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A Piston For Internal Combustion Engine
Abstract: A piston for internal combustion engine has a bowl (2) on the top, forming a combustion chamber, and having an inner surface (3) defining volume configured to support fuel and air mixing patterns. The inner surface (3) of bowl has a bottom portion having a radius of curvature bounded by two radial concave surface portions disposed below a central convex dome portion (7). The bowl volume (C0) and the inner surface has a bottom portion having a radius of curvature of 6.5 mm, and the lip is having preferably radius of 1.0 mm to 2.0 mm. Fig. 1-b
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
09 January 2017
Publication Number
28/2018
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
patent@depenning.com
Parent Application
Patent Number
Legal Status
Grant Date
2023-10-10
Renewal Date
Applicants
ASHOK LEYLAND LIMITED
No. l, Sardar Patel Road, Guindy, Chennai-
600 032,India.
Inventors
1. Jayagopal Subramanian
Ashok Leyland Limited, Technical
Centre, Vellivoyalchavadi, Via Manali
New Town, Chennai 600 103, India.
2. Krishnan Sadagopan
Ashok Leyland Limited, Technical Centre, Vellivoyalchavadi, Via Manali New Town, Chennai 600 103, India
3. Mahesh Padmanabhan Nair
Ashok Leyland Limited, Technical Centre, Vellivoyalchavadi, Via Manali New Town, Chennai 600 103, India
4. Deepu Grasius
Ashok Leyland Limited, Technical Centre, Vellivoyalchavadi, Via Manali New Town, Chennai 600 103, India
5. Senthil Kumar Govindasamy
Ashok Leyland Limited, Technical Centre, Vellivoyalchavadi, Via Manali New Town, Chennai 600 103, India
Specification
Claims:Please see the attachments. , Description:Please see the attachments.
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | Power of Attorney [09-01-2017(online)].pdf | 2017-01-09 |
| 2 | Form 3 [09-01-2017(online)].pdf | 2017-01-09 |
| 4 | Form 18 [09-01-2017(online)].pdf_285.pdf | 2017-01-09 |
| 5 | Form 18 [09-01-2017(online)].pdf | 2017-01-09 |
| 6 | Form 1 [09-01-2017(online)].pdf | 2017-01-09 |
| 7 | Drawing [09-01-2017(online)].pdf | 2017-01-09 |
| 8 | Description(Complete) [09-01-2017(online)].pdf_284.pdf | 2017-01-09 |
| 9 | Description(Complete) [09-01-2017(online)].pdf | 2017-01-09 |
| 10 | Form 8 [18-01-2017(online)].pdf | 2017-01-18 |
| 11 | Other Patent Document [25-01-2017(online)].pdf | 2017-01-25 |
| 12 | Form1_After Filing_27-01-2017.pdf | 2017-01-27 |
| 13 | Correspondence by Agent_Proof of Right Form1_27-01-2017.pdf | 2017-01-27 |
| 14 | 201741000774-FER.pdf | 2019-09-27 |
| 15 | 201741000774-OTHERS [20-03-2020(online)].pdf | 2020-03-20 |
| 16 | 201741000774-FORM-26 [20-03-2020(online)].pdf | 2020-03-20 |
| 17 | 201741000774-FER_SER_REPLY [20-03-2020(online)].pdf | 2020-03-20 |
| 18 | 201741000774-DRAWING [20-03-2020(online)].pdf | 2020-03-20 |
| 19 | 201741000774-COMPLETE SPECIFICATION [20-03-2020(online)].pdf | 2020-03-20 |
| 20 | 201741000774-CLAIMS [20-03-2020(online)].pdf | 2020-03-20 |
| 21 | 201741000774-ABSTRACT [20-03-2020(online)].pdf | 2020-03-20 |
| 22 | 201741000774-US(14)-HearingNotice-(HearingDate-11-09-2023).pdf | 2023-08-21 |
| 23 | 201741000774-Correspondence to notify the Controller [07-09-2023(online)].pdf | 2023-09-07 |
| 24 | 201741000774-Written submissions and relevant documents [23-09-2023(online)].pdf | 2023-09-23 |
| 25 | 201741000774-Retyped Pages under Rule 14(1) [23-09-2023(online)].pdf | 2023-09-23 |
| 26 | 201741000774-2. Marked Copy under Rule 14(2) [23-09-2023(online)].pdf | 2023-09-23 |
| 27 | 201741000774-PatentCertificate10-10-2023.pdf | 2023-10-10 |
| 28 | 201741000774-IntimationOfGrant10-10-2023.pdf | 2023-10-10 |
Search Strategy
| 1 | search201741000774_08-04-2019.pdf |