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    • 3. 发明授权
    • High pressure gas generator rotor tie rod system for gas turbine engine
    • 用于燃气轮机的高压气体发生器转子系杆系统
    • US5537814A
    • 1996-07-23
    • US313935
    • 1994-09-28
    • John A. NastukCharles L. Williams
    • John A. NastukCharles L. Williams
    • F01D5/06F02C7/00
    • F01D5/066
    • An improved high pressure gas generator rotor for a gas turbine engine is disclosed in which a tie rod of unitary construction provides an axial compressive load across a plurality of non-bolted compressor and turbine components arranged in rotational driving arrangement, for example, by face splines and rabbets. An interim compressive load path solely through the compressor rotor portion is automatically provided upon relaxation of the operational compressive load in the rotor to maintain mechanical integrity of the compressor and facilitate assembly and maintenance activity. An anti-rotated midspan locknut on the tie rod obviates the need for additional, special tooling configured to clamp the compressor components during disassembly of the turbine.
    • 公开了一种用于燃气涡轮发动机的改进的高压气体发生器转子,其中整体结构的拉杆提供跨越多个非螺栓连接的压缩机和以旋转驱动装置布置的涡轮机部件的轴向压缩载荷,例如通过面花键 和兔子。 在松动转子中的操作压缩载荷时,仅通过压缩机转子部分的临时压缩载荷路径自动提供,以保持压缩机的机械完整性,并且便于装配和维护活动。 拉杆上的防旋转中跨锁紧螺母消除了在拆卸涡轮机时配置成夹紧压缩机部件的附加特殊工具的需要。
    • 9. 发明授权
    • Cyclic demand steam supply system
    • 循环需求蒸汽供应系统
    • US5080047A
    • 1992-01-14
    • US636604
    • 1990-12-31
    • Charles L. WilliamsEddy A. WilliamsGary M. Vezzoso
    • Charles L. WilliamsEddy A. WilliamsGary M. Vezzoso
    • F01K1/06F01K1/16
    • F01K1/16F01K1/06
    • A steam system is disclosed having a steam boiler (14) designed to produce an adjustable supply of boiler steam and a steam accumulator (12) designed to supply all of the steam to steam load (66) as opposed to functioning as an auxiliary source to boiler (14). Steam accumulator (12) is a pressure vessel designed to function as a wet steam accumulator and sized to provide large quantities of steam in short bursts for a predetermined period of time to a sustained cyclic steam load (66) for a period of time sufficient to compensate for the time delays necessary to adjust the boiler steam produciton rate to equal changes in the average of the cyclic demand load. Accumulator (12) is formed of a pressurized vessel having a plurality of tubes (54) therein which are designed to have a sufficient heat transfer surface to transfer the majority of energy from boiler steam to the heated accumulator water (67) through conduction of heat through the tube heat transfer surfaces so that the majority of the boiler steam is actually condensed prior to being discharged into the heated accumulator water (67).
    • 公开了一种蒸汽系统,其具有设计成产生可调节的锅炉蒸汽供应的蒸汽锅炉(14)和设计成将蒸汽供应给蒸汽负载(66)的蒸汽蓄能器(12),而不是用作辅助源 锅炉(14)。 蒸汽蓄能器(12)是设计成用作湿式蒸汽蓄能器的压力容器,其尺寸适于在短时间内将大量蒸汽在预定时间内提供给持续的循环蒸汽负载(66)一段足以 补偿将锅炉蒸汽产生率调整到循环需求负荷的平均值相等变化所需的时间延迟。 蓄能器(12)由其中具有多个管(54)的加压容器形成,其被设计成具有足够的传热表面,以通过传导热量将大部分能量从锅炉蒸汽传递到加热的蓄水器(67) 通过管传热表面,使得大多数锅炉蒸汽在被排放到加热的蓄水器(67)之前实际上被冷凝。
    • 10. 发明授权
    • Method and apparatus for controlling propeller pitch
    • 用于控制螺旋桨桨距的方法和装置
    • US4419050A
    • 1983-12-06
    • US179047
    • 1980-08-18
    • Charles L. Williams
    • Charles L. Williams
    • B63H3/00B63H3/08B64C11/38F01D7/02F04D15/00F04D29/36
    • F01D7/02B63H3/008B63H3/082B64C11/38F04D15/0055F04D29/362
    • A variable pitch propeller is controlled by a hydraulic mechanism responsive to forces urging an unsymmetrically mounted propeller towards its maximum pitch. Spring bias means maintains the propeller at minimum pitch under conditions of rest. The propeller is prevented from increasing its pitch by the pressure produced on a closed hydraulic chamber until it reaches a predetermined r.p.m., when a centrifugal valve opens a first port and relieves the pressure in the cylinder and allows the propeller to increase in pitch. The increase in pitch opens a second port communicating with the pressure chamber, but that channel remains closed by a second valve that is normally closed but opens in response to a reduction in the throttle setting. The reduction in throttle setting closes the centrifugal valve so that the only channel from the pressure chamber is through the second port. When the second port is opened by the action of the reduced throttle, which reduces the forces generated on the control system by the propeller, the pitch immediately increases and in turn closes the second port and locks the propeller in the higher pitch position. The propeller is supported for rotation about its radial axis by two pairs of radially-aligned V-blocks and pivot blocks that provides a low-friction, sturdy mount.
    • 可变螺距螺旋桨由液压机构控制,该液压机构响应于推动不对称安装的螺旋桨朝向其最大间距的力。 弹簧偏压意味着在休息条件下以最小间距维持螺旋桨。 当离心阀打开第一端口并减轻气缸中的压力并且允许螺旋桨增加间距时,通过在闭合的液压室上产生的压力直到达到预定的r.p.m.来防止螺旋桨增加其螺距。 间距的增加打开了与压力室连通的第二端口,但是该通道由通常关闭的第二阀保持关闭,而响应于节气门设置的减小而打开。 节气门设置的减小关闭离心阀,使得来自压力室的唯一通道通过第二端口。 当通过减小的节流阀的动作来打开第二端口时,这减小了由螺旋桨在控制系统上产生的力,间距立即增加并且又关闭第二端口,并将螺旋桨锁定在较高的俯仰位置。 支撑螺旋桨通过两对径向对齐的V形块和枢轴块来绕其径向轴线旋转,提供低摩擦,坚固的安装。