Lg Electronics Inc.

Simoon Jeon

Taehee Lee

Joonho Pyo

Kiwon Noh

Kwangwoon Ahn

Sunghyun Ki

Joonsung Park

Gapsu Shin

Kyeongbae Park

The present disclosure relates to reciprocating compressor. The present invention can prevent friction loss or abrasion between a cylinder and a piston, which is caused when a hydraulic bearing is blocked with a foreign substance, by preventing the foreign substance mixed in refrigerant gas from flowing into the hydraulic bearing, and can improve compressor performance by preventing a specific volume in a compression space from increasing when high-temperature refrigerant gas discharged in the compression space is cooled, such that vibration noise of the compressor can be reduced since a gas guiding part offsets vibration and the noise generated when a refrigerant is discharged in the compression space. Furthermore, the number of vibrations of a mover is increased and a driving operation for removing foreign substances is carried out to increase the number of vibrations of a cylinder such that any foreign substance stuck in a gas hole can be cleaned, thereby increasing performance and reliability of the compressor.

Reciprocating compressor and method for driving same

A control method of a dishwasher is provided in which a filter is cleaned by controlling an operation of a washing pump. In this control method, washing fluid pumped by the washing pump back flows and is directed to the filter so as to remove foreign materials accumulated in the filter from the filter.

Control method of a dishwasher

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Seoul, South Korea

Simoon Jeon