Sign In to Follow Application
View All Documents & Correspondence
View All Documents & Correspondence
A Forced Ventilated Frameless Three Phase Ac Oil Rig Motor With Axial Mounted Space Heater Suitable For Variable Frequency Drive (Vfd)
Abstract: A modified electrical machine for oil rig application comprising of: a frameless stator core (1) sandwiched between end chambers (3) wherein the stator coil (5) is insulated by class 200 insulation; rotor supported on cylindrical roller bearing (26, 27) disposed within the said frameless stator core (1); dual terminal box to selectively receive input power and secure neutral connections; cooling assembly that includes centrifugal blower assembly (19) mounted on an air inlet chamber; axially mounted space heater equipped with the air inlet chamber to avoid moisture; wherein the electrical machine is configured for high power oil field application.
Get Free WhatsApp Updates!
Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
05 May 2016
Publication Number
45/2017
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
lsdavar@ca12.vsnl.net.in
Parent Application
Patent Number
Legal Status
Grant Date
2023-02-08
Renewal Date
Applicants
BHARAT HEAVY ELECTRICALS LIMITED
with one of its Regional Offices at REGIONAL OPERATIONS DIVISION (ROD), PLOT NO: 9/1, DJ BLOCK 3rd FLOOR, KARUNAMOYEE, SALTLAKE, KOLKATA-700091,having its Registered Office at BHEL HOUSE, SIRI FORT, NEW DELHI -110049, INDIA
Inventors
1. SHISHU PAL
C/o. BHARAT HEAVY ELECTRICALS LIMITED, BHOPAL, INDIA
2. NEERAJ KUMAR
C/o. BHARAT HEAVY ELECTRICALS LIMITED, BHOPAL, INDIA
3. ANISH KUMAR VARSHNEY
C/o. BHARAT HEAVY ELECTRICALS LIMITED, BHOPAL, INDIA
Specification
Claims:Please find the attached file , Description:Please find the attached file
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | Power of Attorney [05-05-2016(online)].pdf | 2016-05-05 |
| 2 | Form 3 [05-05-2016(online)].pdf | 2016-05-05 |
| 3 | Form 20 [05-05-2016(online)].pdf | 2016-05-05 |
| 4 | Drawing [05-05-2016(online)].pdf | 2016-05-05 |
| 5 | Description(Complete) [05-05-2016(online)].pdf | 2016-05-05 |
| 6 | Form 18 [19-05-2016(online)].pdf | 2016-05-19 |
| 7 | 201631015624-FER.pdf | 2019-02-01 |
| 8 | 201631015624-Proof of Right (MANDATORY) [29-07-2019(online)].pdf | 2019-07-29 |
| 9 | 201631015624-OTHERS [29-07-2019(online)].pdf | 2019-07-29 |
| 10 | 201631015624-FORM 3 [29-07-2019(online)].pdf | 2019-07-29 |
| 11 | 201631015624-FER_SER_REPLY [29-07-2019(online)].pdf | 2019-07-29 |
| 12 | 201631015624-ENDORSEMENT BY INVENTORS [29-07-2019(online)].pdf | 2019-07-29 |
| 13 | 201631015624-DRAWING [29-07-2019(online)].pdf | 2019-07-29 |
| 14 | 201631015624-COMPLETE SPECIFICATION [29-07-2019(online)].pdf | 2019-07-29 |
| 15 | 201631015624-CLAIMS [29-07-2019(online)].pdf | 2019-07-29 |
| 16 | 201631015624-ABSTRACT [29-07-2019(online)].pdf | 2019-07-29 |
| 17 | 201631015624-US(14)-HearingNotice-(HearingDate-31-01-2022).pdf | 2022-01-07 |
| 18 | 201631015624-Correspondence to notify the Controller [28-01-2022(online)].pdf | 2022-01-28 |
| 19 | 201631015624-FORM-26 [29-01-2022(online)].pdf | 2022-01-29 |
| 20 | 201631015624-US(14)-ExtendedHearingNotice-(HearingDate-02-02-2022).pdf | 2022-02-01 |
| 21 | 201631015624-Written submissions and relevant documents [11-02-2022(online)].pdf | 2022-02-11 |
| 22 | 201631015624-PatentCertificate08-02-2023.pdf | 2023-02-08 |
| 23 | 201631015624-IntimationOfGrant08-02-2023.pdf | 2023-02-08 |
| 24 | 201631015624-FORM 4 [16-06-2023(online)].pdf | 2023-06-16 |
| 25 | 201631015624-RELEVANT DOCUMENTS [07-07-2025(online)].pdf | 2025-07-07 |
| 26 | 201631015624-POWER OF AUTHORITY [07-07-2025(online)].pdf | 2025-07-07 |
| 27 | 201631015624-FORM-15 [07-07-2025(online)].pdf | 2025-07-07 |
| 28 | 201631015624-PROOF OF ALTERATION [22-07-2025(online)].pdf | 2025-07-22 |
| 29 | 201631015624-RESTORATION UNDER SECTION 60-[27-10-2025].pdf | 2025-10-27 |
| 30 | 201631015624-RESTORATION OF LAPSED PATENT UNDER SECTION 60-[27-10-2025].pdf | 2025-10-27 |
| 31 | 201631015624-RELEVANT DOCUMENTS [13-11-2025(online)].pdf | 2025-11-13 |
Search Strategy
| 1 | SEARCHSTRATEGYFOR201631015624_28-09-2018.pdf |