Linear compressor
US12228120B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2023 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Jun 7, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B1/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A linear compressor includes a cylinder, a piston axially reciprocating in the cylinder, a first muffler unit coupled to the piston, a back cover that is disposed at a rear of the piston and defines an opening at a radially central area, and a second muffler unit coupled to the opening. The first muffler unit includes an inner guide disposed in the piston and a first intake muffler disposed at a rear of the inner guide. The second muffler unit includes a second intake muffler that communicates with the first intake muffler and is coupled to the opening, a muffler body surrounding the second intake muffler, and a muffler cover disposed between the muffler body and the back cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.