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Open Circuit Diagnosis Of Ignition Coil Using Dwell Time Modification Technique
Abstract: The novelty is involved in the development of special EMS (Engine Management System) which uses additional package of dwell time intervention for the purpose of Ignition Coil Open circuit diagnosis. This novelty has been developed in order to carry forward common Engine ECU hardware for one of the ongoing projects. In normal EMS, dwell time is derived from Look Up table to energize the Ignition Coils. Whereas in the stated novel/special EMS, in addition to normal Dwell Time Look Up Table an extra Delta Dwell Time gets added for a very brief time. Figure-3
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
29 March 2016
Publication Number
46/2017
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2024-12-09
Renewal Date
Applicants
TATA MOTORS LIMITED
BOMBAY HOUSE, 24 HOMI MODY STREET, HUTATMA CHOWK, MUMBAI 400 001, MAHARASHTRA, INDIA.
Inventors
1. MR. GAURAV GUPTA
TATA MOTORS LIMITED, BOMBAY HOUSE, 24 HOMI MODY STREET, HUTATMA CHOWK, MUMBAI 400001, MAHARASHTRA, INDIA.
2. MR. M RAVISANKAR
TATA MOTORS LIMITED, BOMBAY HOUSE, 24 HOMI MODY STREET, HUTATMA CHOWK, MUMBAI 400001, MAHARASHTRA, INDIA.
3. MR. AASHISH JADHAV
TATA MOTORS LIMITED, BOMBAY HOUSE, 24 HOMI MODY STREET, HUTATMA CHOWK, MUMBAI 400001, MAHARASHTRA, INDIA.
4. MR. V C PREM KUMAR
TATA MOTORS LIMITED, BOMBAY HOUSE, 24 HOMI MODY STREET, HUTATMA CHOWK, MUMBAI 400001, MAHARASHTRA, INDIA.
5. MR. S SRIDHAR
TATA MOTORS LIMITED, BOMBAY HOUSE, 24 HOMI MODY STREET, HUTATMA CHOWK, MUMBAI 400001, MAHARASHTRA, INDIA.
6. MR. VISWANATHA HOSUR
TATA MOTORS LIMITED, BOMBAY HOUSE, 24 HOMI MODY STREET, HUTATMA CHOWK, MUMBAI 400001, MAHARASHTRA, INDIA.
Specification
DESC:Please refer the Attachments ,CLAIMS:Please refer the Attachments
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201621010812-IntimationOfGrant09-12-2024.pdf | 2024-12-09 |
| 1 | Form 3 [20-03-2017(online)].pdf | 2017-03-20 |
| 2 | Drawing [20-03-2017(online)].pdf | 2017-03-20 |
| 2 | 201621010812-PatentCertificate09-12-2024.pdf | 2024-12-09 |
| 3 | Description(Complete) [20-03-2017(online)].pdf_118.pdf | 2017-03-20 |
| 3 | 201621010812-Form 2(Title Page)-290316.pdf | 2024-09-20 |
| 4 | Description(Complete) [20-03-2017(online)].pdf | 2017-03-20 |
| 4 | 201621010812-Form 26-290316.pdf | 2024-09-20 |
| 5 | Assignment [20-03-2017(online)].pdf | 2017-03-20 |
| 5 | 201621010812-FORM 3-290316.pdf | 2024-09-20 |
| 6 | ABSTRACT1.jpg | 2018-08-11 |
| 6 | 201621010812-Other Patent Document-290316.pdf | 2024-09-20 |
| 7 | 201621010812-Form 1-120416.pdf | 2018-08-11 |
| 7 | 201621010812-CLAIMS [14-01-2021(online)].pdf | 2021-01-14 |
| 8 | 201621010812-FER_SER_REPLY [14-01-2021(online)].pdf | 2021-01-14 |
| 8 | 201621010812-Correspondence-120416.pdf | 2018-08-11 |
| 9 | 201621010812-FORM-8 [23-05-2019(online)].pdf | 2019-05-23 |
| 9 | 201621010812-FORM-26 [14-01-2021(online)].pdf | 2021-01-14 |
| 10 | 201621010812-FORM 18 [23-05-2019(online)].pdf | 2019-05-23 |
| 10 | 201621010812-OTHERS [14-01-2021(online)].pdf | 2021-01-14 |
| 11 | 201621010812-FER.pdf | 2020-07-14 |
| 12 | 201621010812-FORM 18 [23-05-2019(online)].pdf | 2019-05-23 |
| 12 | 201621010812-OTHERS [14-01-2021(online)].pdf | 2021-01-14 |
| 13 | 201621010812-FORM-26 [14-01-2021(online)].pdf | 2021-01-14 |
| 13 | 201621010812-FORM-8 [23-05-2019(online)].pdf | 2019-05-23 |
| 14 | 201621010812-Correspondence-120416.pdf | 2018-08-11 |
| 14 | 201621010812-FER_SER_REPLY [14-01-2021(online)].pdf | 2021-01-14 |
| 15 | 201621010812-CLAIMS [14-01-2021(online)].pdf | 2021-01-14 |
| 15 | 201621010812-Form 1-120416.pdf | 2018-08-11 |
| 16 | 201621010812-Other Patent Document-290316.pdf | 2024-09-20 |
| 16 | ABSTRACT1.jpg | 2018-08-11 |
| 17 | 201621010812-FORM 3-290316.pdf | 2024-09-20 |
| 17 | Assignment [20-03-2017(online)].pdf | 2017-03-20 |
| 18 | 201621010812-Form 26-290316.pdf | 2024-09-20 |
| 18 | Description(Complete) [20-03-2017(online)].pdf | 2017-03-20 |
| 19 | 201621010812-Form 2(Title Page)-290316.pdf | 2024-09-20 |
| 19 | Description(Complete) [20-03-2017(online)].pdf_118.pdf | 2017-03-20 |
| 20 | Drawing [20-03-2017(online)].pdf | 2017-03-20 |
| 20 | 201621010812-PatentCertificate09-12-2024.pdf | 2024-12-09 |
| 21 | Form 3 [20-03-2017(online)].pdf | 2017-03-20 |
| 21 | 201621010812-IntimationOfGrant09-12-2024.pdf | 2024-12-09 |
| 22 | 201621010812-POWER OF AUTHORITY [08-07-2025(online)].pdf | 2025-07-08 |
| 23 | 201621010812-FORM-16 [08-07-2025(online)].pdf | 2025-07-08 |
| 24 | 201621010812-ASSIGNMENT WITH VERIFIED COPY [08-07-2025(online)].pdf | 2025-07-08 |
| 25 | 201621010812-ORIGINAL UR 6(1A) FORM 26 & ASSIGNMENT.)-230925.pdf | 2025-09-26 |
Search Strategy
| 1 | PDFE_13-07-2020.pdf |