公开(公告)号：US5437539A

公开(公告)日：1995-08-01

申请号：US197657

申请日：1994-02-17

申请人： Daniel L. Gysling ,  Jonathan S. Simon

发明人： Daniel L. Gysling ,  Jonathan S. Simon

IPC分类号： F04D3/00 ,  F04D15/00 ,  F04D27/02 ,  F04D29/44 ,  F04D19/02

CPC分类号： F04D29/442 ,  F04D15/0027 ,  F04D15/0055 ,  F04D27/02 ,  F04D3/00 ,  F05D2270/101

摘要： The invention is a turbo machine comprising a rotatably mounted blade row, such as a compressing or pumping rotor and apparatus for providing aerodynamic feedback to the blade row which feedback apparatus has substantially zero pressure difference across it. The feedback may be provided by various apparatus, including at least one free-rotor that is mounted in aerodynamic feedback with the blade row, for instance coaxially with respect to the axis of rotation of the blade row and freely rotatably with respect to the blade row. The free-rotor may also be located in ductwork in communication with the blade row. The feedback may also be provided by a blade row having a variable stagger angle and apparatus to adjust the stagger angle so that the mean pressure rise across the variable stagger angle blade row is zero. The invention also includes a method for controlling operating anomalies such as rotating stall and surge of a turbo machine such as a compressor using the above described apparatus.

摘要翻译： 本发明是一种涡轮机，其包括可旋转地安装的叶片排，例如用于向叶片排提供空气动力反馈的压缩或泵送转子和装置，该反馈装置在其上具有基本上零的压力差。 反馈可以由各种装置提供，包括至少一个安装在与叶片排的空气动力学反馈中的自由转子，例如相对于叶片排的旋转轴线同轴并相对于叶片排自由旋转 。 自由转子也可以位于与叶片排连通的管道系统中。 反馈还可以由具有可变交错角的叶片排和装置来提供，以调整交错角，使得跨越可变交错角叶片排的平均压力升高为零。 本发明还包括一种用于使用上述装置来控制诸如压缩机的涡轮机的旋转失速和喘振的操作异常的方法。

公开(公告)号：US4455121A

公开(公告)日：1984-06-19

申请号：US438038

申请日：1982-11-01

申请人： Hsianmin F. Jen

发明人： Hsianmin F. Jen

IPC分类号： F01D9/00 ,  F01D9/02 ,  F04D29/44

CPC分类号： F01D9/023 ,  F01D9/00 ,  F04D29/442

摘要： Hot spots in the first stage turbine nozzles of small and medium sized engines are eliminated by spinning the nozzle assembly which consists of an annular hub circumscribed by a nozzle diaphragm having an inner and outer shroud ring between which are a multiplicity of symmetrically positioned vanes of airfoil design. Power to turn the nozzle assembly is obtained by connecting it to a rotary-type, vaned diffuser stage which lies in radial alignment with the impeller of the engine compressor. The rotary diffuser and nozzle combination is configured to turn at 50-1,000 rpm enabling the combined assembly to be mounted on unlubricated ceramic bearings.

摘要翻译： 通过旋转喷嘴组件来消除中小型发动机的第一级涡轮喷嘴中的热点，该喷嘴组件由具有内和外护罩环的喷嘴隔膜限定的环形轮毂组成，其间具有多个对称定位的翼型叶片 设计。 通过将喷嘴组件连接到与发动机压缩机的叶轮径向对准的旋转式带叶片扩散器台，可获得转动喷嘴组件的功率。 旋转扩散器和喷嘴组合被配置为以50-1,000rpm转动，使得组合的组件能够安装在未润滑的陶瓷轴承上。

公开(公告)号：US4156581A

公开(公告)日：1979-05-29

申请号：US834067

申请日：1977-09-16

申请人： Shinichiro Higuchi

发明人： Shinichiro Higuchi

IPC分类号： F02B39/00 ,  F01D5/04 ,  F04D29/28 ,  F04D29/42 ,  F04D29/44 ,  F04D29/22 ,  F04D29/66

CPC分类号： F04D29/284 ,  F04D29/442 ,  Y10S415/914

摘要： A centrifugal compressor for a small-sized gas turbine utilized in an automobile. In a general gas turbine having a centrifugal compressor, a primary air flow along the front surface of a rotor disc is joined by a secondary air flow from a space between the rear surface of the rotor disc and a partition wall in an engine casing. The present invention provides improved positional relationships between the forward end of the outer periphery of a rotor disc and the rear wall of a diffuser, the outer periphery of the rotor disc and the tip of a rotor blade and the shape of the rear surface of the outer periphery of the rotor disc and the shape of the wall of a partition wall in an engine casing being opposed thereto, and a combination of those relationships to prevent the secondary air flow from changing the direction of the primary air flow.

摘要翻译： 一种用于汽车的小型燃气轮机的离心式压缩机。 在具有离心压缩机的通用燃气轮机中，沿着转子盘的前表面的一次空​​气流通过二次空气流从转子盘的后表面和发动机壳体中的分隔壁之间的空间接合。 本发明提供了转子盘的外周的前端与扩散器的后壁，转子盘的外周和转子叶片的末端之间的改进的位置关系以及转子盘的后表面的形状 转子盘的外周和与其相对的发动机壳体中的隔壁的壁的形状，以及这些关系的组合，以防止二次空气流改变一次空气流的方向。

公开(公告)号：US3868196A

公开(公告)日：1975-02-25

申请号：US45612974

申请日：1974-03-29

申请人： GEN ELECTRIC

发明人： LOWN HAROLD

IPC分类号： F04D27/02 ,  F04D29/44 ,  F04D29/46

CPC分类号： F04D27/0215 ,  F02C1/02 ,  F04D29/442 ,  F05D2260/6022

摘要： The high velocity leakage flow escaping tangentially through the annular clearance space between the impeller and rotating vaneless diffuser in a centrifugal compressor is employed to drive a turbine device attached to the diffuser back wall member, thereby self-powering the rotating diffuser and reducing the leakage flow. Either a turbine blade row sector with a partial arc of admission or a full admission turbine blade row can be used.

摘要翻译： 在离心式压缩机中通过叶轮和旋转的无叶漫射器之间的环形空隙切向逸出的高速泄漏流被用于驱动附接到扩散器后壁构件的涡轮机装置，由此自动驱动旋转扩散器并减少泄漏流 。 可以使用具有部分弧进入的涡轮机叶片行扇区或完全进入的涡轮叶片行。

公开(公告)号：US3378229A

公开(公告)日：1968-04-16

申请号：US47248665

申请日：1965-07-16

申请人： GEN ELECTRIC

发明人： ERWIN JOHN R

IPC分类号： F01D1/06 ,  F04D29/44

CPC分类号： F04D29/442 ,  F01D1/06

公开(公告)号：US2983434A

公开(公告)日：1961-05-09

申请号：US70497557

申请日：1957-12-24

申请人： PIETRO PISA

发明人： PIETRO PISA

IPC分类号： F04D29/44

CPC分类号： F04D29/442

公开(公告)号：US2334625A

公开(公告)日：1943-11-16

申请号：US45101542

申请日：1942-07-15

申请人： ARMSTRONG SIDDELEY MOTORS LTD

发明人： MAX HEPPNER FRITZ ALBERT

IPC分类号： F01D1/08 ,  F04D29/44

CPC分类号： F01D1/08 ,  F04D29/442