Patents by Inventor Shi Zheng
Shi Zheng 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: 20110072807Abstract: A combined exhaust gas aftertreatment/dust ejector unit (10) is provided for use with a combustion process (14) and an air cleaner (16) of the combustion process (14). The unit (10) includes an elongate housing (30) containing an exhaust gas aftertreatment device (40) and having a radial exhaust gas outlet (34) to direct an exhaust gas flow (12) radially from the housing (30), and a dust ejector (60) including an ejector outlet (62) positioned in the exhaust gas outlet (34). The exhaust gas outlet (34) and the ejector outlet (62) have elliptical shaped cross sections (68,70), with the ejector outlet cross section (70) spaced inwardly from the exhaust gas outlet (34) to define a reduced flow area (72) for the exhaust gas flow (12) to accelerate the exhaust gas flow (12) past the ejector outlet (62).Type: ApplicationFiled: September 25, 2009Publication date: March 31, 2011Inventors: Chris Kleinfeld, Isidro Hernandez, Shi Zheng, Rick Veneziano
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Publication number: 20110023939Abstract: A portable solar cell apparatus includes a base, a plurality of solar cell units, a light guide element, and a plurality of lens units. The solar cell units are disposed at the base. The light guide element has a plurality of integrally formed funnel-shaped light guide units. The light guide element is disposed at the base, and each of the funnel-shaped light guide units guides light to the respective solar cell unit. Each of the lens units is disposed at the respective funnel-shaped light guide unit.Type: ApplicationFiled: July 29, 2010Publication date: February 3, 2011Inventors: Chien-An Chen, Zao-Shi Zheng
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Publication number: 20110017270Abstract: A solar tracking device for solar cells includes a supporting unit, a moving unit, a solar receiving unit, and a light sensing unit. The supporting unit has a supporting portion and a rotating portion, and the supporting portion is rotated by the rotating portion. The moving unit is supported by the supporting portion of the supporting unit, and the moving unit is capable of moving along an XY-axis plane. The solar receiving unit is disposed at the moving unit. The light sensing unit is disposed at the moving unit and outputs a light sensing signal. The solar tracking device for solar cells can reduce energy consumption and improve output efficiency of a solar power system during a solar tracking period.Type: ApplicationFiled: July 23, 2010Publication date: January 27, 2011Inventors: Chien-An Chen, Zao-Shi Zheng
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Publication number: 20100282298Abstract: An electronic device for improving solar conversion efficiency includes a main body and a reflecting element. The main body includes an operation module and a solar panel. The solar panel is electrically connected with the operation module for converting light energy to electrical energy. The reflecting element is connected with the main body and corresponds to the solar panel for reflecting light to the solar panel.Type: ApplicationFiled: May 3, 2010Publication date: November 11, 2010Inventors: Chien-An Chen, Zao-Shi Zheng
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Patent number: 7338329Abstract: A power connector comprising a dielectric housing, having an insertion face and a mounting face. The dielectric housing defining a first mounting passage and a second mounting passage communicating with each other. A first terminal, having a contacting portion inserted into the first mounting passage. A second terminal, having a main body, a first contacting section, a second contacting section, and a first pressing section. The first contacting section is bent from a front end of the main body and extends forwardly, the first pressing section bent from an edge of the main body and extends above the first contacting section. The second contacting section of the second terminal being bent 180 degrees from a rear end of the main body thereof and extending forwardly.Type: GrantFiled: March 28, 2006Date of Patent: March 4, 2008Assignee: Molex IncorporatedInventor: Shi-Zheng Yang
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Patent number: 7249750Abstract: The present invention is directed to a pressure balanced fluid control device. In one illustrative embodiment, the device comprises a body, a bonnet coupled to the body, a valve stem operatively coupled to a gate positioned in the body, a valve stem seal positioned between the valve stem and the bonnet, wherein a sealed cavity exists above the valve stem seal, and an opening through the bonnet that is adapted to allow a pressure of a working fluid flowing through the valve to be exerted in the sealed cavity above the valve stem seal. In another illustrative embodiment, the device comprises a body, a bonnet coupled to the body, a valve stem operatively coupled to a gate positioned in the body, a valve stem seal positioned between the valve stem and the bonnet, wherein a sealed cavity exists above the valve stem seal, and an opening through the bonnet, the opening being in fluid communication with the sealed cavity and an interior region of the body.Type: GrantFiled: May 5, 2006Date of Patent: July 31, 2007Assignee: FMC Technologies, Inc.Inventor: Qiu Shi Zheng
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Publication number: 20060234563Abstract: A power connector comprising a dielectric housing, having an insertion face and a mounting face. The dielectric housing defining a first mounting passage and a second mounting passage communicating with each other. A first terminal, having a contacting portion inserted into the first mounting passage. A second terminal, having a main body, a first contacting section, a second contacting section, and a first pressing section. The first contacting section is bent from a front end of the main body and extends forwardly, the first pressing section bent from an edge of the main body and extends above the first contacting section. The second contacting section of the second terminal being bent 180 degrees from a rear end of the main body thereof and extending forwardly.Type: ApplicationFiled: March 28, 2006Publication date: October 19, 2006Inventor: Shi-Zheng Yang
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Publication number: 20060234549Abstract: This invention includes a conductive terminal for a power connector and its manufacturing method. The conductive terminal comprises: a base portion, a contact portion and a engagement portion. Said engagement portion is stamped so that it extends from the base portion over the contact portion with a free end thereof forming a engagement end. Said contact portion is a solid column-like body. Locking portions are provided on at least one side of said base portion to hold the conductive terminal in the dielectric housing of the power connector. The conductive terminal is directly formed by stamping without repeated bending, which decreases manufacture steps and reduces manufacture cost.Type: ApplicationFiled: March 28, 2006Publication date: October 19, 2006Inventors: Shi-Zheng Yang, Yajun Wu, Zhi Cheng
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Patent number: 7066444Abstract: The present invention is directed to a pressure balanced fluid control device. In one illustrative embodiment, the device comprises a body, a bonnet coupled to the body, a valve stem operatively coupled to a gate positioned in the body, a valve stem seal positioned between the valve stem and the bonnet, wherein a sealed cavity exists above the valve stem seal, and an opening through the bonnet that is adapted to allow a pressure of a working fluid flowing through the valve to be exerted in the sealed cavity above the valve stem seal. In another illustrative embodiment, the device comprises a body, a bonnet coupled to the body, a valve stem operatively coupled to a gate positioned in the body, a valve stem seal positioned between the valve stem and the bonnet, wherein a sealed cavity exists above the valve stem seal, and an opening through the bonnet, the opening being in fluid communication with the sealed cavity and an interior region of the body.Type: GrantFiled: February 5, 2004Date of Patent: June 27, 2006Assignee: FMC Technologies, Inc.Inventor: Qiu Shi Zheng
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Patent number: 6869079Abstract: A seal for sealing between a first component and a second component includes a first metallic element comprising a plurality of sealing profiles and defining a groove therein and a second metallic element comprising a plurality of sealing profiles and a protrusion mated with the groove of the first metallic element. The seal further includes a retaining member engaged with the second metallic element and capable of being engaged with one of the first component and the second component for retaining the first and second metallic elements in a position, wherein some of the plurality of sealing profiles are capable of sealing against the first component and some of the plurality of sealing profiles are capable of sealing against the second component.Type: GrantFiled: January 21, 2003Date of Patent: March 22, 2005Assignee: FMC Technologies, Inc.Inventor: Qiu Shi Zheng
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Publication number: 20040094898Abstract: A seal includes a bore seal portion comprising a first leg terminating in a first sealing profile and a second leg terminating in a second sealing profile, a crush seal portion, and a web extending between the crush seal portion and the bore seal portion. A method of installing a seal includes pressing a bore seal portion of the seal into a first bore of a first member such that a first sealing profile is urged against an inner surface of the first bore, pressing the bore seal portion of the seal into a second bore of a second member such that a second sealing profile is urged against an inner surface of the second bore and the first bore is generally aligned with the second bore, and crushing a crush seal portion of the seal within grooves defined by the first member and the second member.Type: ApplicationFiled: November 20, 2002Publication date: May 20, 2004Inventor: Qiu Shi Zheng
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Publication number: 20030155721Abstract: A seal for sealing against a surface includes a body having a deflectable intermediate portion terminating in an end portion and a sealing element including a softer material than that of the surface and disposed along the end portion of the body. A method of producing a seal includes providing a body comprising a deflectable intermediate portion terminating in an end portion and disposing a sealing element including a softer material than that of the body along the end portion of the body. A seal includes a body including a deflectable intermediate portion terminating in an end portion, a sealing element including a softer material than that of the body and disposed along the end portion of the body, and means for retaining the sealing element at the end portion.Type: ApplicationFiled: January 21, 2003Publication date: August 21, 2003Inventor: Qiu Shi Zheng
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Publication number: 20030155717Abstract: A seal for sealing between a first component and a second component includes a first metallic element comprising a plurality of sealing profiles and defining a groove therein and a second metallic element comprising a plurality of sealing profiles and a protrusion mated with the groove of the first metallic element. The seal further includes a retaining member engaged with the second metallic element and capable of being engaged with one of the first component and the second component for retaining the first and second metallic elements in a position, wherein some of the plurality of sealing profiles are capable of sealing against the first component and some of the plurality of sealing profiles are capable of sealing against the second component.Type: ApplicationFiled: January 21, 2003Publication date: August 21, 2003Inventor: Qiu Shi Zheng
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Publication number: 20030080516Abstract: A seal for inhibiting a flow of fluid through an annulus defined by a first component and a second component includes a sealing element disposed within the annulus and having at least one sealing profile in contact with a surface of the first component to inhibit a flow of fluid therebetween and means for retaining the sealing element on a surface of the second component that defines the annulus, wherein the sealing element is sealingly engaged with the second component such that a flow of the fluid is inhibited therebetween.Type: ApplicationFiled: September 20, 2002Publication date: May 1, 2003Inventor: Qiu Shi Zheng
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Patent number: 6510895Abstract: A mechanically energized annular packoff seal cartridge for metal-to-metal sealing with substantially concentrically arranged tubular members, such as the tubular wellhead housing and well casing of an oil and gas well. A tubular pressure responsive energizing mandrel having downwardly converging frusto-conical seal actuating surfaces is of a dimension for entry into the annulus between the wellhead seal bore and the rough outer surface of the well casing. Elastomer seals are carried by the energizing mandrel and establish sealing of the energizing mandrel with the wellhead housing and well casing A pair of soft metal seal rings are carried by the seal cartridge and are forced radially into metal-to-metal sealing with the wellhead housing and the rough outer surface of the well casing respectively by the double tapered seal actuating surfaces responsive to pressure induced downward force on the energizing mandrel.Type: GrantFiled: November 6, 2000Date of Patent: January 28, 2003Assignee: FMC TechnologiesInventors: Bashir M. Koleilat, David E. Cain, Qiu Shi Zheng, Michael Hunt
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Patent number: 6005688Abstract: A batch scanning method for an image input system includes sorting a plurality of image areas according to top positions of said image areas. A calibration mode is set. Next, top, bottom, left and right positions of the present image area, and the top position of the next higher image area are set to some registers. Thereafter, the image input system is calibrated when the present image area is the highest image area of the sorted areas. Then, the present image area is scanned. Afterward, a light source and a photodetector are moved to the top position of said next higher image area when at least one image area has not been scanned. The position setting step, the scanning step and the moving step are repeated until the lowest image area has been scanned.Type: GrantFiled: June 23, 1998Date of Patent: December 21, 1999Assignee: Umax Data Systems, Inc.Inventors: Ming-Mu Hsieh, Shi-Zheng Kuo, Wei-Jen Huang
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Patent number: 5029082Abstract: An apparatus and method for detecting and processing bioelectric signals, such as ECG, VCG, EEG, etc, comprising: a plurality of electrodes for detecting electric signals from different locations on a human or animal body; a signal collecting device for synchroneously collecting multi-channel signals via the electrodes; a signal processing device for performing time domain, frequence domain and space domain processing on the collected signals; and a signal output device including a CRT and a graphic printer. In addition, the apparatus further comprising an external memory, a keyboard and an alarming device. By using the apparatus and method of the present invention, the examination of heart brain and other organs may be performed simultaneously by way of synchronized sampling multi-domain processing, curves and parameters tables displaying an automatic judgement, thereby accomplishing a quick detection and processing of the bioelectric signals.Type: GrantFiled: February 5, 1990Date of Patent: July 2, 1991Assignees: Wide Trade Foundation Ltd. & Export Corporation, China Xiao Feng Technology & Equipment Co., China National Electronics ImportInventors: Xiguang Shen, Genquan Feng, Ruan Lian, Changqing Wang, Jing Lian, Chi Liu, Shizhong Lai, Jilin Yang, Qinwei Yiu, Gunagqi Zhang, Peixin Feng, Yiexun Xia, Baohuai Li, Lijun Cai, Jianping Su, Shi Zheng