The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 07, 2026
Filed:
Apr. 19, 2022
Lg Electronics Inc., Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A hermetic compressor may include a cylinder having anellipticalinner circumferential surface; a roller eccentric from the inner circumferential surface; and at least one vane withdrawn towards the inner circumferential surface when the roller is rotated to divide a compressionchamberspace into compression chambers.On the basis ofA first center line passes throughacontactreferencepoint where the inner circumferential surfaceof the cylinderand an outer circumferential surfaceof the rollerare closest, a first center line passesandthrough alateralcenter ofan inner space ofthe cylinder, an. A first pair ofellipsesegments arepositioned at a first side of the first center line andformingform portions ofthe inner circumferential surfaceis a first ellipse, a. Acenter point of the firstpair ofellipsesegmentsis a first center point, an. A second pair ofellipsesegments arepositioned at a second side of the first center line andformingform portions ofthe inner circumferential surfaceis a second ellipse, a. Acenter point of the secondpair ofellipsesegmentsis a second center point, and the first center point and the second center point are spaced apart from thelateralcenterof the inner space of the cylinder.