Patents by Inventor Chang-Hak Lim
Chang-Hak Lim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10254036Abstract: A refrigerator has a flow path structure formed by a heat-exchanger. The refrigerator includes storage compartments, and a cool air supplying unit provided at a rear of the storage compartments to supply cool air at the storage compartments, and the cool air supplying unit includes a heat-exchanger to divide a flow path at which cool air is provided to flow along the cool air supplying unit.Type: GrantFiled: June 19, 2015Date of Patent: April 9, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hak Lim, Sung Bok Ko, Ju Young Kim, Hyun Joo Kim, Dongo Yang, Il Hyeon Jo
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Patent number: 10139149Abstract: A refrigerant recovery operation method for use in a refrigerator in which a freezing chamber and a refrigerating chamber are independently cooled is disclosed. The refrigerator and the method for controlling the same provide for performing the refrigerant recovery operation not only when the compressor starts operation but also before the compressor stops operation. The refrigerator increases the refrigerant recovery amount within a predetermined pressure range in which the compressor can operate, and controls the refrigerant recovery operation time according to the outdoor air temperature.Type: GrantFiled: July 5, 2016Date of Patent: November 27, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hak Lim, Kook Jeong Seo, Young Seok Kim, Yoon Young Kim, Won-Jae Yoon, Kyung Hoon Choi
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Patent number: 9857116Abstract: A refrigerator includes an ice making chamber having an ice making tray, an ice making chamber refrigerant pipe to supply cool air to the ice making tray, and an ice making chamber circulation fan to circulate air in the ice making chamber. A control method to prevent frost from being formed in the ice making chamber includes determining whether temperature of the ice making chamber is lower than a predetermined temperature; and driving the ice making chamber circulation fan to prevent frost from being formed in the ice making chamber upon determining that the temperature of the ice making chamber is lower than the predetermined temperature. Driving the ice making chamber circulation fan to prevent frost includes driving the ice making chamber circulation fan for a predetermined period of time when the temperature of the ice making chamber is lower than the predetermined temperature.Type: GrantFiled: July 17, 2015Date of Patent: January 2, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hak Lim, Keon Ho Hong, Young Shik Shin, Jae Koog An, Jin Jeong, Sang Hyun Park
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Publication number: 20170003064Abstract: A refrigerant recovery operation method for use in a refrigerator in which a freezing chamber and a refrigerating chamber are independently cooled is disclosed. The refrigerator and the method for controlling the same guarantee a sufficiently long refrigerant recovery operation time by performing the refrigerant recovery operation not only when the compressor starts operation but also before the compressor stops operation, resulting in implementation of the highest operation efficiency of a refrigerating chamber. The refrigerator guarantees high reliability of the compressor by increasing the refrigerant recovery amount within a predetermined pressure range in which the compressor can operate, and maintains an optimum refrigerant amount by variably controlling the refrigerant recovery operation time according to the outdoor air temperature, resulting in improvement of energy efficiency.Type: ApplicationFiled: July 5, 2016Publication date: January 5, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hak LIM, Kook Jeong Seo, Young Seok Kim, Yoon Young Kim, Won-Jae Yoon, Kyung-Hoon Choi
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Patent number: 9482458Abstract: A refrigerator includes an ice making compartment, an ice making unit producing ice in the ice making compartment, and a refrigeration cycle including a refrigerant pipe to supply cooling energy to the ice making compartment. Air present in the ice making compartment is cooled while undergoing direct heat exchange with at least one of the ice making unit and the refrigerant pipe.Type: GrantFiled: October 3, 2014Date of Patent: November 1, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin Jeong, Jae Hoon Lim, Jae Seung Lee, Seong Ki Jeong, Young Shik Shin, Jae Koog An, Chang Hak Lim, Sang Hyun Park, Khan Qa Sim
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Patent number: 9448003Abstract: A refrigerator including a refrigeration cycle including a refrigerant pipe to supply cooling energy to an ice making compartment, an ice making tray, on which at least a portion of the refrigerant pipe is seated, a drainage duct to collect condensed water falling from the ice making tray or from at least a portion of the refrigerant pipe, and to drain the collected water, and at least one fixer to fix at least a portion of the refrigerant pipe to the ice making tray. The fixer is protruded from the drainage duct.Type: GrantFiled: December 30, 2010Date of Patent: September 20, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Shik Shin, Chang Hak Lim, Jin Jeong, Sang Hyun Park
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Publication number: 20160054047Abstract: A refrigerator has a flow path structure formed by a heat-exchanger. The refrigerator includes storage compartments, and a cool air supplying unit provided at a rear of the storage compartments to supply cool air at the storage compartments, and the cool air supplying unit includes a heat-exchanger to divide a flow path at which cool air is provided to flow along the cool air supplying unit.Type: ApplicationFiled: June 19, 2015Publication date: February 25, 2016Applicant: Samsung Electronics Co., Ltd.Inventors: Chang Hak LIM, Sung Bok KO, Ju Young KIM, Hyun Joo KIM, Dongo YANG, II Hyeon JO
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Publication number: 20150377540Abstract: A refrigerator includes a main body having a storage compartment, a door provided at the main body, a refrigerating portion which refrigerates the storage compartment using a compressor, a condenser, a depressurizer and an evaporator which are connected with a refrigerant pipe, and a heat transfer portion having a first flow passage portion which is disposed adjacent to the refrigerant pipe of the refrigerating portion and receives heat from the refrigerant pipe, and a second flow passage portion which is disposed at a front surface of the main body with which the door comes in contact and to which heat of the first flow passage portion is transferred. As a first cycle for refrigerating the storage compartment and a second cycle for providing heat to the front surface of the main body are provided separately preventing a decrease in refrigerating capability and an increase in power consumption.Type: ApplicationFiled: June 11, 2015Publication date: December 31, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Il Hyeon JO, Ju Young KIM, Chang Hak LIM
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Publication number: 20150323238Abstract: A refrigerator includes an ice making chamber having an ice making tray, an ice making chamber refrigerant pipe to supply cool air to the ice making tray, and an ice making chamber circulation fan to circulate air in the ice making chamber. A control method to prevent frost from being formed in the ice making chamber includes determining whether temperature of the ice making chamber is lower than a predetermined temperature; and driving the ice making chamber circulation fan to prevent frost from being formed in the ice making chamber upon determining that the temperature of the ice making chamber is lower than the predetermined temperature. Driving the ice making chamber circulation fan to prevent frost includes driving the ice making chamber circulation fan for a predetermined period of time when the temperature of the ice making chamber is lower than the predetermined temperature.Type: ApplicationFiled: July 17, 2015Publication date: November 12, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hak LIM, Keon Ho HONG, Young Shik SHIN, Jae Koog AN, Jin JEONG, Sang Hyun PARK
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Patent number: 9109829Abstract: A control method of a refrigerator to prevent frost from being formed in an ice making chamber. The refrigerator includes an ice making chamber refrigerant pipe to supply a refrigerant to make ice in a direct cooling manner and an ice making chamber circulation fan to create a forced air stream to circulate air in the ice making chamber. The control method includes determining whether temperature of the ice making chamber is lower than a predetermined temperature and driving the ice making chamber circulation fan in a state in which the temperature of the ice making chamber is lower than the predetermined temperature and the refrigerant flows in the ice making chamber refrigerant pipe or when flow of the refrigerant in the ice making chamber refrigerant pipe is interrupted in a state in which the temperature of the ice making chamber is lower than the predetermined temperature.Type: GrantFiled: November 4, 2010Date of Patent: August 18, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hak Lim, Keon Ho Hong, Young Shik Shin, Jae Koog An, Jin Jeong, Sang Hyun Park
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Publication number: 20150013374Abstract: A refrigerator includes an ice making compartment, an ice making unit producing ice in the ice making compartment, and a refrigeration cycle including a refrigerant pipe to supply cooling energy to the ice making compartment. Air present in the ice making compartment is cooled while undergoing direct heat exchange with at least one of the ice making unit and the refrigerant pipe.Type: ApplicationFiled: October 3, 2014Publication date: January 15, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin JEONG, Jae Hoon LIM, Jae Seung LEE, Seong Ki JEONG, Young Shik SHIN, Jae Koog AN, Chang Hak LIM, Sang Hyun PARK, Khan Qa SIM
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Patent number: 8875536Abstract: A refrigerator includes a body provided with a freezing compartment, a refrigerating compartment and an ice making compartment provided in the refrigerating compartment; an ice making unit including an ice making tray to produce ice in the ice making compartment; an ice storage container to store the ice made by the ice making unit; and a refrigerant pipe protruding from an interior wall of the body to supply cooling energy to the ice making compartment. A drainage duct is disposed between the ice making unit and the ice storage container adapted to prevent water drops from the ice making unit falling into the ice storage container. The drainage duct include at least one fixer configured to push the refrigerant pipe to a lower surface of the ice making tray to contact the refrigerant pipe with the lower surface of the ice making tray.Type: GrantFiled: November 25, 2013Date of Patent: November 4, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jin Jeong, Jae Hoon Lim, Jae Seung Lee, Seong Ki Jeong, Young Shik Shin, Jae Koog An, Chang Hak Lim, Sang Hyun Park, Khan Qa Sim
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Publication number: 20140083127Abstract: A refrigerator includes a body provided with a freezing compartment, a refrigerating compartment and an ice making compartment provided in the refrigerating compartment; an ice making unit including an ice making tray to produce ice in the ice making compartment; an ice storage container to store the ice made by the ice making unit; and a refrigerant pipe protruding from an interior wall of the body to supply cooling energy to the ice making compartment. A drainage duct is disposed between the ice making unit and the ice storage container adapted to prevent water drops from the ice making unit falling into the ice storage container. The drainage duct include at least one fixer configured to push the refrigerant pipe to a lower surface of the ice making tray to contact the refrigerant pipe with the lower surface of the ice making tray.Type: ApplicationFiled: November 25, 2013Publication date: March 27, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin JEONG, Jae Hoon LIM, Jae Seung LEE, Seong Ki JEONG, Young Shik SHIN, Jae Koog AN, Chang Hak LIM, Sang Hyun PARK, Khan Qa SIM
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Patent number: 8616018Abstract: An ice making unit and a refrigerator having the same are discussed. The refrigerator includes an ice making unit arranged in the ice making compartment, to produce ice, and a refrigeration cycle comprising a refrigerant pipe to supply cooling energy to the ice making compartment. Air present in the ice making compartment is cooled while undergoing direct heat exchange with at least one of the ice making unit and the refrigerant pipe.Type: GrantFiled: November 4, 2010Date of Patent: December 31, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jin Jeong, Jae Hoon Lim, Jae Seung Lee, Seong Ki Jeong, Young Shik Shin, Jae Koog An, Chang Hak Lim, Sang Hyun Park, Khan Qa Sim
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Patent number: 8132423Abstract: Disclosed is a refrigerator having an ice making apparatus installed at a cooling chamber door that opens/closes a cooling chamber. The refrigerator includes a body having a cooling chamber therein, a cooling chamber door to open/close the cooling chamber, and an ice making apparatus installed in the cooling chamber door to make ice. An ice making evaporator is provided in the ice making apparatus to independently supply the ice making apparatus with cooling air and an ice making evaporator chamber, in which an ice making evaporator is installed, is provided adjacent to the cooling chamber door while being partitioned from the cooling chamber.Type: GrantFiled: November 30, 2007Date of Patent: March 13, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Alexei Tikhonov, June Kee Min, Chang-Hak Lim, Won Jae Yoon
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Publication number: 20120000238Abstract: Disclosed is a refrigerator having an ice making apparatus installed at a cooling chamber door that opens/closes a cooling chamber. The refrigerator includes a body having a cooling chamber therein, a cooling chamber door to open/close the cooling chamber, and an ice making apparatus installed in the cooling chamber door to make ice. An ice making evaporator is provided in the ice making apparatus to independently supply the ice making apparatus with cooling air and an ice making evaporator chamber, in which an ice making evaporator is installed, is provided adjacent to the cooling chamber door while being partitioned from the cooling chamber.Type: ApplicationFiled: September 14, 2011Publication date: January 5, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Alexei TIKHONOV, June Kee Min, Chang-Hak Lim, Won Jae Yoon
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Patent number: 7987684Abstract: Disclosed is a refrigerator in which a space occupied by an evaporating dish can be minimized, evaporation efficiency of defrost water by convection-heat transfer can be improved, air can be easily exhausted in a machine room, and thus the cooling efficiency of a compressor and a condenser can be improved. The refrigerator includes: a cooling apparatus including a compressor, a condenser, and an evaporator; a blowing fan blowing air to cool at least one of the compressor and the condenser; a blowing guide duct guiding the air blown by the blowing fan to an exterior; and an evaporating dish installed in a lower portion of the blowing guide duct in order to collect and evaporate defrost water, the evaporating dish having an opened upper portion to communicate with a path of the blowing guide duct.Type: GrantFiled: November 15, 2007Date of Patent: August 2, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jin Jeong, June Kee Min, Yong Pil Park, Sun Gyou Lee, Chang Hak Lim, In Sub Lee, Won Jae Yoon, Yong Han Kim, Yeo Wool Jung
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Publication number: 20110162405Abstract: An ice making unit and a refrigerator having the same are discussed. The refrigerator includes an ice making unit arranged in the ice making compartment, to produce ice, and a refrigeration cycle comprising a refrigerant pipe to supply cooling energy to the ice making compartment. Air present in the ice making compartment is cooled while undergoing direct heat exchange with at least one of the ice making unit and the refrigerant pipe.Type: ApplicationFiled: November 4, 2010Publication date: July 7, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Jeong, Jae Hoon Lim, Jae Seung Lee, Seong Ki Jeong, Young Shik Shin, Jae Koog An, Chang Hak Lim, Sang Hyun Park, Khan Qa Sim
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Publication number: 20110162392Abstract: A control method of a refrigerator to prevent frost from being formed in an ice making chamber. The refrigerator includes an ice making chamber refrigerant pipe to supply a refrigerant to make ice in a direct cooling manner and an ice making chamber circulation fan to create a forced air stream to circulate air in the ice making chamber. The control method includes determining whether temperature of the ice making chamber is lower than a predetermined temperature and driving the ice making chamber circulation fan in a state in which the temperature of the ice making chamber is lower than the predetermined temperature and the refrigerant flows in the ice making chamber refrigerant pipe or when flow of the refrigerant in the ice making chamber refrigerant pipe is interrupted in a state in which the temperature of the ice making chamber is lower than the predetermined temperature.Type: ApplicationFiled: November 4, 2010Publication date: July 7, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hak Lim, Keon Ho Hong, Young Shik Shin, Jae Koog An, Jin Jeong, Sang Hyun Park
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Publication number: 20110162406Abstract: A refrigerator including a refrigeration cycle including a refrigerant pipe to supply cooling energy to an ice making compartment, an ice making tray, on which at least a portion of the refrigerant pipe is seated, a drainage duct to collect condensed water falling from the ice making tray or from at least a portion of the refrigerant pipe, and to drain the collected water, and at least one fixer to fix at least a portion of the refrigerant pipe to the ice making tray. The fixer is protruded from the drainage duct.Type: ApplicationFiled: December 30, 2010Publication date: July 7, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Shik Shin, Chang Hak Lim, Jin Jeong, Sang Hyun Park