Patents
US 10801557 B2: Transmission gear synchronizer blocker ring formed of a thermoplastic material
- Granted
- 2020-10-13
- Filed
- 2017-05-17 application 15597655
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A transmission gear synchronizer includes a sliding sleeve a hub and a blocker ring. The sliding sleeve has an inner surface defining a sleeve spline. The hub is received within the sliding sleeve. The hub has a plurality of gear teeth extending radially outward from a root diameter of the hub. The plurality of gear teeth are configured to engage the sleeve spine. A notch is disposed proximate the root diameter of the hub and spaced apart from the plurality of gear teeth. The blocker ring comprises a thermoplastic material. The blocker ring comprises a thermoplastic material. The blocker ring has a plurality of molded clutch teeth extending radially outward from a root diameter of the blocker ring. The plurality of molded clutch teeth are configured to engage the sleeve spline in response to the sliding sleeve engaging the blocker ring during a transmission shift event.
Source: PVGPATDIS, file of 2026-04-10 (ipg201013.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Eaton Corporation 1,707 patents | US company or organization | Cleveland, OH | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Josevaldo Roberto Fernandez | Salto, BR | 4 | PVGPATDIS, file of 2026-04-10 | |
| Thiago Fontoura de Andrade | Valinhos, BR | 2 | PVGPATDIS, file of 2026-04-10 | |
| Carlos Henrique Coronado Sena | Campinas, BR | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F16D | Couplings for transmitting rotation; clutches; brakes | F16D23/06 | PVGPATDIS, file of 2026-04-10 |
| F16H | Gearing | F16H61/0403 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T74/19284 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2019-04-11 | Assignment Assignment of assignor's interest | EATON CORPORATION signed 2017-12-31 | EATON INTELLIGENT POWER LIMITED DUBLIN 4 | 48855/626 | PASDL, file of 2026-10-15 |
| 2017-05-23 | Assignment Assignment of assignor's interest | CORONADO SENA, CARLOS HENRIQUE signed 2017-05-22 DE ANDRADE, THIAGO FONTOURA signed 2017-05-22 FERNANDEZ, JOSEVALDO ROBERTO signed 2017-05-22 | EATON CORPORATION CLEVELAND, OH | 42469/99 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.