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    • 5. 发明授权
    • Systems and methods for control of engine exhaust flow
    • 用于控制发动机排气流量的系统和方法
    • US07823840B2
    • 2010-11-02
    • US11927257
    • 2007-10-29
    • Arvin ShmilovichYoram YadlinRobert D. Gregg, IIIRoger W. Clark
    • Arvin ShmilovichYoram YadlinRobert D. Gregg, IIIRoger W. Clark
    • B64C3/50
    • B64C21/04B64C9/38Y02T50/166
    • Coanda Effect and lift produced along a surface of an airfoil are increased by ducting compressed fluid from the engine to the surface of the airfoil. An engine produces exhaust gases that are predominantly directed toward an aft end of the aircraft by a cowling or other structure as an exhaust plume. One or more internal ducts extend from the engine to the surface of the airfoil to thereby transmit a compressed fluid from the engine to the surface in order to suppress flow separation along the surface, thereby causing the engine exhaust flow to remain attached to the surface over a wider span. Such structures and techniques may find particular use in aircraft designed to exploit upper surface blowing (USB) techniques and structures for short takeoff and landing (STOL) performance.
    • 通过将压缩流体从发动机引导到翼型件的表面,沿着翼型件的表面产生的附壁效应和升力增加。 发动机产生主要通过整流罩或其他结构作为排气羽流朝向飞行器的后端的废气。 一个或多个内部管道从发动机延伸到翼面的表面,从而将压缩的流体从发动机传递到表面,以便抑制沿着表面的流动分离,从而使发动机排气流保持附着在表面上 更宽的跨度 这种结构和技术可以在设计用于利用上表面吹风(USB)技术和用于短起飞和着陆(STOL))性能的结构的飞机中发现。
    • 7. 发明申请
    • SYSTEMS AND METHODS FOR DESTABILIZING AN AIRFOIL VORTEX
    • 用于减轻AIRFOIL VORTEX的系统和方法
    • US20090173835A1
    • 2009-07-09
    • US11370099
    • 2006-03-07
    • Arvin ShmilovichYoram YadlinRoger W. ClarkDonald H. Leopold
    • Arvin ShmilovichYoram YadlinRoger W. ClarkDonald H. Leopold
    • B64C23/06G05D1/00B64C3/00
    • B64C23/076B64C23/065Y02T50/164
    • Apparatuses and methods for the controlled trailing wake flows are disclosed. An apparatus in accordance with one embodiment is directed to an aircraft system that includes an airfoil having first and second oppositely facing flow surfaces and a tip. The system can further include a vortex dissipation device carried by the airfoil, with the vortex dissipation device including a fluid flow nozzle, a valve device, and a controller. The fluid flow nozzle can be coupleable to a source of pressurized fluid and can include an orifice positioned to direct a flow of fluid outwardly from the tip. The valve device can be coupled in fluid communication with the fluid flow nozzle to selectively control the flow passing through the orifice. The controller can be coupled to the valve device to direct the operation of the valve device. Accordingly, the vortex dissipation device can be activated to accelerate the rate at which vortices (e.g., wing tip vortices) dissipate after they are generated.
    • 公开了用于受控拖尾尾流的装置和方法。 根据一个实施例的装置涉及一种飞行器系统,其包括具有第一和第二相对面向的流动表面和尖端的翼型件。 该系统还可以包括由翼型件携带的涡流消散装置,涡流消散装置包括流体流动喷嘴,阀装置和控制器。 流体流动喷嘴可以耦合到加压流体源,并且可以包括定位成将流体流从尖端向外引导的孔。 阀装置可以与流体流动喷嘴流体连通地联接,以选择性地控制通过孔口的流动。 控制器可以联接到阀装置以引导阀装置的操作。 因此,可以启动涡流消散装置以加速涡流(例如,翼尖涡流)在其产生之后消散的速率。
    • 9. 发明授权
    • Systems and methods for destabilizing an airfoil vortex
    • 使翼型涡流不稳定的系统和方法
    • US07661629B2
    • 2010-02-16
    • US11370099
    • 2006-03-07
    • Arvin ShmilovichYoram YadlinRoger W. ClarkDonald H. Leopold
    • Arvin ShmilovichYoram YadlinRoger W. ClarkDonald H. Leopold
    • B64C23/00B64C21/04
    • B64C23/076B64C23/065Y02T50/164
    • Apparatuses and methods for the controlled trailing wake flows. An apparatus in accordance with one embodiment is directed to an aircraft system that includes an airfoil having first and second oppositely facing flow surfaces and a tip. The system can further include a vortex dissipation device carried by the airfoil, with the vortex dissipation device including a fluid flow nozzle, a valve device, and a controller. The fluid flow nozzle can be coupleable to a source of pressurized fluid and can include an orifice positioned to direct a flow of fluid outwardly from the tip. The valve device can be coupled in fluid communication with the fluid flow nozzle to selectively control the flow passing through the orifice. The controller can be coupled to the valve device to direct the operation of the valve device. Accordingly, the vortex dissipation device can be activated to accelerate the rate at which vortices (e.g., wing tip vortices) dissipate after they are generated.
    • 用于受控拖尾尾流的装置和方法。 根据一个实施例的装置涉及一种飞行器系统,其包括具有第一和第二相对面向的流动表面和尖端的翼型件。 该系统还可以包括由翼型件携带的涡流消散装置,涡流消散装置包括流体流动喷嘴,阀装置和控制器。 流体流动喷嘴可以耦合到加压流体源,并且可以包括定位成将流体流从尖端向外引导的孔。 阀装置可以与流体流动喷嘴流体连通地联接,以选择性地控制通过孔口的流动。 控制器可以联接到阀装置以引导阀装置的操作。 因此,可以启动涡流消散装置以加速涡流(例如,翼尖涡流)在其产生之后消散的速率。
    • 10. 发明授权
    • Active systems and methods for controlling an airfoil vortex
    • 用于控制翼型涡流的主动系统和方法
    • US08016244B2
    • 2011-09-13
    • US11747112
    • 2007-05-10
    • Arvin ShmilovichYoram YadlinRoger W. Clark
    • Arvin ShmilovichYoram YadlinRoger W. Clark
    • B64C23/06
    • B64C23/076B64C23/065Y02T50/164
    • Active systems and methods for controlling aircraft vortices are disclosed. An apparatus in accordance with one embodiment is directed to an aircraft system that includes an airfoil having first and second oppositely facing flow surfaces and a tip. The system can further include a vortex dissipation device carried by the airfoil, with the vortex dissipation device including an orifice positioned to direct a flow of fluid outwardly from the tip, an actuator operatively coupled to the fluid flow orifice and positioned to change a manner in which flow is directed outwardly from the tip, and a controller operatively coupled to the actuator to direct the operation of the actuator. The vortex dissipation device can be activated to accelerate the rate at which vortices (e.g., wing tip vortices) dissipate after they are generated, for example, by alternately pulsing flow inwardly and outwardly through the fluid flow orifice.
    • 公开了用于控制飞行器旋涡的主动系统和方法。 根据一个实施例的装置涉及一种飞行器系统,其包括具有第一和第二相对面向的流动表面和尖端的翼型件。 该系统还可以包括由翼型件承载的涡流耗散装置,其中涡流消散装置包括定位成将流体流从尖端向外引导的孔口,致动器可操作地联接到流体流动孔口并且定位成改变 该流动从尖端向外指向,并且控制器可操作地联接到致动器以引导致动器的操作。 涡流消散装置可以被激活以加速涡流(例如,翼尖涡流)在其产生之后消散的速率,例如通过交替地脉冲流动通过流体流动孔口向内和向外流动。