公开(公告)号：US06310414B1

公开(公告)日：2001-10-30

申请号：US08263034

申请日：1994-06-21

Applicant: Reza R. Agahi ,  Behrooz Ershaghi

Inventor： Reza R. Agahi ,  Behrooz Ershaghi

IPC: H02K709

CPC classification number: F16C32/044 ,  F01D3/04 ,  F01D25/16 ,  F04D29/0516 ,  F16C39/04

Abstract: A turboexpander associated with a rotary compressor by means of a rotor shaft connecting the two. A bearing housing includes magnetic radial and thrust bearings which control the placement and dynamics of the shaft within the housing. A control passageway extends from the inlet of the compressor to the gas cavity behind the compressor rotor. This passage is controlled by a valve and in turn by the magnetic bearing controller to augment the operation of the active magnetic thrust bearings.

Abstract translation: 通过连接两者的转子轴与旋转式压缩机相连的涡轮膨胀机。 轴承壳体包括磁力径向和推力轴承，其控制轴在壳体内的布置和动力学。 控制通道从压缩机的入口延伸到压缩机转子后面的气体腔。 该通道由阀门依次由磁性轴承控制器控制，以增加主动式推力轴承的运行。

公开(公告)号：US5553458A

公开(公告)日：1996-09-10

申请号：US534734

申请日：1995-09-27

Applicant: Reza R. Agahi ,  Behrooz Ershaghi

Inventor： Reza R. Agahi ,  Behrooz Ershaghi

IPC: F02C9/00 ,  F01K13/00 ,  F02C1/02 ,  F16D57/00 ,  F25B9/00

CPC classification number: F02C1/02 ,  F01K13/006

Abstract: A closed-loop system that dissipates energy from an expander and does not contaminate the expander. The noncontaminating energy dissipator has a closed-loop conduit that is connected to a compressor, a pressure reduction valve and a heat exchanger. A brake gas circulates in the closed-loop conduit from the compressor to the pressure reduction device, then to the heat exchanger and finally back to the compressor, where the process repeats. The use of an inert brake gas prevents interactions between the brake gas and a hazardous process fluid from forming an explosive mixture. The closed-loop conduit has an outlet so that the brake gas can be used for purposes other than circulating through the closed-loop. A make-up conduit and another control valve can be added to the noncontaminating energy dissipator so that brake gas that is lost through seals or other parts of the system can be readily replaced. The noncontaminating energy dissipator can be used to expend excess expander energy in such a way as to optimize the operation of the turboexpander.

Abstract translation: 一种闭环系统，可以从膨胀机中消散能量，并且不会污染膨胀机。 无污染能量消散器具有连接到压缩机，减压阀和热交换器的闭环导管。 制动气体在闭环管道中从压缩机循环到减压装置，然后循环到热交换器，最后回到压缩机，在该过程中重复。 使用惰性制动气体可防止制动气体与危险过程流体之间的相互作用形成爆炸性混合物。 闭环管道具有出口，使得制动气体可以用于除循环通过闭环之外的目的。 补充导管和另一个控制阀可以添加到无污染的能量消散器中，使得通过密封件或系统的其他部件损失的制动气体可以被容易地更换。 不污染的能量消散器可用于以优化涡轮膨胀机的操作的方式来消耗多余的膨胀机能量。

公开(公告)号：US5851104A

公开(公告)日：1998-12-22

申请号：US990358

申请日：1997-12-15

Applicant: Robin M. Dakin ,  Behrooz Ershaghi

Inventor： Robin M. Dakin ,  Behrooz Ershaghi

IPC: F01D17/16 ,  F01B25/02

CPC classification number: F01D17/165

Abstract: An adjusting mechanism for the annular inlet of a radial inflow turbine employing a rotatably mounted adjusting ring as one side of the annular inlet with cams and biased slots controlling primary vanes located within the inlet. A clamping ring which is capable of moving axially is located inwardly of the adjusting ring. A bearing piston ring is mounted to the clamping ring and supports the adjusting ring. The bearing ring also provides some sealing capabilities. A sealing ring between the clamping ring and the housing accommodates some small axial movement of the clamping ring and seals against substantial pressure differential between the inlet and outlet of the nozzle itself. Pins extend across the annular inlet to pivotally mount the primary vanes.

Abstract translation: 一种用于径向流入涡轮的环形入口的调节机构，其使用可旋转地安装的调节环作为环形入口的一侧，凸轮和偏置的狭槽控制位于入口内的主叶片。 能够轴向移动的夹紧环位于调节环的内侧。 轴承活塞环安装在夹紧环上并支撑调节环。 轴承圈还提供一些密封功能。 夹紧环和壳体之间的密封环容纳夹紧环的一些小的轴向运动并且密封抵抗喷嘴本身的入口和出口之间的实质压力差。 销延伸穿过环形入口以枢转地安装主叶片。