Unlock instant, AI-driven research and patent intelligence for your innovation.

Device and method for slow turning of an aeroderivative gas turbine

A gas turbine and aeronautical modification technology, which is applied to gas turbine devices, jet propulsion devices, safety devices, etc., and can solve the problems of high energy consumption public facilities that cannot use starter motors, and no AC current.

Inactive Publication Date: 2014-07-09
NUOVO PIGNONE SPA
View PDF10 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For some specific plant emergency shutdowns, no AC current is available and starter motors or any high energy consuming utilities cannot be used

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Device and method for slow turning of an aeroderivative gas turbine
  • Device and method for slow turning of an aeroderivative gas turbine
  • Device and method for slow turning of an aeroderivative gas turbine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] The following detailed description of the exemplary embodiments refers to the accompanying drawings. The same reference numbers in different drawings identify the same or similar elements. Furthermore, the drawings are not necessarily drawn to scale. In addition, the following detailed description does not limit the invention. Instead, the scope of the invention is defined by the appended claims.

[0032] Reference throughout this specification to "one embodiment" or "an embodiment" or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the disclosed subject matter. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" or "in some embodiments" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

An aeroderivative gas turbine is described, comprising a gas generator (20), a gas generator rotor, a power turbine section, and a slow turning device (33), wherein said slow turning device is designed and arranged to keep said rotor in rotary motion after turbine shut-down.

Description

technical field [0001] The present disclosure relates generally to gas turbines, and more particularly to aeroderivative gas turbines. Background technique [0002] Aeroderivative gas turbines are widely used as power sources for mechanical drive applications, as well as in power generation in industrial plants, pipelines, offshore platforms, LNG applications, and the like. [0003] Gas turbines may experience shutdowns, such as in emergency situations, and be restarted after a short period of time. When the rotor of the turbine is stationary after shutdown, thermal deformation can occur as the gap between the rotor part and the stator part is reduced or eliminated, causing friction between the rotor part and the stator part, or causing the phenomenon of rotor locking appear. Thermal deformation involves an inconsistent temperature field caused by several causes. The cooling of the rotor when the turbine is stationary is inconsistent, the upper part of the rotor cools slo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F01D21/00F01D21/06F01D21/18F01D21/20F01D25/36F02C7/268F02C7/275F02C7/36
CPCF01D21/00F01D21/06F01D21/18F01D21/20F01D25/36F02C7/268F02C7/275F02C7/36Y02T50/60F02C7/32F02C9/00
Inventor M.拉泽里R.默罗F.维蒂A.巴尔达萨雷
Owner NUOVO PIGNONE SPA