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Load coupling for power generation systems

A technology of load connection and shaft connection, applied in the direction of couplings, clutches, slip couplings with safety disconnection joints, etc., which can solve problems such as no longer valid, rotor failure, overspeed of connected equipment, etc.

Inactive Publication Date: 2012-09-26
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such shaft separation can cause overspeeding of connected equipment within the power generation system
For example, when the generator shaft is separated from the rotor shaft in a gas turbine system, the generator inertia (intertia) is no longer effective in limiting the speed of the gas turbine, resulting in speed caused by rotor failure (rotor bust)

Method used

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  • Load coupling for power generation systems
  • Load coupling for power generation systems
  • Load coupling for power generation systems

Examples

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Embodiment Construction

[0022] Reference will now be made in detail to embodiments of the invention, one or more examples of which are illustrated in the accompanying drawings. Each example is given by way of explanation of the invention, not limitation of the invention. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. Thus, it is intended that the present invention covers such modifications and variations as come within the scope of the appended claims and their equivalents.

[0023] In general, the present invention discloses a load connection for transferring torque loads between shafts. For example, in several embodiments, a load connection may be used within a power generation system and may be configure...

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PUM

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Abstract

A load coupling (20) for transmitting a torque load (12) between a first shaft (26) and a second shaft (28) is disclosed. The load coupling (20) may generally include a first shaft segment (26) configured to be fixedly attached to the first shaft (26) and a second shaft segment (28) configured to be fixedly attached to the second shaft (28). The second shaft segment (28) may be frictionally fit within the first shaft segment (26) such that a frictional interface (44) is defined between the first and second shaft segments (26, 28). Additionally, the frictional interface (44) may be configured such that the first and second shaft segments (26, 28) rotationally disengage when the torque load (12) exceeds a torque threshold and rotationally reengage when the torque load (12) is reduced to or below the torque threshold.

Description

technical field [0001] The present invention relates generally to load connections for transferring torque loads between shafts, and more particularly to load connections for power generation systems designed to simultaneously prevent the transfer of torque loads in connected equipment of the system Excessive torque loads and overspeed conditions. Background technique [0002] Power generation systems typically include a torque-generative device (eg, a gas turbine, steam turbine, and / or other rotary engine) coupled by a shafting to an electrical generator. For example, in a direct drive gas turbine system, the gas turbine may include a rotor shaft coupled to a corresponding shaft of an electrical generator. These shafts are usually connected to each other by rigid load connections, one end of which is fixedly connected to the rotor shaft and the other end is fixedly connected to the generator shaft. Thus, torque loads applied to the rotor shaft can be transferred to the ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D7/02
CPCF16D9/08F16D7/028F16D7/02F16D2300/10F16D7/021
Inventor N·S·格雷厄姆P·S·迪马斯焦D·V·巴奇
Owner GENERAL ELECTRIC CO