Assembly of a crankshaft end portion with a flywheel and a guide bearing, and related engine assembly
US10156281B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 20, 2016 |
| Grant date | Dec 18, 2018 |
| Priority date | — |
| Expiry date | Jul 20, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2360/22
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
To assemble an end portion (12) of a crankshaft (10) defining an axis (100) of revolution, forming at least one first bearing surface (30), turned radially outward, and a shoulder (32), on which threaded holes (34) lead outward, with a flywheel (24) comprising axial bores (36) and a bearing (28) for guiding the crankshaft relative to an engine housing (26) in rotation about the axis of revolution, attachment screws (16) passing through the axial bores of the flywheel and screwed into the threaded holes in the crankshaft end portion are provided, thus rigidly connecting the flywheel to the crankshaft end portion. The guide bearing comprises at least one unitary guide ring (42) positioned on the first bearing surface (30) and having a first transverse surface (44) axially bearing on the shoulder (32). The unitary guide ring comprises axial bores (48) which are aligned with the threaded holes (34) in the crankshaft and the axial bores of the flywheel (36) and have the screws (16) passing therethrough.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.