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    • 4. 发明公开
    • ARCHITECTURE D'UN SYSTEME PROPULSIF D'UN HELICOPTERE MULTI-MOTEUR ET HELICOPTERE CORRESPONDANT
    • ARCHITEKTUR EINES MEHRMOTORIGEN HUBSCHRAUBERANTRIEBSSYSTEMS UND ENTSPRECHENDER HUBSCHRAUBER
    • EP3123014A1
    • 2017-02-01
    • EP15717022.6
    • 2015-03-20
    • Safran Helicopter Engines
    • MERCIER-CALVAIRAC, FabienHUMBERT, SophieBEDDOK, Stéphane
    • F02C7/262B64C27/04B64D35/08F02C7/275F02C9/42
    • The invention relates to an architecture of a multi-engine helicopter propulsion system comprising turbine engines (1, 2) connected to a power transmission gearbox (3), and a low-voltage on-board DC network (7) intended to power helicopter equipment during flight, characterized in that the architecture comprises: a hybrid turbine engine (1) able to operate in at least one standby state during steady stabilized flight of the helicopter; an electrotechnical pack (20) for the rapid restart of said hybrid turbine engine in order to cause it to exit said standby state and attain a state in which it supplies mechanical power, said restart pack (20) being connected to said onboard network (7); and at least two sources (4, 16, 18) for electrically powering said on-board network (7).
    • 本发明涉及一种多引擎直升机的推进系统的结构,包括连接到动力传动齿轮箱(3)的涡轮轴发动机(1,2),并且包括用于供应的低直流电压板载网络(7) 飞行中的直升机设备,其特征在于,它包括:混合涡轮轴发动机(1),其能够在直升机的稳定飞行期间以至少一种待机模式操作; 一种用于快速重新启动所述混合涡轮轴发动机以使所述发动机处于所述待机模式并达到其提供机械动力的模式的电工组件(20),所述重新启动组件(20)连接到所述车载网络(7) ); 以及用于所述车载网络(7)的至少两个电源(4,16,18)。
    • 6. 发明公开
    • SYSTEME PROPULSIF HYBRIDE D'UN AERONEF MULTI-MOTEUR
    • SYSTEME PROPULSIF HYBRIDE D'UN AERONEF多摩托车
    • EP3209563A1
    • 2017-08-30
    • EP15793869.7
    • 2015-10-15
    • Safran Helicopter Engines
    • MOULON, FrédéricMERCIER-CALVAIRAC, FabienLE MAUX, David
    • B64D33/00B64C27/12
    • B64D27/02B64C27/12B64D33/00B64D2027/026F01D15/10F02C7/268F02C9/42F05D2220/329F05D2220/76Y02T50/64
    • The hybrid propulsion system for a multi-engine aircraft comprises a plurality of free turbine turbomachines each one equipped with a gas generator, these including at least one first turbomachine (1) or hybrid turbomachine able to operate in at least a standby state during a stabilized flight of the aircraft, while other turbomachines of the plurality of turbomachines operate alone during the course of this stabilized flight. The hybrid turbomachine (1) is associated with first and second identical electrotechnical sequences each comprising an electric machine (2, respectively 3) that can operate as a starter and as a generator, and is itself connected to a power electronics module (4, respectively 5) itself selectively connected to a specific electrical energy supply network (8), such as an onboard network, and to at least one electrical energy storage member (6, respectively 7). Each of the electrotechnical sequences is designed to deliver a maximum power at least equal to half the total power (Prr) needed for rapid reactivation of the hybrid turbomachine (1).
    • 用于多引擎飞机的混合推进系统包括多个自由涡轮机涡轮机,每个自由涡轮机涡轮机配备有气体发生器,这些涡轮机包括至少一个第一涡轮机(1)或混合涡轮机械,其能够在稳定期间以至少待机状态运行 飞机的飞行,而多个涡轮机中的其他涡轮机在该稳定飞行的过程中单独操作。 混合动力涡轮机(1)与第一和第二相同的电工序列相关联,每个电动序列包括可作为起动器和发电机操作的电机(2或3),并且其本身分别连接到电力电子模块(4, 5)本身选择性地连接到特定的电能供应网络(8),例如车载网络,并连接到至少一个电能存储构件(分别为7)。 每个电子技术序列的设计目的是提供至少等于混合式涡轮机(1)快速重新启动所需的总功率(Prr)的一半的最大功率。