Plurality of outer resonance springs for a linear compressor
US6413057B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2000 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Feb 15, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B35/045
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A linear compressor including: a cover fixed at a rear side of a frame; a cylinder fixedly installed in a horizontal direction at the center of inside of the frame; an inner stator assembly fixedly installed at the frame in a state that its inner circumferential surface contacts an outer circumferential surface of the cylinder; an outer stator assembly fixedly installed at the frame, being spaced apart from the inner stator assembly to the outer periphery for a predetermined distance; a magnet assembly incorporated with a piston, making a linear reciprocal movement with one end portion thereof inserted in the gap between the inner stator assembly and the outer stator assembly; at least one inner resonance spring supported by the magnet assembly; and a plurality of outer resonance springs supported between the magnet assembly and the cover. With this construction, the gap between the cylinder and the inner stator assembly is is removed, reducing the inner diameter of the inner stator assembly, according to which the inner diameter of the magnet assembly is minimized, remarkably reducing the amount of the magnet to be used and the size of the motor, and thus, its production cost can …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.