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公开(公告)号:US20210095089A1
公开(公告)日:2021-04-01
申请号:US17000640
申请日:2020-08-24
发明人: Jung Wook LEE , Se Hoon KIM , Ji Wan KIM , Jin Hyung LEE , Seong Je KIM , Dae Yong KIM , Jong Hyun RYU , Myung Sik LEE , Min Seo WU
摘要: Disclosed are a polyurethane foam composition for sound-absorbing materials, a method for manufacturing a polyurethane foam and a polyurethane foam manufactured using the method. Particularly, disclosed are a composition containing a polyol mixture including a polyol and an additive, and isocyanate, and the manufacture of a low-density polyurethane foam for sound-absorbing materials, which is imparted with improved appearance formability, reduced smell and enhanced sound absorption performance by controlling the content of the composition and the conditions for foaming the composition.
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公开(公告)号:US20200156498A1
公开(公告)日:2020-05-21
申请号:US16393828
申请日:2019-04-24
发明人: Jong Chan JUN , Deok Hwan SEO , Kwon Hyoung CHOI , Jin Hyung LEE
摘要: For informing a user of a current battery SOC (State Of Charge) value (%) and a cost required for a full charging, an apparatus for providing charging information of an electric vehicle includes storage that stores chargeable capacity information of a battery mounted in the electric vehicle, a communication module that receives a charging fee schedule of a charging station, a controller area network (CAN) connection module that acquires charged amount information corresponding to a current SOC value of the battery, a controller that calculates an expected charging cost based on the chargeable capacity information of the battery, the charged amount information corresponding to the current SOC value of the battery, and the charging fee schedule, and a displaying assembly that displays the calculated expected charging cost and the current SOC value of the battery.
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公开(公告)号:US20180056754A1
公开(公告)日:2018-03-01
申请号:US15367824
申请日:2016-12-02
发明人: Kwon Hyoung CHOI , Jin Hyung LEE , Hyun Woo SHIN , Wan Je CHO
IPC分类号: B60H1/32
CPC分类号: B60H1/3208 , B60H1/3214 , B60H2001/3241 , B60H2001/3248 , B60H2001/3255 , B60H2001/3266 , B60H2001/3272
摘要: A method for controlling an air conditioner compressor includes: driving the air conditioner compressor for a first time at a first revolutions per minute (RPM) smaller than a minimum lubrication demand RPM when a lubrication demand RPM of the air conditioner compressor is smaller than the minimum lubrication demand RPM; and driving the air conditioner compressor for a second time at the minimum lubrication demand RPM when the lubrication demand RPM of the air conditioner compressor is smaller than the minimum lubrication demand RPM after the first time elapse.
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公开(公告)号:US20210402849A1
公开(公告)日:2021-12-30
申请号:US17076543
申请日:2020-10-21
发明人: Kwon Hyoung CHOI , Jin Hyung LEE , Dea Ki CHEONG
IPC分类号: B60H1/00 , H01M10/625 , H01M10/613 , B60L58/26
摘要: A vehicle battery management apparatus and a method thereof are provided. The vehicle battery management apparatus includes a battery that supplies power to a vehicle, a cooling device that cools the battery and a controller that monitors a state of the battery during parking and controls the cooling device to cool the battery with a cooling level corresponding to the state of the battery.
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