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    • 1. 发明申请
    • FLUID MOTOR/PUMP WITH SCAVENGED CASE
    • 流体动力/泵与SCAVENGED CASE
    • WO1995002749A1
    • 1995-01-26
    • PCT/US1994007979
    • 1994-07-15
    • PNEUMO ABEX CORPORATION
    • PNEUMO ABEX CORPORATIONCOAKLEY, Kim, L.
    • F01B03/00
    • F04B1/14F01B3/00F04B23/106
    • A fluid device (pump or motor) comprises a case (111) having a closed chamber (114), a rotating element (116) mounted for rotation within the closed chamber, a reciprocating piston (123) drivingly connected to the rotating element such that rotation of the rotating element corresponds to reciprocating movement of the piston, passages for admitting and discharging fluid to and from a cylinder in which the piston reciprocates, and scavenger pump means (170) drivingly connected to the rotating element and operable to pump fluid out of the closed chamber at a rate greater than the rate at which fluid leaks or otherwise is metered into the interior chamber, thereby to maintain the level of fluid within the closed chamber below a predetermined level.
    • 流体装置(泵或马达)包括具有封闭腔室(114)的壳体(111),安装用于在闭合腔室内旋转的旋转元件(116),与旋转元件驱动连接的往复活塞(123),使得 旋转元件的旋转对应于活塞的往复运动,用于允许和从其中活塞往复运动的气缸排出流体的通道,以及驱动地连接到旋转元件的可移动泵送流体的清流泵装置(170) 封闭的室以大于流体泄漏或以其他方式计量进入内部室的速率的速率,从而将封闭室内的流体水平维持在预定水平以下。
    • 3. 发明申请
    • WET ELECTRIC MOTOR DRIVEN PUMP
    • 湿电机驱动泵
    • WO1993018303A1
    • 1993-09-16
    • PCT/US1993002340
    • 1993-03-12
    • PNEUMO ABEX CORPORATION
    • PNEUMO ABEX CORPORATIONCOAKLEY, Kim, L.WARD, Elmer, F.
    • F04B39/02
    • F04B53/00F04B23/106F04B53/08F04C15/0096F04D29/061F04D29/588
    • A wet electric motor driven pump (70) comprises a main pump (71), pumping a specified working fluid which is driven by a wet electric motor (72), operating submerged in the specified working fluid, and means for bleeding (98), prior to entry into the main pump (71), a portion of the specified working fluid from the total flow of the specified working fluid entering the wet electric motor driven pump (70) to form an auxiliary fluid flow, which auxiliary fluid flow is substantially all the fluid in which the wet electric motor (72) operates. The auxiliary fluid flow is also substantially all the fluid that is used to cool the wet electric motor (72) and to lubricate the wet electric motor (72) and main pump (71).
    • 湿电动机驱动泵(70)包括主泵(71),泵送由湿电动机(72)驱动的指定工作流体,操作浸没在指定的工作流体中,以及用于流出的装置(98), 在进入主泵(71)之前,来自指定工作流体的总流量的指定工作流体的一部分进入湿式电动机驱动泵(70)以形成辅助流体流,该辅助流体流动基本上 湿式电动机(72)在其中运行的所有流体。 辅助流体流动也基本上是用于冷却湿式电动机(72)并润滑湿式电动机(72)和主泵(71)的所有流体。
    • 6. 发明公开
    • Landing gear mechanism including bypass valve assembly for reducing damping loads during taxiing
    • 底盘与旁通阀系统,以减少滑行在地面上时的阻尼载荷。
    • EP0320543A1
    • 1989-06-21
    • EP87311055.5
    • 1987-12-15
    • Pneumo Abex Corporation
    • Hrusch, Louis C.
    • B64C25/60
    • F16F9/06B64C25/60F16F9/48
    • Landing gear mechanism includes a restrictor assembly (6) con­taining a main orifice (15) for controlling the rate of instroke of the landing gear mechanism during landing and a taxi instroke bypass valve assembly (20) which provides for increased flow of hydraulic fluid within the landing gear mechanism whenever the landing gear mechanism engages a bump during taxiing to reduce the damping loads that would otherwise occur if all of the hydraulic fluid were required to flow through the main orifice (15). The taxi instroke bypass valve assembly (20) includes a slide member (22) axially movable relative to the restrictor assembly (6) for opening and closing one or more bypass orifices (21) in the restrictor assembly (6). The slide member (22) is held in the closed position whenever the landing gear mechanism is in a specified stroke range from fully extended by a secondary piston (28) which is acted upon by the pressure in a precharged secondary chamber (30) urging the secondary piston (22) into engagement with a probe (23) connected to the slide member (22). At some point in the strut stroke, the pressure within the upper piston chamber (19) of the landing gear mechanism will rise to that of the precharged secondary chamber (30), whereby the secondary piston (28) will be stroked along with the main strut piston (5) and the slide member (22) will move to the open position allowing fluid to bypass the main orifice (15), thereby reducing the damping loads as the landing gear mechanism negotiates bumps during taxiing.
    • 起落架机构包括一个限流器组件(6)包含一个主孔(15),用于控制所述起落架机构的内向行程的着陆过程中的速率和出租车内向行程旁通阀组件(20),其用于内的液压流体的流动增加提供 登陆每当起落架机构滑行以减少阻尼载荷那样,如果所有的液压流体被要求通过主孔(15)中流动否则将会发生期间接合凸块齿轮机构。 出租车内向行程旁通阀组件(20)包括用于打开滑动部件(22)相对于所述限流器组件(6)可轴向移动和关闭在所述限流器组件的一个或多个旁通孔(21)(6)。 所述滑动部件(22)在关闭位置保持每当起落架机构是在规定行程范围内从由次级活塞(28),所有这些是在由压力在预置次级室(30)作用完全延伸催促 副活塞(22)与连接到所述滑动部件(22)的探针(23)接合。 将在支柱行程的某个时刻,起落架机构的上活塞腔室(19)内的压力将上升到没有预充电的次级室(30),由此,副活塞(28)地连同主抚摸的 支柱活塞(5)和滑动部件(22)将移动到打开位置允许流体绕过主孔(15),由此降低了阻尼载荷作为起落架机构滑行期间协商的凸块。