Patents by Inventor Hee-moon Jeong
Hee-moon Jeong 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).
-
Patent number: 11703268Abstract: A refrigerator including a main body including a storeroom; an evaporator arranged in the back of the storeroom and configured to generate cold air; a defrost heater arranged under the evaporator into which air flows and configured to remove frost or ice formed on the evaporator; a temperature sensor arranged on the top of the evaporator and configured to measure temperature; and a controller configured to stop operation of the defrost heater in a first defrost cycle based on a first measurement measured by the temperature sensor and stop operation of the defrost heater in a second defrost cycle based on a second measurement, which is different from the first measurement.Type: GrantFiled: November 27, 2019Date of Patent: July 18, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Min Soo Kim, Hee Moon Jeong, Kook Jeong Seo
-
Patent number: 11573035Abstract: An air conditioning device includes a plurality of ejectors which have a refrigerant circuit including a compressor, a condenser and an evaporator, are connected in parallel to the refrigerant circuit, and are formed so as to each have a different maximum refrigerant flow, and a control unit which, according to a driving condition of the air conditioning device, controls so that the refrigerant flows to one ejector among the plurality of ejectors, and the refrigerant does not flow to the rest of the ejectors.Type: GrantFiled: April 1, 2016Date of Patent: February 7, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: You-seop Lee, Hee-moon Jeong, Seong-ho Kil, Bo-heum Kim, Seok-uk Kim, Sun-soo Kim, Yong-taek Hong
-
Publication number: 20200173708Abstract: A refrigerator including a main body including a storeroom; an evaporator arranged in the back of the storeroom and configured to generate cold air; a defrost heater arranged under the evaporator into which air flows and configured to remove frost or ice formed on the evaporator; a temperature sensor arranged on the top of the evaporator and configured to measure temperature; and a controller configured to stop operation of the defrost heater in a first defrost cycle based on a first measurement measured by the temperature sensor and stop operation of the defrost heater in a second defrost cycle based on a second measurement, which is different from the first measurement.Type: ApplicationFiled: November 27, 2019Publication date: June 4, 2020Inventors: Min Soo KIM, Hee Moon JEONG, Kook Jeong SEO
-
Patent number: 10576485Abstract: As an ejector of the present disclosure and a cooling apparatus having the same include a suction guide unit at least partially having a curved surface so that the ejector guides a flow of a refrigerant, a structure is improved and thus a flow loss can be reduced. Also, through the improved structure, a mixture rate between a refrigerant passing through a nozzle unit and a refrigerant passing through a suction unit is improved, so that pressure rising efficiency can be increased to reduce a compressor load, and thus energy efficiency can be increased due to an increase in efficiency of the ejector.Type: GrantFiled: December 28, 2015Date of Patent: March 3, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee Moon Jeong, Yong Taek Hong, Seok Uk Kim, Seong Ho Kil, Bo Heum Kim, Yong Chan Kim, Jae Jun Lee, Yong Seok Jeon
-
Patent number: 10139139Abstract: Disclosed herein is a refrigeration cycle includes a first refrigerant circuit configured to cause a refrigerant ejected from a compressor to flow through a condenser, an ejector, a first evaporator, and a second evaporator and flow back to the compressor; a second refrigerant circuit configured to cause the refrigerant to bypass the first evaporator in the first refrigerant circuit; and a third refrigerant circuit branching at a junction provided at a downstream end of the condenser from at least one of the first refrigerant circuit and the second refrigerant circuit, and configured to cause the refrigerant to flow through an expansion device and a third evaporator and flow to the ejector. By such configuration, a coefficient of performance (COP) of a refrigeration cycle may be improved and an ejector may be used to improve energy efficiency.Type: GrantFiled: May 21, 2015Date of Patent: November 27, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Hee Moon Jeong, Seong Ho Kil, Seok Uk Kim, Keon Kuk, Yong Chan Kim, Jae Jun Lee, Yong Seok Jeon
-
Publication number: 20180274821Abstract: The present disclosure relates to an air conditioning device having a plurality of ejectors, the air conditioning device comprising a plurality of ejectors which have a refrigerant circuit comprising a compressor, a condenser and an evaporator, are connected in parallel to the refrigerant circuit, and are formed so as to each have a different maximum refrigerant flow, and a control unit which, according to a driving condition of the air conditioning device, controls so that the refrigerant flows to one ejector among the plurality of ejectors, and the refrigerant does not flow to the rest of the ejectors.Type: ApplicationFiled: April 1, 2016Publication date: September 27, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: You-seop LEE, Hee-moon JEONG, Seong-ho KIL, Bo-heum KIM, Seok-uk KIM, Sun-soo KIM, Yong-taek HONG
-
Publication number: 20170292740Abstract: Disclosed herein is a refrigeration cycle includes a first refrigerant circuit configured to cause a refrigerant ejected from a compressor to flow through a condenser, an ejector, a first evaporator, and a second evaporator and flow back to the compressor; a second refrigerant circuit configured to cause the refrigerant to bypass the first evaporator in the first refrigerant circuit; and a third refrigerant circuit branching at a junction provided at a downstream end of the condenser from at least one of the first refrigerant circuit and the second refrigerant circuit, and configured to cause the refrigerant to flow through an expansion device and a third evaporator and flow to the ejector. By such configuration, a coefficient of performance (COP) of a refrigeration cycle may be improved and an ejector may be used to improve energy efficiency.Type: ApplicationFiled: May 21, 2015Publication date: October 12, 2017Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Hee Moon JEONG, Seong Ho KIL, Seok Uk KIM, Keon KUK, Yong Chan KIM, Jae Jun LEE, Yong Seok JEON
-
Publication number: 20160187037Abstract: As an ejector of the present disclosure and a cooling apparatus having the same include a suction guide unit at least partially having a curved surface so that the ejector guides a flow of a refrigerant, a structure is improved and thus a flow loss can be reduced. Also, through the improved structure, a mixture rate between a refrigerant passing through a nozzle unit and a refrigerant passing through a suction unit is improved, so that pressure rising efficiency can be increased to reduce a compressor load, and thus energy efficiency can be increased due to an increase in efficiency of the ejector.Type: ApplicationFiled: December 28, 2015Publication date: June 30, 2016Inventors: Hee Moon JEONG, Yong Taek HONG, Seok Uk KIM, Seong Ho KIL, Bo Heum KIM, Yong Chan KIM, Jae Jun LEE, Yong Seok JEON
-
Publication number: 20150168024Abstract: A cooling cycle includes a first refrigerant circuit, a second refrigerant circuit and the third refrigerant circuit and switches the refrigerant circulation between the refrigerant circuits according to cooling modes so that a plurality of evaporators is efficiently controlled and Coefficient of Performance (COP) is improved by including an ejector.Type: ApplicationFiled: December 11, 2014Publication date: June 18, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byung Moo LEE, Hee Moon JEONG, Seong Ho KIL
-
Patent number: 8995894Abstract: An image fusing apparatus includes a heating belt including a resistance heating layer, an insulating layer formed on an inner surface of the resistance heating layer, and a release layer formed on an outer surface of the resistance heating layer; a heating supporting roller disposed (positioned) inside the heating belt and rotating with the heating belt; a pressing roller disposed (positioned) parallel to the heating supporting roller and in contact with the outer surface of the heating belt to form a nip; and an electricity supplying member to supply electricity to the resistance heating layer of the heating belt. A thickness of paper non-contact areas of opposite side end portions of the resistance heating layer of the heating belt is the same as or thicker than the thickness of a paper contact area of a middle portion of the resistance heating layer thereof.Type: GrantFiled: August 30, 2012Date of Patent: March 31, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-moon Jeong, Jin-seung Choi, Eun-bong Han, Keon Kuk, Young-min Cheong, Mu-kun An
-
Patent number: 8570633Abstract: Disclosed are several embodiments of a micro-electro-mechanical systems (MEMS) mirror and a mirror scanner employing the same. An optical scanning unit employing such mirror scanner and an image forming apparatus including the optical scanning unit are also disclosed. The MEMS mirror may include a movable unit, which may in turn include a mirror portion and a magnet frame portion. The mirror portion may have mirror surfaces on the face surface(s) thereof. The magnet frame portion may include an opening into which a magnet is received. The MEMS mirror may also include a first fixing end and a second fixing end, to which the moving unit may be elastically supported by one or more elastic members that allows oscillating or pivoting movement of the moving unit.Type: GrantFiled: July 29, 2009Date of Patent: October 29, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-Moon Jeong, Jin-Ho Lee, Jun-O Kim, Jong-Chul Choi
-
Publication number: 20130253271Abstract: Disclosed is an endoscope having a rotating device to axially rotate a bending member. The endoscope includes a flexible member which is freely bendable upon receiving external force, a bending member provided at a front end of the flexible member, the bending member being bendable with one degree of freedom, a rotating device rotatably coupled to the flexible member in an axial direction of the flexible member and serving to rotate the bending member in the axial direction, and an operating unit connected to the rotating device and having a rotation operation unit to rotate the rotating device.Type: ApplicationFiled: November 2, 2011Publication date: September 26, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee Moon Jeong, Jin Ho Lee, Kae Dong Back
-
Publication number: 20130064587Abstract: An image fusing apparatus includes a heating belt including a resistance heating layer, an insulating layer formed on an inner surface of the resistance heating layer, and a release layer formed on an outer surface of the resistance heating layer; a heating supporting roller disposed (positioned) inside the heating belt and rotating with the heating belt; a pressing roller disposed (positioned) parallel to the heating supporting roller and in contact with the outer surface of the heating belt to form a nip; and an electricity supplying member to supply electricity to the resistance heating layer of the heating belt. A thickness of paper non-contact areas of opposite side end portions of the resistance heating layer of the heating belt is the same as or thicker than the thickness of a paper contact area of a middle portion of the resistance heating layer thereof.Type: ApplicationFiled: August 30, 2012Publication date: March 14, 2013Applicant: Samsung Electronics Co., Ltd.Inventors: Hee-moon JEONG, Jin-seung CHOI, Eun-bong HAN, Keon KUK, Young-min CHEONG, Mu-kun AN
-
Patent number: 8218956Abstract: A driving system is provided. The driving system includes a fixed substrate, a coil unit which generates an electromagnetic force if an electric current applied, a magnet unit formed on the fixed substrate to face the coil unit, and a plurality of driving units which are interconnected with each other on the fixed substrate, and which are moved respectively in parallel direction with respect to a surface of the fixed substrate in accordance with an interaction between the electromagnetic force and a magnetic force of the magnet unit, if the electric current is applied. As a result, a non-contact driving is provided.Type: GrantFiled: April 22, 2008Date of Patent: July 10, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-moon Jeong, Sung-hee Lee
-
Patent number: 8134584Abstract: Disclosed are an image forming apparatus capable of, and method of, improving color registration. The image forming apparatus can employ a beam deflector having a double-sided mirror portion that pivots to bi-directionally scan multiple light beams on multiple photosensitive media at different phases by using both mirror sides of the double-sided mirror portion. The individual monochromic images developed on the photosensitive media are transferred onto a transfer medium to overlap one another in phase to form a full color image.Type: GrantFiled: September 11, 2009Date of Patent: March 13, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Chul Choi, Jun-O Kim, Jin-Ho Lee, Hee-Moon Jeong
-
Patent number: 7977207Abstract: A microelectromechanical systems (MEMS) device includes a frame, an actuator formed on the same layer as the frame and connected to the frame to be capable of performing a relative motion with respect to the frame, and at least one stopper restricting a displacement of the actuator in a direction along the height of the actuator. The MEMS device is fabricated by bonding a second substrate to a first substrate, forming the frame and the actuator by partially removing the first substrate, and forming the at least one stopper by partially removing the second substrate.Type: GrantFiled: August 13, 2010Date of Patent: July 12, 2011Assignee: Samsung Electro Mechanics Co., LtdInventors: Hee-moon Jeong, Jin-woo Cho, Yong-hwa Park, Jun-o Kim, Seok-mo Chang
-
Publication number: 20110058852Abstract: A charging device and an electrophotographic image forming apparatus including the same. A charging electrode of the charging device includes a porous insulating layer including a plurality of hollow rods vertically formed on a substrate formed of a conductive material, and a conductive nano structure formed in the hollow rods of the porous insulating layer. A grid electrode is supported by a spacer and is separated from the nano structure of the charging electrode. Furthermore, the charging electrode of the charging device may include a plurality of protrusions formed on a substrate, a porous insulating layer formed on the plurality of protrusions, and a conductive nano structure formed in hollow rods of the porous insulating layer.Type: ApplicationFiled: September 7, 2010Publication date: March 10, 2011Applicant: Samsung Electronics Co., LtdInventors: Hee-moon Jeong, Kae-dong Back, Jin-ho Lee
-
Publication number: 20100304517Abstract: A microelectromechanical systems (MEMS) device includes a frame, an actuator formed on the same layer as the frame and connected to the frame to be capable of performing a relative motion with respect to the frame, and at least one stopper restricting a displacement of the actuator in a direction along the height of the actuator. The MEMS device is fabricated by bonding a second substrate to a first substrate, forming the frame and the actuator by partially removing the first substrate, and forming the at least one stopper by partially removing the second substrate.Type: ApplicationFiled: August 13, 2010Publication date: December 2, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hee-moon Jeong, Jin-woo Cho, Yong-hwa Park, Jun-o Kim, Seok-mo Chang
-
Patent number: 7800280Abstract: A microelectromechanical systems (MEMS) device includes a frame, an actuator formed on the same layer as the frame and connected to the frame to be capable of performing a relative motion with respect to the frame, and at least one stopper restricting a displacement of the actuator in a direction along the height of the actuator. The MEMS device is fabricated by bonding a second substrate to a first substrate, forming the frame and the actuator by partially removing the first substrate, and forming the at least one stopper by partially removing the second substrate.Type: GrantFiled: October 16, 2007Date of Patent: September 21, 2010Assignee: Samsung Electro-Mechanics Co., LtdInventors: Hee-moon Jeong, Jin-woo Cho, Yong-hwa Park, Jun-o Kim, Seok-mo Chang
-
Patent number: 7750767Abstract: A micro electro mechanical system (MEMS) device is provided. The MEMS device includes: a stage which operates in a vibration mode; an axle which supports the stage and allows rotation of the stage; and a capacitive sensor which detects rotation of the stage. The capacitive sensor includes: a sensing arm which extends from the stage; driving combs which extend from the sensing arm and rotated together with the stage; fixed combs which are fixedly supported for engagement with the driving combs, the fixed combs including surfaces overlapping opposite surfaces of the driving combs in accordance with the rotation of the driving combs; and a capacitance sensing portion which detects a capacitance change of the driving combs and the fixed combs. Therefore, the MEMS device performs precise scanning by structurally preventing deformation of the stage having a light reflecting surface.Type: GrantFiled: February 27, 2007Date of Patent: July 6, 2010Assignee: Samsung Electro-Mechanics Co., LtdInventors: Hee-moon Jeong, Seok-jin Kang, Jin-woo Cho, Young-chul Ko, Hyun-ku Jeong