Locking structure of compressor impeller and installation method, centrifugal compressor and refrigeration system
US12078186B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2023 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Jan 12, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B39/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A locking structure of a compressor impeller, which includes: a rotary shaft; a lock nut arranged on an end of the rotary shaft by means of a threaded connection and provided with waist-shaped holes extending along a circumferential direction thereof; an impeller sleeved on the end of the rotary shaft and located on an inner side of the lock nut, the impeller is provided with threaded holes in communication with the waist-shaped holes of the lock nut; a nose piece located on an outer side of the lock nut and provided with through holes in communication with the waist-shaped holes of the lock nut; and bolts passing through the through holes and the waist-shaped holes in turn into the threaded holes, thereby fixing the nose piece, the lock nut and the impeller together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.