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Apparatus for broaching repair of turbine rotor steeples
US9435205B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9435205-B2 |
| Application number | US-201514748304-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 24, 2015 |
| Priority date | Aug 13, 2009 |
| Publication date | Sep 6, 2016 |
| Grant date | Sep 6, 2016 |
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- Title
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Abstract
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A broaching apparatus includes; a broach having a cross-section corresponding to a geometry of slot between adjacent steeples of a turbine rotor, and a mechanism which moves the broach through the slot in a direction substantially parallel to a direction of extension of the slot.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for repairing a crack in a turbine rotor, the method comprising: securing a fixture assembly to the turbine rotor; coupling an actuator frame to the fixture assembly; coupling an actuator to the actuator frame; coupling a first pulley to an end of the actuator opposite the actuator frame; disposing a chain anchor on one of the fixture assembly and the actuator frame; coupling a first end of a chain to the chain anchor, a middle section of the chain passing through the first pulley; and coupling a second end of the chain to a broach, the broach having a cross-section corresponding to a geometry of a slot between two adjacent steeples in a direction of extension of the slot; and removing material surrounding the crack by moving the broach through the slot in a direction substantially parallel to a direction of extension of the slot wherein a motion of the actuator is transferred to the broach via the chain. 2. The method of claim 1 , wherein the broach is disposed on a disk and is pulled through the slot by a motion of the actuator, in a curved path.
Assignees
Inventors
Classifications
for special purposes (B23D37/14 takes precedence) · CPC title
Turbomachine making · CPC title
by removing material · CPC title
- F01D5/005Primary
Repairing methods or devices · CPC title
Repairing turbine components, e.g. moving or stationary blades, rotors, (B23P6/045 takes precedence) · CPC title
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Frequently asked questions
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- What does patent US9435205B2 cover?
- A broaching apparatus includes; a broach having a cross-section corresponding to a geometry of slot between adjacent steeples of a turbine rotor, and a mechanism which moves the broach through the slot in a direction substantially parallel to a direction of extension of the slot.
- Who is the assignee on this patent?
- General Electric Technology Gmbh
- What technology area does this patent fall under?
- Primary CPC classification F01D5/005. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Sep 06 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).