Plunger for strengthening spoke root R angle cooling
US10449600B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Aug 10, 2017 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Apr 11, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D18/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A plunger for strengthening spoke root R angle cooling. A plunger main body is step-shaped and provided with a blind hole, and vent holes are uniformly distributed around the blind hole; an annular groove is formed in the plunger main body, and connects the blind hole with the vent holes; air outlet pipes are inserted into the blind hole, the distance between the air outlet pipes and the bottom of the blind hole is 1-1.5 times the radius of the blind hole, an annular air pipe connects the air inlet pipe with the air outlet pipes and distributes cooling air entering from an air inlet pipe to each air outlet pipe, and the diameter of the air inlet pipe is not smaller than two times that of the air outlet pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.