser for the closed refrigerant circuit may employ the fan drawing the airflow through the evaporator or a separate fan, both of which drawing an auxiliary airflow separate from the airflow through the evaporator through a manifold whereby bath the auxiliary airflow and the airflow through the evaporator, or just the auxiliary airflow are guided through the condenser and corresponding fan.

Provided are an arrangement capable of reliably preventing freeze of a PCV channel without requiring additional piping and an intake manifold having this arrangement. This arrangement for freeze prevention of a PCV channel includes a PCV channel returning blowby gas containing un-combusted fuel gas as a main component thereof and leaked into an engine to an intake port, an EGR channel returning exhaust gas exhausted from the engine to the intake port, and a heating portion as a common portion between a PCV outer wall of the PCV channel and an EGR outer wall of the EGR channel.

A foaming composition is provided comprising a particulate ingredient having a plurality of internal voids containing entrapped supercritical fluid having a critical temperature of at least about 10° C. Additionally, a method is provided for preparing such a foaming composition. A supercritical fluid having a critical temperature of at least about 10° C. is contacted with a particulate ingredient having a glass transition temperature above ambient temperature at a temperature above the glass transition temperature of the particulate ingredient, wherein the particulate ingredient comprises a plurality of internal voids. The particulate ingredient is held at the temperature above the glass transition temperature of the particulate ingredient for a period of time effective to allow transfer of the supercritical fluid into the plurality of internal voids of the particulate ingredient. Subsequently, the temperature is reduced to below the glass transition temperature of the particulate ingredient, thereby entrapping at least a portion of the supercritical fluid in the plurality of internal voids of the particulate ingredient.

A protective sleeve structure for a portable electric product mainly comprises a protective sleeve. The protective sleeve includes a first body and a second body. A sticking-layer is paved on each bottom surface of the first body and the second body, and a zipper is sewn on the both rims of the first body and the second body so the protective sleeve can be opened and closed by the zipper. The top end of support-plate links with the top end of the second body, and the bottom portion of the support-plate is sewn on at least one or more Velcro. When the user does not want to operate the electric product, the Velcro of the support-plate sticks with the sticking-layer of the second body thus the support-plate is laid on the bottom surface of the second body flatly not to affect the placement of the electric product, thus the user can place the electric product in the protective sleeve as a carryon. When the user does want to operate the electric product, the Velcro on the bottom end of the support-plate sticks with the sticking-layer of the bottom surface of the first body 11 to have the support-plate being inclined so the electric product can be leaned on the support-plate. Hence the user can operate the electric product anytime and anywhere.

Certain example embodiments of this invention relate to a frit slurry paste for use in assemblies (e.g., a vacuum insulated glass unit or a plasma display panel), and methods of making the same. Frit powder, binder material, and a water-based solvent are mixed together to form an intermediate mixture. The frit powder is substantially lead free, and the water-based solvent is provided at a first temperature. Additional water-based solvent is added to the intermediate mixture to form a frit slurry paste. The additional water-based solvent is provided at a second temperature, with the second temperature being lower than the first temperature. The binder material is provided at a concentration of 0.001%-20% by weight with respect to the frit slurry paste or the frit slurry paste absent the frit powder. The frit slurry paste has a bulk viscosity of 2,000-200,000 cps.

A flexible insulation blanket having a ceramic matrix composite (CMC) outer layer, and a method of producing a flexible insulation blanket having a smooth, aerodynamically suitable, outer surface by infiltrating ceramic material within the outer ceramic fabric layer of the flexible insulation blanket and curing the ceramic material to form a CMC layer. The CMC layer is cured while the blanket is under compression such that the resulting CMC layer has a smooth surface.

A process and apparatus is presented for the removal of sulfur from a catalyst. The catalyst is a dehydrogenation catalyst, and sulfur accumulates during the dehydrogenation process. The sulfur is removed before the catalyst is regenerated to prevent the formation of undesirable sulfur oxide compounds created during regeneration. The catalyst, during regeneration, includes redispersion of a metal on the catalyst, and removal of sulfur oxides overcomes the interference with chloride retention and metal redispersion in the regeneration process.

A drill bit with high performance for chip removal. The drill bit comprises a cutting tip and a drill body. The cutting tip comprises a chisel edge, a back edge, a cutting edge groove and a rear rib. The cutting edge groove is a circular groove having meniscus shape. A primary cutting surface interposed between the cutting edge groove and the back edge has a trapezoidal or triangular shape. Grinding the rear rib forms a quadratic rear plane. The quadratic rear plane crossing with the chisel edge and the cutting edge groove defines a cutting edge groove plane. The drill bit has three tips and seven cutting edges. A drill bit according to the present invention provides a significant improvement in cutting performance over known twist drill bit in the prior art.

A new and unique apparatus for extracting water out of humid air is disclosed. There is also disclosed utilization of the apparatus and method in a specific and unique design so as to establish building blocks in building construction in order to cool indoor air in spaces in which the designated building blocks are combined.

A safety system and a method configured to determine whether a passenger compartment of a vehicle is occupied whether the temperature of the passenger compartment is outside an acceptable temperature range, and to take a safety countermeasure if needed. An occupant is detected by sounds received by an audio transducer within the passenger compartment connected to an infotainment system. The temperature is detected by a temperature sensor connected to the heating, ventilation and air condition system of the vehicle. Example safety countermeasures include activating the horn, transmitting a wireless signal indicating that an unattended occupant is in the vehicle to a remote wireless receiver, and/or at least partially opening a vehicle window. A pair of high frequency speakers connected to the infotainment system may be used to transmit and receive ultrasonic signals so that an occupant may be detected using ultrasonic motion detection techniques.

A liquid cooling system has a thermoelectric cooling module, a heat dissipating assembly, a water block and multiple flexible guide tubes with liquid flows inside. The thermoelectric cooling module has a cold surface and a hot surface. The water block has a contacting surface attached to a processor of a computer. The guide tubes are mounted between the thermoelectric cooling module, the heat dissipating assembly and the water block. With the thermoelectric cooling module, the liquid cooling system can cool a processor of computer hardware with high efficiency, and is able to dissipate extraordinary heat generated by the processor.

A vehicle air conditioning apparatus is provided that can prevent temperature variations of the air after the heat exchange in a radiator to reliably control the temperature of the air supplied to the vehicle interior. During the heating operation and the heating and dehumidifying operation, target degree of supercooling SCt when target air-blowing temperature TAO is a predetermined temperature or higher is set to SCt1 that is greater than SCt2 when the target air-blowing temperature TAO is lower than the predetermined temperature. When amount of air Ga supplied from indoor fan 12 is lower than a predetermined value, the target degree of supercooling SCt is corrected, which is set such that the degree of supercooling is lower than target degree of supercooling corrected when the amount of air Ga supplied from the indoor fan 12 is a predetermined value or higher.

An aerial work platform assembly includes: a) a platform shaft retaining assembly; b) a mounting bracket connected to the platform shaft retaining assembly; and c) a platform connected to the mounting bracket. The platform shaft retaining assembly includes two concentric apertures for installation of a pivot shaft therein; the mounting bracket having an upper gusset member and a center gusset member that are bonded together and that include horizontal portions to which the pivot shaft is bonded; upper and lower platform pins; a valve bracket; a platform bracket; and upper platform pins that provide for pivoting on a lower platform pin and tilting down of the platform thereby. At least one of the platform shaft retaining assembly, the mounting bracket, the platform, the upper and lower platform pins, and the valve bracket are molded from at least one monomer having at least one norbornene functionality, such as polydicyclopentadiene.

A method for preventing or reducing the development of delayed brain damage in a patient, comprises applying headwear (1) to the patient's head and circulating a fluid coolant through conduits (3) or passages in the headwear to cool the brain and thermostatically controlling the coolant temperature within a predetermined range to maintain the brain at a temperature sufficiently below normal for an extended period sufficient to prevent the death of neurons, glial or other cells that would otherwise die as a consequence of direct injury to the brain or other injury to the patient likely to cause injury to the brain.

A system and method to eliminate hard rub and optimize a purge flow in a gas turbine is provided. The gas turbine includes a stator configured to guide a flow of an incoming gas. The gas turbine also includes a rotor configured to expand the incoming gas and extract kinetic energy from the incoming gas. The gas turbine further includes a purge flow bled from a compressor and configured to reduce a temperature of a wheel space by limiting ingestion of the incoming gas. The gas turbine also includes an angel wing disposed between the rotor and the stator and configured to act as a sealing surface between the rotor and the stator. The gas turbine further includes a fan blade disposed on a surface of the angel wing at an axial position and configured to generate a recirculation zone of the purge flow, wherein the recirculation zone is reduces a volume of successive purge flows entering the wheel space.

A system for reducing a temperature of an exhaust gas stream of a gas turbine system according to an embodiment includes: a compressor component of a gas turbine system; an airflow generation system for attachment to a rotatable shaft of the gas turbine system, the airflow generation system and the compressor component drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for: extracting at least a portion of the excess flow of air generated by the airflow generation system and the compressor component to provide bypass air; and diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and a fluid injection system for injecting an atomized fluid into the mixing area to reduce a temperature of the exhaust gas stream.

A water jacket assembly for an instantaneous gas fired water heater, the assembly including pressed profiled plates made of copper or copper coated steel, one plate being the inverted image of the other, said plates being placed together in pairs, the pairs of plates being arranged in a parallel array to form a heat exchanger, the heat exchanger being bordered by a water jacket comprising overlapping side and end panels of copper or copper coated steel attached to the array of plates, the assembly being fused together to define a combustion chamber with discrete combusted gases and water passages within said assembly.

A combustion burner 10A according to one embodiment of the present invention includes: a fuel nozzle 110; a burner tube 120 forming the air passage 111 between the burner tube 120 and the fuel nozzle 110; swirler vanes (swirler vanes) 130 arranged in a plurality of positions in the circumferential direction on the external circumferential surface of the fuel nozzle 110, each extending along the axial direction of the fuel nozzle 110, and gradually curving from upstream toward downstream; and a liquid fuel injecting hole 133A from which a liquid fuel is injected to a surface of each of the swirler vanes 130. The combustion burner 10A also includes multi-purpose injecting holes 11-1 to 11-3 as a cooling unit that cools a part of a vane pressure surface 132a of the swirler vane 130 on which the liquid fuel LF hits. Water is injected through the multi-purpose injecting holes 11-1 to 11-3 to form a water film 15A on the vane pressure surface 132a, whereby a combustion temperature is reduced and formation of carbon deposit is prevented.

An artificial lighting system. The artificial lighting system generates electromagnetic radiation at a source location, and outputs the electromagnetic radiation at a target location. The output is in the form of electromagnetic radiation in the visible spectrum and/or photosynthetically active radiation. In some embodiments, the electromagnetic radiation is focused and distributed through one or more lenses to provide increased intensity. For target locations that are physically remote from the source location, optical waveguides and components distribute the electromagnetic radiation. Some embodiments incorporate an automated emitter allowing the output of the artificial lighting system to be moved at the target location. The artificial lighting system seeks to provide high intensity electromagnetic radiation to the target while minimizing the exposure of the target to the heat generated by the light source.

A rotor device capable of forcing heat dissipation includes a hub and an inner casing. The hub provides a closed end with at least a through hole radially disposed thereon and a projection extending therefrom along the circumference of the through hole. The inner casing is disposed in the hub. Fluid is forced by the projection to move outward or inward via the through hole so that temperature of the fluid in the hub and the inner casing can be lowered down.

A cooling system for cooling of a heat generating electrical component, in particular to reduce the likelihood of overheating of electrical components or chemical breakdown of coolant fluid. The cooling system has a coolant liquid to absorb excess energy from the heat generating electrical component, the coolant liquid having an energy input threshold above which chemical breakdown of the coolant liquid occurs. A cooling module defines a volume containing the coolant liquid, wherein the heat generating electrical component is mounted within the volume and immersed in the coolant liquid. A power input is arranged to supply power into the cooling module to the heat generating electrical component, and a power regulator is provided external to the volume of the cooling module and connected to the power input so as to regulate the power supplied into the cooling module. Cooling systems are also described having coolant liquid comprising dissolved oxygen, having at least one element arranged within the volume comprising aluminium and/or aluminium oxide, and/or having a sealed volume with at least one seal which opens at a predetermined pressure or temperature corresponding to a temperature below the temperature at which the coolant liquid breaks down.

In an induction heating apparatus, in order to decrease the buoyancy exerted on an object to be heated which is made of a material having high electrical conductivity and low magnetic permeability, such as aluminum, an electrical conductor is provided between a heating coil and the object to be heated, thereby increasing the equivalent series resistance of the heating coil. Hence, the current of the heating coil, which is required for obtaining a desired heating output, is decreased, whereby the buoyancy of the object to be heated can be decreased. In addition, the electrical conductor is divided into two halves, and they are arranged in a circular arc form with a clearance provided therebetween and made close contact with the bottom face of a plate, whereby the temperature rise of the electrical conductor can be restricted. Furthermore, the heat of the electrical conductor is transferred and dissipated to the object to be heated, whereby the heating coil and the like are not damaged even if the electrical conductor is heated. An electrical conductor temperature sensor for detecting the temperature of the electrical conductor is provided; when the detection temperature becomes a predetermined temperature, the heating output of a drive circuit is decreased, whereby the heat generation of the electrical conductor is decreased and the heating coil and the like are not damaged by heat.

An improved device and process for atomic layer deposition (ALD) is provided. A more rapid deposition of layers is accomplished by a continuous flow of reactant moieties. The first moiety, carried by an inert carrier gas, is deposited as a monolayer. The flow is then switched to the second moiety, also carried by an inert gas, which is deposited as a monolayer and which reacts with the first moiety thereby forming a product moiety monolayer. The process is repeated with continual switching of flow between the two different reactant moieties. This allows for the deposition of many layers of the product moiety Any unreacted moiety molecules and unadsorbed product moiety molecules are swept out by the carrier gas. The capability exists to use more than three reactant moieties and thus form complex materials.

An airflow control system for a combined cycle turbomachine system in accordance with an embodiment includes: an airflow generation system for attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for extracting a first portion of the excess flow of air to provide bypass air, and for diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and an airflow regulation system for diverting a second portion of the excess flow of air into the compressor component and, in response to an under-frequency grid event, for increasing the second portion of the excess flow of air diverted into the compressor component.

An oven door includes a transparent zone defined by a window pack and an additional piece of glass arranged in front of the window pack. Specifically, the additional piece of glass is mounted at an angle to the panes of the window pack, with the angled glass diverging farther from the window pack at an upper section than at a lower section. Through mounting the angled piece of glass in the door as set forth above, a chimney effect is established for heat conducted through the door such that an attainable temperature at a front surface of the door is significantly reduced.