Patents by Inventor Xiangyang Jiang
Xiangyang Jiang 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: 11799455Abstract: Provided is a relaxation oscillating circuit, which comprises a charging circuit, a discharging circuit, a switch circuit, a charging-discharging capacitor and an output circuit. The charging circuit comprises a first current source and a first isolating transistor. The discharging circuit comprises a second current source and a second isolating transistor. The switch circuit comprises a main charging transistor and an auxiliary charging transistor arranged as mirror and a main discharging transistor and an auxiliary discharging transistor arranged as mirror. The main charging transistor and the main discharging transistor are alternately conducted. According to a voltage of the charging-discharging capacitor, the output circuit outputs a clock signal and a control signal.Type: GrantFiled: March 3, 2022Date of Patent: October 24, 2023Assignee: HANGZHOU VANGO TECHNOLOGIES, INC.Inventors: Pengpeng Chen, Ling Lin, Xiangyang Jiang, Junjie Hong, Yuyan Liu
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Publication number: 20230283264Abstract: Provided is a relaxation oscillating circuit, which comprises a charging circuit, a discharging circuit, a switch circuit, a charging-discharging capacitor and an output circuit. The charging circuit comprises a first current source and a first isolating transistor. The discharging circuit comprises a second current source and a second isolating transistor. The switch circuit comprises a main charging transistor and an auxiliary charging transistor arranged as mirror and a main discharging transistor and an auxiliary discharging transistor arranged as mirror. The main charging transistor and the main discharging transistor are alternately conducted. According to a voltage of the charging-discharging capacitor, the output circuit outputs a clock signal and a control signal.Type: ApplicationFiled: March 3, 2022Publication date: September 7, 2023Applicant: HANGZHOU VANGO TECHNOLOGIES, INC.Inventors: Pengpeng CHEN, Ling LIN, Xiangyang JIANG, Junjie HONG, Yuyan LIU
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Patent number: 11644855Abstract: Disclosed is a voltage regulator, which makes a low dropout regulator stop working by controlling a sampling circuit of the low dropout regulator to break in a sleep mode, and makes an output voltage of the low dropout regulator follow an output voltage of a first bias voltage generating circuit by using a first MOS transistor connected between an voltage input end and an voltage output end of the low dropout regulator in a source follower structure, and is capable of controlling an output voltage of the whole voltage regulator by a generated bias voltage applied to the first bias voltage generating circuit by a first bias current source.Type: GrantFiled: November 9, 2021Date of Patent: May 9, 2023Assignee: HANGZHOU VANGO TECHNOLOGIES, INC.Inventors: Ling Lin, Nick Nianxiong Tan, Xiangyang Jiang, Zhong Tang
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Publication number: 20220066493Abstract: Disclosed is a voltage regulator, which makes a low dropout regulator stop working by controlling a sampling circuit of the low dropout regulator to break in a sleep mode, and makes an output voltage of the low dropout regulator follow an output voltage of a first bias voltage generating circuit by using a first MOS transistor connected between an voltage input end and an voltage output end of the low dropout regulator in a source follower structure, and is capable of controlling an output voltage of the whole voltage regulator by a generated bias voltage applied to the first bias voltage generating circuit by a first bias current source.Type: ApplicationFiled: November 9, 2021Publication date: March 3, 2022Applicant: HANGZHOU VANGO TECHNOLOGIES, INC.Inventors: Ling LIN, Nick Nianxiong Tan, Xiangyang JIANG, Zhong TANG
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Patent number: 8360535Abstract: An idler having an axis of rotation. The idler may include a hub with a flange. A plurality of rim members are positioned along a perimeter of the flange and have generally axially facing, opposite side surfaces. At least one of the side surfaces has a first interlocking formation. A clamping plate is connected to the flange. The clamping plate has a second interlocking formation coupled with the first interlocking formation. A dampening member interposes the first and second interlocking formations.Type: GrantFiled: November 17, 2009Date of Patent: January 29, 2013Assignee: Caterpillar Inc.Inventors: Eric J. Johannsen, Daniel D. Angot, Ming Zhang, Xiangyang Jiang, Constant B. Bissahoyo, Alexander H. Hays, Anthony Snyder
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Patent number: 7905559Abstract: An isolated center tread rim idler is disclosed. The isolated center tread rim idler includes an idler body, and a circular rim including a radially outer portion configured to engage track bushings of a track assembly. The circular rim also includes a radially inner portion of less width than the radially outer portion. The radially inner portion is configured to cooperate with an outer circumferential surface of the idler body. The circular rim includes a curved transition portion between the radially outer portion and the radially inner portion. A resilient ring engages the curved transition portion. A side plate is fastened to a side of the idler body, and the side plate includes a portion engaging the resilient ring.Type: GrantFiled: December 10, 2008Date of Patent: March 15, 2011Assignee: Caterpillar IncInventors: Daniel Angot, Xiangyang Jiang
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Patent number: 7776451Abstract: A method of forming a composite overlay compound on a substrate includes forming a mixture including at least one component from a first group of component materials including titanium, chrome, tungsten, vanadium, niobium, and molybdenum. The mixture also includes at least one component from a second group of component materials including carbon and boron, and the mixture further includes at least one component from a third group of component materials including silicon, nickel, and manganese. The mixture of selected component materials is then applied to a substrate material to form an overlay compound on the substrate material. The overlay compound is fused to the substrate to form a metallurgical bond between the substrate material and the overlay compound.Type: GrantFiled: July 25, 2007Date of Patent: August 17, 2010Assignee: Caterpillar IncInventors: Xiangyang Jiang, M. Brad Beardsley, D. Trent Weaver, Mark Steven Diekevers
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Publication number: 20100141026Abstract: An isolated center tread rim idler is disclosed. The isolated center tread rim idler includes an idler body, and a circular rim including a radially outer portion configured to engage track bushings of a track assembly. The circular rim also includes a radially inner portion of less width than the radially outer portion. The radially inner portion is configured to cooperate with an outer circumferential surface of the idler body. The circular rim includes a curved transition portion between the radially outer portion and the radially inner portion. A resilient ring engages the curved transition portion. A side plate is fastened to a side of the idler body, and the side plate includes a portion engaging the resilient ring.Type: ApplicationFiled: December 10, 2008Publication date: June 10, 2010Inventors: Daniel Angot, Xiangyang Jiang
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Publication number: 20100133898Abstract: An idler having an axis of rotation. The idler may include a hub with a flange. A plurality of rim members are positioned along a perimeter of the flange and have generally axially facing, opposite side surfaces. At least one of the side surfaces has a first interlocking formation. A clamping plate is connected to the flange. The clamping plate has a second interlocking formation coupled with the first interlocking formation. A dampening member interposes the first and second interlocking formations.Type: ApplicationFiled: November 17, 2009Publication date: June 3, 2010Applicant: Caterpillar Inc.Inventors: Eric J. Johannsen, Daniel D. Angot, Xiangyang Jiang, Ming Zhang, Constant B. Bissahoyo, Alexander H. Hays, Anthony Snyder
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Publication number: 20080271712Abstract: Carbon deposits on engine components can negatively affect engine performance. An engine of the present disclosure includes at least one carbon deposit resistant engine component attached to an engine housing. The engine component includes at least one relatively high surface tension surface that is a non-contact wear surface and to which a relatively low surface tension coating is attached. The relatively low surface tension coating has a surface tension at least one of equal to and less than 30 dyne/cm.Type: ApplicationFiled: May 27, 2008Publication date: November 6, 2008Applicant: CATERPILLAR INC.Inventors: Hind M. Abi-Akar, Xiangyang Jiang, Jorge R. Agama, Mark W. Jarrett, Kurtis C. Kelley
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Publication number: 20080233303Abstract: A method of producing a metal seal ring is provided. The method includes selecting a seal ring substrate material and applying a coating to the seal ring substrate material using an electroless plating process.Type: ApplicationFiled: May 23, 2008Publication date: September 25, 2008Inventors: Xiangyang Jiang, Kevin Nemec
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Patent number: 7383806Abstract: Carbon deposits on engine components can negatively affect engine performance. An engine of the present disclosure includes at least one carbon deposit resistant engine component attached to an engine housing. The engine component includes at least one relatively high surface tension surface that is a non-contact wear surface and to which a relatively low surface tension coating is attached. The relatively low surface tension coating has a surface tension at least one of equal to and less than 30 dyne/cm.Type: GrantFiled: May 18, 2005Date of Patent: June 10, 2008Assignee: Caterpillar Inc.Inventors: Hind Abi-Akar, Xiangyang Jiang, Jorge R. Agama, Kurtis C. Kelley, Mark W. Jarrett
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Patent number: 7345255Abstract: A method of forming a composite overlay compound on a substrate includes forming a mixture including at least one component from a first group of component materials including titanium, chrome, tungsten, vanadium, niobium, and molybdenum. The mixture also includes at least one component from a second group of component materials including carbon and boron, and the mixture further includes at least one component from a third group of component materials including silicon, nickel, and manganese. The mixture of selected component materials is then applied to a substrate material to form an overlay compound on the substrate material. The overlay compound is fused to the substrate to form a metallurgical bond between the substrate material and the overlay compound.Type: GrantFiled: January 26, 2005Date of Patent: March 18, 2008Assignee: Caterpillar Inc.Inventors: Xiangyang Jiang, M. Brad Beardsley, D. Trent Weaver, Mark Steven Diekevers
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Publication number: 20070267390Abstract: A method of forming a composite overlay compound on a substrate includes forming a mixture including at least one component from a first group of component materials including titanium, chrome, tungsten, vanadium, niobium, and molybdenum. The mixture also includes at least one component from a second group of component materials including carbon and boron, and the mixture further includes at least one component from a third group of component materials including silicon, nickel, and manganese. The mixture of selected component materials is then applied to a substrate material to form an overlay compound on the substrate material. The overlay compound is fused to the substrate to form a metallurgical bond between the substrate material and the overlay compound.Type: ApplicationFiled: July 25, 2007Publication date: November 22, 2007Inventors: Xiangyang Jiang, M. Beardsley, D. Weaver, Mark Diekevers
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Publication number: 20070045966Abstract: A method of producing a metal seal ring is provided. The method includes selecting a seal ring substrate material and applying a coating to the seal ring substrate material using an electroless plating process.Type: ApplicationFiled: August 31, 2005Publication date: March 1, 2007Inventors: Xiangyang Jiang, Kevin Nemec
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Patent number: 7178446Abstract: A cylinder rod with wear-resistant surface markings is provided. The cylinder rod may include a rod substrate, a thermal-spray coating disposed on a surface of the substrate, and one or more surface markings disposed on the coating at predetermined locations along the length of the cylinder rod.Type: GrantFiled: February 28, 2005Date of Patent: February 20, 2007Assignee: Caterpillar IncInventors: Trent Steven Kucher, Karen Renee Raab, Xiangyang Jiang
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Publication number: 20060260583Abstract: Carbon deposits on engine components can negatively affect engine performance. An engine of the present disclosure includes at least one carbon deposit resistant engine component attached to an engine housing. The engine component includes at least one relatively high surface tension surface that is a non-contact wear surface and to which a relatively low surface tension coating is attached. The relatively low surface tension coating has a surface tension at least one of equal to and less than 30 dyne/cm.Type: ApplicationFiled: May 18, 2005Publication date: November 23, 2006Inventors: Hind Abi-Akar, Xiangyang Jiang, Jorge Agama, Kurtis Kelley, Mark Jarrett
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Publication number: 20060191406Abstract: A cylinder rod with wear-resistant surface markings is provided. The cylinder rod may include a rod substrate, a thermal-spray coating disposed on a surface of the substrate, and one or more surface markings disposed on the coating at predetermined locations along the length of the cylinder rod.Type: ApplicationFiled: February 28, 2005Publication date: August 31, 2006Inventors: Trent Kucher, Karen Raab, Xiangyang Jiang
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Publication number: 20060163217Abstract: A method of forming a composite overlay compound on a substrate includes forming a mixture including at least one component from a first group of component materials including titanium, chrome, tungsten, vanadium, niobium, and molybdenum. The mixture also includes at least one component from a second group of component materials including carbon and boron, and the mixture further includes at least one component from a third group of component materials including silicon, nickel, and manganese. The mixture of selected component materials is then applied to a substrate material to form an overlay compound on the substrate material. The overlay compound is fused to the substrate to form a metallurgical bond between the substrate material and the overlay compound.Type: ApplicationFiled: January 26, 2005Publication date: July 27, 2006Inventors: Xiangyang Jiang, M. Beardsley, D. Weaver, Mark Diekevers
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Publication number: 20050132843Abstract: A method of making a composite chrome powder is provided. The method includes selecting a ferrochrome material. The ferrochrome material is mixed together with a nickel-based material, and a composite chrome powder is generated from the mixture.Type: ApplicationFiled: December 22, 2003Publication date: June 23, 2005Inventors: Xiangyang Jiang, M. Beardsley, William Smith