48results about How to "Reduce traffic requirements" patented technology

A massage device for massaging a body part of a person in an unsupervised and unattended setting. The massage device includes a garment, shaped to provide a snug fit and having a plurality of bladders arranged along the garment to massage the body part. An inflation assembly supplies fluid pressure to each of the bladders to inflate the respective bladders. The bladders may have approximately the same inflated volume thereby equalizing the inflation volume of the respective bladders whereby substantially even inflation timing, with substantially even applied pressure, and, thus, overall smooth massage dynamics may be provided without overly complicated inflation fluid control (e.g., an inflation assembly which supplies a substantially constant inflation capacity to each of the bladders). The garment may include a pocket having an opening communicating with the respective bladders and tubing from the inflation assembly extends into this pocket. The inflation assembly may provide throttled deflation flow, tapered inflation/deflation patterns, and/or a zone selector which allows a user to select a certain zone of the garment.

A distributed virtual environment includes one or more entities represented in the virtual environment by at least a conceptual entity-model, a dynamic entity-model and a visual entity-model each of the entity models being mutually independent. A server provides a conceptual-model manager, arranged to provide conceptual entity-models, one or more dynamic-model managers arranged to provide dynamic entity-models, and one or more client apparatuses arranged to provide a visual-model manager arranged to provide visual entity-models. Communications is arranged to allow transmission of messages between the conceptual-model manager, one or more dynamic-model managers and one or more visual-model managers.

A system for delivering a pressurized flow of breathable gas to a patient includes a patient interface configured to contact the patient's head. The patient interface includes a frame, a cushion supported by the frame and configured to sealingly connect the patient interface to the patient's face and form a chamber between the frame and the wearer's face, and an inlet port in the frame to receive the pressurized flow of breathable gas. A flow generator is configured to generate the pressurized flow and is capable of creating a pressure of about 2-40 cm H₂0 in the chamber. A flow generator housing is provided to house the flow generator. The flow generator housing is mounted on the patient interface and configured to reduce the transmission of vibration and/or noise generated by the flow generator to the patient interface.

We describe the use of a flow directing apparatus for incorporation into a patient mask or adjacent to it and for use with a source of pressurized breathable gas such as electronically or electronically controlled fan blower or positive displacement ventilator to provide nasal or oro-nasally administered continuous positive airway pressure or bi level therapies. Such therapies are commonly used to treat sleep disordered breathing including sleep apnea and other syndromes, as well as ventilatory insufficiency. The valve apparatus includes means to direct expired air to atmosphere and inspired air from a pressure source to a user's airway. In this way advantage is provided compared to alternative means as described in the prior art which vent a user's expired gas to atmosphere through a fixed open vent.

An energy efficient oxygen concentrator in which a compressor applies pressurized air to at least two gas separating elements which will pass a flow of oxygen while blocking a flow of nitrogen. The gas separating elements are alternately cycled between a gas separating mode for producing oxygen enriched gas and a purge mode for purging nitrogen from the elements. According to the invention, the speed of the cycle time is increased as the oxygen enriched gas flow requirement is decreased below the maximum concentrator output. The higher cycle speed reduces the maximum compressor pressure to reduce energy consumption.

A turbine airfoil having walls with radial extending near wall cooled vortex flowing channels to provide for a high cooling effectiveness with a low cooling flow requirement. A thermal skin is bonded over a main spar in which skewed ribs extend from both the spar and the thermal skin to form a vortex flowing path along the radial channels. The vortex flowing radial channels can be single pass radial channels or connected to form a 3-pass serpentine flow circuit with tip holes to discharge the cooling air from the radial channels and cool the blade tip periphery.

A turbine airfoil with a leading edge cooling air supply channel located along the leading edge region of the airfoil to supply cooling air from an outside source and a series of serpentine flow cooling circuits positioned along the leading edge of the airfoil connected to the cooling supply channel to pass cooling air through the series of serpentine passages in a direction from the airfoil root to the airfoil tip. The series of serpentine circuits includes legs on the pressure side and the suction side of the leading edge. Cooling air from the supply channel is metered into the first leg of the serpentine circuit located near the root, flows through a series of serpentine circuits along the leading edge of the airfoil, and flows out to the tip through a tip hole in the last leg of the last serpentine circuit.

An integrated thermal barrier coating and cooling flow metering plate for a turbine vane are disclosed. On an existing vane design, the thickness of the thermal barrier coating is increased in order to provide more thermal protection around the vane material itself. The increased insulation around the vane allows the volume of cooling air flow to be reduced, while still maintaining the vane temperature within specification. The reduced cooling air flow is obtained by adding a flow metering plate at the inlet of a vane trailing edge cooling circuit, thereby increasing turbine efficiency via reduced cooling air flow requirements, while allowing an existing vane casting design to be used.

Environmental regulation by government is structurally incapable of satisfying its mandate. The present invention is an alternative, free-market management system designed to deliver a superior product, at lower cost, with an insured guarantee, and without regulatory oversight by government. The system uses an insured, certified best-practice form of process certification that objectively accounts the financial value of ecosystem resources. The conduct of practice within the system accounts the price of assets at risk and characterizes their function by which to market them for their ability to offset the environmental impacts of industrial, commercial, and residential activities.

A heat exchanger which is adapted to an existing water tank to allow it to be heated or cooled using a hot or cold toxic or non-toxic liquid. Solar collectors, other heat sources and heat pumps can provide hot or cold liquids. To transfer this heat economically to an existing hot water tank requires a simple, efficient, heat exchanger, which can be easily adapted to the existing tank. The invention recited fills this need by simply screwing into the existing hot or cold water tank and allows heat or cold to be added or extracted via a simple fluid loop which is double wall isolated for toxic and non-toxic heat exchange fluids.

In accordance with the present invention, there is provided a mask for achieving positive pressure mechanical ventilation (inclusive of CPAP, ventilator support, critical care ventilation, emergency applications), and a method for a operating a ventilation system including such mask. The mask of the present invention includes a piloted exhalation valve that is used to achieve the target pressures/flows to the patient. The pilot for the valve may be pneumatic and driven from the gas supply tubing from the ventilator. The pilot may also be a preset pressure derived in the mask, a separate pneumatic line from the ventilator, or an electro-mechanical control. Additionally, the valve can be implemented with a diaphragm or with a flapper.

A method for the use of hybrid technology to control lean NOx trap (LNT) and particulate filter regenerations using an electric motor wherein for the LNT (a) the electric motor is adapted to absorb torque excursions of the engine during regeneration of the LNT, (b) wherein the electric motor is adapted to add torque to thereby reduce the air required in the engine and to thereby reduce the amount of fuel needed to regenerate the LNT, or (c) both (a) and (b), or wherein for the particulate filter the electric motor is (a) adapted to load the engine to thereby increase the exhaust temperature to thereby facilitate regeneration of the particulate filter, (b) adapted to use a power source for the electric motor to power an electrically powered particulate filter regeneration unit to thereby facilitate regeneration of the particulate filter, or (c) both (a) and (b).

A polymer electrolyte membrane fuel cell water management device is provided. The device includes a hydrophilic water transport element spanning from inside the fuel cell to outside the fuel cell and disposed between a gas diffusion layer and a current collector layer in the cell. The transport element includes an intermediate wick outside the fuel cell that is hydraulically coupled to the transport element, and has a transport element structure integrated with a flow field structure within the fuel cell. The device further includes an electroosmotic pump, where the pump is located outside the fuel cell and is hydraulically coupled to the intermediate wick. The hydraulically coupled pump actively removes excess water from the flow field structure and the gas diffusion layer through the transport element, where a key aspect of the invention is the decoupling of water removal from oxidant delivery and reduced parasitic loads.

The invention provides an electrolytic grinding device capable of realizing rotary solution feeding and a working method thereof. The electrolytic grinding device comprises a motorized spindle stator and a motorized spindle rotor. A blind hole is formed inside the end, extending outside, of the motorized spindle rotor, the lower end of the motorized spindle rotor is connected with a conductive grinding wheel through a clamping device, a plurality of through holes are formed in the radial direction of the motorized spindle rotor, and a first sealing ring and a second sealing ring are arranged above and below the through holes respectively for sealing the same. An outer cover is arranged on the outer side of the motorized spindle rotor, and middle holes are formed in positions, corresponding to the through holes, of the outer cover. A first bearing and a second bearing are arranged between the motorized spindle rotor and the outer cover. An electrolyte solution passes through the middle holes of the outer cover, enters the inside blind hole from the through holes of the end, extending outside, of the motorized spindle rotor, and then passes a center hole of the clamping device to outflow around from clearances of the conductive grinding wheel and a workpiece. The electrolytic grinding device is low in requirement on pressure and flow of the electrolyte solution, good in solution feeding effect, and particularly suitable for electrolytic grinding of workpieces such as inner holes and inner cavities in special geometrical shapes.

The invention relates to the field of machining devices, in particular to an inverted type drilling machine and an operating method for machining fine drill holes. The inverted type drilling machine comprises a base, a stand column, a feed supporting plate, a guide sleeve, a drill rod box and a drilling tool. A cooling hole of the drilling tool is a through hole. The cooling hole of the drilling tool and an inner hole of the drill rod box are located on the same center line during installation. A motor used for driving the drill rod box to rotate is arranged in the base. The inverted type drilling machine and the operating method for machining fine drill holes have the beneficial effects that the drilling tool is perpendicularly installed on the drill rod box, the direction of the gravity of the drilling tool coincides with the direction of a drill hole, the situation that deflection of the drill hole is caused under the effect of the gravity of a drill bit is avoided, and the machining precision can be improved easily; and the drilling tool is perpendicularly installed on the drill rod box, scrap iron generated in the drilling process can automatically fall to be discharged from a V-shaped groove of the drill bit under the effect of self weight, the requirements for the oil supply pressure and flow of a cooling system are lowered correspondingly, heat dissipation in the drilling process is facilitated, and energy can be saved easily.

In accordance with the present invention, there is provided a mask for achieving positive pressure mechanical ventilation (inclusive of CPAP, ventilator support, critical care ventilation, emergency applications), and a method for a operating a ventilation system including such mask. The mask of the present invention includes a piloted exhalation valve that is used to achieve the target pressures/flows to the patient. The pilot for the valve may be pneumatic and driven from the gas supply tubing from the ventilator. The pilot may also be a preset pressure derived in the mask, a separate pneumatic line from the ventilator, or an electro-mechanical control. Additionally, the valve can be implemented with a diaphragm or with a flapper.

The invention discloses an energy conservation and emission reduction circulating air system of a spraying chamber. The energy conservation and emission reduction circulating air system comprises a spraying production line, a circulating system and a fresh air system, wherein the spraying production line comprises a manual pretreatment section, a machine spraying section, an inspection section anda leveling section; a part of exhaust air of the machine spraying section, exhaust air of the inspection section, and exhaust air of the leveling section enter an inlet of the circulating system andare exhausted into the machine spraying section after exhaust air is filtered by the circulating system and temperature and humidity are adjusted; the other part of exhaust air of the machine sprayingsection is exhausted after follow-up treatment; exhaust air of the manual pretreatment section is directly exhausted to the machine spraying section; and the fresh air system sucks external fresh air, and external fresh air is exhausted to the manual pretreatment section, the machine spraying section, the inspection section and the leveling section after external fresh air is filtered and temperature and humidity are adjusted. According to the energy conservation and emission reduction circulating air system, the utilization rate of exhaust air of the spraying chamber can be effectively increased, energy consumption is greatly reduced, and energy conservation and emission reduction are achieved.

The invention discloses a medical device implantation unit which comprises a state control module used for adjusting the position of a moving element so as to control the working state of a medical device; the stay wire control module is used for pulling a stay wire to adjust the angle of an upper clamping piece of the medical instrument; the stay wire control module comprises an integrated stay wire element, and the integrated stay wire element comprises a sheath tube and a stay wire tube; wherein the stay wire tube extends out of the end portion of the sheath tube and extends along the axis of the sheath tube, the sheath tube and the stay wire tube are integrally formed, an inner hole of the stay wire tube is axially communicated with a first inner hole of the sheath tube, and the stay wire is arranged in the inner hole in a penetrating mode. According to the invention, an integrated stay wire element design scheme is adopted, i.e., the sheath tube and the stay wire tube are integrally manufactured, so that a gap caused by a fixed connection process between the sheath tube and the stay wire tube is effectively avoided, the problem of leakage of gas in an emptying process is finally avoided, air in an instrument can be efficiently and conveniently exhausted, the risk of gas embolism is eliminated, and the safety of the instrument is improved. And the gas discharge speed is accelerated.

The invention discloses a hydraulic system for a loading test. The hydraulic system for the loading test comprises a motor, an oil feeding unit, a load ratio unit, a low-pressure cooling unit and an oil tank. The hydraulic system is easy to change the load, easy to control, stable in test performance, excellent in generality and low in investment cost.

System that includes a web server (2) enabling the user to access, from a remote computer (5), several nodes (1) that include a primary node server (11), which is connected to: —a management database (12); —at least one PABX (13), —at least one video server (14); —and a number of representative rooms (15), where there is a telephone terminal (16) connected to one of the PABXs (13) and a webcam (17) or video camera connected to one of the video servers (14), enabling two-way voice transmission between the representative and the user, by means of telephone communication through the telephone terminal (16) and the telephone (4), and one-way transmission of video images from the webcam (17) to the user's remote computer (5).

The invention relates to a coal fired boiler novel combustion system. The coal fired boiler novel combustion system comprises a boiler and further comprises a steam outlet pipe and a flue which are connected with the boiler. The flue is connected with a chimney, and a pipeline between the flue and the chimney is provided with a hot air generator, a water steam generator, an air blower, a smoke treatment device and an induced draft fan. The hot air generator is connected with the air blower and an air inlet pipe of the boiler. The water steam generator is connected with the air inlet pipe of the boiler. The pipeline between the flue and the chimney is provided with the water steam generator, waste heat of smoke is utilized for converting water into the steam state from the liquid state, thewater steam is connected with the air inlet pipe of the boiler, and accordingly, the content of water steam in the boiler is increased. The water steam is used for adsorbing oxygen molecules in air,the oxygen content in the boiler is increased, sufficient combustion of fuel is guaranteed, accordingly, the oxygen content in smoke is reduced, and energy is saved; and waste heat of the smoke is utilized for heating air entering the boiler, and heat consumption of the boiler is reduced.

The present invention relates to a method for advancing the spark timing of a spark-ignited internal combustion engine, the method comprising lubricating the spark-ignited internal combustion engine with a lubricating composition comprising base oil and an anti-knock additive, wherein the anti-knock additive is an aromatic amine.