气动阻力相关的专利数据

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
181	SERVO-CONTROLLED PNEUMATIC PRESSURE OSCILLATOR FOR RESPIRATORY IMPEDANCE MEASUREMENTS AND HIGH-FREQUENCY VENTILATION	PCT/US2005/000134	2005-01-04	WO2005068005A1	2005-07-28	KACZKA, David, W.; LUTCHEN, Kenneth, R.
A pneumatic ventilation system delivers high amplitude, low frequency oscillatory flows while maintaining the load impedance at a specified mean pressure, thereby accurately controlling mean airway pressure, oscillation amplitude, and frequency content allowing use in applications to optimize high frequency ventilation protocols in patients. The pneumatic ventilation system includes a pneumatic pressure oscillator based on a proportional solenoid valve (20) to provide forced oscillatory excitations to a respiratory system over a bandwidth suitable for mechanical impedance measurements and high frequency ventilation.
182	Systems for positioning and linking motor vehicles to reduce aerodynamic drag	US12240580	2008-09-29	US08100426B2	2012-01-24	David Kronenberg
A system for linking two or more vehicles to achieve reduced aerodynamic drag while the vehicles are travelling on the road is disclosed. The disclosed system not only physically connects the vehicles but also allows the driver of the leading vehicle to monitor and control essential functions of the trailing vehicles. Preferably, the driving mechanisms of the trailing vehicles, such as throttles, brakes, and gears, are fully operational so as not to put excessive burden on the driving mechanisms of the leading vehicle. Methods for linking individual vehicles as well as streamlining the operation of a fleet of vehicles are also disclosed.
183	Outboard wake stabilization device and method for reducing the aerodynamic drag of ground vehicles	US12381049	2009-03-06	US20090236872A1	2009-09-24	Richard Wood
An improved method and device for the reduction of aerodynamic drag and for improved performance of vehicles by increasing the pressure on the base of the trailing vehicle or vehicle component by controlling the boundary layer as it exists the vehicle trailing edge. The subject invention consists of a multiple panels located near the base area of a bluff base vehicle. The flow control objectives are accomplished by positioning minimally sized panels comprising the invention in close proximity to the side and top surfaces of the vehicle, where the leading edge of each panel is positioned in close proximity to the trailing edge of the vehicle. The side panels comprising the invention are laterally positioned outboard of the side surface of the vehicle. The top panels are vertically positioned above the top surface of the vehicle.
184	American football incorporating boundary layer trip mechanisms to reduce aerodynamic drag	US13827067	2013-06-11	US09452322B2	2016-09-27	Robert T. Thurman; Kevin L. Krysiak
A football having a prolate spheroidal shape including longitudinally spaced apart first and second ends. The football is capable of being analyzed under computational fluid dynamics analysis, and includes upper and lower central regions. Each positioned between first and second upper and lower end regions, respectively. The football further includes a bladder, a cover, a plurality of boundary layer trip mechanisms coupled to the upper and/or lower central regions, and a lacing coupled to the upper central region. The analysis includes first and second configurations. The first configuration is conducted on the football with the trip mechanisms, and the second configuration is conducted on the football without the trip mechanisms. The first and second configurations provide first and second drag coefficients, respectively. The first coefficient is at least 3 percent lower than the second coefficient. The length of the upper and lower central regions is defined by the lacing.
185	Wing for an aircraft, aircraft and method for reducing aerodynamic drag and improving maximum lift	US13851330	2013-03-27	US09278753B2	2016-03-08	Daniel Reckzeh; Burkhard Goelling; Matthias Lengers
A wing for an aircraft includes a leading edge and a wing tip extension extending from an end of a main wing region to a wing tip. The wing tip extension includes an arrangement of openings at least from the end of a main wing region to the wing tip along the leading edge, which openings are connected to an air conveying device for conveying air through the openings. Thereby in flight states with a low flight velocity the flow around a wing tip extension can be harmonized such that the drag is decreased and the lift of the wing is increased.
186	Cross flow vortex trap device and method for reducing the aerodynamic drag of ground vehicles	US10914672	2004-08-10	US20050040668A1	2005-02-24	Richard Wood
An improved method and device for the reduction of aerodynamic drag and for improved performance of multiple component vehicles by reducing the pressure on the front face of the trailing vehicle or vehicle component by controlling the flow in the gap between the leading vehicle component and the trailing vehicle component. An improved method and device for generating a reduction in the drag force on a bluff face object moving through air. The apparatus consist of a plurality of forward extending surfaces that are positioned adjacent to one another on the forward facing surface of a bluff face object and are aligned parallel to the object center line and perpendicular to the local flow direction. The reduction in drag force results from the summation of a plurality of local reductions in drag force generated by the interaction of vortex structures emanating from the leading edges of the plurality of forward extending surfaces with the forward facing surface of a blunt face object. The objects and advantages also extend to other applications in which an object or vehicle is moving through either a gas or fluid.
187	Wheel cavity flow control device and method for reducing the aerodynamic drag of ground vehicles	US12378881	2009-02-20	US20090224597A1	2009-09-10	Richard Wood
The invention relates to the reduction of aerodynamic drag for moving ground vehicles; specifically to an improved method and device for the reduction of aerodynamic drag of ground vehicles by reducing the mass and velocity of the flow interacting with the cavity of a wheel. The flow passing around a ground vehicle imparts a drag force to the vehicle when it interacts with a wheel. The ground vehicle class of particular interest is a tractor-trailer truck system consisting of a motorized lead vehicle pulling one or more non-motorized vehicles. The subject invention is designed to control the flow from entering the cavity of a wheel from the side of a ground vehicle system.
188	Cross flow vortex trap device and method for reducing the aerodynamic drag of ground vehicles	US10914672	2004-08-10	US06986544B2	2006-01-17	Richard M. Wood
An improved method and device for the reduction of aerodynamic drag and for improved performance of multiple component vehicles by reducing the pressure on the front face of the trailing vehicle or vehicle component by controlling the flow in the gap between the leading vehicle component and the trailing vehicle component. An improved method and device for generating a reduction in the drag force on a bluff face object moving through air. The apparatus consist of a plurality of forward extending surfaces that are positioned adjacent to one another on the forward facing surface of a bluff face object and are aligned parallel to the object center line and perpendicular to the local flow direction. The reduction in drag force results from the summation of a plurality of local reductions in drag force generated by the interaction of vortex structures emanating from the leading edges of the plurality of forward extending surfaces with the forward facing surface of a blunt face object. The objects and advantages also extend to other applications in which an object or vehicle is moving through either a gas or fluid.
189	Device and method for making structured surfaces in pipes to reduce the aerodynamic drag	US11300493	2005-12-15	US20060141151A1	2006-06-29	Sebastien Duval; Yves Charron; Nicolas Gautreau
The invention relates to a method for making structured surfaces within pipes (1) lined with a coating and wherein fluids such as gas, hydrocarbons or water circulate. The invention consists in irreversibly deforming, during baking and/or drying, the coating internally applied by impression, via expandable means (16), for example a rubber bladder whose outer surface bears the structurations.
190	Methods for linking motor vehicles to reduce aerodynamic drag and improve fuel economy	US13165010	2011-06-21	US08738196B2	2014-05-27	David Kronenberg
Methods for linking two or more vehicles to achieve reduced aerodynamic drag while the vehicles are travelling on the road are disclosed. The disclosed methods utilize a dynamic linking system that not only physically connects the vehicles but also allows the driver of the leading vehicle to monitor and control essential functions of the trailing vehicles. Preferably, the driving mechanisms of the trailing vehicles, such as throttles, brakes, and gears, are fully operational so as not to put excessive burden on the driving mechanisms of the leading vehicle. Methods for linking individual vehicles as well as streamlining the operation of a fleet of vehicles are also disclosed.
191	Aerodynamic pseudocontainer for reducing drag associated with stacked intermodal containers	US12394609	2009-02-27	US08215239B2	2012-07-10	Michael E. Iden
Disclosed is an aerodynamic pseudocontainer for a train. The pseudocontainer is configured to be stacked atop an intermodal container in a lead container car at a lead end of the train, so that its aerodynamic configuration reduces drag when the train is in motion, thereby reducing fuel costs and emissions. The pseudocontainer may have connectors on its bottom so that when it is placed on top of the intermodal container, locking devices may be used for attachment.
192	Methods for Linking Motor Vehicles to Reduce Aerodynamic Drag and Improve Fuel Economy	US13165010	2011-06-21	US20110270520A1	2011-11-03	David Kronenberg
Methods for linking two or more vehicles to achieve reduced aerodynamic drag while the vehicles are travelling on the road are disclosed. The disclosed methods utilize a dynamic linking system that not only physically connects the vehicles but also allows the driver of the leading vehicle to monitor and control essential functions of the trailing vehicles. Preferably, the driving mechanisms of the trailing vehicles, such as throttles, brakes, and gears, are fully operational so as not to put excessive burden on the driving mechanisms of the leading vehicle. Methods for linking individual vehicles as well as streamlining the operation of a fleet of vehicles are also disclosed.
193	Methods for Linking Motor Vehicles to Reduce Aerodynamic Drag and Improve Fuel Economy	US12240557	2008-09-29	US20100082179A1	2010-04-01	David Kronenberg
Methods for linking two or more vehicles to achieve reduced aerodynamic drag while the vehicles are travelling on the road are disclosed. The disclosed methods utilize a dynamic linking system that not only physically connects the vehicles but also allows the driver of the leading vehicle to monitor and control essential functions of the trailing vehicles. Preferably, the driving mechanisms of the trailing vehicles, such as throttles, brakes, and gears, are fully operational so as not to put excessive burden on the driving mechanisms of the leading vehicle. Methods for linking individual vehicles as well as streamlining the operation of a fleet of vehicles are also disclosed.
194	Pneumatic tire having a body cord insert that reduces the rolling resistance of the tire	US09668509	2000-09-22	US06595256B1	2003-07-22	Carolyn W. Bernstorf; Jean-Yea Chen; Jie Jin; Masahiro Takayama; Hidetoshi Yokota
A pneumatic tire includes a body having a plurality of main body cords. The tire includes an upper section above the maximum section width and a lower section below the maximum section width. The modulus of the body cords is configured to be larger in the lower section than in the upper section. This modulus ratio decreases the rolling resistance of the tire. The increased modulus in the lower section is achieved by providing a body cord insert wrapped around the bead core and bead filler. The ends of the body cord insert are disposed against each other so that the entire bead filler is surrounded. The body cord insert extends substantially over the entire lower section of the tire.
195	Konzentrierender Reflektor für Sonnenstrahlung mit geringem aerodynamischen Widerstand und hohem aerodynamischen Auftrieb	EP80730068.6	1980-10-27	EP0050697A1	1982-05-05	Radebold, Reinhart, Dr.
Der Reflektor für Sonnenstrahlung mit grossem Konzentrationvermögen besteht aus einer verspiegelten und einer transparenten Folie die, an ihren Rändern gasdicht miteinander verbunden, in ein mit einer dichten Haut mindestens teilweise umhüllten Stützgerüst eingespannt, durch inneren Überdruck ein Kissen formen derart, dass die verspiegelte Folie, gegebenenfalls unterstützt durch Unterdruck im Raum des Stützgerüstes, in erster Näherung ein Paraboloid bildet, sowie aus einer Halterung für ein im Fokus des Paraboloides anzubringendes Absorbersystem für die konzentrierte Strahlung. Der Reflektor weist bei geringem aerodynamischen Widerstand eine hohe aerodynamische Stabilität und einen hohen aerodynamischen Auftrieb auf und bildet den Tragflügel eines Flugkörpers. Die konzentrierte Sonnenstrahlung wird in einem Photoreaktor oder auch über eine thermodynamische Maschine genutzt.
196	Aerodynamic pseudocontainers for reducing drag associated with stacked intermodal containers	US12940649	2010-11-05	US08511236B2	2013-08-20	Michael E. Iden
Disclosed is an aerodynamic pseudocontainer for a train. The pseudocontainer is configured to be stacked atop an intermodal container so that its aerodynamic configuration reduces drag when the train is in motion, thereby reducing fuel costs and emissions. The pseudocontainer may have connectors on its bottom so that when it is placed on top of the intermodal container, locking devices may be used for attachment. Also, a top portion and a support frame of the pseudocontainer include fittings with receiving openings configured to receive parts of a positioning device (e.g., a crane) to stack and align the body atop intermodal container. The fittings may be formed in accordance with ISO standards.
197	Flexible cross flow vortex trap device for reducing the aerodynamic drag of ground vehicles	US11341944	2006-01-03	US07318620B2	2008-01-15	Richard M. Wood
An improved device for the reduction of aerodynamic drag and for improved performance of multiple component vehicles by reducing the pressure on the front face of the trailing vehicle or vehicle component by controlling the flow in the gap between the leading vehicle component and the trailing vehicle component. An improved device for generating a reduction in the drag force on a bluff face object moving through air. The device consist of the application of a plurality of forward extending surfaces that are positioned adjacent to one another on the forward facing surface of a bluff face object and are aligned parallel to the object center line and perpendicular to the local flow direction. The reduction in drag force results from the summation of a plurality of local reductions in drag force generated by the interaction of vortex structures emanating from the leading edges of the plurality of forward extending surfaces with the forward facing surface of a blunt face object. The objects and advantages also extend to other applications in which an object or vehicle is moving through either a gas or fluid.
198	Flexible cross flow vortex trap device for reducing the aerodynamic drag of ground vehicles	US11341944	2006-01-03	US20070132276A1	2007-06-14	Richard Wood
An improved device for the reduction of aerodynamic drag and for improved performance of multiple component vehicles by reducing the pressure on the front face of the trailing vehicle or vehicle component by controlling the flow in the gap between the leading vehicle component and the trailing vehicle component. An improved device for generating a reduction in the drag force on a bluff face object moving through air. The device consist of the application of a plurality of forward extending surfaces that are positioned adjacent to one another on the forward facing surface of a bluff face object and are aligned parallel to the object center line and perpendicular to the local flow direction. The reduction in drag force results from the summation of a plurality of local reductions in drag force generated by the interaction of vortex structures emanating from the leading edges of the plurality of forward extending surfaces with the forward facing surface of a blunt face object. The objects and advantages also extend to other applications in which an object or vehicle is moving through either a gas or fluid.
199	Apparatus for reducing aerodynamic drag in system for air cooling a high power vacuum tube	US298737	1981-09-02	US4442373A	1984-04-10	Robert E. Klein
A high power vacuum tube 10 has a cylindrical body 16 and a plurality of radially extending fins 18. A cylindrical wall 20 is co-axially disposed about the body and the fins, thus defining an air channel between the body and the wall. To cool the tube, air is forced into the channel from an entry port, and leaves the channel through an exit port. The cooling capacity of the system is optimized by contouring the entry and exit ports to minimize aerodynamic drag. In one embodiment, the entry into the channel is flared outward and a cone assembly 42 is provided adjacent the longitudinal end of the body 16 nearest the exit port. This cone assembly thus forms a continuation of the body 16 which tapers to a smaller cross section in the direction of air flow. The cone assembly may be formed of a stack of discs 70 of successively smaller diameter. The exit port, which may have either rigid or flexible sidewalls, has a venturi shape to further reduce drag.
200	Segmented Skirt Aerodynamic Fairing Device for Reducing the Aerodynamic Drag of Ground Vehicles	US13478865	2012-05-23	US20120319428A1	2012-12-20	Richard Wood
A method and device for reducing aerodynamic drag and improving performance and stability of ground vehicles by reducing the mass and velocity of the flow passing under a vehicle is described. The device is suitable for use with a truck and trailer system but may also be applied to a single unit truck system or any combination vehicle that includes a motorized lead vehicle pulling one or more non-motorized vehicles. The device includes right forward and aft panels configured to attach to a lower right portion of the vehicle such that they extend downward from the undercarriage region. The device further includes left forward and aft panels configured to attach to a lower left portion of the vehicle such that they extend downward from the undercarriage region. The device minimizes and controls airflow entering the undercarriage region from the front and sides of the ground vehicle.

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