Compressor diffuser and shroud for a motor driven compressor
US9745999B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2015 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | Mar 3, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/624
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An aspect includes a compressor diffuser and shroud for a motor driven compressor assembly. The motor driven compressor assembly includes a first stage compressor and a second stage compressor. The compressor diffuser and shroud of the second stage compressor includes a diffuser portion and a shroud portion. The diffuser portion includes a diffuser portion outer lip having a first sealing lip outer diameter to provide a first sealing interface to a second stage compressor housing. The shroud portion includes a curvature between the diffuser portion outer lip and a compressor inlet to align with a second stage compressor rotor, where a ratio of the first sealing lip outer diameter to an innermost diameter of the compressor diffuser and shroud is between 2.698 and 2.711.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.