Patents by Inventor Lianjing Niu
Lianjing Niu 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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Publication number: 20200166042Abstract: A centrifugal pump is provided, which includes a rotor assembly, the rotor assembly includes an impeller including multiple blades and a blade fixing portion, the blades and the blade fixing portion are integrally formed by injection molding, and the blades are circumferentially distributed at equal intervals along the blade fixing portion. The blade includes a first side, a second side, a blade top portion and a blade root portion, and the blade root portion and the blade fixing portion are fixed by injection molding. The blade top portion is a cantilever end of the blade, and the first side and the second side are arranged between the blade root portion and the blade top portion. The rotor assembly arranged in such manner can improve the hydraulic efficiency and lift of the centrifugal pump.Type: ApplicationFiled: January 28, 2020Publication date: May 28, 2020Applicant: Zhejiang Sanhua Automotive Components Co., Ltd.Inventors: Lianjing Niu, Rongrong Zhang, Junfeng Bao, Junchao Zhang, Jun Zhang
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Patent number: 10590947Abstract: An impeller is provided, which includes an upper plate, blades, and a lower plate. The blades are arranged between the upper plate and lower plate. The upper plate includes an upper surface and a lower surface, the blades are integrally formed with the upper plate by injection molding, and the blades are located at the lower surface of the upper plate. The blades include first blades. Each of the first blades includes one arc, a combination of multiple arcs, or a combination of multiple arcs and straight lines. The first blades are uniformly distributed along a circumference of the upper plate, and the first blade includes a first tail, and the first tail of the first blade make a first side of the first blade have no intersection with an outer edge of the upper plate.Type: GrantFiled: September 20, 2016Date of Patent: March 17, 2020Assignee: Zhejiang Sanhua Automotive Components Co., Ltd.Inventors: Lianjing Niu, Chen Fang, Ri Zhou, Junfeng Bao
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Patent number: 10584705Abstract: A centrifugal pump is provided, which includes a rotor assembly, the rotor assembly includes an impeller including multiple blades and a blade fixing portion, the blades and the blade fixing portion are integrally formed by injection molding, and the blades are circumferentially distributed at equal intervals along the blade fixing portion. The blade includes a first side, a second side, a blade top portion and a blade root portion, and the blade root portion and the blade fixing portion are fixed by injection molding. The blade top portion is a cantilever end of the blade, and the first side and the second side are arranged between the blade root portion and the blade top portion. The rotor assembly arranged in such manner can improve the hydraulic efficiency and lift of the centrifugal pump.Type: GrantFiled: April 27, 2016Date of Patent: March 10, 2020Assignee: Zhejiang Sanhua Automotive Components Co., Ltd.Inventors: Lianjing Niu, Rongrong Zhang, Junfeng Bao, Junchao Zhang, Jun Zhang
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Patent number: 10415582Abstract: An electrically driven pump is provided, which includes an impeller. The impeller includes an upper plate, blades and a lower plate. The blades are formed on a lower surface of the upper plate, the blades include first blades and second blades, and a length of each of the first blades is greater than a length of each of the second blades. The first blades are uniformly distributed along a circumference of the upper plate. The first blades and the second blades are distributed alternately in the circumferential direction. The first blades each include a first head portion and a first tail portion, the second blade includes a second head portion and a second tail portion, and the first tail portion and the second tail portion are aligned with outer edge of the upper plate. The impeller arranged in such manner facilitates the improvement of hydraulic efficiency and lift.Type: GrantFiled: June 28, 2016Date of Patent: September 17, 2019Assignee: HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.Inventors: Lianjing Niu, Junchao Zhang, Rongrong Zhang, Junfeng Bao, Chen Fang
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Patent number: 10405729Abstract: A heat pump for a dishwasher includes an upper shell (10) defining an upper chamber (100) therein, a heating pipe (20) disposed in the upper chamber (100), a lower shell (30) defining a lower chamber (300) therein and detachably connected with the upper shell (10), an impeller (40) disposed in the lower chamber (300), and a flowing guide (50) disposed in the upper chamber (100) and adjacent to the heating pipe (20). The upper shell (10) includes an inlet (101) disposed in an upper end surface thereof and communicated with the upper chamber (100). A dishwasher including the heat pump is also provided. With a guiding effect of the flowing guide (50), the stream may contact with the heating pipe (20) and perform a complete heat exchange with the heating pipe (20), thus enhancing the heat exchanging efficiency of the heating pipe (20) and totally improving the heating efficiency of the heat pump.Type: GrantFiled: January 12, 2015Date of Patent: September 10, 2019Assignee: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG. CO., LTD.Inventors: Chuanjiang Guo, Lianjing Niu, Feng Gao
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Publication number: 20170209019Abstract: A heat pump for a dishwasher includes an upper shell (10) defining an upper chamber (100) therein, a heating pipe (20) disposed in the upper chamber (100), a lower shell (30) defining a lower chamber (300) therein and detachably connected with the upper shell (10), an impeller (40) disposed in the lower chamber (300), and a flowing guide (50) disposed in the upper chamber (100) and adjacent to the heating pipe (20). The upper shell (10) includes an inlet (101) disposed in an upper end surface thereof and communicated with the upper chamber (100). A dishwasher including the heat pump is also provided. With a guiding effect of the flowing guide (50), the stream may contact with the heating pipe (20) and perform a complete heat exchange with the heating pipe (20), thus enhancing the heat exchanging efficiency of the heating pipe (20) and totally improving the heating efficiency of the heat pump.Type: ApplicationFiled: January 12, 2015Publication date: July 27, 2017Inventors: Chuanjiang GUO, Lianjing NIU, Feng GAO
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Publication number: 20170089355Abstract: An impeller is provided, which includes an upper plate, blades, and a lower plate. The blades are arranged between the upper plate and lower plate. The upper plate includes an upper surface and a lower surface, the blades are integrally formed with the upper plate by injection molding, and the blades are located at the lower surface of the upper plate. The blades include first blades. Each of the first blades includes one arc, a combination of multiple arcs, or a combination of multiple arcs and straight lines. The first blades are uniformly distributed along a circumference of the upper plate, and the first blade includes a first tail, and the first tail of the first blade make a first side of the first blade have no intersection with an outer edge of the upper plate.Type: ApplicationFiled: September 20, 2016Publication date: March 30, 2017Applicant: Hangzhou Sanhua Research Institute Co., Ltd.Inventors: Lianjing Niu, Chen Fang, Ri Zhou, Junfeng Bao
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Publication number: 20170009779Abstract: An electrically driven pump is provided, which includes an impeller. The impeller includes an upper plate, blades and a lower plate. The blades are formed on a lower surface of the upper plate, the blades include first blades and second blades, and a length of each of the first blades is greater than a length of each of the second blades. The first blades are uniformly distributed along a circumference of the upper plate. The first blades and the second blades are distributed alternately in the circumferential direction. The first blades each include a first head portion and a first tail portion, the second blade includes a second head portion and a second tail portion, and the first tail portion and the second tail portion are aligned with outer edge of the upper plate. The impeller arranged in such manner facilitates the improvement of hydraulic efficiency and lift.Type: ApplicationFiled: June 28, 2016Publication date: January 12, 2017Applicant: HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.Inventors: Lianjing NIU, Junchao ZHANG, Rongrong ZHANG, Junfeng BAO, Chen FANG
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Publication number: 20160319822Abstract: A centrifugal pump is provided, which includes a rotor assembly, the rotor assembly includes an impeller including multiple blades and a blade fixing portion, the blades and the blade fixing portion are integrally formed by injection molding, and the blades are circumferentially distributed at equal intervals along the blade fixing portion. The blade includes a first side, a second side, a blade top portion and a blade root portion, and the blade root portion and the blade fixing portion are fixed by injection molding. The blade top portion is a cantilever end of the blade, and the first side and the second side are arranged between the blade root portion and the blade top portion. The rotor assembly arranged in such manner can improve the hydraulic efficiency and lift of the centrifugal pump.Type: ApplicationFiled: April 27, 2016Publication date: November 3, 2016Applicant: Hangzhou Sanhua Research Institute Co., Ltd.Inventors: Lianjing Niu, Rongrong Zhang, Junfeng Bao, Junchao Zhang, Jun Zhang