Patents by Inventor Jin Seok Hu
Jin Seok Hu 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: 9217429Abstract: A linear compressor which can perform the natural cooling capacity modulation, even if a capacitor connected to a motor is removed. The linear compressor includes a fixed member having a compression space therein, a movable member linearly reciprocated in the fixed member to compress a refrigerant sucked into the compression space, and one or more springs provided to elastically support the movable member in the motion direction of the movable member. The compressor also includes a motor connected to the movable member to linearly reciprocate the movable member in the axial direction, and a motor control unit performing the cooling capacity modulation by the reciprocation of the movable member according to a load, by controlling an AC voltage applied to the motor so that a stroke of the movable member can be proportional to the magnitude of the AC voltage applied to the motor.Type: GrantFiled: July 30, 2012Date of Patent: December 22, 2015Assignee: LG ELECTRONICS INC.Inventors: Jin Seok Hu, Shin Hyun Park, Yong Tae Kim, Hoon Bong Lee, Kye Lyong Kang
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Patent number: 9194386Abstract: A linear compressor is provided that provides a greater power by changing a frequency at high load. The linear compressor includes a mechanical device having a fixed member, a movable member linearly reciprocated in the fixed member, one or more springs provided to elastically support the movable member, and a motor connected to the movable member, and an electric controller having a rectifier, an inverter that receives a DC voltage from the rectifier, converts the DC voltage to an AC voltage, and supplies the AC voltage to the motor, a voltage sensor that senses the DC voltage, a current sensor that senses a current, and a controller that calculates a required voltage for the motor, generates a control signal, and applies the control signal to the inverter, if the required voltage is greater than the DC voltage of the voltage sensor.Type: GrantFiled: November 18, 2010Date of Patent: November 24, 2015Assignee: LG ELECTRONICS INC.Inventors: Jin Seok Hu, Shin Hyun Park, Yong Tae Kim, Hoon Bong Lee, Kye Lyong Kang
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Patent number: 8708662Abstract: A linear compressor for adjusting a variable rate of a cooling capacity is provided. The linear compressor may include a fixed member having a compression space formed therein, a movable member linearly reciprocated in the fixed member to compress a refrigerant drawn into the compression space, one or more springs provided to elastically support the movable member in the motion direction of the movable member, a motor unit including a motor connected to the movable member to linearly reciprocate the movable member in the axial direction and a capacitor connected in series to the motor, and a motor control unit controlling an AC voltage applied to the motor to adjust a variable rate of a cooling capacity by the reciprocation of the movable member.Type: GrantFiled: February 22, 2011Date of Patent: April 29, 2014Assignee: LG Electronic Inc.Inventors: Jin Seok Hu, Shin Hyun Park, Young Geul Kim, Kyo Lyong Kang
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Patent number: 8550789Abstract: The present invention discloses a linear compressor which makes it possible to precisely operate a voltage using a current without having a high-capacity capacitor connected in series to a motor.Type: GrantFiled: February 22, 2011Date of Patent: October 8, 2013Assignee: LG Electronics Inc.Inventors: Jin Seok Hu, Shin Hyun Park, Young Geul Kim, Kyo Lyong Kang
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Patent number: 8387272Abstract: The present invention discloses a clogging detecting system for a dryer which can display a clogging degree or state of an air passage to the user through a remote controlling device. The clogging detecting system for the dryer includes the dryer for judging the clogging degree of the air passage, and sending the clogging degree to a remote controlling device, and the remote controlling device for receiving the clogging degree from the dryer, and displaying the clogging degree through a display unit.Type: GrantFiled: September 4, 2007Date of Patent: March 5, 2013Assignee: LG Electronics Inc.Inventors: Yang-hwan Kim, Kyung-hun Kim, Ja-in Koo, Ju-hyun Kim, Sun-cheol Bae, Ju-young Min, Jin-seok Hu
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Publication number: 20130004335Abstract: The present invention relates to a linear compressor which can perform the natural cooling capacity modulation, even if a capacitor connected to a motor is removed. The linear compressor includes a fixed member having a compression space therein, a movable member linearly reciprocated in the fixed member to compress a refrigerant sucked into the compression space, one or more springs provided to elastically support the movable member in the motion direction of the movable member, a motor connected to the movable member to linearly reciprocate the movable member in the axial direction, and a motor control unit performing the cooling capacity modulation by the reciprocation of the movable member according to a load, by controlling an AC voltage applied to the motor so that a stroke of the movable member can be proportional to the magnitude of the AC voltage applied to the motor.Type: ApplicationFiled: July 30, 2012Publication date: January 3, 2013Inventors: Jin Seok Hu, Shin Hyun Park, Yong Tae Kim, Hoon Bong Lee, Kye Lyong Kang
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Publication number: 20120230842Abstract: The present invention relates to a linear compressor which can provide greater power by changing a frequency at a high load.Type: ApplicationFiled: November 18, 2010Publication date: September 13, 2012Inventors: Jin Seok Hu, Shin Hyun Park, Yong Tae Kim, Hoon Bong Lee, Kye Lyong Kang
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Patent number: 8256138Abstract: A method for controlling an automatic dryer is disclosed, which can determine a dryness level based on information relating the laundry by an initial average value of a sensing means, to thereby achieve stability and reliability in a drying process, the method comprising sensing whether the amount of laundry is small or large by using an average output value in a preset time period of an initial drying stage; detecting a saturation voltage generating point of the sensor; and performing a drying cycle based on each dryness level by using information for the amount of laundry and the saturation voltage generating point.Type: GrantFiled: June 14, 2006Date of Patent: September 4, 2012Assignee: LG Electronics Inc.Inventors: Ja In Koo, Sun Cheol Bae, Jin Seok Hu, Yang Hwan Kim
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Publication number: 20120034104Abstract: The present invention discloses a linear compressor which makes it possible to precisely operate a voltage using a current without having a high-capacity capacitor connected in series to a motor.Type: ApplicationFiled: February 22, 2011Publication date: February 9, 2012Inventors: Jin Seok Hu, Shin Hyun Park, Young Geul Kim, Kyo Lyong Kang
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Publication number: 20110318193Abstract: The present invention discloses a linear compressor which makes it possible to adjust a variable rate of a cooling capacity. The linear compressor includes a fixed member having a compression space therein, a movable member linearly reciprocated in the fixed member to compress a refrigerant sucked into the compression space, one or more springs provided to elastically support the movable member in the motion direction of the movable member, a motor unit including a motor connected to the movable member to linearly reciprocate the movable member in the axial direction and a capacitor connected in series to the motor, and a motor control unit controlling an AC voltage applied to the motor to adjust a variable rate of a cooling capacity by the reciprocation of the movable member.Type: ApplicationFiled: February 22, 2011Publication date: December 29, 2011Inventors: Jin Seok Hu, Shin Hyun Park, Young Geul Kim, Kyo Lyong Kang
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Patent number: 7926201Abstract: A clogging detecting apparatus for a dryer is provided that checks and displays a clogging degree of an air passage. The clogging detecting apparatus includes a judgment device for judging the clogging degree of the air passage, a storing device for storing the clogging degree of the air passage, and a display for displaying the clogging degree to the user. The clogging detecting apparatus provides information on the clogging degree, so that the user precisely checks the state of the air passage.Type: GrantFiled: September 5, 2007Date of Patent: April 19, 2011Assignee: LG Electronics Inc.Inventors: Ju-hyun Kim, Kyung-hun Kim, Sun-cheol Bae, Jin-seok Hu, Yang-hwan Kim, Ju-young Min, Ja-in Koo
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Patent number: 7644513Abstract: Method for controlling a drying course of a laundry dryer including the steps of (a) starting a drying course by using high temperature drying air, and sensing dryness of a drying object periodically, (b) determining a dryness saturation time point at which the dryness sensed thus exceeds a preset reference value Q, (c) determining a load of the drying object according to the drying saturation time point T_sat, and (d) varying a drying algorithm depending on the load of the drying object determined thus, whereby preventing a small amount of laundry from sticking to a drum in a drying course by varying a control algorithm of the drying motor in a case an amount of the drying object is determined to be small accurately with reference to a saturation time point of an electrode sensor.Type: GrantFiled: November 13, 2006Date of Patent: January 12, 2010Assignee: LG Electronics Inc.Inventors: Sun Cheol Bae, Ja In Koo, Jin Seok Hu, Yang Hwan Kim
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Patent number: 7526879Abstract: A drum washing machine and a clothes dryer equipped with a thermoelectric module are disclosed. The thermoelectric module includes a heat absorption side and a heat dissipation side which absorbs and dissipates heat at a junction between two dissimilar metals depending on direction of current flow through the junction. The heat absorption side is disposed at a hot air flowing passage. Accordingly, the drying apparatus can increase energy efficiency with minor structural modification and becomes environmentally friendly unlike a conventional drying apparatus using a heat pump.Type: GrantFiled: November 2, 2006Date of Patent: May 5, 2009Assignee: LG Electronics Inc.Inventors: Sun Cheol Bae, Ja In Koo, Jin Seok Hu, Yang Hwan Kim
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Publication number: 20090025250Abstract: A method for controlling an automatic dryer is disclosed, which can determine a dryness level based on information relating the laundry by an initial average value of a sensing means, to thereby achieve stability and reliability in a drying process, the method comprising sensing whether the amount of laundry is small or large by using an average output value in a preset time period of an initial drying stage; detecting a saturation voltage generating point of the sensor; and performing a drying cycle based on each dryness level by using information for the amount of laundry and the saturation voltage generating point.Type: ApplicationFiled: June 14, 2006Publication date: January 29, 2009Applicant: LG Electronics Inc.Inventors: Ja ln Koo, Sun Cheol Bae, Jin Seok Hu, Yang Hwan Kim
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Publication number: 20080148597Abstract: A clogging detecting apparatus for a dryer is provided that can check a clogging state of an air passage according to an off time of a drying operation. The clogging detecting apparatus may include a heater for heating the air of the air passage, a temperature control unit for turning on/off a power supply from a power unit to the heater according to a temperature of the air passage or a temperature of the heater, and a judgment unit for judging the clogging state of the air passage according to an on/off time of the temperature control unit. The clogging detecting apparatus may precisely judge the clogging state of the air passage according to a quantity of laundry dried in the dryer regardless of external factors such as a variation of an external common power.Type: ApplicationFiled: December 21, 2007Publication date: June 26, 2008Inventors: Yang-hwan KIM, Kyung-hun KIM, Ja-in KOO, Ju-hyun KIM, Sun-cheol BAE, Ju-young MIN, Jin-seok HU
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Publication number: 20080148592Abstract: The present invention discloses a dryer with safety function which can interrupt a drying operation of the dryer in clogging of an exhaust duct. The dry with safety function includes a judgment means for judging clogging of the exhaust duct, and a display means interworking with the judgment means, for displaying the clogging state of the exhaust duct in clogging of the exhaust duct. The user can be rapidly informed of the clogging state of the exhaust duct.Type: ApplicationFiled: November 9, 2007Publication date: June 26, 2008Inventors: Yang-hwan KIM, Kyung-hun Kim, Ja-in Koo, Ju-hyun Kim, Sun-cheol Bae, Ju-young Min, Jin-seok Hu
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Publication number: 20080078100Abstract: The present invention discloses a clogging detecting apparatus for a dryer which can check and display a clogging degree of an air passage. The clogging detecting apparatus for the dryer includes a judgment unit for judging the clogging degree of the air passage, a storing unit for storing the clogging degree of the air passage, and a display unit for displaying the clogging degree to the user. The clogging detecting apparatus for the dryer does not only notify clogging of the air passage but also provides information on the clogging degree, so that the user can precisely check the state of the air passage.Type: ApplicationFiled: September 5, 2007Publication date: April 3, 2008Inventors: Ju-hyun KIM, Kyung-hun Kim, Sun-cheol Bae, Jin-seok Hu, Yang-hwan Kim, Ju-young Min, Ja-in Koo
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Publication number: 20080072450Abstract: The present invention discloses a clogging detecting system for a dryer which can display a clogging degree or state of an air passage to the user through a remote controlling device. The clogging detecting system for the dryer includes the dryer for judging the clogging degree of the air passage, and sending the clogging degree to a remote controlling device, and the remote controlling device for receiving the clogging degree from the dryer, and displaying the clogging degree through a display unit.Type: ApplicationFiled: September 4, 2007Publication date: March 27, 2008Inventors: Yang-hwan KIM, Kyung-hun Kim, Ja-in Koo, Ju-hyun Kim, Sun-cheol Bae, Ju-young Min, Jin-seok Hu