Electronically controllable and testable turbine trip system and method with redundant bleed manifolds
US9903221B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2013 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Nov 9, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86493
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A trip control system for use with, for example, turbines, includes a porting manifold that supports and provides fluid to two or more trip manifolds, each of which includes a bleed circuit having two or more bleed valves connected in parallel between a trip header line and a return or dump line to bleed the hydraulic fluid pressure from the trip header line to thereby cause a trip. The trip control system includes redundant trip manifolds operating in parallel, wherein each trip manifold is able to independently engage a trip of the turbine and each of the trip manifolds includes redundant sets of valves and other trip components that enable the trip manifold to operate to engage a trip of the turbine in the presence of a failure of one of the sets of components on a trip manifold, or while various components of the trip manifold are being tested.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.