CVT transmission for motor vehicles, in particular for farm tractors.
Abstract
A CVT transmission (100) for motor vehicles, in particular for farm tractors. The CVT transmission (100) comprises a first transmission system with fixed transmission ratio and a second transmission system with variable transmission system, an epicyclic rotary mechanism (24) also being provided for the combination of the two transmission systems. The CVT transmission (100) comprises a pair of pulleys (18, 20) with axes ((b), (c)), able to transmit motion between them by means of a belt (or of a chain) (19), whilst the epicyclic rotary mechanism (24) comprises a central shaft (25) with axis (d). The axes ((d), (b), (c)) are positioned according to vertices (DBC) of a triangle (TR).

Term
Term ended
Projected expiry passed 13 January 2025, 1.7 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0809044A2 | Cites | European Patent Office (EPO) | A | Search report | – |
| DE1185883B | Cites | Germany | A | Search report | – |
| FR1359986A | Cites | France | A | Search report | – |
| EP1378686A2 | Cites | European Patent Office (EPO) | A | Search report | – |
| DE19944792A1 | Cites | Germany | XY | Search report | 1-4 |
| US2002094911A1 | Cites | United States of America | A | Search report | – |
| FR2305651A1 | Cites | France | A | Search report | – |
| DE29816863U1 | Cites | Germany | X | Search report | 1-4 |
| US4579183A | Cites | United States of America | Y | Search report | 5 |
3 members in 2 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| BO20040017 | Italy | A | |
| BO20040017 | Italy | – | |
| BO20040017 | – | – | – |
| IT2004BO00017 | – | – | – |
Members3
| Document | Office | Kind | |
|---|---|---|---|
| EP1555458A2 | European Patent Office (EPO) | A2 | |
| US2005187047A1 | United States of America | A1 | |
| EP1555458A3This record | European Patent Office (EPO) | A3 |
11 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| First examination report despatched17Q | 17Q | |
| Designation fees paidAKX | AKX | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 1555458
- Publication, DOCDB
- 1555458
- Publication, EPODOC
- EP1555458
- Application
- 5100172
- Application, DOCDB
- 05100172
- Application, EPODOC
- EP20050100172
Titles3
- German
- Stufenloses Getriebe für Kraftfahrzeuge, insbesondere für landwirtschaftliche Traktoren
- English
- CVT transmission for motor vehicles, in particular for farm tractors.
- French
- Transmission variable continué pour véhicules automobiles notamment pour tracteurs agricoles
Classification
- CPC, 3
- F16H37/0846
- B60K17/28
- F16H2037/088
- IPC, 3
- F16H37 00
- B60K17 28
- F16H37 08
Designated states36
- Contracting states, 30
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Hungary
- Ireland
- Iceland
- Italy
- Liechtenstein
- Lithuania
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Poland
and 6 moreShow fewer
- Portugal
- Romania
- Sweden
- Slovenia
- Slovakia
- Türkiye
- Extension states, 6
- Albania
- Bosnia and Herzegovina
- Croatia
- Latvia
- North Macedonia
- Yugoslavia, later Serbia and Montenegro (until 2006)