Linear compressor
US12366236B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2023 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Sep 6, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B39/121
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A linear compressor includes a cylinder, a piston configured to axially reciprocate 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 in a radially central area thereof, 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 is in fluid communication with the first intake muffler and coupled to the opening, and a muffler body surrounding the second intake muffler. The second muffler unit further includes a rib protruding from an outer surface or an inner surface of the second intake muffler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.