Four counterweight crankshaft for 90 degree V6 engine
US8967112B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2012 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Apr 26, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2360/22
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A crankshaft includes first, second, third, and fourth main journals, each coaxially disposed along a crankshaft axis. A first, second, third, fourth, fifth, and sixth crank pin are each parallel with the crankshaft axis, and radially offset from the crankshaft axis. A first crank arm includes a first counterweight, and connects the first main journal and the first crank pin. A third crank arm includes a second counterweight, and connects the second crank pin and the second main journal. A seventh crank arm includes a third counterweight, and connects the third main journal and the fifth crank pin. A ninth crank arm includes a fourth counterweight, and connects the sixth crank pin and the fourth main journal. The first, second, third, and fourth counterweights are the only counterweights of the crankshaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.