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    • 2. 发明申请
    • COMPRESSED NATURAL GAS VEHICLE SAFETY SYSTEM AND METHOD
    • 压缩天然气车辆安全系统和方法
    • WO2017124051A1
    • 2017-07-20
    • PCT/US2017/013600
    • 2017-01-14
    • McNICHOLAS, Daniel
    • McNICHOLAS, Daniel
    • B60K28/00B67D7/32B64D37/30B64D37/32
    • B60K28/00B64D37/32
    • A multiply-redundant system that prevents a driver from starting and/or moving a vehicle if a compressed natural gas fill system is not correctly and completely disconnected from the vehicle. One or more sensors in combination with one or more optional microswitches combine to lock-out the vehicle's ignition or otherwise prevent it from starting and/or moving. For different levels of safety, different combinations of sensors can be used with the lowest level having a single proximity sensor sensing the presence or absence of a high-pressure fill hose. Also a multiply-redundant system that protects fueling of rockets, aircraft and other vehicles using Liquefied Natural Gas (LNG) along with an oxidizer such as Liquefied Oxygen. One or more sensors in combination with one or more optional microswitches combine to detect any leaks, fire or explosion hazards quickly locking out further fueling. For different levels of safety, different combinations of sensors can be used.
    • 如果压缩天然气加注系统未正确完全与车辆断开连接,则可防止驾驶员启动和/或移动车辆的多重冗余系统。 一个或多个传感器与一个或多个可选微动开关组合可以锁定车辆的点火或阻止其启动和/或移动。 对于不同的安全等级,可以使用不同的传感器组合,最低等级具有单个接近传感器来感测是否存在高压加注软管。 此外还有一个多重冗余系统,可以保护使用液化天然气(LNG)和氧化剂(如液化氧)的火箭,飞机和其他车辆的燃料。 一个或多个传感器与一个或多个可选微动开关相结合,可以检测到任何泄漏,火灾或爆炸危险,从而迅速锁定进一步加油。 对于不同的安全等级,可以使用不同的传感器组合。
    • 4. 发明申请
    • AIRCRAFT FUEL SYSTEM
    • 飞机燃油系统
    • WO2017080854A1
    • 2017-05-18
    • PCT/EP2016/076145
    • 2016-10-28
    • EATON LIMITED
    • WOOD, John
    • B64D37/32
    • B64D37/32Y02T50/44
    • An aircraft fuel system comprising at least one fuel tank; a source of inerting gas; an inlet for introducing the inerting gas into the at least one fuel tank; and a vent system arranged to allow the inward and outward venting of air from the fuel tank, wherein the vent system comprises: a vent; an inward vent pressure valve disposed between the vent and the at least one fuel tank and configured to enable the at least one fuel tank to increase by a predetermined pressure over ambient air pressure; and an outward vent pressure valve disposed between the at least one fuel tank and the vent and configured to enable the at least one fuel tank to decrease by a predetermined pressure below ambient air pressure.
    • 一种飞机燃料系统,其包括至少一个燃料箱; 惰性气体的来源; 用于将惰化气体引入至少一个燃料箱的入口; 以及排气系统,所述排气系统布置成允许从所述燃料箱向内和向外排出空气,其中所述排气系统包括:排气口; 设置在所述通风口和所述至少一个燃料箱之间的向内排气压力阀,所述向内排气口压力阀构造成使所述至少一个燃料箱能够相对于环境空气压力增加预定压力; 以及设置在所述至少一个燃料箱和所述通风口之间并构造成使所述至少一个燃料箱能够降低低于环境空气压力的预定压力的向外排气压力阀。
    • 6. 发明申请
    • AIRCRAFT REFUELING SAFETY SYSTEM
    • 飞机补救安全系统
    • WO2016115011A3
    • 2016-10-13
    • PCT/US2016012804
    • 2016-01-11
    • FLITELOGIX LLC
    • DUNN WALTER LEHMER JRUNRAU CHAD JAMESTINDELL VERNON LEEHANKE THOMAS WALTER
    • B64D37/32
    • B64D37/32B64D37/16B64F1/28B67D7/348
    • A system ensures the correct type of fuel is dispensed in an aircraft while removing the introduction of human error in the refueling process. The system includes an RFID tag disposed at one or more aircraft that electronically stores data such as engine type, engine hours, fuel type, tail number, and pilot/subscriber data for the aircraft on which the RFID tag is disposed. An RFID reader is disposed at or near a fuel dispensing mechanism, such as a fuel truck or tank. A signal indicative of fuel type is emitted from the RFID tag to the RFID reader. RFID tags on aircraft that are enrolled in the system's subscription service enable aircraft to be recognized by a module operating the fuel dispensing mechanism. Based on a comparison performed by the module, authorization to begin fueling is either permitted or declined.
    • 系统确保在飞机中分配正确类型的燃料,同时消除在加油过程中引入人为错误。 该系统包括设置在一个或多个飞行器处的RFID标签,其电子存储用于其上设置有RFID标签的飞行器的数据,例如发动机类型,发动机小时,燃料类型,尾数以及飞行员/订户数据。 RFID读取器设置在诸如燃料卡车或罐的燃料分配机构处或附近。 指示燃料类型的信号从RFID标签发射到RFID读取器。 登记在系统订阅服务中的飞机上的RFID标签使飞机能够被操作燃料分配机构的模块识别。 根据模块进行的比较,允许或拒绝开始加油的授权。
    • 8. 发明申请
    • BAFFLE
    • 导流板
    • WO2015170095A1
    • 2015-11-12
    • PCT/GB2015/051328
    • 2015-05-06
    • BAE SYSTEMS PLC
    • BINGHAM, Christopher, StevenIRWIN, Andrew, James
    • B64D37/06B64D37/08B64D37/32B60K15/03F41H5/04
    • B64D37/32B60K15/03B60K15/077B60K2015/03407B60K2015/0344B60K2015/0777B60Y2200/51B64D37/08B64D2037/325F41H5/0492
    • BAFFLE Disclosed is a baffle (40) for locating in a tank (16) for containing liquid (e.g. an aircraft fuel tank). The baffle (40) is a tubular member through which a liquid may flow. The baffle (40) comprises: a first tubular portion (42) providing a tubular outer wall, and a second tubular portion (44) located within the first tubular portion (42) and providing a tubular inner wall. The first and second tubular portions (42, 44) are substantially parallel. The first and second tubular portions (42, 44) are spaced apart to define a chamber (46)therebetween. The baffle (42, 44) further comprises radial side walls between the first and second tubular portions (42, 44) such that the chamber (46) is a sealed chamber. The chamber (46) may be filled with a compressible gas or gaseous mixture. (Figure 5)
    • BAFFLE公开了一种用于定位在用于容纳液体(例如飞机燃料箱)的罐(16)中的挡板(40)。 挡板(40)是液体可以流过的管状构件。 挡板(40)包括:提供管状外壁的第一管状部分(42)和位于第一管状部分(42)内并提供管状内壁的第二管状部分(44)。 第一和第二管状部分(42,44)基本上平行。 第一和第二管状部分(42,44)间隔开以在其间限定一个腔室(46)。 挡板(42,44)还包括在第一和第二管状部分(42,44)之间的径向侧壁,使得室(46)是密封室。 腔室(46)可以填充有可压缩气体或气体混合物。 (图5)
    • 10. 发明申请
    • METHOD FOR DETECTING A FAILURE IN A FUEL RETURN VALVE OF AN AIRCRAFT ENGINE FUEL CIRCUIT
    • 检测飞机发动机燃油电路燃油回流阀故障的方法
    • WO2015063401A3
    • 2015-09-11
    • PCT/FR2014052724
    • 2014-10-27
    • SNECMA
    • VEYRAT-MASSON ANTOINEGOMES NICOLASMOTTET LAURANNE
    • B64D37/00B64D37/14B64D37/32
    • F02C7/232B64D37/00B64D37/005B64D37/14B64D37/32F05D2260/80
    • The invention concerns a method for detecting a failure in a fuel return valve of an aircraft engine fuel circuit, said fuel circuit comprising: a fuel tank (10); an engine fuel system (20) connected to the fuel tank (10), said fuel system comprising a high-pressure pump (21) delivering a flow rate Q, depending on an engine speed of said engine, to an actuating cylinder (23) capable of actuating variable geometries, a cutoff valve (22) capable of feeding the actuating cylinder and disposed in a feed pipe (28) feeding the engine; a fuel return pipe (2) connected, on the one hand, downstream of the high-pressure pump (21) and upstream of the cutoff valve (22) and, on the other, to the fuel tank (10); a fuel return valve (30) arranged to switch between an open position and a closed position, said fuel return valve (30), in the closed position, being capable of blocking the fuel return pipe (2) and, in the open position, of bringing the fuel return pipe into communication with the fuel tank (10); the method comprising the following steps performed in a computer (28): starting (E1) the engine at an engine speed NO; increasing (E3) the engine speed until flow rate Q reaches a predefined value QO sufficient for opening the cutoff valve; measuring (E4, E5) the position of the actuating cylinder and engine speed N corresponding to the opening of said cutoff valve (22).
    • 本发明涉及一种用于检测飞机发动机燃料回路的燃料回流阀故障的方法,所述燃料回路包括:燃料箱(10); 连接到所述燃料箱(10)的发动机燃料系统(20),所述燃料系统包括高压泵(21),所述高压泵将所述发动机的发动机速度的流量Q传递给致动缸(23) 能够致动可变几何形状的截流阀(22),其能够馈送致动缸并设置在供给发动机的进料管(28)中; 燃料回流管(2)一方面连接在高压泵(21)的下游和截流阀(22)的上游,另一方面连接到燃料箱(10)。 燃料回流阀(30),其布置成在打开位置和关闭位置之间切换,所述燃料回流阀(30)在关闭位置能够阻挡燃料返回管(2),并且在打开位置, 使燃料返回管与燃料箱(10)连通; 该方法包括在计算机(28)中执行的以下步骤:以发动机转速NO启动(E1)发动机; 增加(E3)发动机转速,直到流量Q达到足以打开截止阀的预定值QO; 测量(E4,E5)致动气缸的位置和对应于所述截止阀(22)打开的发动机转速N.