Linear compressor
US6575716B1 · kind B1 · utility
11Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2001 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Jul 16, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S92/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a linear compressor having a compression mechanism for compressing and discharging a refrigerant, an inflammable refrigerant or a natural refrigerant such as propane, isobutane, carbon dioxide or the like is used as the refrigerant while no lubricating oil is filled up, thereby improving the system efficiency and reducing the amount of refrigerant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.