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:
Aug. 04, 2009
Filed:
Oct. 11, 2002
Young-hoan Jun, Changwon, KR;
Dong-hee Shin, Busan, KR;
Gyoo-jong Bae, Gyeongsangnam-Do, KR;
Woo Geun Lee, Busan, KR;
Young-Hoan Jun, Changwon, KR;
Dong-Hee Shin, Busan, KR;
Gyoo-Jong Bae, Gyeongsangnam-Do, KR;
Woo Geun Lee, Busan, KR;
LG Electronics Inc., Seoul, KR;
Abstract
In an overload protective apparatus of a compressor and its method capable of preventing damage of a compressor due to overload by removing an overload protector and using an operation control device operating the compressor, the overload protective apparatus includes a reference current setting unit for presetting a reference current value for operating the compressor normally; a microcomputer for generating a power cutoff signal when the detected current value is greater than the reference current value and generating a power supply signal when the detected current value is smaller than the reference current value; and a power supply unit for cutting off power applied to the compressor on the basis of the power cutoff signal or applying power to the compressor on the basis of the power supply signal.