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9241results about How to "Increase flow rate" patented technology

Cooling structure an electric vehicle

An electric vehicle includes plurality of batteries accommodated in a rear portion of a battery box, and an electric part is accommodated in an electric part accommodating chamber provided in a front portion of the battery box. Cooling air supplied from a cooling fan to the rear portion of the battery box cools the batteries having a large thermal resistance, while being passed through a first cooling air passage around outer peripheries of the batteries at a low flow rate. A second cooling air passage having a smaller sectional area than that of the first cooling air passage is provided below the electric part accommodating chamber, and cooling fins protruding downwards from the electric part are exposed within the second cooling air passage. The second cooling air passage extends continuously the first cooling air passage in a downstream direction of airflow, so that cooling air which has first cooled the batteries then cools the electric part having a smaller thermal resistance, while being passed through the second cooling air passage at a higher flow rate than that in the first cooling air passage.
Owner:HONDA MOTOR CO LTD

Apparatus and methods for treating congestive heart disease

Methods and apparatus are provided for treating congestive heart by actively or passively enhancing perfusion to the renal arteries. A first embodiment comprises a specially configured balloon catheter and extracorporeal pump, wherein the pump operates in a “once-through” fashion or alternating volume displacement mode. In another embodiment the catheter includes a pair of balloons to isolate a region of the aorta, and a third balloon that directs flow into the renal arteries. In still further embodiments, a stent or cuff having a constricted region is deployed in or around the aorta, respectively, to create a backpressure upstream of the stent or cuff. Methods of enhancing renal perfusion also are provided.
Owner:LIBRA MEDICAL SYST

Air removal unit

ActiveUS20070171613A1Quickly and easily installReduce air resistance and air turbulenceCooling/ventilation/heating modificationsElectrical apparatus casings/cabinets/drawersExhaust fumesAirflow
An air removal unit configured for removing exhaust air from an equipment rack or enclosure includes multiple fans to achieve a high airflow capacity while defining a compact and portable structure. The unit removably installs along an exhaust side of an equipment rack or enclosure to provide capabilities for managing the thermal output of equipment, such as servers, CPUs, communications, internetworking and other types of equipment. The unit includes one or more upper fan modules and one or more lower fan modules positioned below the upper fan modules. The upper and the lower fan modules are arranged in a stacked configuration along the depth of the unit with the lower fan modules positioned in an offset orientation relative to the upper fan modules. The stacked configuration and the offset orientation of the fan modules help to incorporate multiple fans with the unit while maintaining the compact and portable design. The unit is further configured to serve as a door of an equipment rack or enclosure to thereby provide access to the unit and the rack or enclosure during operation. The unit can be incorporated with a ventilation system or a cooling air system associated with an equipment room or data center.
Owner:AMERICA POWER CONVERSION CORP

High performance flow battery

High performance flow batteries, based on alkaline zinc / ferro-ferricyanide rechargeable (“ZnFe”) and similar flow batteries, may include one or more of the following improvements. First, the battery design has a cell stack comprising a low resistance positive electrode in at least one positive half cell and a low resistance negative electrode in at least one negative half cell, where the positive electrode and negative electrode resistances are selected for uniform high current density across a region of the cell stack. Second, a flow of electrolyte, such as zinc species in the ZnFe battery, with a high level of mixing through at least one negative half cell in a Zn deposition region proximate a deposition surface where the electrolyte close to the deposition surface has sufficiently high zinc concentration for deposition rates on the deposition surface that sustain the uniform high current density. The mixing in the flow may be induced by structures such as: conductive and non-conductive meshes; screens; ribbons; foam structures; arrays of cones, cylinders, or pyramids; and other arrangements of wires or tubes used solely or in combination with a planar electrode surface. Third, the zinc electrolyte has a high concentration and in some embodiments has a concentration greater than the equilibrium saturation concentration—the zinc electrolyte is super-saturated with Zn ions.
Owner:APPLIED MATERIALS INC

Electrosurgical tool

An electrosurgical tool for cauterizing or ablating targeted tissue, which tool includes a conductive outer shaft which defines a return or reference electrode, and a conductive inner tube disposed within the outer shaft. The inner tube defines both a suction pathway for removing fluid and / or surgical debris from the surgical site through the distal end of the tool, and a pathway for delivering electrical energy to an active electrode secured to the distal end of the suction tube.
Owner:STRYKER CORP

Downhole gas-liquid separation device and working method thereof

A downhole gas-liquid separation device comprises a barrel-shaped body, and a positioning wheel is fixedly installed in the body. A rotatable swirling wheel is installed on the positioning wheel and provided with spiral wheel blades, and the positioning wheel is provided with fluid channels. A lower connector is connected to the body, a diverting joint is arranged at the inner end, located in an inner cavity of the body, of the lower connector, a gas outlet channel is formed in the center of the diverting joint in a coaxial mode, and the outer side of the diverting joint is provided with liquid drainage channels. An interval is formed between the swirling wheel and the diverting joint. The downhole gas-liquid separation device is small in part number, simple in structure and lower in cost; the swirling wheel is driven to rotate when liquid passes through the swirling wheel to enable the liquid to generate centrifugal force and swirlingly flow in the inner cavity in the mode of being attached to the wall, the liquid in gas is gathered to the center, and then the liquid and the gas flow out through the liquid drainage channels formed in the outer side and the gas outlet channel formed in the center respectively, so that gas and liquid separation is achieved; accordingly, the liquid sent to a motor does not contain the gas, damage to the motor is avoided, and the service life of the motor is prolonged.
Owner:JEREH ENERGY SERVICES

Replaceable universal atomizing head

The present invention discloses a replaceable universal atomizing head, wherein the heating device is fixed in the atomizing chamber of the support base, and said liquid guiding member comprises a liquid guiding rope, a liquid guiding nozzle and a liquid guiding nozzle seat connected integrally with the liquid guiding nozzle, wherein one end of the liquid guide rope pierced from the liquid guiding nozzle seat and reaches heating device, further comprising a conductive ring, wherein said support base is fixed in the middle of the conductive ring cavity, pressing a wire connected to one end of the heating device between the conductive ring and the support base; the wall surface of the inner hole of the liquid nozzle and the liquid guiding nozzle seat provides a liquid guiding slot; one end of the liquid guiding nozzle seat is inserted into one end of the conductive ring cavity; the other end of conductive ring cavity provides a conductive member, which comprises a conductor and an insulator, wherein the conductor is fixed on the insulator and welds with wire connected to the other end of the heating device, wherein the insulator with vent holes is fastened in the conductive ring cavity. Atomizing head of the present invention has a simple structure, is easy to assemble, and is able to prevent dry combustion.
Owner:JOYETECH CHANGZHOU ELECTRONICS
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