Pumping assembly, compressor and air conditioning equipment
US11898562B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2019 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Nov 30, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/603
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present disclosure provides a pumping assembly, a compressor and air conditioning equipment. The pumping assembly includes a first structural body, a rolling bearing assembly, a second structural body, a third structural body and a main shaft passing through the first structural body, the rolling bearing assembly, the second structural body and the third structural body. The pumping assembly includes: a first lubricating oil path passing through a second structural part, the sliding sheet backpressure cavity, a third structural part, a second structural part and a rolling body of the rolling bearing assembly; a second lubricating oil path passing through the sliding sheet backpressure cavity and a first pressure relieving groove of the first structural body; and a third lubricating oil path passing through the sliding sheet backpressure cavity, the first structural part and the rolling body of the rolling bearing assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.