Patents by Inventor Wenwen Liu
Wenwen Liu 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: 11006496Abstract: In one embodiment, a filament for LED filament lamp is presented, that includes a light-transmissive substrate; at least one LED die mounted on the light-transmissive substrate; and at least one current regulator mounted on the light-transmissive substrate, wherein the current regulator is connected in series with the at least one LED. In another embodiment, an LED filament lamp is presented, that includes a dimmable LED driver circuit; a first channel LED array with at least two LED die and a first forward voltage drop; and a second channel LED array with at least one LED dies and at least one current regulator to cause a second forward voltage drop of the second channel LED array to increase as current through the second channel LED array increases, wherein the second channel LED array is connected in parallel with the first channel LED array.Type: GrantFiled: November 19, 2019Date of Patent: May 11, 2021Inventors: Pusong An, Wenwen Liu, Ming Chen, Liu Yi
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Patent number: 10944141Abstract: The disclosure relates to a composite end plate and a battery module. The composite end plate comprises an end plate body and a rigid connecting plate. The end plate body comprises a first surface and a second surface disposed opposite to each other in its thickness direction, a first connecting segment, an intermediate transitional segment and a second connecting segment disposed successively in its width direction. The rigid connecting plate and the end plate body are made of different materials. The rigid connecting plate is disposed at the intermediate transitional segment, and comprises a transferring segment and a connecting arm embedded into the intermediate transitional segment such that the rigid connecting plate and the end plate body are fixedly connected. The transferring segment is located at the second surface. A surface of the transferring segment away from the intermediate transitional segment can be fixedly connected to an external structural component.Type: GrantFiled: December 19, 2018Date of Patent: March 9, 2021Assignee: Contemporary Amperex Technology Co., LimitedInventors: Wenwen Liu, Gen Cao, Jihua Yao
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Patent number: 10720617Abstract: The present disclosure relates to a composite end plate for a battery module, comprising: a rigid substrate comprising a first surface and a second surface opposite to each other in a thickness direction of the rigid substrate, wherein the first surface can be provided to face a battery of the battery module, and the rigid substrate comprises two ends opposite to each other in a width direction of the rigid substrate; and a rigid connecting cylinder extending along a height direction of the rigid substrate and made of different material from that of the rigid substrate, wherein two ends of the rigid substrate are connected and fixed to two respective rigid connecting cylinders, and a portion of the rigid connecting cylinder exposed at a side where the second surface is located is connected and fixed to an external structural member.Type: GrantFiled: December 20, 2018Date of Patent: July 21, 2020Assignee: Contemporary Amperex Technology Co., LimitedInventors: Gen Cao, Wencai Xu, Jihua Yao, Wenwen Liu
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Publication number: 20200154545Abstract: In one embodiment, a filament for LED filament lamp is presented, that includes a light-transmissive substrate; at least one LED die mounted on the light-transmissive substrate; and at least one current regulator mounted on the light-transmissive substrate, wherein the current regulator is connected in series with the at least one LED. In another embodiment, an LED filament lamp is presented, that includes a dimmable LED driver circuit; a first channel LED array with at least two LED die and a first forward voltage drop; and a second channel LED array with at least one LED dies and at least one current regulator to cause a second forward voltage drop of the second channel LED array to increase as current through the second channel LED array increases, wherein the second channel LED array is connected in parallel with the first channel LED array.Type: ApplicationFiled: November 19, 2019Publication date: May 14, 2020Applicant: Shanghai Qiangling Electronic Co., Ltd.Inventors: Pusong An, Wenwen Liu, Ming Chen, Liu Yi
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Publication number: 20190207194Abstract: The disclosure relates to a composite end plate and a battery module. The composite end plate comprises an end plate body and a rigid connecting plate. The end plate body comprises a first surface and a second surface disposed opposite to each other in its thickness direction, a first connecting segment, an intermediate transitional segment and a second connecting segment disposed successively in its width direction. The rigid connecting plate and the end plate body are made of different materials. The rigid connecting plate is disposed at the intermediate transitional segment, and comprises a transferring segment and a connecting arm embedded into the intermediate transitional segment such that the rigid connecting plate and the end plate body are fixedly connected. The transferring segment is located at the second surface. A surface of the transferring segment away from the intermediate transitional segment can be fixedly connected to an external structural component.Type: ApplicationFiled: December 19, 2018Publication date: July 4, 2019Applicant: Contemporary Amperex Technology Co., LimitedInventors: Wenwen LIU, Gen CAO, Jihua YAO
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Publication number: 20190207178Abstract: The present disclosure relates to a composite end plate for a battery module, comprising: a rigid substrate comprising a first surface and a second surface opposite to each other in a thickness direction of the rigid substrate, wherein the first surface can be provided to face a battery of the battery module, and the rigid substrate comprises two ends opposite to each other in a width direction of the rigid substrate; and a rigid connecting cylinder extending along a height direction of the rigid substrate and made of different material from that of the rigid substrate, wherein two ends of the rigid substrate are connected and fixed to two respective rigid connecting cylinders, and a portion of the rigid connecting cylinder exposed at a side where the second surface is located is connected and fixed to an external structural member.Type: ApplicationFiled: December 20, 2018Publication date: July 4, 2019Applicant: Contemporary Amperex Technology Co., LimitedInventors: Gen CAO, Wencai XU, Jihua YAO, Wenwen LIU
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Patent number: 9991998Abstract: The present invention discloses a method, an apparatus and a computer program for resource contention in device-to-device communication links. The method partitions the time-frequency radio resource grid with a resource block set forming the resource unit in the grid, for all available, used and unusable frequency bands around a given virtual central frequency. Each resource block set is partitioned into a common control channel and a data channel. With a given procedure of control data transmission between transmitting and receiving user terminals, the resources are competed and shared. Frequency shifting with short distance frequency change or frequency transference with a larger frequency hopping into a free radio resource is available. The competition procedure is done in order to fairly share the frequency bands as a function of time between different device-to-device communication links in a localized manner.Type: GrantFiled: November 25, 2011Date of Patent: June 5, 2018Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.Inventors: Tao Peng, Ziyang Liu, Wenwen Liu, Songling Wang, Zixi Fu, Haiming Wang, Tao Chen
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Publication number: 20140355557Abstract: The present invention discloses a method, an apparatus and a computer program for resource contention in device-to-device communication links. The method partitions the time-frequency radio resource grid with a resource block set forming the resource unit in the grid, for all available, used and unusable frequency bands around a given virtual central frequency. Each resource block set is partitioned into a common control channel and a data channel. With a given procedure of control data transmission between transmitting and receiving user terminals, the resources are competed and shared. Frequency shifting with short distance frequency change or frequency transference with a larger frequency hopping into a free radio resource is available. The competition procedure is done in order to fairly share the frequency bands as a function of time between different device-to-device communication links in a localized manner.Type: ApplicationFiled: November 25, 2011Publication date: December 4, 2014Inventors: Tao Peng, Ziyang Liu, Wenwen Liu, Songling Wang, Zixi Fu, Haiming Wang, Tao Chen
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Patent number: 8360503Abstract: Disclosed herein is a sealing device disposed between a vehicle door and a vehicle body and a vehicle door sealing rubber strip thereof. The sealing rubber strip is sleeved on a door pipe of the vehicle door. The vehicle door sealing rubber strip is an annular rubber body constituted by a drain segment and a non-drain segment. The annular rubber body includes a hollow rubber ring made of foaming rubber and a groove-shaped rubber ring made of compacted solid rubber and provided with a pipe body mounting groove at the inner side of the groove-shaped rubber ring. An air hole is provided in the hollow rubber ring, and a small water flowing trench is provided at the bottom surface of the pipe body mounting groove of the groove-shaped rubber ring. A fixing groove with a broad bottom and a narrow opening is provided on one external side of the groove-shaped rubber ring.Type: GrantFiled: June 22, 2011Date of Patent: January 29, 2013Assignee: Liuzhou Wuling Motors Co., Ltd.Inventors: Liufeng Zhang, Zaili Liu, Zhaoyu Li, Jianshe Chen, Wenwen Liu
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Patent number: 8342601Abstract: A roof for a recreational vehicle may include a roof frame made by bending circular tubes and a roof plate. The roof plate is connected to the roof frame via a roof plate sealing rubber strip and a frame sealing rubber strip. The roof plate sealing rubber strip covers the peripheral edge of the roof plate through a groove formed at one side of the roof plate sealing rubber strip, and the other side of the roof plate sealing rubber strip is inserted into a slot of the top of the frame sealing rubber strip and is clamped by lips on both sides of the slot, and the frame sealing rubber strip is adhered onto the roof frame.Type: GrantFiled: June 22, 2011Date of Patent: January 1, 2013Assignee: Liuzhou Wuling Motors Co., Ltd.Inventors: Liufeng Zhang, Jianshe Chen, Changping Liang, Wenwen Liu, Ping Li
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Patent number: 8205930Abstract: Disclosed herein is a vehicle door with an irregular-circular frame for a recreational vehicle. A door window glass of the vehicle door includes a fixed glass (2) and a movable glass (1). The fixed glass (2) is fixedly installed in a portion of the door window surrounded by a lower door body (6), an outer frame (5) and a movable glass guide rail (9). The movable glass guild rail (9) has an arc rail. The movable glass (1) is installed on the lower door body (6) at the center of the arc of the movable glass guide rail (9) via a shaft sleeve and a shaft (4). A lock member (3) with a lock pin is installed on the upper part of the portion where the movable glass (1) engages with the movable glass guide rail (9). A stop block for adjusting the opening degree of the movable glass and stopping the lock pin of the lock member (3) is provided on the movable glass guide rail (9).Type: GrantFiled: June 2, 2011Date of Patent: June 26, 2012Assignee: Liuzhou Wuling Motors Co., Ltd.Inventors: Liufeng Zhang, Jianshe Chen, Zhaoyu Li, Zaili Liu, Rui He, Wenwen Liu
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Publication number: 20120139286Abstract: Disclosed herein is a vehicle door with an irregular-circular frame for a recreational vehicle. A door window glass of the vehicle door includes a fixed glass (2) and a movable glass (1). The fixed glass (2) is fixedly installed in a portion of the door window surrounded by a lower door body (6), an outer frame (5) and a movable glass guide rail (9). The movable glass guild rail (9) has an arc rail. The movable glass (1) is installed on the lower door body (6) at the centre of the arc of the movable glass guide rail (9) via a shaft sleeve and a shaft (4). A lock member 3 with a lock pin is installed on the upper part of the portion where the movable glass 1 engages with the movable glass guide rail (9). A stop block for adjusting the opening degree of the movable glass and stopping the lock pin of the lock member (3) is provided on the movable glass guide rail (9).Type: ApplicationFiled: June 2, 2011Publication date: June 7, 2012Applicant: LIUZHOU WULING MOTORS CO., LTD.Inventors: Liufeng ZHANG, Jianshe CHEN, Zhaoyu LI, Zaili LIU, Rui HE, Wenwen LIU
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Publication number: 20120139298Abstract: Herein disclosed is a roof for a recreational vehicle including a roof frame made by bending circular tubes and a roof plate. The roof plate is connected to the roof frame via a roof plate sealing rubber strip and a frame sealing rubber strip. The roof plate sealing rubber strip covers the peripheral edge of the roof plate through a groove formed at one side of the roof plate sealing rubber strip, and the other side of the roof plate sealing rubber strip is inserted into a slot of the top of the frame sealing rubber strip and is clamped by lips on both sides of the slot, and the frame sealing rubber strip is adhered onto the roof frame. Compared with a conventional roof for a recreational vehicle, such roof for a recreational vehicle according to the present invention can solve the problem that the roof frame made of circular tubes and the roof plate cannot be flushed with each other and the problem of the leakage of rain.Type: ApplicationFiled: June 22, 2011Publication date: June 7, 2012Applicant: LIUZHOU WULING MOTORS CO., LTD.Inventors: Liufeng ZHANG, Jianshe CHEN, Changping LIANG, Wenwen LIU, Ping LI
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Publication number: 20120137594Abstract: Disclosed herein is a sealing device disposed between a vehicle door and a vehicle body and a vehicle door sealing rubber strip thereof. The sealing rubber strip is sleeved on a door pipe of the vehicle door. The vehicle door sealing rubber strip is an annular rubber body constituted by a drain segment and a non-drain segment. The annular rubber body includes a hollow rubber ring made of foaming rubber and a groove-shaped rubber ring made of compacted solid rubber and provided with a pipe body mounting groove at the inner side of the groove-shaped rubber ring. An air hole is provided in the hollow rubber ring, and a small water flowing trench is provided at the bottom surface of the pipe body mounting groove of the groove-shaped rubber ring. A fixing groove with a broad bottom and a narrow opening is provided on one external side of the groove-shaped rubber ring.Type: ApplicationFiled: June 22, 2011Publication date: June 7, 2012Applicant: LIUZHOU WULING MOTORS CO., LTD.Inventors: Liufeng ZHANG, Zaili LIU, Zhaoyu LI, Jianshe CHEN, Wenwen LIU