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    • 2. 发明申请
    • THERMAL ANTI-ICING OF AIRCRAFT STRUCTURES
    • 飞机结构的热防护
    • WO1993006005A1
    • 1993-04-01
    • PCT/GB1992001710
    • 1992-09-17
    • SHORT BROTHERS PLCARNOLD, Michael, JohnCOLE, Derek
    • SHORT BROTHERS PLC
    • B64D15/04
    • B64D15/04B64D33/02B64D2033/0206B64D2033/0233B64D2033/0286F02C7/047
    • An aircraft structural component comprises a forward compartment (17) formed by a forward bulkhead (19) and a skin structure (21) which extends forwardly of the forward bulkhead (17) and which has an outer surface which requires to be protected from accumulation of ice thereon, and a rear compartment (18) formed between the forward bulkhead (19) and a rear bulkhead (20). A supply duct (25) extends through the rear compartment (18) and into the forward compartment (17) for the delivery thereto of pressurised hot gases for distribution over the inner surface of the skin structure (21) to prevent accumulation of ice on the outer surface of the skin structure (21). A protective shroud duct (31) surrounds the supply duct (25), extends from the rear bulkhead (20) to the forward bulkhead (19) and forms an annular space between the protective shroud duct (31) and the supply duct (25). The annular space is closed off at its rear end at the rear bulkhead (20) and throughout its length within the rear compartment (18) by the protective shroud duct (31) and is open at its forward end to provide gaseous flow communication with the forward compartment (17), whereby leakage of hot gases from the supply duct (25) upon rupture are prevented by the protective shroud duct (31) from entering into the rear compartment (18) and pass into the forward compartment (17). A discharge duct is provided for discharging spent gases from the forward compartment (17) to atmosphere.
    • 4. 发明申请
    • CLOSURE DEFAULT INDICATOR
    • 闭合默认指示灯
    • WO1993024368A1
    • 1993-12-09
    • PCT/GB1993001032
    • 1993-05-20
    • SHORT BROTHERS PLCARNOLD, Michael, JohnJOHNSON, Kenneth, HenryHALL, Brian, Joseph
    • SHORT BROTHERS PLC
    • B64D29/06
    • B64D29/06E05B41/00Y10S292/49Y10S292/65Y10T292/216
    • A structural assembly comprises first and second closure parts displaceable between a closed disposition in which they are locked by a locking mechanism and in which they close off the front side of the closure parts from the rear side and an open disposition in which they are spaced apart for access to the rear side of the closure parts and a default indicating device comprising a projection element (34) which is movable to the rear side of the closure parts where it is stowed and which releases when the closure parts move to an open disposition and moves to a projecting position in which it projects from the rear side to the front side of the closure parts to provide a visual warning that the closure parts are not in the closed disposition. The closure parts in one embodiment are fan cowl doors of an aero engine nacelle which are hinged at their upper edges to the upper part of the nacelle and which have bottom edges which move into the closed disposition at the base of the nacelle. The projecting element (34) in the projecting position then depends from the base of the nacelle.
    • 结构组件包括第一和第二闭合部件,所述第一和第二闭合部件可在闭合位置之间移动,在闭合位置中,它们被锁定机构锁定,并且其中闭合部件从后侧封闭闭合部件的前侧以及打开位置, 用于进入封闭部件的后侧以及默认指示装置,该默认指示装置包括突出元件(34),所述突出元件可移动到其收起的封闭部件的后侧,并且当封闭部件移动到开放的配置时释放; 移动到突出位置,在突出位置中,其从封闭部件的后侧突出到前侧,以提供闭合部件不处于闭合位置的视觉警告。 一个实施例中的封闭部件是航空发动机机舱的风扇整流罩门,其在其上边缘铰接到机舱的上部,并且具有在机舱底部移动到封闭配置中的底部边缘。 突出位置的突出元件(34)然后从机舱的底部延伸。