Patents Issued in June 19, 2007
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Patent number: 7231756Abstract: A device for mowing plants has a frame, deflection rollers connected to the frame, and a circulating endless cutting belt provided with cutting teeth and guided about the cutting belt. A lower guide rail is connected to the frame for guiding the cutting belt. Guide brackets are connected to the lower guide rail for securing the cutting belt on the lower guide rail. Holding-down elements are connected to the lower guide rail, wherein the guide brackets have a stop edge and wherein the holding-down elements prevent the cutting belt from lifting off the lower guide rail.Type: GrantFiled: May 27, 2003Date of Patent: June 19, 2007Assignee: Maschinenfabrik Bernard Krone GmbHInventors: Detlef Ehlert, Siegwart Kraatz
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Patent number: 7231757Abstract: A control system for a cutting reel unit includes a reel-to-bedknife clearance adjusting system. The reel-to-bedknife clearance adjusting system includes at least one actuator operatively connected between the reel and the bedknife, and a sound detector. A controller is signal-connected to the actuator and the sound detector and coordinates the reel-to-bedknife clearance adjustment. During adjustment, reel-to-bedknife clearance is reduced by the actuator until a contact sound between the reel blades and the bedknife is detected and signaled to the controller, which then reverses the actuator and increases the clearance by a pre-selected precise amount.Type: GrantFiled: April 30, 2003Date of Patent: June 19, 2007Assignee: Deere & CompanyInventors: Eric Alan Poulson, Donald Lewis Cripps, Mark Alvin Schmidt, Ronald Lee Reichen, Richard David Thier, J. M. Flenniken
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Patent number: 7231759Abstract: A chain 1 with individual links 2, 3, inserted one into the other, of which at least every second link is formed as a flat link 3. When the flat link 3 has a vertical orientation in the shank region 6, 7 connecting the curvatures 4, 5, the flat link has a smaller maximum diameter H in the vertical direction than in the horizontal direction L. The vertical diameter H of a shank 6, 7 being smaller than the diameter the flat link 3 in the curvatures 4, 5, such that the flat chain links 3 have a ratio of its cross sectional area in the shank region 6, 7 to the cross section area in the central regions 8 of the curvatures 4, 5 is greater than 0.55 and smaller than 0.85. The plane of the horizontal maximum diameter L in the shank region 6, 7 is disposed off-center and offset with respect to the outside of the particular shanks 6, 7.Type: GrantFiled: October 18, 2004Date of Patent: June 19, 2007Assignee: J.D. Theile GmbH & Co. KGInventor: Rainer Benecke
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Patent number: 7231760Abstract: The invention relates to an internal combustion engine which has charge-air supercharging by means of an exhaust-gas turbocharger and secondary air injection, the flow path of which is selected in such a way that the quantity of secondary air injected has an influence on the rotational speed of the turbocharger. By monitoring the rotational speed of the turbocharger, an increase in the rotational speed caused by the secondary air injection is determined, and the quantity of secondary air injected is worked out from the increase in rotational speed. This has the advantage that there is no need for complex temperature-measuring methods as have hitherto been employed. Rotational speed measurement can be carried out contactlessly and with absolutely no wear in particular by means of inductive rotational-speed sensors. Moreover, these inductive rotational-speed sensors can be miniaturized and produced at extremely low cost.Type: GrantFiled: October 18, 2004Date of Patent: June 19, 2007Assignee: DaimlerChrysler AGInventor: Michael-Rainer Busch
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Patent number: 7231761Abstract: An electronic control unit of an internal combustion engine calculates a basic post-injection quantity of temperature increasing means if a deposition quantity of particulate matters deposited on a diesel particulate filter (DPF) exceeds a predetermined value. Then, a final post-injection quantity is calculated by correcting the basic post-injection quantity based on a temperature correction value, which is calculated by multiplying a deviation between DPF upstream exhaust gas temperature and target temperature and past temperature correction values by feedback gains. The feedback gains are switched in accordance with a delay in an exhaust gas temperature change in a present operating state, based on an intake air quantity sensed by an air flow meter. Thus, response can be improved, while maintaining stability.Type: GrantFiled: April 4, 2005Date of Patent: June 19, 2007Assignee: Denso CorporationInventors: Shinichiro Okugawa, Kazuo Kojima, Hiroshi Haraguchi
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Patent number: 7231762Abstract: An exhaust header having a recessed sealing surface that receives an annular graphite gasket for affecting a fluid tight seal. The exhaust header further includes one or more exhaust head pipe flanges and one or more exhaust head pipes. Each exhaust head pipe flange is fixedly attached to one of the exhaust head pipes to form a passageway through the exhaust header. During installation, each exhaust head pipe flange is aligned with a passageway from an exhaust port of an internal combustion engine. A one to one registration between the exhaust head pipe flanges and the exhaust ports is achieved. The gasket circumscribes the exhaust port when the exhaust header is aligned with the surface of the internal combustion engine. Torquing of one or more fasteners compresses the gasket against the surface of the internal combustion engine to form the fluid tight seal between the passageways of the exhaust port and the exhaust header.Type: GrantFiled: February 25, 2004Date of Patent: June 19, 2007Inventor: Darryl C. Bassani
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Patent number: 7231763Abstract: A hydraulic system 10 of the present invention has a hydraulic pump driven by a driving source 14, a hydraulic pump motor 52 driven by an operating oil discharged from the hydraulic pump and flowing in an oil path 50, an inertial body 60 connected to a rotary shaft of the hydraulic pump motor, an oil path 62 connected between an outlet port of the hydraulic pump motor and a load 22, an unloading oil path 64 branched from the oil path 62, and an on-off valve 68 inserted in the unloading oil path. In this configuration, as the on-off valve is opened and closed, a high pressure is generated in the oil path 62 by making use of kinetic energy of the inertial body. The inertial body is driven by hydraulic power and the inertial body is separated from the driving source, which also provides an effect of increasing degrees of freedom for an instrument layout.Type: GrantFiled: October 17, 2003Date of Patent: June 19, 2007Assignees: Saxa, Inc., Yukigaya Institute Co., Ltd.Inventors: Shigeru Suzuki, Satoru Shimada, Takahiro Yamano, Sumiko Seki, Takahiko Itoh
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Patent number: 7231764Abstract: The device comprises a replenishing valve (24) having an opening control chamber suitable for being connected to a main duct (12, 14) of the circuit, and a closing control chamber, the pressure in said chambers making it possible to cause the moving member of the replenishing valve to move so as either to connect or not to connect the main duct to which said valve is connected to a pressure-free reservoir. The device further comprises a control valve (46) which is controlled as a function of at least one control parameter representing a state of the circuit other than pressure in said main duct to which said replenishing valve (24) is connected, in order to connect the closing control chamber to the pressure-free reservoir or in order to isolate said chamber from said reservoir.Type: GrantFiled: October 28, 2003Date of Patent: June 19, 2007Assignee: Poclain Hydraulics IndustrieInventors: Alain Mangano, Jean-Philippe Raisin
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Patent number: 7231765Abstract: There is provided a pump unit configured to be capable of transmitting a rotational power from a driving power source which is operatively connected thereto to an actuator through a pair of hydraulic fluid lines. The pump unit includes: an input shaft; a hydraulic pump main body; a PTO shaft; a PTO clutch mechanism; an auxiliary pump main body; a suction line; a discharge line; a charge line; a PTO hydraulic fluid line; a pressure-reducing valve; and a resistance valve. The PTO hydraulic fluid line and the charge line are fluidly connected to the primary side and a secondary side of the pressure-reducing valve, respectively.Type: GrantFiled: November 9, 2005Date of Patent: June 19, 2007Inventors: Masahisa Kawamura, Ryota Ohashi, Hironori Sumomozawa, Takeaki Nozaki
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Patent number: 7231766Abstract: The present invention includes a piston valve for charging and discharging a first fluid chamber. The piston valve includes a piston shaft and a ring comprising a seal element. The piston shaft has a first end and a second end with the first end including a counter bore having at least one vent. The ring is disposed within a cylinder and the seal element is disposed intermediate the piston shaft and the ring. The piston valve may be used for intensification purposes such as in a high pressure high temperature hydraulic cartridge.Type: GrantFiled: August 19, 2005Date of Patent: June 19, 2007Inventors: David R. Hall, Timothy C. Duke, Ronald Crockett, Jeff Jepson
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Patent number: 7231767Abstract: A forced air cooling system for an APU comprising at least an oil cooler, a plenum in fluid communication with the oil cooler, and a compressor rotated by a rotating shaft of the APU such that the compressor and rotating shaft rotate at a same speed, the rotating compressor inducing a cooling air flow through the oil cooler. A method for cooling an auxiliary power unit is also provided.Type: GrantFiled: April 16, 2004Date of Patent: June 19, 2007Assignee: Pratt & Whitney Canada Corp.Inventor: Michael Owen Whiting
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Patent number: 7231768Abstract: A fuel delivery system for a gas turbine engine includes a main fuel pump supplying fuel to a fuel-metering device. The operational flow range of the fuel system is dependent on a minimum net positive suction pressure at the main pump inlet required to prevent pump cavitation. A mixture of fuel and dissolved gases increases the minimum net positive suction pressure required to prevent cavitation. A fuel de-aerator including a permeable membrane removes dissolved gases from the fuel to eliminate formation of dissolved gases. The elimination of dissolved gases from within the liquid fuel reduces the required net positive suction pressure, enabling a greater operational flow range.Type: GrantFiled: April 13, 2006Date of Patent: June 19, 2007Assignee: United Technologies CorporationInventors: Louis J. Spadaccini, Scott Kaslusky, Robert A. McLaughlin
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Patent number: 7231769Abstract: A cooling system for a gas turbine engine includes a fuel deoxygenator for increasing the cooling capacity of the fuel. The fuel deoxygenator removes dissolved gases from the fuel to prevent the formation of insoluble deposits. The prevention of insoluble deposits increases the usable cooling capacity of the fuel. The increased cooling capacity of the deoxygenated fuel provides a greater heat sink for cooling air used to protect engine components. The improved cooling capacity of the cooling air provides for increased engine operating temperatures that improves overall engine efficiency.Type: GrantFiled: January 29, 2004Date of Patent: June 19, 2007Assignee: United Technologies CorporationInventors: Louis J. Spadaccini, He Huang, Luca Bertuccioli, Robert L. Bayt
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Patent number: 7231770Abstract: Systems and methods for supplementing a power system to achieve consistent operation at varying altitudes are disclosed herein. A hybrid power system comprising a single power source driving multiple generators may implement a power recovery turbine to drive a supercharger compressor, which may provide compressed air at increased altitudes. The supplemental power system disclosed herein provides necessary shaft horsepower at high altitudes to drive a generator and produce cooling air.Type: GrantFiled: June 28, 2006Date of Patent: June 19, 2007Assignee: Steward-Davis International, Inc.Inventor: Stanley W. Epstein
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Patent number: 7231771Abstract: A thermoelectric cooler for maintaining intravenous (IV) solution within a temperature range of 1° C. to 4° C. for inducing rapid, emergency, point-of-injury, mild-to-moderate hypothermia. The thermoelectric cooler includes a substantially rectangular insulated container with a door extending in a vertical plane on the forward facing container wall and pivoting on a horizontal hinge located on the bottom edge of the door. The container is cooled by a thermoelectric module mounted between two heat exchangers and electrically powered fan assemblies. An electronic control unit controls the thermoelectric cooling module to maintain the interior of the insulated container and the IV solution within the set temperature range. The thermoelectric cooler has an exterior display panel with warning lights to visually communicate to the user if the interior temperature is in or out of range.Type: GrantFiled: May 26, 2005Date of Patent: June 19, 2007Assignee: Ardiem Medical, Inc.Inventors: Alan D. McMurry, Lyn J. Yaffe
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Patent number: 7231772Abstract: A number of compact, high-efficiency thermoelectric system utilizing the advantages of thermal isolation in the direction of a working medium flow or movement, in manufacturable systems, are described. Such configurations exhibit high system efficiency and power density. Several different embodiments and applications are disclosed utilizing a plurality of thermoelectric modules or thermoelectric elements sandwiched between heat exchangers.Type: GrantFiled: August 23, 2002Date of Patent: June 19, 2007Assignee: BSST LLC.Inventor: Lon E. Bell
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Patent number: 7231773Abstract: A startup control algorithm for a multiple compressor liquid chiller system is provided wherein the maximum number of compressors to be started to satisfy system load conditions is provided. The control algorithm designates all of the compressors of the multiple compressor system for starting and reduces the number to be started in response to the satisfaction of several predetermined criteria. The predetermined criteria are related to the leaving chilled liquid temperature, the shutdown time for the chiller system and the last operating time period for the chiller system.Type: GrantFiled: April 12, 2004Date of Patent: June 19, 2007Assignee: York International CorporationInventors: Curtis Christian Crane, Gail Elaine Lindberg
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Patent number: 7231774Abstract: Multi-circuit refrigerant systems are provided with better control over a dehumidification function. In one embodiment, system circuits have means of communication with each other through connecting lines and flow control devices operable on demand. In another embodiment, a single reheat heat exchanger is utilized for both circuits, ensuring heat transfer interaction between the circuits. In yet another embodiment, a control unit operates refrigerant circuits in such a way that if some circuits are in a reheat mode, the remaining circuits are either shut off or are in an enhanced reheat mode.Type: GrantFiled: April 28, 2004Date of Patent: June 19, 2007Assignee: Carrier CorporationInventors: Michael F. Taras, Alexander Lifson
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Patent number: 7231775Abstract: An energy management system may include a refrigeration apparatus such as may be used to form an ice rink. Heat rejected from that apparatus may be used to address heating loads elsewhere. The apparatus may include a thermal storage apparatus, such as may be charged with ice, or another phase change material. The refrigeration apparatus may then be run for the purpose of obtaining the rejected heat, with the cooling of the thermal storage material as a by-product of operation to obtain extra rejected heat. The cold reservoir then developed in the thermal storage material may be used subsequently to provide cooling to a different load, at a different time of day. The thermal storage element may be used to provide cooling to a condensor of the refrigeration apparatus, or may be placed in series with a cooling load, such as an ice sheet or refrigerated enclosure. The apparatus may be electronically controlled, may used ammonia as an operating fluid in a vapour cycle system.Type: GrantFiled: June 14, 2005Date of Patent: June 19, 2007Assignee: Toromont Industries LimitedInventors: Wayne Dilk, Harold E. Martin
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Patent number: 7231776Abstract: In an air-conditioning system for a motor vehicle having an internal combustion engine with an engine cooling circuit with a heat exchanger for heating and a heat pump with a refrigerant circuit including a heat exchanger for cooling the interior compartment of the motor vehicle, the refrigerant circuit includes also heat exchanges for heating or for cooling the coolant in the engine cooling circuit.Type: GrantFiled: January 31, 2006Date of Patent: June 19, 2007Assignee: DiamlerChrysler AGInventors: Roland Cäsar, Jan Gartner, Steffen Geiger, Klaus Harm, Jürgen Wertenbach
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Patent number: 7231777Abstract: A portable personal cooling device substantially utilizing components typical in gas refrigerant air conditioning. The device is worn as a backpack, with adjustable shoulder straps for user size variations. Gas refrigeration provides effective cooling even in conditions of high humidity and temperature extremes. The device is compact, lightweight, and includes on/off and temperature control. Cooling is powered by a rechargeable battery or standard AC voltage, along with a transformer. The compressor is powered by the fan motor. A base for removably fitting the housing's base insert provides for upright storage and use of the device when not being worn.Type: GrantFiled: October 26, 2004Date of Patent: June 19, 2007Inventors: Henry Arnold, Virginia Arnold
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Patent number: 7231778Abstract: In the improved cooling system for a commercial aircraft galley, heat is transferred from a galley food cart by a point-of-use heat exchange system to a liquid cooled condenser. Liquid coolant for the liquid cooled condenser is circulated in a liquid coolant loop to a heat exchanger expelling heat for cooling the liquid coolant. The liquid coolant may be water or a mixture of water and glycol. A flow of cooling air from a heat exchanger cooled by the liquid cooled condenser is cycled through an air over system, through an air through system, or from a thermal convection air cooling system providing at least one cooled galley food cart surface to provide cooling. Heat may be transferred from a plurality of galley food carts to the circulating liquid coolant.Type: GrantFiled: March 29, 2004Date of Patent: June 19, 2007Assignee: BE Intellectual Property, Inc.Inventors: Richard N. Rigney, Ian D. Oswald
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Patent number: 7231779Abstract: The present invention relates to a fan assembly for a refrigerator. The fan assembly of the present invention is used in a refrigerator which includes a refrigerating chamber formed at a relatively lower portion of a main body of the refrigerator, a freezing chamber formed at a relatively upper portion of the main body and a heat exchange chamber partitioned behind at least the freezing chamber for producing cold air.Type: GrantFiled: April 15, 2004Date of Patent: June 19, 2007Assignee: LG Electronics Inc.Inventor: Min-Bon Koo
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Patent number: 7231780Abstract: A damper device for a refrigerator has a step motor used as the power source for rotating a baffle to open/close the cold air passage of the refrigerator in a more secured manner. The damper device for a refrigerator includes a frame installed in the cold air passage of the refrigerator and provided with an opening at the center thereof, a baffle rotatably installed on the frame to open/close the opening, a gear-equipped step motor installed on a surface of the frame and having a reduction gear and a motor integrally formed therein to transmit a rotation force necessary for opening/closing operation of the baffle, and a stopper adapted to mechanically limit the baffle in such a manner that it can be positioned in the desired opening position.Type: GrantFiled: March 14, 2005Date of Patent: June 19, 2007Assignee: Moatech Co., Ltd.Inventor: Jung-Bum Park
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Patent number: 7231781Abstract: The present invention consists of a system directly related to air blowing fans, but JR Ice Cool Fan is designed to create water vapor in the blowout air. The complete assembly includes a rear small funnel (Zone 1), center connecting tube (Zone 2), where the water release port is situated, float assembly, large front funnel (Zone 3) and two fans. The rear fan will draw the air from the rear and force it towards Zone 2 at the same time the air will get contracted once the air passes the water release port, it will get mixed with water. Again the blowout fan in the front (Zone 3) creates a suction at Zone 2 that again creates a high velocity in Zone 2 which will draw out the water efficiently at the water release port. Once the water mixed air get into the Zone 3, it will experience expansion that will again allow the water to better mix with the air homogeneously before it is blown out. Water to air mix is adjustable; when water release screw is screwed out, the water to air will be less.Type: GrantFiled: June 7, 2004Date of Patent: June 19, 2007Inventor: Jessey Roger
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Patent number: 7231782Abstract: A refrigerator designed to prevent inner surfaces of storage compartments thereof from being damaged during a manufacturing process. The refrigerator includes a cabinet defining an external appearance of the refrigerator having refrigerator and freezer compartments therein, a machine room provided on the top of the cabinet to house components required to constitute a refrigerating cycle, first and second evaporators to cool the refrigerator and freezer compartments, a first connecting pipe extended from the first evaporator and led to the machine room through a top wall of the refrigerator compartment, and a second connecting pipe extended from the second evaporator and led to the machine room through a top wall of the freezer compartment, whereby the first and second connecting pipes are connected to each other by a welding operation in the machine room.Type: GrantFiled: January 14, 2004Date of Patent: June 19, 2007Assignee: Samsung Electronics Co., Ltd.Inventor: Sang Gyu Jung
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Patent number: 7231783Abstract: A refrigeration system includes a compressor having a compressor housing and operable to compress a flow of refrigerant. A pump is operable to provide a flow of oil to the compressor. A portion of the oil mixes with the flow of refrigerant and the remainder of the oil flows into the compressor housing. A valve is movable between an open position and a closed position. When in the closed position, the valve is operable to inhibit the addition of oil above a predetermined level within the housing.Type: GrantFiled: August 25, 2005Date of Patent: June 19, 2007Assignee: Zero Zone, Inc.Inventors: Steve L. Esslinger, Erik B. Haffner
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Patent number: 7231784Abstract: A method for producing liquefied natural gas employing two separate adsorption steps for removing water and carbon dioxide from natural gas and employing a subambient expansion to produce regeneration gas for the regeneration of the dehydration adsorption step in addition to supplying refrigeration for the cooling or liquefaction of clean natural gas.Type: GrantFiled: October 13, 2004Date of Patent: June 19, 2007Assignee: Praxair Technology, Inc.Inventors: Henry Edward Howard, Minish Mahendra Shah
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Patent number: 7231785Abstract: Temperature related changes in dimension in a column system, having at least one separating column, a column vessel and a coldbox with coldbox casing, can be compensated for by providing for axial and/or radial movement. The column vessel is connected to the coldbox casing slidably in the axial and/or radial direction by means of radial, rigid connecting members (3, 3a, 3b, 3c, 3d).Type: GrantFiled: April 30, 2004Date of Patent: June 19, 2007Assignee: Linde AktiengesellschaftInventor: Stefan Wilhelm
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Patent number: 7231786Abstract: The present invention relates to a process for manufacturing flat sheets of a glass-based material and to an apparatus therefor. The process comprises providing a glass preform, heating the glass preform in a furnace, forming a gob and a pre-sheet, removing the gob and drawing the glass pre-sheet into a flat glass sheet. Also provided is an apparatus for drawing a glass preform into a glass sheet, the apparatus comprising a draw furnace, stretching arms for stretching and drawing the pre-sheet into a glass sheet, and opposing edge rollers for applying a downward force on the glass sheet. The draw furnace may include a plurality of individual heating elements, the temperature of each heating element capable of being separately controlled. The apparatus may further include an annealing furnace for annealing the glass sheet.Type: GrantFiled: July 29, 2004Date of Patent: June 19, 2007Assignee: Corning IncorporatedInventors: Patrick J Cimo, Michael T Murtagh, Mark L Powley
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Patent number: 7231787Abstract: An apparatus and method for bending and/or tempering glass substrate(s) are provided. The amount of near-IR radiation which reaches the glass to be bent and/or tempered is limited (e.g., via filtering or any other suitable technique). Thus, the IR radiation (used for heating the glass) which reaches the glass to be bent and/or tempered includes mostly mid-IR and/or far-IR radiation, and not much near-IR. In such a manner, coating(s) provided on the glass can be protected and kept at lower temperatures so as to be less likely to be damaged during the bending and/or tempering process. Heating efficiency can be improved.Type: GrantFiled: March 20, 2002Date of Patent: June 19, 2007Assignees: Guardian Industries Corp., Centre Luxembourgeois de Recherches pour le Verre et la Ceramique S.A. (C.R.V.C.)Inventors: George Neuman, Andre Heyen
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Patent number: 7231788Abstract: The apparatus for reduced-pressure refining of a glass melt includes a refining bank formed so that a reduced pressure is generated by a glass flow in it. The refining bank has a component, which is made from a refractory metal or refractory alloy acting as glass-contact material. The refractory metal or alloy contains molybdenum, tungsten, tantalum, and/or hafnium. The device of the present invention includes a protective gas reservoir for a protective gas and an automatically operating valve connecting the reservoir with the refining bank so that an inner side of the component that would otherwise be exposed when a pressure rise or a falling glass melt column occurs is protected from oxidation by the protective gas. A process for using the device during refining of the glass melt is also part of the invention.Type: GrantFiled: October 23, 2001Date of Patent: June 19, 2007Assignee: Schott AGInventors: Frank Karetta, Joerg Witte, Klaus-Dieter Duch, Dirk Gohlke, Wolfgang Muench, Allen Jakway, Rainer Eichholz, Frank-Thomas Lentes
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Patent number: 7231789Abstract: A snapping fabrics comprising of: a micro-fibriform loop fabric, fabricated by complex, spun micro-fiber and splinted thereafter to recover smaller fiber, all of the fibers forming the micro-fibriform loops between the inter-weaving or inter-knitting nodes; a fibriform hook fabric, fabricated by blended spun yarn or synthetic fiber and having a hairiness treatment applied thereafter to form the fibriform hooks for hooking said micro-fibriform loops of said micro-fibriform loop fabrics respectively.Type: GrantFiled: August 30, 2005Date of Patent: June 19, 2007Inventor: Chao-Mu Chou
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Patent number: 7231790Abstract: A padlock-type lock for suitcases and us of the type constituted by a first half-shell and a second half-shell which are mutually articulated, comprising at least one padlock in which the locking bar is engaged, in a closed configuration, in a first through hole and in a second through hole, which are coaxial and are provided respectively in the first edge and in the second edge of the first half-shell and the second half-shells the padlock forming surfaces for mating with the first first edge and with the second edge, so that in the closed configuration the padlock is retained in a preset safe and minimum-protrusion position.Type: GrantFiled: January 26, 2005Date of Patent: June 19, 2007Assignee: GT Line S.R.L.Inventor: Massimo Tonelli
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Patent number: 7231791Abstract: The present disclosure provides an electric cylinder for actuating a door lock which may be easily attached to the existing door lock to prevent picking completely, and an electric cylinder door lock not having a keyhole.Type: GrantFiled: March 29, 2004Date of Patent: June 19, 2007Inventor: Nobuyo Sakai
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Patent number: 7231792Abstract: A method and device for manufacturing UOE steel pipes, wherein, when an opening width of the U-can obtained by U-ing press is larger than the die-diameter in an O-press of later step, while said opening is narrowed from the front end by the closing rolls disposed before said O-press and/or at least at the entrance portion of the O-press to be smaller than the die-diameter of said O-press, the U-can is simultaneously conveyed into the O-press, and then, after charging into the O-press, undergoes O-ing press to yield an O-can. The device is preferably configured to have the closing rolls disposed in a roll stand and consisted of multiple pairs, to have a mechanism to prevent the U-can from moving upward during narrowing the opening width, and to have the function of conveying the U-can. Thus, UOE steel pipes for high-strength application corresponding to X80 grade can be efficiently manufactured.Type: GrantFiled: June 23, 2006Date of Patent: June 19, 2007Assignee: Sumitomo Metal Industries, Ltd.Inventors: Hidenori Shitamoto, Tetsuya Fukuba, Yoshimasa Matsumoto
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Patent number: 7231793Abstract: A warm hydro-forming device comprises: an upper mold and a lower mold respectively mounted to an upper mold die and a lower mold die; a lifting die installed to the lower mold die through a guide unit, an upper portion of the lifting die being connected to the upper mold die through a lifting unit to cooperatively operate in an upward and downward direction with the upper mold die; a pair of hydraulic pressure cylinders for providing an axial compression force to the tube component and supplying a forming hydraulic fluid into the tube component; an ascending and descending unit for ascending or descending the upper mold die; and a heating unit associated with the lifting die such that the heating unit can move toward or away from the tube component. The heating unit heats the tube component and a forming hydraulic fluid through a high frequency induction heating.Type: GrantFiled: January 21, 2005Date of Patent: June 19, 2007Assignee: Sungwoo Hitech Co., Ltd.Inventors: Sung Man Sohn, Mun Yong Lee, Bong Jun Kim, Young Hoon Moon
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Patent number: 7231794Abstract: An object of the present invention is to provide a method of manufacturing a rotational shaft having a worm, wherein a worm portion has a small bending amount. According to the method of the invention, a worm portion is formed at a worm forming portion by a rolling process with rolling dies, and a small diameter portion is formed at least at one axial end of the worm forming portion, wherein a diameter of the small diameter portion is smaller than a diameter of a bottom of a worm tooth to be formed at the worm forming portion, so that surplus material portion of the worm forming portion can flow toward the small diameter portion.Type: GrantFiled: December 16, 2004Date of Patent: June 19, 2007Assignee: ASMO Co., Ltd.Inventor: Koji Kidowaki
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Patent number: 7231795Abstract: An automatic rolling machine with flat chasers, comprising a motionless plate and a movable plate. The movable plate is fixed to a supporting structure that has a reciprocating motion actuated by means of a spindle, crank and linkage, the spindle being supported by a base. The base comprises a first motionless part, which is rigidly coupled to the frame of the machine, and a second movable part, which constitutes the support for the spindle, the position of the movable part with respect to the motionless part being adjustable by a means for varying the position of the movable part with respect to the motionless part.Type: GrantFiled: May 26, 2003Date of Patent: June 19, 2007Assignee: S.M.A.R.T., S.R.L.Inventor: Enrico Ghezzi
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Patent number: 7231796Abstract: A roll-forming machine formed of a machine base, a plurality of sheet-transfer roll sets, and a plurality of forming roll sets and adapted for the formation of a C-shaped component or a Z-shaped component from a sheet material is disclosed to have an adjustment structure for adjusting the horizontal pitch between the left-side forming rolls and the right-side forming rolls, the vertical pitch between the first left-side forming toll and the second left-side and the vertical pitch between the first right-side forming roll and the second right-side forming roll, and the pitch between the impression roll and sheet-transfer roll of each sheet-transfer roll set.Type: GrantFiled: January 21, 2005Date of Patent: June 19, 2007Inventor: Sen-Jung Chuang
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Patent number: 7231797Abstract: A calking die for calking a component in a receiving bore, in particular for calking a securing flange in a stepped receiving bore of a valve block of a traction-controlled vehicle brake system, having an end face oriented toward the component, which face can be brought at least partially into engagement with a calked volume disposed on an edge of the receiving bore, in order to positively displace at least some of the calked volume in the form of a calked bead from the bore edge toward a face of the component. The end face of the calking die has a peripheral recess, which extends from a diameter defining a radially inner remaining end face to a radially outer circumferential face of the calking die and which is intended for at least partially receiving the calked bead.Type: GrantFiled: August 25, 2001Date of Patent: June 19, 2007Assignee: Robert Bosch GmbHInventor: Florian Rispler
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Patent number: 7231798Abstract: A method for bending a tube in a pre-selected geometry includes deriving at least one processing parameter from the geometry, applying a thermal source circumferentially to the tube to heat the tube along at least one circumferentially directed path in accordance with the parameter and actively cooling the tube to a pre-selected temperature. The applying and active cooling steps are alternately performed a number of times. A system for bending the tube includes a thermal source for heating at least one region along the path on the tube, a tube advancing module for advancing the tube, an active cooling module for cooling the tube to a pre-selected temperature, a processing module to derive at least one processing parameter from the geometry and a control module configured to control the thermal source and active cooling module in accordance with the parameter. The alternate heating and cooling are performed a number of times.Type: GrantFiled: June 29, 2005Date of Patent: June 19, 2007Assignee: General Electric CompanyInventors: Wenwu Zhang, Marshall Gordon Jones, David Peter Mika, Brian Harlow Farrell, Michael Evans Graham, Judson Sloan Marte, Magdi Naim Azer
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Patent number: 7231799Abstract: The invention relates to a method and an apparatus for producing a workpiece with internal toothing, especially an internal geared wheel, by using a cup shaped preform (N) with a substantially cylindrical side wall (N1) and a mandrel (5) with an external profile (6) according to the internal toothing to be produced, as well as with a forming tool which reduces the outside diameter of the cylindrical side wall during an advancing movement, as a result of which the material of the cylinder wall region flows into the external profile (6) of the mandrel (5). In accordance with the invention, the forming tool is configured as a drawing ring (14) ensuring the ironing of the cylinder wall region (N1) during an advancing movement and that two tool elements act upon the preform (N) during the ironing, which tool elements produce axial compressive stresses in the cylinder wall region (N1) of the preform.Type: GrantFiled: November 1, 2001Date of Patent: June 19, 2007Assignee: Forschungsgesellschaft Umformtechnik mbHInventors: Aribert Schwager, Fritz Bley, Manfred Kammerer, Klaus Siegert
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Patent number: 7231800Abstract: A method of fabricating an exterior part of a camera is disclosed. The exterior part has an arcuate recess for finger gripping during photography and an arcuately bent portion. The method of fabricating the exterior part includes laminating a plastic protective layer to a surface of a substantially flat stainless steel sheet. An arcuate recess is then formed in the laminated sheet to create a finger grip area. Next, a peripheral flange is formed along a part of the periphery of the sheet, leaving an end portion of the sheet unflanged. The unflanged end portion is manually bent to form an arcuately curved portion with a preliminary curvature. A press die is used to impart a sharper curvature to the curved surface and to perform flanging on the unflanged end portion so as to extend the existing flange along the periphery of the sheet. The extended flange is then ironed to remove any wrinkle.Type: GrantFiled: June 9, 2005Date of Patent: June 19, 2007Assignee: Hewlett-Packard Deveopment Company, L.P.Inventor: Basavaraj-Rajashekhar Kappali
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Patent number: 7231801Abstract: A panel conveying apparatus for a press line comprises a shuttle feeder and at least one panel position regulating device. The shuttle feeder is configured to be movable between presses. The panel position regulating device is mounted on the shuttle feeder and includes a panel guide unit, a rotating screw axis unit, and a link unit. The panel guide unit is configured to guide the panel. The rotating screw axis unit comprises a rotating screw axis and an actuator rotating the rotating screw axis. The link unit connects the panel guide unit and the rotating screw axis unit such that a vertical position of the panel guide unit is regulated in response to a rotation of the rotating screw axis.Type: GrantFiled: May 6, 2004Date of Patent: June 19, 2007Assignee: Hyundai Motor CompanyInventor: Byeong Ho Choi
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Patent number: 7231802Abstract: A sensor comprises a semiconductor pellet (10) including a working portion (11) adapted to undergo action of a force, a fixed portion (13) fixed on the sensor body, and a flexible portion (13) having flexibility formed therebetween, a working body (20) for transmitting an exterted force to the working portion, and detector means (60–63) for transforming a mechanical deformation produced in the semiconductor pellet to an electric signal to thereby detect a force exerted on the working body as an electric signal. A signal processing circuit is applied to the sensor. This circuit uses analog multipliers (101–109) and analog adders/subtracters (111–113), and has a function to cancel interference produced in different directions. Within the sensor, two portions (E3, E4–E8) located at positions opposite to each other and producing a displacement therebetween by action of a force are determined. By exerting a coulomb force between both the portions, the test of the sensor is carried out.Type: GrantFiled: January 25, 2005Date of Patent: June 19, 2007Inventor: Kazuhiro Okada
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Patent number: 7231803Abstract: A hybrid impact sensor and method of operating the same. One sensor includes a support containing one or more mounts; a first sensor with first sensing properties and configured to generate a first output signal; a second sensor with second sensing properties and configured to generate a second output signal, wherein the second sensing properties are different from the first sensing properties; and a housing encasing the first sensor and the second sensor.Type: GrantFiled: November 8, 2004Date of Patent: June 19, 2007Assignee: Robert Bosch GmbHInventor: Frank-Juergen Stuetzler
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Patent number: 7231804Abstract: A non-electric, multiple shock event sensing device has shock sensors coupled to a substrate and arranged in an array defined by a plurality of rows and at least one column. At any given time, only one row of shock sensors is readied for the detection of a shock event. The occurrence of a shock event is detected by the readied row while simultaneously causing a next successive row in the array to be readied for detection.Type: GrantFiled: December 9, 2004Date of Patent: June 19, 2007Assignee: The United States of America as represented by the Secretary of the NavyInventors: Gabriel Smith, Daniel Jean, Wade Babcock
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Patent number: 7231805Abstract: Bubble detection apparatus and method for a liquid dispensing system includes temperature compensation for increasing accuracy of the bubble detection as temperature of the liquid varies. In one embodiment, temperature changes cause corresponding changes in the liquid viscosity. A reference value or pressure signal that is used in a comparator circuit is adjusted or compensated for temperature changes of the liquid. The comparator compares pressure signals to the reference to detect bubbles in the liquid being dispensed.Type: GrantFiled: November 3, 2004Date of Patent: June 19, 2007Assignee: Nordson CorporationInventor: Carl A. Bretmersky
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Patent number: 7231806Abstract: A method and apparatus for rapidly preprocessing and analyzing chemical substances, which places a vaporization bottle containing a sample inside a microwave device and uses a magneton driving device to drive the magneton inside the vaporization bottle to rotate as to stir the sample liquid even. In the meantime, the radiation of the electromagnetic wave of the microwave device is used to activate the molecules of the sample liquid to move, causing the tested chemical substance in the sample liquid to be vaporized in a very short time. Therefore, the tested chemical substance can be absorbed or adsorbed by the absorbing medium to greatly reduce the sample preprocessing time and increase the quantity of the tested chemical substance sample. The detection limits of a tested chemical substance are therefore lowered without using organic solvents.Type: GrantFiled: May 26, 2006Date of Patent: June 19, 2007Inventor: Jen-Fon Jen