Patents
US 12388330 B2: Turbomachine operation monitoring system and method
- Granted
- 2025-08-12
- Filed
- 2023-01-27 application 18160316
- Type
- Utility · 15 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A method of monitoring the operation of a turbomachine includes positioning a flux probe in an operating position with respect to a rotor of the turbomachine, rotating the rotor at an operating speed with respect to a stator to one of generate an electrical output and produce an output torque. The method also includes measuring the passage of each slot of a plurality of slots formed in the rotor using the flux probe, calculating a time duration between the passage of a first slot of the plurality of slots and a second slot of the plurality of slots, and comparing an expected time duration for the operating speed with the calculated time duration. A difference in the comparison is indicative of one of a power change and a torsional vibration condition.
Source: PVGPATDIS, file of 2026-04-10 (ipg250812.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SIEMENS ENERGY, INC. 1,177 patents | US company or organization | Orlando, FL | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| James F. Lau | Orlando, FL | 7 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H02K | Dynamo-electric machines | H02K11/27 | PVGPATDIS, file of 2026-04-10 |
| F01D | Non-positive displacement machines or engines, e.g. steam turbines | F01D15/10 | PVGPATDIS, file of 2026-04-10 |
| F05D | Indexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants | F05D2220/76 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-12-04 | Assignment Assignment of assignor's interest | LAU, JAMES F. signed 2022-03-29 | SIEMENS ENERGY, INC. ORLANDO, FL | 65751/804 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.