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Passive Dynamic Inertial Rotor Balance System For Turbomachinery

Abstract: A passive dynamic inertial rotor balance system including a plurality of balancing members fitted onto a rotor shaft at locations of predicted maximum shaft modal deflection. Each of the balancing members has at least one chamber and located within the at least one chamber is a plurality of movable weights and a viscous fluid. As the shaft accelerates toward an unbalance point the weights move within the at least one chamber to a location which is opposite from the unbalance point. The viscous fluid provides damping for the movable weights to prevent excess movement within the chamber and to provide lubrication thereof. A system for self correcting an unbalance of a turbomachinery rotor during rotation of the rotor and a method for balancing a rotor in a turbomachinery is also provided.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
14 October 2014
Publication Number
45/2015
Publication Type
INA
Invention Field
PHYSICS
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2023-02-20
Renewal Date

Applicants

ELLIOTT COMPANY
901 North Fourth Street Jeannette Pennsylvania 15644

Inventors

1. JOSEFCZYK Ronald John
545 Parker Road Sarver Pennsylvania 16055

Specification

Documents

Application Documents

# Name Date
1 FOA.pdf 2014-10-28
2 F5.pdf 2014-10-28
3 F3.pdf 2014-10-28
4 F2.pdf 2014-10-28
5 DW.pdf 2014-10-28
6 2195-KOLNP-2014.pdf 2014-11-01
7 2195-KOLNP-2014-(16-01-2015)-OTHERS.pdf 2015-01-16
8 2195-KOLNP-2014-(16-01-2015)-CORRESPONDENCE.pdf 2015-01-16
9 2195-KOLNP-2014-(28-01-2015)-ANNEXURE TO FORM 3.pdf 2015-01-28
10 2195-KOLNP-2014-(02-02-2015)-OTHERS.pdf 2015-02-02
11 2195-KOLNP-2014-(02-02-2015)-FORM-13.pdf 2015-02-02
12 2195-KOLNP-2014-(02-02-2015)-CORRESPONDENCE.pdf 2015-02-02
13 2195-KOLNP-2014-(02-02-2015)-CORRESPONDENCE-1.pdf 2015-02-02
14 2195-KOLNP-2014-(02-02-2015)-AMENDED CLAIMS.pdf 2015-02-02
15 2195-KOLNP-2014-(03-02-2015)-CORRESPONDENCE.pdf 2015-02-03
16 2195-KOLNP-2014-(03-02-2015)-ANNEXURE TO FORM 3.pdf 2015-02-03
17 2195-KOLNP-2014-FER.pdf 2019-03-28
18 2195-kolnp-2014-Proof of Right (MANDATORY) [26-09-2019(online)].pdf 2019-09-26
19 2195-KOLNP-2014-Information under section 8(2) (MANDATORY) [26-09-2019(online)].pdf 2019-09-26
20 2195-KOLNP-2014-FORM 3 [26-09-2019(online)].pdf 2019-09-26
21 2195-KOLNP-2014-FER_SER_REPLY [26-09-2019(online)].pdf 2019-09-26
22 2195-KOLNP-2014-ENDORSEMENT BY INVENTORS [26-09-2019(online)].pdf 2019-09-26
23 2195-KOLNP-2014-DRAWING [26-09-2019(online)].pdf 2019-09-26
24 2195-KOLNP-2014-ABSTRACT [26-09-2019(online)].pdf 2019-09-26
25 2195-KOLNP-2014-PatentCertificate20-02-2023.pdf 2023-02-20
26 2195-KOLNP-2014-IntimationOfGrant20-02-2023.pdf 2023-02-20

Search Strategy

1 sss2195kolnp2014_26-02-2018.pdf

ERegister / Renewals

3rd: 12 May 2023

From 27/02/2015 - To 27/02/2016

4th: 12 May 2023

From 27/02/2016 - To 27/02/2017

5th: 12 May 2023

From 27/02/2017 - To 27/02/2018

6th: 12 May 2023

From 27/02/2018 - To 27/02/2019

7th: 12 May 2023

From 27/02/2019 - To 27/02/2020

8th: 12 May 2023

From 27/02/2020 - To 27/02/2021

9th: 12 May 2023

From 27/02/2021 - To 27/02/2022

10th: 12 May 2023

From 27/02/2022 - To 27/02/2023

11th: 12 May 2023

From 27/02/2023 - To 27/02/2024

12th: 19 Jan 2024

From 27/02/2024 - To 27/02/2025