公开(公告)号：US4608880A

公开(公告)日：1986-09-02

申请号：US667992

申请日：1984-11-05

申请人： Andrew Gahura ,  Graham M. Platt

发明人： Andrew Gahura ,  Graham M. Platt

IPC分类号： F02C9/28 ,  F16H35/16 ,  G05G11/00

CPC分类号： F16H35/16 ,  F02C9/28 ,  G05G11/00 ,  Y10T74/20207

摘要： A mechanical multiplier (25) in a fuel control for a gas turbine engine has a first track member (26) mounted for lateral movement and a first axially movable displacement member (34) connected to the first track member. A second track member (42) is mounted adjacent the first track member for pivoting movement about an axis (52). A follower assembly (54) operatively interconnects the track members and has rollers (120,122) respectively received in the tracks of the first and second track members. A second displacement member (55) is connected to the follower assembly for movement generally perpendicular to the direction of lateral movement of the first track member. The second displacement member is connected to the output piston (65) of a pressure transducer (66) which senses compressor discharge pressure; and the first displacement member is operatively connected to a fuel metering valve (100). The angular position of the second track member with respect to the first track member represents a set ratio (W/P) of fuel flow (W) to compressor discharge pressure (P).

摘要翻译： 用于燃气涡轮发动机的燃料控制中的机械乘法器（25）具有安装用于横向移动的第一轨道构件（26）和连接到第一轨道构件的第一轴向移动位移构件（34）。 第二轨道构件（42）安装在第一轨道构件附近，用于围绕轴线（52）枢转运动。 跟随器组件（54）可操作地将轨道构件互连，并具有分别容纳在第一和第二轨道构件的轨道中的辊（120,122）。 第二位移构件（55）连接到从动组件，用于大致垂直于第一轨道构件的横向运动的方向移动。 第二位移构件连接到感测压缩机排气压力的压力传感器（66）的输出活塞（65）; 并且第一位移构件可操作地连接到燃料计量阀（100）。 第二轨道构件相对于第一轨道构件的角位置表示燃料流量（W）与压缩机排气压力（P）的设定比（W / P）。

公开(公告)号：US4669735A

公开(公告)日：1987-06-02

申请号：US782414

申请日：1985-10-01

申请人： Jack G. Sundberg ,  Andrew Gahura

发明人： Jack G. Sundberg ,  Andrew Gahura

IPC分类号： F16J15/00 ,  F16J15/34 ,  F16J15/40 ,  F16J15/54

CPC分类号： F16J15/008 ,  F16J15/3404 ,  Y10S277/914

摘要： A shaft seal assembly 10 for a high speed centrifugal pump has a primary seal (30) and a secondary seal (32). During normal operation the primary seal has its nose (38) in firm engagement with a seal face (28) and the secondary seal has its nose (42) in light engagement with the seal face. Upon failure of the primary seal, the nose of the secondary seal is urged into firm engagement with the seal face. An orifice (58) in the nose of the secondary seal allows for controlled leakage which indicates primary seal failure.

摘要翻译： 用于高速离心泵的轴封组件10具有初级密封件（30）和次级密封件（32）。 在正常操作期间，主密封件具有与密封面（28）牢固接合的鼻部（38），并且次级密封件具有与密封面轻微接合的第二密封件。 在主密封件失效的情况下，辅助密封件的鼻子被迫与密封面牢固地接合。 次级密封件的鼻部中的孔口（58）允许受控的泄漏，其指示主密封件失效。