Patents by Inventor Shu-fan Liu
Shu-fan 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: 9651054Abstract: A series fan frame body structure made of different materials includes at least two fans, which are serially connected with each other. The fan frames of the two fans are made of different plastic materials. Accordingly, the excited frequency of the fan is prevented from being close to the natural frequency of the fan frames. Therefore, the vibration frequencies of the fan frames are different from each other so that the co-vibration is reduced to lower the noise. By means of the series fan frame body structure made of different materials, the problem of vibration of the fan is effectively improved.Type: GrantFiled: February 11, 2014Date of Patent: May 16, 2017Assignee: Asia Vital Components Co., Ltd.Inventors: Bor-Haw Chang, Shu-Fan Liu, Shu-Fen Liu
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Patent number: 9533374Abstract: A manufacturing method in which laser welding is used to weld multiple posts of a protection structure with multiple splits of the silicon steel sheet assembly of a stator module. The manufacturing method has high welding precision and excellent sealing effect. Also, the welding time is shortened and the thermal deformation is reduced.Type: GrantFiled: March 14, 2013Date of Patent: January 3, 2017Assignee: Asia Vital Components Co., Ltd.Inventors: Bor-Haw Chang, Shu-Fan Liu, Kuo-Chen Chang
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Patent number: 9523368Abstract: A fan includes a fan frame, a rotor, a stator module and a protection structure. The fan frame has a base seat and the stator module is disposed on the base seat. The stator module includes a silicon steel sheet assembly having multiple splits and multiple outer faces. The rotor is disposed in the fan frame corresponding to the outer faces of the silicon steel sheet assembly. The protection structure includes multiple posts corresponding to the splits of the silicon steel sheet assembly. The posts are welded with the splits by means of laser welding.Type: GrantFiled: March 4, 2013Date of Patent: December 20, 2016Assignee: Asia Vital Components Co., Ltd.Inventors: Bor-Haw Chang, Shu-Fan Liu, Kuo-Chen Chang
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Patent number: 9506473Abstract: A fan includes a fan frame, a rotor, a stator module and a protection structure. The fan frame has a base seat and the stator module is disposed on the base seat. The stator module includes a silicon steel sheet assembly having multiple splits and multiple outer faces. The rotor is disposed in the fan frame corresponding to the outer faces of the silicon steel sheet assembly. The protection structure includes multiple posts corresponding to the splits of the silicon steel sheet assembly. The posts are welded with the splits by means of laser welding.Type: GrantFiled: March 4, 2013Date of Patent: November 29, 2016Assignee: Asia Vital ComponentsInventors: Bor-Haw Chang, Shu-Fan Liu, Kuo-Chen Chang
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Publication number: 20150226230Abstract: A series fan frame body structure made of different materials includes at least two fans, which are serially connected with each other. The fan frames of the two fans are made of different plastic materials. Accordingly, the excited frequency of the fan is prevented from being close to the natural frequency of the fan frames. Therefore, the vibration frequencies of the fan frames are different from each other so that the co-vibration is reduced to lower the noise. By means of the series fan frame body structure made of different materials, the problem of vibration of the fan is effectively improved.Type: ApplicationFiled: February 11, 2014Publication date: August 13, 2015Applicant: Asia Vital Components Co., Ltd.Inventors: Bor-Haw Chang, Shu-Fan Liu, Shu-Fen Liu
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Publication number: 20150219120Abstract: A fan frame body structure includes a fan frame. The fan frame has an air inlet and an air outlet. The fan frame body structure is characterized in that the fan frame is composed of multiple frame layers, which are stacked to form the fan frame. The respective frame layers are made of different materials of different compositions with totally different vibration frequencies. The multiple frame layers of different materials with different vibration frequencies are stacked to form the fan frame so as to greatly reduce the co-vibration of the fan frame and lower the noise.Type: ApplicationFiled: January 31, 2014Publication date: August 6, 2015Applicant: Asia Vital Components Co., Ltd.Inventors: Bor-Haw Chang, Shu-Fan Liu, Shu-Fen Liu
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Patent number: 9057381Abstract: An oil-retaining bearing fan structure includes a fan base seat, an oil-retaining bearing and a fan impeller. The fan base seat has a bearing cup on one side. At least one magnetic member is enclosed in the bearing cup. The magnetic member serves to apply a magnetic attraction force to a shaft of the fan structure to make the shaft quickly restore to its optimal operation position so as to reduce wear and lower the noises and vibration of the fan structure in operation. Therefore, the lifetime of the fan structure can be prolonged.Type: GrantFiled: January 4, 2012Date of Patent: June 16, 2015Assignee: Asia Vital Components Co., Ltd.Inventors: Bor-Haw Chang, Shu-Fan Liu
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Publication number: 20140263210Abstract: A manufacturing method in which laser welding is used to weld multiple posts of a protection structure with multiple splits of the silicon steel sheet assembly of a stator module. The manufacturing method has high welding precision and excellent sealing effect. Also, the welding time is shortened and the thermal deformation is reduced.Type: ApplicationFiled: March 14, 2013Publication date: September 18, 2014Inventors: Bor-Haw Chang, Shu-Fan Liu, Kuo-Chen Chang
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Publication number: 20140248164Abstract: A fan includes a fan frame, a rotor, a stator module and a protection structure. The fan frame has a base seat and the stator module is disposed on the base seat. The stator module includes a silicon steel sheet assembly having multiple splits and multiple outer faces. The rotor is disposed in the fan frame corresponding to the outer faces of the silicon steel sheet assembly. The protection structure includes multiple posts corresponding to the splits of the silicon steel sheet assembly. The posts are welded with the splits by means of laser welding.Type: ApplicationFiled: March 4, 2013Publication date: September 4, 2014Inventors: Bor-Haw Chang, Shu-Fan Liu, Kuo-Chen Chang
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Publication number: 20140248165Abstract: A fan includes a fan frame, a rotor, a stator module and a protection structure. The fan frame has a base seat and the stator module is disposed on the base seat. The stator module includes a silicon steel sheet assembly having multiple splits and multiple outer faces. The rotor is disposed in the fan frame corresponding to the outer faces of the silicon steel sheet assembly. The protection structure includes multiple posts corresponding to the splits of the silicon steel sheet assembly. The posts are welded with the splits by means of laser welding.Type: ApplicationFiled: March 4, 2013Publication date: September 4, 2014Inventors: Bor-Haw Chang, Shu-Fan Liu, Kuo-Chen Chang
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Publication number: 20140079550Abstract: A fan bearing retaining structure includes a fan base seat having a bearing cup having a bearing hole. An inner circumferential wall of the bearing hole is formed with at least one restriction section and at least one recessed section. At least one elastic member and at least one retainer member are respectively positioned at the restriction section and the recessed section. A bearing is positioned between the elastic member and the retainer member. The elastic member serves to provide elastic force to tightly attach the bearing to the retainer member. Under such circumstance, the bearing is prevented from rotating or sliding within the bearing hole so as to avoid wear or failure of the bearing. Accordingly, the rotor assembly can smoothly operate.Type: ApplicationFiled: September 14, 2012Publication date: March 20, 2014Inventors: Shao-Jun Hong, Hsu-Jung Lin, Shu-Fan Liu
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Publication number: 20130189076Abstract: A series fan assembly structure includes a first fan and a second fan mated with the first fan. The first fan includes a first frame body and at least one mating section diagonally positioned on two opposite corners of one side of the first frame body. The second fan includes a second frame body and at least one connection section diagonally positioned on two opposite corners of one side of the second frame body corresponding to the mating section. The connection section is connected with the mating section, whereby the series fan assembly structure is easy to rework and has better vibration absorption effect.Type: ApplicationFiled: January 20, 2012Publication date: July 25, 2013Inventors: Shu-Fan Liu, Kuo-Chieh Chao
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Publication number: 20130171016Abstract: An oil-retaining bearing fan structure includes a fan base seat, an oil-retaining bearing and a fan impeller. The fan base seat has a bearing cup on one side. At least one magnetic member is enclosed in the bearing cup. The magnetic member serves to apply a magnetic attraction force to a shaft of the fan structure to make the shaft quickly restore to its optimal operation position so as to reduce wear and lower the noises and vibration of the fan structure in operation. Therefore, the lifetime of the fan structure can be prolonged.Type: ApplicationFiled: January 4, 2012Publication date: July 4, 2013Inventors: Bor-Haw Chang, Shu-Fan Liu
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Publication number: 20130149155Abstract: A rotor shaft includes a main body having a central portion and an extension portion. The extension portion has a plurality of extension sections radially outward extended from the central portion by different distances to together define a peripheral surface and a non-circular cross section of the main body. In a cooling fan using the rotor shaft, the main body of the rotor shaft is received in a shaft space internally defined by a bearing of the fan, and a lubricant is filled in a space left between the main body and the shaft space. With the non-circular cross section of the main body of the rotor shaft, the lubricant filled between the rotor shaft and the shaft space can have increased support pressure to thereby reduce the noise and vibration caused by frictional contact of the rotor shaft with the bearing during the operation of the cooling fan.Type: ApplicationFiled: December 7, 2011Publication date: June 13, 2013Applicant: ASIA VITAL COMPONENTS CO., LTD.Inventors: Bor-Haw Chang, Shu-Fan Liu
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Patent number: 8353671Abstract: A fan with pressurizing structure includes a rotor having a main body, blades spaced on the main body, a magnetic body annularly mounted in the main body, and a shaft axially connected to an inner side of the main body; a frame having a sleeve and at least one bearing rotatably received in the sleeve, and an opposing end of the shaft being inserted into the bearing; a stator assembly fitted around the sleeve and including silicon steel plates and a base plate; and a plurality of first pressurizing sections selectively provided on one of the base plate and an end face of the magnetic body. With the first pressurizing sections, deposition of moisture and salt fog in the sleeve and the rotor can be prevented to avoid corroded and damaged bearing and rotor shaft, and the service life of the whole fan is increased.Type: GrantFiled: October 15, 2009Date of Patent: January 15, 2013Assignee: Asia Vital Components Co., Ltd.Inventors: Bor-Haw Chang, Shu-Fan Liu, Chang-Hsien Liu
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Publication number: 20110091315Abstract: A fan with pressurizing structure includes a rotor having a main body, blades spaced on the main body, a magnetic body annularly mounted in the main body, and a shaft axially connected to an inner side of the main body; a frame having a sleeve and at least one bearing rotatably received in the sleeve, and an opposing end of the shaft being inserted into the bearing; a stator assembly fitted around the sleeve and including silicon steel plates and a base plate; and a plurality of first pressurizing sections selectively provided on one of the base plate and an end face of the magnetic body. With the first pressurizing sections, deposition of moisture and salt fog in the sleeve and the rotor can be prevented to avoid corroded and damaged bearing and rotor shaft, and the service life of the whole fan is increased.Type: ApplicationFiled: October 15, 2009Publication date: April 21, 2011Applicant: ASIA VITAL COMPONENTS CO., LTD.Inventors: Bor-Haw Chang, Shu-Fan Liu, Chang-Hsien Liu
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Publication number: 20040070605Abstract: A method and system of providing customization options for a portal user interface are provided. New content that may be selected for addition to a customized portal user interface associated with the user are identified for a user in a graphical user interface separately from previously available content that may be selected for addition to the customized portal user interface. If a selection is received of at least a part of the new content for addition to the customized portal user interface associated with the user, a user profile identifying content to be included in the customized portal user interface associated with the user is updated.Type: ApplicationFiled: October 11, 2002Publication date: April 15, 2004Inventors: Chien-Chung Huang, Tien-Der Chiang, Shu-Fan Liu, Chun-Yi Chen, Yueh-Ching Lee, Yi-Ling Huang
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Publication number: 20030158945Abstract: The present invention is directed to a single sign on computer system and method that provides the ability for users of a large enterprise network to log-on only one time via a single authentication to obtain access to authorized resources. The system has a client device capable of communicating with a server network; a server network having an account collaboration agent server; at least one web server; at least one database server associated with the at least one web server, wherein the at least three web servers are in communication with each other and with the client device; and means for securely defining a user profile, wherein the user profile is capable of being retrieved by the account collaboration agent server. The invention is further directed to a method of use that includes the step of performing a handshaking algorithm to provide secure communications between the network servers.Type: ApplicationFiled: February 19, 2002Publication date: August 21, 2003Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventor: Shu-Fan Liu
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Patent number: 6388196Abstract: A fan wire collection structure includes a base, a rise portion formed on the base, at least one flank supports each connecting to one side of the base, and at least one stop boards each connecting to one of the flank supports integrally, wherein wires are twisted in a space defined by the base, the rise portion, the at least one flank supports, and the at least one stop boards.Type: GrantFiled: February 10, 2000Date of Patent: May 14, 2002Assignee: Delta Electronics, Inc.Inventors: Shu-fan Liu, Kuo-cheng Lin, Wen-shi Huang