Oil-injected screw air compressor
US10539138B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 25, 2017 |
| Grant date | Jan 21, 2020 |
| Priority date | — |
| Expiry date | Feb 3, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2270/195
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An oil-injected screw air compressor includes a first stage compression chamber, an air buffering chamber coupled to the first stage compression chamber, a second stage compression chamber coupled to the air buffering chamber, a first oil cooling device for cooling lubricating oil for the first stage compression chamber and the air buffering chamber, a second oil cooling device for cooling lubricating oil for the second stage compression chamber and the first oil cooling device, a plurality sensors respectively located at the first stage compression chamber outlet and the second stage compression chamber outlet, and a control unit respectively and dynamically controlling the first oil cooling device and the second oil cooling device according to preset pressure and temperature data measured by the sensors or pressure and temperature data measured by the sensors, and temperature data and humidity data of an environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.