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:
Oct. 30, 2012
Filed:
Dec. 29, 2006
Kyoung-jun Park, Gyeongsangnam-Do, KR;
Ji-young Bae, Busan, KR;
Jin-kook Kim, Gyeongsangnam-Do, KR;
Bum-joon Kim, Gyeongsangnam-Do, KR;
Hyuk Nam, Gyeongsangnam-Do, KR;
Jong-mok Lee, Gyeongsangnam-Do, KR;
Jong-hyuk Kim, Gyeongsangnam-Do, KR;
Kyeong-ho Kim, Gyeongsangnam-Do, KR;
Kyoung-Jun Park, Gyeongsangnam-Do, KR;
Ji-Young Bae, Busan, KR;
Jin-Kook Kim, Gyeongsangnam-Do, KR;
Bum-Joon Kim, Gyeongsangnam-Do, KR;
Hyuk Nam, Gyeongsangnam-Do, KR;
Jong-Mok Lee, Gyeongsangnam-Do, KR;
Jong-Hyuk Kim, Gyeongsangnam-Do, KR;
Kyeong-Ho Kim, Gyeongsangnam-Do, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A compressor having a casing to which a gas suction pipe is connected; a driving motor provided in the casing; a cylinder; a valve supporting plate () covering the cylinder (), the valve supporting plate () having a suction hole () for sucking gas into the cylinder () and two discharge holes () for discharging gas compressed in the cylinder (); a piston () having two protrusions () at a pressure surface in correspondence to the two discharge holes () of the valve supporting plate (), the protrusions () having different sized cross-sections, the piston being linearly reciprocal in the cylinder () by receiving a driving force of the driving motor; a suction valve coupled to the valve supporting plate () to open and close the suction hole (); a discharge valve coupled to the valve supporting plate to open and close the two discharge holes ().