Patents by Inventor Hee Tae Park
Hee Tae Park 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: 12124225Abstract: The present invention relates to a satellite antenna integrated time-synchronization device for generating a time-synchronization signal from a satellite signal received from a satellite, which includes a case, a 1PPS synchronization module which is disposed in the case and is configured to generate at least a 1PPS signal from the satellite signal, and a signal processing means which is disposed in the case and is configured to generate an IRIG signal and communication data using the 1PPS signal input from the 1PPS synchronization module.Type: GrantFiled: March 29, 2019Date of Patent: October 22, 2024Assignee: Entec Electric and Electronic Co., LtdInventors: Young-Il Kim, Tae-Pung An, Heung-Ryeol Koh, Hee-Tae Park, Seok-Woo Lee, Nam-Hwan Kim, Jong-Mook Kang
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Publication number: 20220146688Abstract: The present invention relates to a satellite antenna integrated time-synchronization device for generating a time-synchronization signal from a satellite signal received from a satellite, which includes a case, a 1PPS synchronization module which is disposed in the case and is configured to generate at least a 1PPS signal from the satellite signal, and a signal processing means which is disposed in the case and is configured to generate an IRIG signal and communication data using the 1PPS signal input from the 1PPS synchronization module.Type: ApplicationFiled: March 29, 2019Publication date: May 12, 2022Inventors: YOUNG-IL KIM, Tae-Pung AN, Heung-Ryeol KOH, Hee-Tae PARK, Seok-Woo LEE, Nam-Hwan KIM, Jong-Mook KANG
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Patent number: 8667805Abstract: An air conditioner for communication equipment is provided. The air conditioner includes an indoor module disposed at an indoor space of a base station having communication equipment and including an indoor heat exchanger and an indoor ventilator, an outdoor module disposed at an outside of the base station and including an outdoor ventilator, a brine cooling cycle including first and second outdoor brine heat exchangers, and first and second brine coolers, the indoor heat exchanger, and a brine pump, which are connected through a brine pipe, a first refrigerant cooling cycle including an expansion valve, the first brine cooler, a compressor, and a first outdoor refrigerant heat exchanger, which are connected through a first refrigerant pipe, and a second refrigerant cooling cycle including an expansion valve, the second brine cooler, a compressor, and a second outdoor refrigerant heat exchanger, which are connected through a second refrigerant pipe.Type: GrantFiled: September 15, 2006Date of Patent: March 11, 2014Assignee: Chang Jo 21 Co., Ltd.Inventor: Hee Tae Park
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Patent number: 8667810Abstract: An air conditioner for communication equipment is provided. The air conditioner includes an indoor module disposed at an indoor space of a base station having communication equipment and including an indoor heat exchanger and an indoor ventilator disposed closely to the indoor heat exchanger, an outdoor module disposed at an outside of the base station and including an outdoor ventilator, a brine cooling cycle including the indoor heat exchanger on a brine pipe, a brine pump, first and second outdoor brine heat exchanger, and first and second brine coolers, which are connected in a brine circulating direction, and a refrigerant cooling cycle including first and second expansion valves on a refrigerant pipe, the first and second brine coolers on the brine pipe, first and second compressors, first and second outdoor refrigerant heat exchangers, which are connected in a refrigerant circulating direction.Type: GrantFiled: September 15, 2006Date of Patent: March 11, 2014Assignee: Chang Jo 21 Co., Ltd.Inventor: Hee Tae Park
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Patent number: 8322159Abstract: An air conditioning system for communication equipment includes an indoor module placed inside a base station and an outdoor module placed outside the base station. The indoor module has a first indoor heat exchanger installed on a brine pipe and having a heat exchange tube, an expansion valve installed on a refrigerant pipe, a second indoor heat exchanger having a heat exchange tube to which the refrigerant pipe is connected, a compressor for compressing refrigerant, and an indoor blower. The outdoor module has a brine pump installed on the brine pipe, a first outdoor heat exchanger having a heat exchange tube to which the brine pipe extending from the brine pump and the first indoor heat exchanger is connected, a second outdoor heat exchanger having a heat exchange tube to which the refrigerant pipe, extending from the compressor and the expansion valve, is connected, and an outdoor blower.Type: GrantFiled: September 15, 2006Date of Patent: December 4, 2012Assignee: Chang Jo 21 Co., Ltd.Inventor: Hee Tae Park
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Patent number: 7984621Abstract: An air conditioning system for communication equipment. An indoor module has expansion valves installed on refrigerant pipes, brine coolers each having heat exchange tubes to which the refrigerant pipe extending from each expansion valve and a separate brine pipe are connected, compressors for compressing refrigerant, an indoor heat exchanger having a heat exchange tube to which the brine pipe extending from the brine coolers is connected, and an indoor blower. An outdoor module has circulation pumps connected in parallel to the brine pipe extending from the indoor heat exchanger, outdoor heat exchangers connected in series with each other while facing each other and each having a heat exchange tube to which the brine pipe extending from the circulation pumps is connected, condensers facing each other and having tubes to which the refrigerant pipes extending from the compressors are connected in parallel, and an outdoor blower.Type: GrantFiled: September 15, 2006Date of Patent: July 26, 2011Assignee: Chang Jo 21 Co., Ltd.Inventor: Hee Tae Park
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Patent number: 7874171Abstract: An air conditioner for communication equipment according to the present invention comprises an indoor module located inside a base station, and having a storage tank in which cooling water is stored, a pair of circulation pumps which are installed in parallel on a cooling water pipe extending from an outlet of the storage tank, an indoor heat exchanger which is installed on the cooling water pipe extending from outlets of the circulation pumps, and an indoor blower which is positioned adjacent to the indoor heat exchanger; and an outdoor module located outside the base station, and having an outdoor heat exchanger which is installed on the cooling water pipe extending from an outlet of the indoor heat exchanger, an outdoor blower which is positioned adjacent to the outdoor heat exchanger, and a pair of cooling units which are installed in series on the cooling water pipe extending from an outlet of the outdoor heat exchanger.Type: GrantFiled: July 6, 2005Date of Patent: January 25, 2011Assignee: Chang Jo 21 Co., Ltd.Inventor: Hee Tae Park
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Publication number: 20100236263Abstract: An air conditioner for communication equipment is provided. The air conditioner includes an indoor module disposed at an indoor space of a base station having communication equipment and including an indoor heat exchanger and an indoor ventilator, an outdoor module disposed at an outside of the base station and including an outdoor ventilator, a brine cooling cycle including first and second outdoor brine heat exchangers, and first and second brine coolers, the indoor heat exchanger, and a brine pump, which are connected through a brine pipe, a first refrigerant cooling cycle including an expansion valve, the first brine cooler, a compressor, and a first outdoor refrigerant heat exchanger, which are connected through a first refrigerant pipe, and a second refrigerant cooling cycle including an expansion valve, the second brine cooler, a compressor, and a second outdoor refrigerant heat exchanger, which are connected through a second refrigerant pipe.Type: ApplicationFiled: September 15, 2006Publication date: September 23, 2010Applicant: CHANG JO 21 CO., LTD.Inventor: Hee Tae Park
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Publication number: 20100186442Abstract: An air conditioner for communication equipment is provided. The air conditioner includes an indoor module disposed at an indoor space of a base station having communication equipment and including an indoor heat exchanger and an indoor ventilator disposed closely to the indoor heat exchanger, an outdoor module disposed at an outside of the base station and including an outdoor ventilator, a brine cooling cycle including the indoor heat exchanger on a brine pipe, a brine pump, first and second outdoor brine heat exchanger, and first and second brine coolers, which are connected in a brine circulating direction, and a refrigerant cooling cycle including first and second expansion valves on a refrigerant pipe, the first and second brine coolers on the brine pipe, first and second compressors, first and second outdoor refrigerant heat exchangers, which are connected in a refrigerant circulating direction.Type: ApplicationFiled: September 15, 2006Publication date: July 29, 2010Inventor: Hee Tae Park
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Publication number: 20090056370Abstract: An air conditioning system for communication equipment includes an indoor module placed inside a base station and an outdoor module placed outside the base station. The indoor module has a first indoor heat exchanger installed on a brine pipe and having a heat exchange tube, an expansion valve installed on a refrigerant pipe, a second indoor heat exchanger having a heat exchange tube to which the refrigerant pipe is connected, a compressor for compressing refrigerant, and an indoor blower. The outdoor module has a brine pump installed on the brine pipe, a first outdoor heat exchanger having a heat exchange tube to which the brine pipe extending from the brine pump and the first indoor heat exchanger is connected, a second outdoor heat exchanger having a heat exchange tube to which the refrigerant pipe, extending from the compressor and the expansion valve, is connected, and an outdoor blower.Type: ApplicationFiled: September 15, 2006Publication date: March 5, 2009Applicant: CHANG JO 21 CO., LTD.Inventor: Hee Tae Park
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Publication number: 20090019874Abstract: An air conditioner for communication equipment according to the present invention comprises an indoor module located inside a base station, and having a storage tank in which cooling water is stored, a pair of circulation pumps which are installed in parallel on a cooling water pipe extending from an outlet of the storage tank, an indoor heat exchanger which is installed on the cooling water pipe extending from outlets of the circulation pumps, and an indoor blower which is positioned adjacent to the indoor heat exchanger; and an outdoor module located outside the base station, and having an outdoor heat exchanger which is installed on the cooling water pipe extending from an outlet of the indoor heat exchanger, an outdoor blower which is positioned adjacent to the outdoor heat exchanger, and a pair of cooling units which are installed in series on the cooling water pipe extending from an outlet of the outdoor heat exchanger.Type: ApplicationFiled: July 6, 2005Publication date: January 22, 2009Applicant: CHANG JO 21 CO., LTD.Inventor: Hee Tae Park
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Publication number: 20080250807Abstract: An air conditioning system for communication equipment. An indoor module has expansion valves installed on refrigerant pipes, brine coolers each having heat exchange tubes to which the refrigerant pipe extending from each expansion valve and a separate brine pipe are connected, compressors for compressing refrigerant, an indoor heat exchanger having a heat exchange tube to which the brine pipe extending from the brine coolers is connected, and an indoor blower. An outdoor module has circulation pumps connected in parallel to the brine pipe extending from the indoor heat exchanger, outdoor heat exchangers connected in series with each other while facing each other and each having a heat exchange tube to which the brine pipe extending from the circulation pumps is connected, condensers facing each other and having tubes to which the refrigerant pipes extending from the compressors are connected in parallel, and an outdoor blower.Type: ApplicationFiled: September 15, 2006Publication date: October 16, 2008Applicant: CHANG JO 21 CO., LTDInventor: Hee Tae Park