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“Electro Hydraulic Converter For Lp Bypass Systemagainst Steam Turbine Sets Operating On Low Pressure Governing”
Abstract: Disclosed is an electro-hydraulic converter for LP bypass system against steam turbine sets operating on low pressure governing, said electro-hydraulic converter comprising: a proportional valve (3), a plurality of Position transmitters (8) for control of opening & closing of LP bypass stop valves, LP bypass control valves and water injection valves; arrangement of two manifolds (1 & 2) to provide path of control oil/drain oil through Proportional valve (3) to above or below of Control piston (B) for controlling of its position; arrangement for mounting of said Position transmitters (8) and arrangement for transfer of movement of Control Piston (B) to Position transmitters with the help of Plate (11), Transmission rod (10), Plate (9) and Magnets (5), on the Hydraulic converter (A); and means to restrict/guide movement of Plate (9) with the help of guide rod (7) and support Rod (6), to enable movement in linear direction only to provide accurate measurement/feedback for position of Control Piston. [Figure-2]
Notices, Deadlines & Correspondence
Patent Information
Applicants
BHARAT HEAVY ELECTRICALS LIMITED
Inventors
1. SHUBHAM MITTAL
2. LAKHMI SINGH
3. RAJEEV RAWAT
4. LAXMI KANT MISHRA
Specification
Disclosed is an electro-hydraulic converter for LP bypass system against steam turbine sets operating on low pressure governing, said electro-hydraulic converter comprising: a proportional valve (3), a plurality of Position transmitters (8) for control of opening & closing of LP bypass stop valves, LP bypass control valves and water injection valves; arrangement of two manifolds (1 & 2) to provide path of control oil/drain oil through Proportional valve (3) to above or below of Control piston (B) for controlling of its position; arrangement for mounting of said Position transmitters (8) and arrangement for transfer of movement of Control Piston (B) to Position transmitters with the help of Plate (11), Transmission rod (10), Plate (9) and Magnets (5), on the Hydraulic converter (A); and means to restrict/guide movement of Plate (9) with the help of guide rod (7) and support Rod (6), to enable movement in linear direction only to provide accurate measurement/feedback for position of Control Piston.
[Figure-2]
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202031012195-STATEMENT OF UNDERTAKING (FORM 3) [20-03-2020(online)].pdf | 2020-03-20 |
| 2 | 202031012195-PROOF OF RIGHT [20-03-2020(online)].pdf | 2020-03-20 |
| 3 | 202031012195-POWER OF AUTHORITY [20-03-2020(online)].pdf | 2020-03-20 |
| 4 | 202031012195-FORM 1 [20-03-2020(online)].pdf | 2020-03-20 |
| 5 | 202031012195-FIGURE OF ABSTRACT [20-03-2020(online)].pdf | 2020-03-20 |
| 6 | 202031012195-DRAWINGS [20-03-2020(online)].pdf | 2020-03-20 |
| 7 | 202031012195-DECLARATION OF INVENTORSHIP (FORM 5) [20-03-2020(online)].pdf | 2020-03-20 |
| 8 | 202031012195-COMPLETE SPECIFICATION [20-03-2020(online)].pdf | 2020-03-20 |
| 9 | 202031012195-FORM 18 [31-08-2020(online)].pdf | 2020-08-31 |
| 10 | 202031012195-FER.pdf | 2022-01-04 |
| 11 | 202031012195-OTHERS [01-07-2022(online)].pdf | 2022-07-01 |
| 12 | 202031012195-FORM-26 [01-07-2022(online)].pdf | 2022-07-01 |
| 13 | 202031012195-FORM 3 [01-07-2022(online)].pdf | 2022-07-01 |
| 14 | 202031012195-FER_SER_REPLY [01-07-2022(online)].pdf | 2022-07-01 |
| 15 | 202031012195-ENDORSEMENT BY INVENTORS [01-07-2022(online)].pdf | 2022-07-01 |
| 16 | 202031012195-DRAWING [01-07-2022(online)].pdf | 2022-07-01 |
| 17 | 202031012195-CLAIMS [01-07-2022(online)].pdf | 2022-07-01 |
| 18 | 202031012195-PatentCertificate21-12-2023.pdf | 2023-12-21 |
| 19 | 202031012195-IntimationOfGrant21-12-2023.pdf | 2023-12-21 |
Search Strategy
| 1 | 202031012195E_31-12-2021.pdf |