Method and device for casting a rotor of a compressor, vacuum pump and/or expander device with a longitudinal axis
US11673189B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2020 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Jun 2, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D25/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The device according to any of the preceding claims 13 to 19, characterized in that the device is further configured to carry out a method comprising the step of positioning the green sand mold (3), wherein the device is provided with levelling means configured to hold an upper side of the green sand mold (3) during step c in a parallel position in relation to a gravitationally horizontal plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.