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Low Noise Turbine For Geared Turbofan Engine
Abstract: A gas turbine engine is utilized in combination with a gear reduction to reduce the speed of a fan relative to a low pressure turbine speed. The gas turbine engine is designed such that a blade count in the low pressure turbine multiplied by the speed of the low pressure turbine will result in operational noise that is above a sensitive range for human hearing. A method and turbine module are also disclosed.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
25 June 2014
Publication Number
30/2014
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2022-10-17
Renewal Date
Applicants
UNITED TECHNOLOGIES CORPORATION
One Financial Plaza
Hartford Connecticut 06101
MTU AERO ENGINES AG
Dachauer Str. 665
80995 Munich
Inventors
1. MORIN Bruce L.
20 Biella Street
Springfield Massachusetts 01104
2. KORTE Detlef
Waldeckstrasse 4
81543 Munich
Specification
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 5236-DELNP-2014-IntimationOfGrant17-10-2022.pdf | 2022-10-17 |
| 1 | IB304.pdf | 2014-06-27 |
| 2 | 5236-DELNP-2014-PatentCertificate17-10-2022.pdf | 2022-10-17 |
| 2 | FORM-5.pdf | 2014-06-27 |
| 3 | FORM-3.pdf | 2014-06-27 |
| 3 | 5236-DELNP-2014-AMENDED DOCUMENTS [17-08-2022(online)].pdf | 2022-08-17 |
| 4 | 5236-DELNP-2014-FORM 13 [17-08-2022(online)].pdf | 2022-08-17 |
| 4 | 10549-57-SPECIFICATION.pdf | 2014-06-27 |
| 5 | 5236-DELNP-2014.pdf | 2014-07-11 |
| 5 | 5236-DELNP-2014-Written submissions and relevant documents [17-08-2022(online)].pdf | 2022-08-17 |
| 6 | Form-9(Online).pdf | 2014-07-16 |
| 6 | 5236-DELNP-2014-Correspondence to notify the Controller [01-08-2022(online)].pdf | 2022-08-01 |
| 7 | 5236-DELNP-2014-Power of Attorney-311014.pdf | 2014-11-27 |
| 7 | 5236-DELNP-2014-FORM 3 [01-08-2022(online)].pdf | 2022-08-01 |
| 8 | 5236-DELNP-2014-US(14)-HearingNotice-(HearingDate-03-08-2022).pdf | 2022-06-15 |
| 8 | 5236-DELNP-2014-OTHERS-311014.pdf | 2014-11-27 |
| 9 | 5236-DELNP-2014-ABSTRACT [17-07-2019(online)].pdf | 2019-07-17 |
| 9 | 5236-DELNP-2014-Correspondence-311014.pdf | 2014-11-27 |
| 10 | 5236-DELNP-2014-CLAIMS [17-07-2019(online)].pdf | 2019-07-17 |
| 10 | 5236-DELNP-2014-Form-3-(25-02-2015).pdf | 2015-02-25 |
| 11 | 5236-DELNP-2014-COMPLETE SPECIFICATION [17-07-2019(online)].pdf | 2019-07-17 |
| 11 | 5236-DELNP-2014-Correspondance Others-(25-02-2015).pdf | 2015-02-25 |
| 12 | 5236-DELNP-2014-DRAWING [17-07-2019(online)].pdf | 2019-07-17 |
| 12 | 5236-DELNP-2014-Form 18 and Form 1.pdf | 2018-04-27 |
| 13 | 5236-DELNP-2014-FER.pdf | 2019-01-18 |
| 13 | 5236-DELNP-2014-FER_SER_REPLY [17-07-2019(online)].pdf | 2019-07-17 |
| 14 | 5236-DELNP-2014-FORM 3 [11-07-2019(online)].pdf | 2019-07-11 |
| 14 | 5236-DELNP-2014-OTHERS [17-07-2019(online)].pdf | 2019-07-17 |
| 15 | 5236-DELNP-2014-Information under section 8(2) (MANDATORY) [15-07-2019(online)].pdf | 2019-07-15 |
| 15 | 5236-DELNP-2014-PETITION UNDER RULE 137 [17-07-2019(online)].pdf | 2019-07-17 |
| 16 | 5236-DELNP-2014-Information under section 8(2) (MANDATORY) [15-07-2019(online)]-1.pdf | 2019-07-15 |
| 16 | 5236-DELNP-2014-Information under section 8(2) (MANDATORY) [15-07-2019(online)]-2.pdf | 2019-07-15 |
| 17 | 5236-DELNP-2014-Information under section 8(2) (MANDATORY) [15-07-2019(online)]-2.pdf | 2019-07-15 |
| 17 | 5236-DELNP-2014-Information under section 8(2) (MANDATORY) [15-07-2019(online)]-1.pdf | 2019-07-15 |
| 18 | 5236-DELNP-2014-Information under section 8(2) (MANDATORY) [15-07-2019(online)].pdf | 2019-07-15 |
| 18 | 5236-DELNP-2014-PETITION UNDER RULE 137 [17-07-2019(online)].pdf | 2019-07-17 |
| 19 | 5236-DELNP-2014-FORM 3 [11-07-2019(online)].pdf | 2019-07-11 |
| 19 | 5236-DELNP-2014-OTHERS [17-07-2019(online)].pdf | 2019-07-17 |
| 20 | 5236-DELNP-2014-FER.pdf | 2019-01-18 |
| 20 | 5236-DELNP-2014-FER_SER_REPLY [17-07-2019(online)].pdf | 2019-07-17 |
| 21 | 5236-DELNP-2014-DRAWING [17-07-2019(online)].pdf | 2019-07-17 |
| 21 | 5236-DELNP-2014-Form 18 and Form 1.pdf | 2018-04-27 |
| 22 | 5236-DELNP-2014-COMPLETE SPECIFICATION [17-07-2019(online)].pdf | 2019-07-17 |
| 22 | 5236-DELNP-2014-Correspondance Others-(25-02-2015).pdf | 2015-02-25 |
| 23 | 5236-DELNP-2014-CLAIMS [17-07-2019(online)].pdf | 2019-07-17 |
| 23 | 5236-DELNP-2014-Form-3-(25-02-2015).pdf | 2015-02-25 |
| 24 | 5236-DELNP-2014-Correspondence-311014.pdf | 2014-11-27 |
| 24 | 5236-DELNP-2014-ABSTRACT [17-07-2019(online)].pdf | 2019-07-17 |
| 25 | 5236-DELNP-2014-OTHERS-311014.pdf | 2014-11-27 |
| 25 | 5236-DELNP-2014-US(14)-HearingNotice-(HearingDate-03-08-2022).pdf | 2022-06-15 |
| 26 | 5236-DELNP-2014-FORM 3 [01-08-2022(online)].pdf | 2022-08-01 |
| 26 | 5236-DELNP-2014-Power of Attorney-311014.pdf | 2014-11-27 |
| 27 | 5236-DELNP-2014-Correspondence to notify the Controller [01-08-2022(online)].pdf | 2022-08-01 |
| 27 | Form-9(Online).pdf | 2014-07-16 |
| 28 | 5236-DELNP-2014-Written submissions and relevant documents [17-08-2022(online)].pdf | 2022-08-17 |
| 28 | 5236-DELNP-2014.pdf | 2014-07-11 |
| 29 | 10549-57-SPECIFICATION.pdf | 2014-06-27 |
| 29 | 5236-DELNP-2014-FORM 13 [17-08-2022(online)].pdf | 2022-08-17 |
| 30 | 5236-DELNP-2014-AMENDED DOCUMENTS [17-08-2022(online)].pdf | 2022-08-17 |
| 30 | FORM-3.pdf | 2014-06-27 |
| 31 | FORM-5.pdf | 2014-06-27 |
| 31 | 5236-DELNP-2014-PatentCertificate17-10-2022.pdf | 2022-10-17 |
| 32 | IB304.pdf | 2014-06-27 |
| 32 | 5236-DELNP-2014-IntimationOfGrant17-10-2022.pdf | 2022-10-17 |
| 33 | 5236-DELNP-2014-PROOF OF ALTERATION [18-11-2025(online)].pdf | 2025-11-18 |
Search Strategy
| 1 | SearchStrategy-5236_DELNP_2014_05-03-2018.pdf |