Robust pendulum crank bumper
US-2017146091-A1 · May 25, 2017 · US
Four counterweight crankshaft for 90 degree V6 engine
US8967112B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8967112-B2 |
| Application number | US-201213679118-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 16, 2012 |
| Priority date | Nov 16, 2012 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
Official abstract text for this publication.
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.
First claim
Opening claim text (preview).
The invention claimed is: 1. A crankshaft for a ninety degree V-type six cylinder engine, the crankshaft comprising: a first crank arm extending between a first main journal and a first crank pin; a second flying arm extending between the first crank pin and a second crank pin; a third crank arm extending between the second crank pin and a second main journal; a fourth crank arm extending between the second main journal and a third crank pin; a fifth flying arm extending b…
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Classifications
- F16F15/283Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8967112B2 cover?
- 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 …
- Who is the assignee on this patent?
- Gm Global Tech Operations Inc
- What technology area does this patent fall under?
- Primary CPC classification F16F15/283. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).