Automated cleaning system for internal cavities of pressure instruments
US11446716B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 2020 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | May 11, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B2209/032
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Various automated cleaning systems for internal cavities of pressure instruments are disclosed. The systems comprise a computer controlled fluid flow system that enables the use of various cleaning fluids for cleaning internal cavities of pressure instruments to high cleanliness levels. Various pressure instruments, including complex shapes such as Bourdon tube gauges, are accommodated. The system can include a computerized cleaning cycle selection and a multi-fluid combination of cleaners for efficient and low cost cleaning solution. A servo controlled agitation system can allow for filling, evacuation, and drying of aqueous solutions as well as high performance solvents for Oxygen Clean service.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.