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:
Dec. 07, 2010
Filed:
Oct. 31, 2006
Applicants:
Ji-woon Sung, Seoul, KR;
Jae-yoo Yoo, Gyeonggi-Do, KR;
Chel-woong Lee, Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 49/06 (2006.01); F04B 35/04 (2006.01); H02K 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A driving controlling apparatus for a linear compressor, comprises: a storing unit for storing a reference phase difference to judge an overload state; and a controlling unit for judging an overload state based on a comparison result between the reference phase difference and a phase difference between a current and a stroke, and controlling a voltage or a current applied to a linear motor based on the judgement result.
Published as:
KR100739165B1; CN101054969A; US2007241698A1; DE102007016655A1; CN100582485C; US7845912B2; DE102007016655B4;