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1
US20080307852A1
Publication/Patent Number: US20080307852A1
Publication date: 2008-12-18
Application number: 12/097,162
Filing date: 2006-11-13
Abstract: A plateau phase of a test signal of an exhaust gas probe located in a catalytic converter is detected following a jump from a preset rich air/fuel ratio in a combustion chamber of one cylinder to a preset lean air/fuel ratio, the plateau phase being obtained following the jump, and the duration is determined as a storage period. A plateau phase of the test signal, which is obtained following a jump from a preset lean air/fuel ratio to a preset rich air/fuel ratio, is detected following the jump, and the duration of the plateau phase is determined as an evacuation period. An allocation rule for assigning the test signal to a detected air/fuel ratio is adjusted according to the storage period and the evacuation period. To calibrate the exhaust gas probe, the allocation rule is adapted according to a plateau value of the test signal during the plateau phase. A plateau phase of a test signal of an exhaust gas probe located in a catalytic converter is detected following a jump from a preset rich air/fuel ratio in a combustion chamber of one cylinder to a preset lean air/fuel ratio, the plateau phase being obtained following the jump ...more ...less
2
US20080307856A1
Publication/Patent Number: US20080307856A1
Publication date: 2008-12-18
Application number: 12/153,301
Filing date: 2008-05-16
Abstract: Disclosed is a method of fabricating a carbon monoxide detector and a carbon monoxide detector fabricated using the same. Particularly disclosed is a method of fabricating a carbon monoxide detector, which can operate at room temperature and process high detecting selection, and the detector fabricated using the same. The method comprises: providing a substrate having an upper surface; forming two electrode sets on the upper surface of the substrate, and the two electrode sets combined to provide an interdigitated array electrode; forming a tin dioxide layer, which covers the portion of the two electrode sets and the portion of the upper surface; and forming an organic polymer layer on the surface of the tin dioxide layer. The carbon monoxide detector comprises: a substrate having an upper surface; two electrode sets, which are located on the upper surface of the substrate; a tin dioxide layer, which covers the portion of the two electrode sets and the portion of the upper surface; and an organic polymer layer, which is located on the surface of the tin dioxide layer. Disclosed is a method of fabricating a carbon monoxide detector and a carbon monoxide detector fabricated using the same. Particularly disclosed is a method of fabricating a carbon monoxide detector, which can operate at room temperature and process high detecting selection, and ...more ...less
3
US20080307868A1
Publication/Patent Number: US20080307868A1
Publication date: 2008-12-18
Application number: 12/120,981
Filing date: 2008-05-15
Inventor: Kitahara, Noboru
Abstract: An air flow measuring device includes a first sub-passage portion configured to introduce therein a part of air flowing in an interior of a duct, a passage-area reducing portion provided in the first sub-passage portion to gradually reduce a passage sectional area of the first sub-passage portion as toward an outlet of the first sub-passage portion, and a second sub-passage portion branched from the first sub-passage portion at an upstream side of the passage-area reducing portion in a flow direction of air flowing in the first sub-passage portion. The second sub-passage portion is configured to introduce therein a part of air flowing in the first sub-passage portion. Furthermore, a flow amount sensor is located at an inlet of the second sub-passage portion, at which the second sub-passage portion is branched from the first sub-passage portion, to measure a flow amount of air flowing in the second sub-passage portion. An air flow measuring device includes a first sub-passage portion configured to introduce therein a part of air flowing in an interior of a duct, a passage-area reducing portion provided in the first sub-passage portion to gradually reduce a passage sectional area of the first ...more ...less
4
US20080307878A1
Publication/Patent Number: US20080307878A1
Publication date: 2008-12-18
Application number: 12/156,675
Filing date: 2008-06-03
Inventor: Backes, Ulrich
Abstract: The method operates with successive, continuously repeated measuring cycles. In a first cycle section, a measuring capacitor is charged up to a first threshold value by the current flowing in a light receiver of a first optical measuring section. In a subsequent, second cycle section the measuring capacitor is discharged to a second threshold value by the current flowing in a light receiver of a second optical measuring section. The light transmitters of the optical measuring sections are regulated over several measuring cycles to predetermined rated values for the charging time and the discharging time. A wetting of the pane is concluded from the momentary deviations between the rated values and the actually measured values of the charging times and discharging times. The available modulation range is adapted dynamically to the prevailing conditions by the systematic control of the intensity of the light transmitters in the two optical measuring sections. In addition, the upper limit of the modulation range is extended to higher values of the ambient light. The method operates with successive, continuously repeated measuring cycles. In a first cycle section, a measuring capacitor is charged up to a first threshold value by the current flowing in a light receiver of a first optical measuring section. In a subsequent, second cycle ...more ...less
5
US20080307887A1
Publication/Patent Number: US20080307887A1
Publication date: 2008-12-18
Application number: 12/196,666
Filing date: 2008-08-22
Inventor: Sarr, Dennis P.
Abstract: Apparatus, systems, and methods for inspecting a structure are provided which use a sensor holder constructed from rapid prototyping, such as stereolithography, and which is configured to support a plurality of inspection sensors typically arranged in an ordered matrix array and possibly with one or more additional inspection sensors aligned for inspection of difficult to inspect features of a structure such as radius corner or edge features. Rapid prototype integrated matrix array inspection apparatus, systems, and methods provide fast and efficient methods of constructing custom inspection devices. Apparatus, systems, and methods for inspecting a structure are provided which use a sensor holder constructed from rapid prototyping, such as stereolithography, and which is configured to support a plurality of inspection sensors typically arranged in an ordered matrix array and ...more ...less
6
US20080307898A1
Publication/Patent Number: US20080307898A1
Publication date: 2008-12-18
Application number: 12/197,012
Filing date: 2008-08-22
Abstract: A bearing rotor thrust sensor assembly is provided for being secured to a bearing housing having a plurality of fingers extending between a pair of opposite portions of the housing. The assembly includes a first anchor member including a first cleat and configured to couple to a first housing portion of the pair of opposite housing portions, a second anchor member including a second cleat and configured to couple to a second of the pair of opposite housing portions, and a head sensor bracket positioned at least partially between the first and second anchor members. The head sensor bracket includes a load cell including a bridge circuit for producing a signal representative of forces on said cell. A bearing rotor thrust sensor assembly is provided for being secured to a bearing housing having a plurality of fingers extending between a pair of opposite portions of the housing. The assembly includes a first anchor member including a first cleat and configured to couple to a ...more ...less
7
US20080307918A1
Publication/Patent Number: US20080307918A1
Publication date: 2008-12-18
Application number: 11/761,725
Filing date: 2007-06-12
Abstract: A neutral adjustment mechanism for dual lever steering controls is disclosed. The dual lever steering controls include two levers that are each independently pivotable forward and reverse to drive a zero turning radius mower. The neutral adjustment mechanism includes a control pivot connected to each lever of the dual lever steering controls that pivots with forward and reverse pivoting of each lever. A steering link has a first end with an adjustment point, a ball joint adjacent the adjustment point connecting the steering link to the control pivot, and a second end pivotably connected to an input control lever of a hydrostatic transmission pump. An operator seat may be positioned over the steering links. Under the operator seat, adjustment access holes are provided for adjusting the steering links while the operator seat remains in place. A neutral adjustment mechanism for dual lever steering controls is disclosed. The dual lever steering controls include two levers that are each independently pivotable forward and reverse to drive a zero turning radius mower. The neutral adjustment mechanism includes a control ...more ...less
8
US20080307920A1
Publication/Patent Number: US20080307920A1
Publication date: 2008-12-18
Application number: 11/822,817
Filing date: 2007-07-10
Inventor: Fujiwara, Noboru
Abstract: This invention relates to a load sensor-equipped operating apparatus, which comprises an operational member (16) which is movably operated; a reaction force member (22) which receives an operating force of the operational member transmitted thereto, and on which a reaction force corresponding to the operating force is acted; at least one pivotal connecting portion (20) which is interposed between the operational member and the reaction force member, and pivotably connects a pair of a first member and a second member relative to each other to transmit the operating force; and a load sensor (30) which electrically detects the operating force. The load sensor-equipped operating apparatus is characterized by that the load sensor includes a shaft-like member (36), a main body member (34) disposed to be relatively displaced in a direction perpendicular to an axis of the shaft-like member, a deformable member (32) bridging the shaft-like member and the main body member, and a strain detecting element (40a to 40d) which is secured to the deformable member, and the shaft-like member and the main body member are relatively displaced by the reaction force in the direction perpendicular to the axis of the shaft-like member to deform the deformable member so that the strain detecting element detects the deformation of the deformable member; a transmittal link (60), one end of which is connected to the first member by a connecting pin, and other end of which is integrally secured to one of the shaft-like member and the main body member of the load sensor; other of the shaft-like member and the main body member of the load sensor is connected to the second member; and the connecting pin is arranged, in a front view of the load sensor as viewed in the axial direction, on an acting line of the load which is applied to the load sensor associating with a movable operation of the operational member, at a position generating tensile force in the transmittal link, so that a pivotal movement of the transmittal link about the connecting pin or the load sensor associating with the movable operation of the operational member maintains the direction of relative displacement between the shaft-like member and the main body member of the load sensor constant. This invention relates to a load sensor-equipped operating apparatus, which comprises an operational member (16) which is movably operated; a reaction force member (22) which receives an operating force of the operational member transmitted thereto, and on which a reaction force ...more ...less
9
US20080307921A1
Publication/Patent Number: US20080307921A1
Publication date: 2008-12-18
Application number: 11/666,281
Filing date: 2005-10-18
Abstract: In an activation device for controlling the power of a vehicle drive having a foot pedal, in which the foot pedal is pivotably mounted such that it can abut against a rigid end stop, a switching element which can be displaced by the pivoting movement of the foot pedal is mounted ahead of the end stop in the pivoting path of the foot pedal. The displacement of the switching element requires a reaction force which originates from the switching element to be overcome. The intention is to prevent or reduce a possible abutting noise which can occur when the foot pedal impacts on the switching element at a high impact speed. The device includes a spring element connected ahead of the switching element in the pivoting path of the foot pedal. The spring force of the spring element is less than the reaction force originating from the switching element for a displacement by the foot pedal. In an activation device for controlling the power of a vehicle drive having a foot pedal, in which the foot pedal is pivotably mounted such that it can abut against a rigid end stop, a switching element which can be displaced by the pivoting movement of the foot pedal is mounted ...more ...less
10
US20080307925A1
Publication/Patent Number: US20080307925A1
Publication date: 2008-12-18
Application number: 11/665,982
Filing date: 2005-10-14
Abstract: This invention relates to a method for producing titanium by reaction of titanium tetrachloride with magnesium in a reactor, wherein the temperature in the reactor is above the melting point of magnesium and below the melting point of magnesium chloride, wherein the reaction results in formation of particles comprising titanium, and wherein the particles are removed from the reactor and processed in order to recover the titanium. This invention relates to a method for producing titanium by reaction of titanium tetrachloride with magnesium in a reactor, wherein the temperature in the reactor is above the melting point of magnesium and below the melting point of magnesium chloride, wherein the reaction ...more ...less
11
US20080307932A1
Publication/Patent Number: US20080307932A1
Publication date: 2008-12-18
Application number: 12/138,297
Filing date: 2008-06-12
Abstract: A joint tool includes a first wrench assembly configured to be placed in gripping contact with a rod, a second wrench assembly including jaws configured to grip and rotate a rod when the second wrench assembly is rotated in a first direction and to rotate relative to the rod when moved in a second direction, the second direction being opposite the first direction, and a drive assembly mounted to the first wrench assembly and coupled to the second wrench assembly, the drive assembly being configured to rotate the rod in the first direction and the second direction. A joint tool includes a first wrench assembly configured to be placed in gripping contact with a rod, a second wrench assembly including jaws configured to grip and rotate a rod when the second wrench assembly is rotated in a first direction and to rotate relative to the rod ...more ...less
12
US20080307935A1
Publication/Patent Number: US20080307935A1
Publication date: 2008-12-18
Application number: 12/062,931
Filing date: 2008-04-04
Abstract: There is provided a roll surface machining method which makes it possible to machine a roll with a reduced amount of data. The roll surface machining method for forming a three-dimensional pattern of protrusions or recesses in the surface of a roll by using a cutting tool, the method including the steps of: setting a machining start position of the cutting tool with respect to the surface of the roll by C-axis indexing of the roll and positioning of the roll in the axial direction (Z-axis direction) both with respect to the cutting tool; and rotating the roll at a predetermined speed and moving the cutting toot and the roll relative to each other at a predetermined speed in the axial direction of the roll by C-Z axis interpolation, thereby forming the three-dimensional pattern in the surface of the roll. There is provided a roll surface machining method which makes it possible to machine a roll with a reduced amount of data. The roll surface machining method for forming a three-dimensional pattern of protrusions or recesses in the surface of a roll by using a cutting tool, the ...more ...less
13
US20080307938A1
Publication/Patent Number: US20080307938A1
Publication date: 2008-12-18
Application number: 11/937,918
Filing date: 2007-11-09
Inventor: Horton, Mark
Assignee: Horton, Mark
Abstract: A cutting device for food products having a handle, a neck portion, and a circular cutting blade. The handle is generally curved relative to its longitudinal axis and includes a top surface with a finger stop, the finger stop engaging a user's index finger during use. The handle length is sized in proportion to a typical user's hand so that a free end of the handle is proximate the user's palm. During use, the user's index finger engages a finger stop and top and bottom surfaces of the handle. A method of using such a flat food item cutting device is also disclosed. A cutting device for food products having a handle, a neck portion, and a circular cutting blade. The handle is generally curved relative to its longitudinal axis and includes a top surface with a finger stop, the finger stop engaging a user's index finger during use. The handle ...more ...less
14
US20080307957A1
Publication/Patent Number: US20080307957A1
Publication date: 2008-12-18
Application number: 12/065,356
Filing date: 2006-08-30
Inventor: Kamp, Hartmut
Abstract: A coating for a tribologically heavily loaded component, wherein the coating is in the form of a ceramic coating made of an organic-inorganic prepolymer which is pyrolyzed after being applied to the component.
15
US20080307958A1
Publication/Patent Number: US20080307958A1
Publication date: 2008-12-18
Application number: 12/002,113
Filing date: 2007-12-14
Inventor: Scharp, Rainer
Abstract: A two-part piston for an internal combustion engine consists of an upper part, a lower part and a circumferential, closed cooling channel radially on the outside and close to the piston crown. The channel is closed off, on its underside, by a cooling channel cover which is connected via a skirt connection with two skirt elements that lie opposite one another. In order to reduce the piston weight and nevertheless avoid secondary movements of the piston, circumferential recesses are provided in the region of the skirt elements, which are delimited by the cooling channel cover on the piston crown side and by the skirt connections on the skirt side. The skirt connections are connected with the radially inner region of the cooling channel cover on the piston crown side, and with the upper regions of the skirt elements on the skirt side. A two-part piston for an internal combustion engine consists of an upper part, a lower part and a circumferential, closed cooling channel radially on the outside and close to the piston crown. The channel is closed off, on its underside, by a cooling channel cover which is ...more ...less
16
US20080307959A1
Publication/Patent Number: US20080307959A1
Publication date: 2008-12-18
Application number: 12/089,889
Filing date: 2006-10-10
Abstract: A cleaning process for filtration material of a gas filter is disclosed. A first step hinders the gas flow from passing through the filtration material by closing the clean gas side of a single segment or a row of filter segments. A second step provides a slow gas flow to the closed filter segments to cause a reverse gas flow through the filtration material. A third step opens an impulse valve for an ultra short time to create a compressed gas impulse for disengaging the particles which did not fall off the filtration material during the second step of the cleaning process. A fourth step shuts off the reverse flow gas supply. A device for separating one or several filter segments from the clean gas side of the filter filtration material is also disclosed. A cleaning process for filtration material of a gas filter is disclosed. A first step hinders the gas flow from passing through the filtration material by closing the clean gas side of a single segment or a row of filter segments. A second step provides a slow gas flow to the ...more ...less
17
US20080307962A1
Publication/Patent Number: US20080307962A1
Publication date: 2008-12-18
Application number: 12/196,974
Filing date: 2008-08-22
Abstract: Produced natural gas containing carbon dioxide is dehydrated and chilled to liquefy the carbon dioxide and then fractionated to produce a waste stream of liquid carbon dioxide and hydrogen sulfide. Natural gas liquids may be first separated and removed before fractionation. After fractionation, the waste stream is pressurized and transmitted to a remote injection well for injection either for disposal of the waste stream and preferably to urge hydrocarbons toward the producing well. A hydrocarbon stream proceeds from fractionation to a methanol absorber system which removes carbon dioxide gas. The hydrocarbon stream is thereafter separated into at least hydrocarbon gas, nitrogen and helium. Some of the nitrogen is reintroduced into a fractionation tower to enhance the recovery of hydrocarbons. A methanol recovery system is provided to recover and reuse the methanol. The hydrocarbons are sold as natural gas and the helium is recovered and sold. Excess nitrogen is vented. Produced natural gas containing carbon dioxide is dehydrated and chilled to liquefy the carbon dioxide and then fractionated to produce a waste stream of liquid carbon dioxide and hydrogen sulfide. Natural gas liquids may be first separated and removed before fractionation ...more ...less
18
US20080307963A1
Publication/Patent Number: US20080307963A1
Publication date: 2008-12-18
Application number: 12/138,077
Filing date: 2008-06-12
Abstract: An electrostatic phase change generating apparatus is described. The apparatus causes a change of state to occur in an input gas, for example, ambient air. The electrostatic phase change generating apparatus removes moisture from air, and may be used to generate water from air, dehumidify air, cool air, and the like. The ability to generate water from air has global importance as the need for clean water increases each year. The electrostatic phase change generating apparatus uses high voltage but low current allowing for very energy efficient operations. The electrostatic phase change generating apparatus uses a phase change vessel containing a liquid, a bubbler immersed in the liquid for conveying a gas, and a high voltage source to bias the liquid with respect to an upper electrode. An electrostatic phase change generating apparatus is described. The apparatus causes a change of state to occur in an input gas, for example, ambient air. The electrostatic phase change generating apparatus removes moisture from air, and may be used to generate water from air ...more ...less
19
US20080307965A1
Publication/Patent Number: US20080307965A1
Publication date: 2008-12-18
Application number: 11/763,545
Filing date: 2007-06-15
Abstract: An air dryer, used in a compressed air system, includes an oil coalescing element for agglomerating oil in compressed air passing through the oil coalescing element in a first direction during a charging cycle and passing through the oil coalescing element in a second direction during a purging cycle. A drying material, which is downstream of the oil coalescing element during the charging cycle and upstream of the oil coalescing element during the purging cycle, reduces moisture in the compressed air during the charging cycle. An air dryer, used in a compressed air system, includes an oil coalescing element for agglomerating oil in compressed air passing through the oil coalescing element in a first direction during a charging cycle and passing through the oil coalescing element in a second direction ...more ...less