Rotary machine having grooves for control of fluid dynamics

• US 8,684,685 B2
• Filed: 10/20/2010
• Issued: 04/01/2014
• Est. Priority Date: 10/20/2010
• Status: Active Grant

• Current Assignee: GE Infrastructure Technology, LLC (GE Vernova, Inc.)
• Original Assignee: General Electric Company
• Inventors: Delvaux, John McConnell
• Primary Examiner(s): Wiehe, Nathaniel
• Assistant Examiner(s): SEABE, JUSTIN D
• Application Number:
  US12/908,839
• Publication Number:
  US 20120099996A1
• Time in Patent Office: 1,259 Days
• Field of Search: 416/176, 416/203, 416/119.R, 416/220.R, 416/212.A, 415/194, 415/195, 415/209.1
• US Class Current: 415/195
• CPC Class Codes: F01D 5/3007 of axial insertion type
• CPC Class Codes: F04D 29/328 with unequal distribution of blades around the hub
• CPC Class Codes: F04D 29/544 Blade shapes
• CPC Class Codes: F04D 29/666 by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
• CPC Class Codes: F05D 2240/20 Rotors
• CPC Class Codes: F05D 2260/96 Preventing, counteracting or reducing vibration or noise

Abstract

A system includes a rotary machine including, a stator, a rotor configured to rotate relative to the stator, a plurality of axial grooves disposed along a circumference of the stator or the rotor, a plurality of blade segments disposed along the circumference, wherein each blade segment of the plurality of blade segments comprises a blade coupled to a mounting base supported in a respective axial groove of the plurality of axial grooves, and the plurality of blades has a non-uniform blade spacing about the circumference.

Claims

1. A system, comprising:

a rotary machine comprising;

a stator;

a rotor configured to rotate relative to the stator;

a plurality of axial grooves disposed along a circumference of the stator or the rotor;

a plurality of blade segments disposed along the circumference, wherein each blade segment of the plurality of blade segments comprises a blade coupled to a mounting base; and

a plurality of non-uniform blade mounting adapters each disposed between a respective axial groove of the plurality of axial grooves and a respective mounting base of the plurality of blade segments, wherein the plurality of blade segments has a non-uniform blade spacing about the circumference.

2. The system of claim 1, wherein the plurality of axial grooves has a non-uniform groove spacing about the circumference.

3. The system of claim 1, wherein the plurality of blade segments comprises a plurality of non-uniform blade segments, each non-uniform blade segment has a different position of a respective blade on a respective mounting base.

4. The system of claim 3, wherein the plurality of non-uniform blade segments comprises a first non-uniform blade segment having a first blade coupled to a first mounting base at a first distance relative to a first centerline of the first mounting base, the plurality of non-uniform blade segments comprises a second non-uniform blade segment having a second blade coupled to a second mounting base at a second distance relative to a second centerline of the second mounting base, and the first and second distances are different from one another.

5. The system of claim 1, wherein the plurality of non-uniform blade mounting adapters comprises a first adapter having a first mount receptacle at a first distance relative to a first centerline of the first adapter, the plurality of non-uniform blade mounting adapters comprises a second adapter having a second mount receptacle at a second distance relative to a second centerline of the second adapter, and the first and second distances are different from one another.

6. The system of claim 1, wherein the plurality of axial grooves is disposed along the circumference of the stator.

7. The system of claim 1, wherein the plurality of axial grooves is disposed along the circumference of the rotor.

8. The system of claim 1, wherein the rotary machine comprises a compressor.

9. The system of claim 1, wherein the rotary machine comprises a turbine.

10. A system, comprising:

a rotary machine comprising;

a plurality of first axial mounts disposed circumferentially about a rotational axis;

a plurality of second axial mounts disposed circumferentially about the rotational axis, wherein each first axial mount of the plurality of first axial mounts couples with a respective second axial mount of the plurality of second axial mounts in an axial direction along the rotational axis;

a plurality of non-uniform blade mounting adapters, wherein each adapter of the plurality of non-uniform blade mounting adapters is disposed between a respective first axial mount and a respective second axial mount; and

a plurality of blades coupled to the plurality of second axial mounts, wherein the plurality of blades has a non-uniform blade spacing circumferentially about the rotational axis.

11. The system of claim 10, wherein each first axial mount of the plurality of first axial mounts comprises a female mount, and each second axial mount of the plurality of second axial mounts comprises a male mount.

12. The system of claim 10, wherein each first axial mount of the plurality of first axial mounts comprises a male mount, and each second axial mount of the plurality of second axial mounts comprises a female mount.

13. The system of claim 10, wherein the plurality of first axial mounts has a non-uniform mount spacing circumferentially about the rotational axis.

14. The system of claim 10, wherein the plurality of blades is disposed at a plurality of different circumferential positions on the plurality of second axial mounts.

15. The system of claim 10, wherein the rotary machine comprises a compressor or a turbine.

16. A system, comprising:

a turbo machine comprising;

a stator;

a rotor configured to rotate relative to the stator;

a plurality of axial grooves disposed along a circumference of the rotor; and

a plurality of non-uniform blade segments each having only one blade coupled to only one mounting base, wherein each blade segment of the plurality of non-uniform blade segments has a different position of the one blade with respect to the one mounting base, and each blade segment of the plurality of non-uniform blade segments couples to one axial groove of the plurality of axial grooves.

17. The system of claim 16, wherein the plurality of axial grooves has a non-uniform groove spacing about the circumference.

18. The system of claim 16, wherein the plurality of axial grooves has a uniform groove spacing about the circumference, and the non-uniform blade spacing is defined by non-uniform positioning of the plurality of blades in the plurality of axial grooves.