Federal-Mogul Corporation Patent applications |
Patent application number | Title | Published |
20150337959 | PISTON WITH KEYSTONE SECOND RING GROOVE FOR HIGH TEMPERATURE INTERNAL COMBUSTION ENGINES - A piston for a high temperature internal combustion engine is provided. The piston includes an upper wall, base wall, outer rib, and inner rib defining a cooling chamber therebetween, and a plurality of ring grooves formed in the outer rib. Only the second ring groove is formed with the keystone cross-section, and all of the other ring grooves are formed with the conventional rectangular cross-section. Thus, the piston can be formed with low manufacturing costs and can also provide exceptional performance when used in high temperature combustion engines, wherein the temperature at the first ring groove is greater than 280° C., and thus prevents carbon from depositing or burns off any carbon deposits, but the temperature at the second ring groove is between 200° C. and 280° C., in which case carbon deposits can form and cause the piston ring to stick. | 11-26-2015 |
20150226153 | CYLINDER HEAD GASKET FOR HIGH LOAD AND MOTION APPLICATIONS - A cylinder head gasket including at least three functional layers and at least two stoppers is provided. The first functional layer includes a first full bead extending around a combustion chamber opening and axially aligned with a second full bead of the second functional layer. The first stopper extends along the first functional layer between the combustion chamber opening and the first full bead for preventing over-compression of the first full bead. The second stopper is located beneath the second full bead of the second functional layer for increasing load on the second full bead, reducing head lift, and promoting an even distribution of the load. The second stopper is not attached to the second functional layer along and adjacent the second full bead, and thus an air gap is present between the second stopper and the second full bead when the gasket is not compressed. | 08-13-2015 |
20150226152 | CYLINDER HEAD GASKET WITH COMPRESSION CONTROL FEATURES - A cylinder head gasket including a first functional layer, a second functional layer, a first stopper, and a second stopper is provided. The first functional layer includes a first full bead extending around a combustion chamber opening and axially aligned with a second full bead of the second functional layer. The first stopper extends along the first functional layer between the combustion chamber opening and the first full bead for preventing over-compression of the first full bead. The second stopper extends along the second full bead of the second functional layer for increasing load on the second full bead, reducing head lift, and promoting an even distribution of the load. The second stopper includes a third full bead matching the second full bead of said second functional layer. | 08-13-2015 |
20150069718 | METAL GASKET ASSEMBLY - A metal gasket for establishing a seal between a first member and a second member is provided. The metal gasket includes at least one functional layer with an inner periphery which surrounds an opening. The functional layer also has a generally flat portion and an embossment bead with the embossment bead being spaced from the inner periphery and surrounding the opening. The embossment bead extends in a first direction away from the generally flat portion, has an indentation which extends in a second direction opposite of the first direction and has a bead height of greater than 0.15 mm and no greater than 0.30 mm. | 03-12-2015 |
20140352097 | WINDSCREEN WIPER DEVICE - A windscreen wiper device is provided. The wiper device includes an elongate wiping element made of an elastic material and a support member which operably supports the wiping element. The wiper device further includes an adapter made of one piece for securely and releasably engaging an oscillating wiper arm. The adapter includes a pair of laterally spaced sidewalls that extend longitudinally from a front end to a back end. The adapter further includes a cantilever beam which is positioned between the side walls and extends longitudinally towards the back end. The cantilever beam is pivotal in a vertical direction at a hinge and has a stepped configuration which presents three longitudinally and vertically spaced protrusions which project vertically downwardly for engaging in correspondingly shaped holes in at least three of 9×3, 9×4×23, 9×4×28 and 9×4×33 sized hook-style wiper arms. | 12-04-2014 |
20140304935 | WINDSCREEN WIPER DEVICE - A windscreen wiper device is provided. The wiper device includes a longitudinally extending wiper blade of a flexible material for sealing against a windshield of a vehicle. An elastic, elongated carrier that is self-biased into a pre-curved shape and which extends longitudinally between opposite ends operably supports and biases the wiper blade into a pre-curved configuration. A connecting device is secured to the carrier for attachment to an oscillating wiper arm. A pair of subspoilers, which are constructed as separate pieces from one another and from the wiper blade, are arranged on longitudinally opposite sides of the connecting device. Each of the subspoilers is joined with the carrier along less than a full longitudinal length of the respective subspoiler with an adhesive. | 10-16-2014 |
20140299091 | PISTON MADE USING ADDITIVE MANUFACTURING TECHNIQUES - A monobloc piston body for an internal combustion engine is provided. The piston body includes a first piece which includes a pair of skirt portions and a pair of pin bosses and a second piece which includes a crown portion with an upper combustion surface and an at least partially enclosed oil gallery. The first and second pieces are joined together at a joint that is located on a side of the oil gallery opposite of the upper combustion surface. The firs piece is made through casting or forging, and the second piece is made through an additive manufacturing process, such as direct metal laser sintering. | 10-09-2014 |
20140272128 | WEAR RESISTANT LEAD FREE ALLOY BUSHING AND METHOD OF MAKING - A bearing having improved wear resistance has a bearing material of a copper-tin-bismuth alloy which may also include phosphorus which has excellent strength, due to the solid solution of copper, tin and phosphorus (when used), attached to a steel backing shell. The material also has good lubricity as a result of the presence of the bismuth which also promotes tin mobilization and formation of a layer of tin on the bearing surface upon use of the bearing. The addition of small amounts of relatively small hard particles in the copper-tin-matrix, particularly Fe | 09-18-2014 |
20140265156 | ELASTIC SEALING MEMBER RADIALLY INWARDLY OF PRIMARY SEALING BEAD - A gasket assembly having a secondary elastic sealing bead positioned radially inwardly of the primary sealing bead. The secondary sealing bead extends circumferentially about the aperture and radially inwardly of the primary sealing bead. A stopper layer is disposed adjacent at least a portion of the gasket layer and extends radially from the outboard region to the inboard edge to radially overlap the secondary sealing bead and the primary sealing bead. The secondary sealing bead has an “S-type” structure and provides increased gasket resiliency adjacent the inboard edge. | 09-18-2014 |
20140265154 | MULTI-LAYER GASKET - A multi-layer gasket for establishing a seal between a first member (such as a cylinder head) and a second member (such as an engine block) is provided. The multi-layer gasket includes a pair of outer functional layers and at least one inner functional layer. Each layer has a full combustion bead that encircles an opening, and the full combustion beads of all of the layers are aligned radially with one another. Each layer also has an outer periphery, and the outer periphery of the inner layer is disposed radially between the aligned full combustion beads and the outer peripheries of the outer layers. The outer layers also include half beads adjacent their outer peripheries. | 09-18-2014 |
20140265153 | HYBRID RING WELDED CYLINDER HEAD GASKET - A cylinder head gasket with a single layer carrier member, a sealing ring for sealing around the cylinder opening, and at least one protection layer. The sealing ring has a plurality of functional layers. A protection layer is positioned on at least one side of the sealing ring, and preferably on both sides. The sealing ring and protection layers are fixedly secured to the carrier member by welding. | 09-18-2014 |
20140265152 | Scavenger Pump Seal and Radial Shaft Seal Assembly Therewith - A scavenger pump seal and radial shaft seal assembly therewith are provided. The scavenger pump seal includes an inner case configured for fixed attachment to a shaft for conjoint rotation with the shaft and an outer case configured for fixed receipt in a housing in which the shaft rotates. The inner case has an innermost wall sized for a press fit on the shaft and an outermost wall. An absorbent member is fixed to the inner case with the outermost wall overlying the absorbent member, thereby preventing the absorbent member from moving radially outwardly. The outer case has an outermost wall sized for fixed receipt in the housing, and facilitates preventing the egress of oil to the external environment. | 09-18-2014 |
20140265148 | LOW TENSION PISTON RINGS AND METHOD FOR MANUFACTURING THE SAME - The invention provides a low tension piston ring having a finished outer diameter and negligible tangential tension. The method includes the steps of machining a stock bar to an initial outer diameter slightly greater than the finished outer diameter of the piston ring, finishing the initial outer diameter of the stock bar to a rounded profile having a nominal diameter equal to the finished outer diameter, and machining the stock bar to the preferred cross-section. Dykes-type piston rings can have keystone or semi-keystone shaped cross-sections. The method continues by detaching the piston ring from the stock bar using a parting tool in response to completing all tension inducing operations including the steps recited above. The method continues with the steps of lapping the piston ring to a final longitudinal thickness and cutting the piston ring longitudinally to form a final gap. | 09-18-2014 |
20140261287 | ENGINE SPACER PLATE GASKET - A sealing assembly for establishing a gas and fluid tight seal in an internal combustion engine is provided. The sealing assembly includes a plate of metal which has a plurality of openings and at least one generally flat surface. The plate also has at least one shelf which circumferentially surrounds one of the openings and which opens to the generally flat surface and the opening. The sealing assembly further includes at least one sealing bead of an elastically compressible material which is engaged with the shelf and extends outwardly therefrom past the generally flat surface for sealing the plate with another component in the internal combustion engine. | 09-18-2014 |
20140261284 | Piston and Method of Construction Thereof - A piston and method of construction are provided. The piston has a piston body with an insert forming at least a portion of an upper combustion surface. The piston body is constructed from a first material having a first thermal conductivity and the insert is constructed from a second material having a second thermal conductivity. The first thermal conductivity is less than the second thermal conductivity. The piston body has an upper crown and a pair of pin bosses depending from the upper crown with the pin bosses presenting pin bores aligned with one another along a pin bore axis. The upper crown includes a recess in which the insert is fixed. | 09-18-2014 |
20140261283 | PISTON AND METHOD OF MAKING A PISTON - A piston for an internal combustion engine is provided. The piston includes a pair of pin bosses formed of aluminum or an aluminum alloy spaced from one another in an axial direction. Each of the pin bosses has a generally circular opening for receiving a wrist pin. The pin bosses are formed integrally with surrounding areas of the piston, and each pin boss has a zone with increased hardness relative to the surrounding areas of the piston. The zone with increased hardness is at the inner periphery of the generally circular opening and resists deformation from forces between the piston and a wrist pin during operation of the internal combustion engine. Preferably, the zone with increased hardness has a dendritic microstructure with primary silicon crystallites dispersed throughout; are substantially free of pores and cracks; and have a Vickers Hardness Value of between 169 and 177. | 09-18-2014 |
20140260959 | WEAR RESISTANT PISTON RING COATING - A method of manufacturing a coated piston ring includes applying a layer of an aluminum-based material to an outside surface of a ring body formed of an iron-based material, such as steel. The layer of an aluminum-based material is applied by thermal spraying. The method further includes an environmentally friendly heat treatment process causing the aluminum-based material to combine with the iron-based material of the ring body and form a wear resistant coating of aluminum iron (Al | 09-18-2014 |
20140260955 | CYLINDER LINERS WITH ADHESIVE METALLIC LAYERS AND METHODS OF FORMING THE CYLINDER LINERS - A coated cylinder liner | 09-18-2014 |
20140246833 | Non-Contact Labyrinth Seal Assembly - A non-contact labyrinth seal assembly includes a carrier having cylindrical outer flange with an annular leg extending inwardly therefrom. An elastomeric body is attached to the leg. The body has a first pair of seal lips extending radially inwardly in diverging relation from one another and a second pair of seal lips spaced radially outwardly from the first pair of seal lips. The second pair of seal lips includes radially outermost and a radially innermost seal lips. The radially outermost seal lip has a cylindrical inner surface and an inner surface of the radially innermost seal lip has a first portion extending substantially parallel to the cylindrical inner surface to form an annular channel and a second portion extending radially outwardly to an innermost lip free end that is radially aligned with the cylindrical inner surface to form an annular opening having a width less than a width of the channel. A sleeve has an annular barrier extending radially outwardly to an annular flange that extends axially through the opening into the channel. | 09-04-2014 |
20140245821 | DATA COLLECTOR FOR AN INTERNAL ENGINE COMPONENT - An internal engine component including a data collector assembly is provided. The data collector assembly includes a sensor for sensing a condition and for generating a signal corresponding to the condition and a digital to analog converter for converting the signal to a digital signal. The data collector assembly also includes a memory for storing data, a clock and a processor. A power source is electrically connected to the sensor, the analog to digital converter, the memory, the clock and the processor. During an engine test, the processor, sensor, digital to analog converter, clock and memory are substantially the only devices that draw electricity from the power source. | 09-04-2014 |
20140239597 | MAIN SEAL FOR A HEAVY-DUTY VEHICLE WHEEL END ASSEMBLY - A wheel end assembly for a heavy-duty vehicle includes an axle spindle and a hub rotatably mounted on the axle spindle. A main seal extends radially between the axle spindle and the hub. The seal includes a dynamic portion that seats in a bore formed in the wheel hub, and a static portion that seats on the axle spindle. The static portion includes a rigid carrier that in turn includes a first member, and a second member that is rigidly attached to the first member. An elastomer is bonded to the carrier member and forms a first external lip. The first external lip extends generally parallel to a chamfer formed in an inboard end of the hub. The first external lip, other external features, and internal features prevent contaminants from entering the wheel end assembly, retain lubricant in the assembly, and provide a dynamic expulsion surface to expel contaminants. | 08-28-2014 |
20140230774 | Complex-Shaped Piston Oil Galleries With Piston Crowns Made By Cast Metal or Powder Metal Processes - A steel piston with an oil gallery, and process for forming a steel piston oil gallery channel, which corresponds to the complex shape of the combustion bowl in the piston crown. The piston crown is made by a cast metal or powder metal forming process. The oil gallery channel is formed to the basic shape that corresponds to the shape of the walls of the combustion bowl. Machine-turning surfaces in the oil gallery channel can be machine-finished as desired. Surfaces in the oil gallery which cannot be machined with conventional turning operations, such as recesses and protrusions into the channel, are left in the original as-formed condition. | 08-21-2014 |
20140230646 | Complex-Shaped Forged Piston Oil Galleries - A steel piston with an oil gallery, and process for forming a steel piston oil gallery channel, which corresponds to the complex shape of the combustion bowl in the piston crown. The oil gallery channel is first forged to the basic shape that corresponds to the shape of the walls of the combustion bowl. Machine-turning surfaces in the oil gallery channel can be machine-finished as desired. Surfaces in the oil gallery which cannot be machined with conventional turning operations, such as recesses and protrusions into the channel, are left in the original forged condition. | 08-21-2014 |
20140218212 | VEHICLE PUDDLE LAMP RESPONSIVE TO GROUND SURFACE CONDITIONS - A lighting system for the exterior of a vehicle that includes a housing, a sensor, a lamp assembly, and a controller. The sensor is carried by the housing and detects the presence of a hazard in a predetermined region on the ground adjacent to the vehicle. The lamp assembly is carried by the housing and has a light source for projecting light onto at least a portion of the region. The controller is coupled to the sensor and the lamp assembly. The controller has a light activation input and, upon receipt of a light activation command at the input, it controls the lamp assembly to project light from the lamp assembly of a first color or other visible characteristic when no hazard is detected by the sensor and of a second color or other visible characteristic when the hazard is detected by the sensor. | 08-07-2014 |
20140202404 | PISTON AND METHOD OF MAKING A PISTON - A monobloc piston assembly for an internal combustion engine is provided. The piston assembly includes a piston body which extends along an axis and is formed of at least two pieces of material which are joined together at least one friction weld joint which extends continuously through an annular shape around the axis. One of the pieces has an upper surface with a combustion bowl having a rotationally asymmetrical shape around the axis formed therein. Another of the pieces has a dome-shaped receiving surface which is rotationally symmetrical around the axis for slidingly receiving a portion of a connecting rod. | 07-24-2014 |
20140151916 | Method For Making Press-In-Place Gaskets - Processes for making press-in-place (PIP) gaskets. Representative components with gasket cavities (grooves) are prepared and the cavities are filled with a curable molding material. Once the molded gaskets are hardened, they are removed from the cavities. The molded sample gaskets are then measured, preferably by a laser scanner, and drawings are prepared based on the measurement data. Appropriate tooling is then created and the gaskets are produced. | 06-05-2014 |
20140140647 | HIGH STRENGTH LOW FRICTION ENGINEERED MATERIAL FOR BEARINGS AND OTHER APPLICATIONS - A high strength, low friction engineered material includes a low friction material filling interstices of a metal microlattice. The metal typically comprises 5 volume % to 25 volume % and the interstices typically comprise 75 volume % to 95 volume %, based on the total volume of the metal microlattice and the interstices. The low friction material preferably fills 100 volume % of the interstices. The metal microlattice can be formed of a single layer, or multiple layers, for example layers of nickel, copper, and tin. The low friction material is typically a polymer, such as polytetrafluoroethylene (PTFE), polyamide (PAI), polyetheretherketone (PEEK), polyethylene (PE), or polyoxymethylene (POM). The low friction material can also include additive particles to modify the material properties. The engineered material can be used in various automotive applications, for example as a bearing, or non-automotive applications. | 05-22-2014 |
20140137387 | PISTON ASSEMBLY TRANSPORTATION AND INSTALLATION APPARATUS AND METHODS OF TRANSPORTING AND INSTALLING A PISTON ASSEMBLY THEREWITH - A piston assembly transportation and assembly apparatus and methods of transporting and installing a piston assembly therewith are provided. The apparatus maintains a piston assembly in its assembled state during transportation without allowing damage and contamination to the piston assembly. The apparatus also facilitates storage and installation of the piston assembly into a cylinder bore. The apparatus includes a housing having a bore bounded by an inner cylindrical surface extending from a first end of the housing toward a second end of the housing. A chamfered surface diverges radially outwardly from the first end to mate with an upper surface of a stuffing cone during assembly. The second end has a wall extending radially inwardly from the inner cylindrical surface to axially confront an upper crown of the piston assembly to both prevent the piston assembly from passing though the apparatus and to prevent contamination from entering the apparatus. | 05-22-2014 |
20140123930 | Piston With a Cooling Gallery Partially Filled With a Thermally Conductive Metal-Containing Composition - A piston for an internal combustion engine comprises a sealed cooling gallery extending circumferentially around a center axis beneath a bowl rim of an upper crown. A metal-containing composition having a high thermal conductivity fills a portion of the sealed cooling gallery to dissipate heat. The metal-containing composition includes a base material having a melting temperature less than 181° C. and a plurality of metal particles having a thermal conductivity greater than the thermal conductivity of the base material. For example, the metal-containing composition can comprise copper particles dispersed in silicone oil, or copper particles dispersed in a mixture of alkali metals. During high temperature operation, as the piston reciprocates in the cylinder bore, the base material is liquid and flows throughout the cooling gallery to dissipate heat away from the upper and lower crowns. | 05-08-2014 |
20140106067 | DISTRIBUTED LIGHTING ASSEMBLY - The lighting assembly ( | 04-17-2014 |
20140103610 | MULTILAYER STATIC GASKET WITH BEAD COMPRESSION LIMITER - A multilayer cylinder head gasket has a pair of functional layers and a distance layer with aligned openings. Each functional layer has a full bead located radially outwardly from and extending about its opening. Each functional layer also has a half bead spaced from the full bead. The distance layer includes a first portion extending radially from the opening and having a first thickness. A second portion of the distance layer extends radially from the first portion and has a second thickness that is less than the first thickness. A third portion of the distance layer extends radially from the second portion and has a third thickness less than the second thickness. The distance layer comprises a plurality of pieces, and at least one of the pieces limits compression of at least one of the full beads when the functional layers are compressed together. | 04-17-2014 |
20140102599 | CHEMICAL VAPOR DEPOSITION OF WEAR RESISTANT COATINGS ONTO PISTON RING RUNNING FACE, SIDE FACE, AND INNER DIAMETER IN ONE COATING RUN - A method of coating all surfaces of a plurality of piston rings in a single run by a chemical vapor deposition (CVD) process is provided. The method can include providing a coil formed of an iron-based material; heating the coil; and depositing a coating on all surfaces of the coil during a single continuous period of time, without having to move the coil during the CVD process. The coil is maintained in a fixed position during the depositing step. The method next includes splitting the coil into a plurality of separate coated piston rings. Alternatively, the method can include providing a plurality of stacked keystone piston ring bodies; and disposing a cylinder around the stack to maintain the keystone piston ring bodies in position while depositing the CVD coating on all surfaces of the keystone piston ring bodies during the single coating run. | 04-17-2014 |
20140099514 | BI-MATERIAL STRIP AND A METHOD OF BONDING STRIPS OF DIFFERENT MATERIALS TOGETHER - A continuous hot bonding method for producing a bi-material strip with a strong bond therebetween is provided. The method comprises sanding a first strip formed of steel; and applying a layer of first particles, typically formed of copper, to the sanded first strip. The method next includes heating the first strip and the layer of the first particles, followed by pressing a second strip formed of an aluminum alloy onto the heated layer of the first particles. The aluminum alloy of the second strip includes tin particles, and the heat causes the second particles to liquefy and dissolve into the melted first particles. The first particles and the second particles bond together to form bond enhancing metal particles, which typically comprise bronze. | 04-10-2014 |
20140097572 | Radial Shaft Seal Assembly With Snap In Auxillary Member - A shaft seal assembly includes a metal case having a wall extending cylindrically about a central axis with an annular leg extending radially inwardly from the wall toward the central axis. An elastomeric material is bonded to the leg and a primary seal lip is operably attached to the elastomeric material. The primary seal lip separates an oil side of the assembly from an air side of the seal assembly. The elastomer material has an annular groove formed on the air side of the primary seal lip. The assembly further includes an auxiliary lip subassembly including an annular metal washer with at least one auxiliary lip fixed thereto as a one-piece subassembly. The annular metal washer has an annular outer periphery snappingly received within the annular groove. | 04-10-2014 |
20140096735 | PISTON ASSEMBLY AND METHOD OF MAKING A PISTON - An improved piston for an opposed piston internal combustion engine is provided. The piston includes a piston body that extends along an axis from a crown portion to a skirt portion with a full piston skirt and to a pin boss portion. The piston body includes a plurality of ring grooves in the crown portion and at least one ring groove in the skirt portion. A wrist pin which has a length that is longer than a maximum diameter of the piston body is joined with the piston body at the pin boss portion and extends past the pin boss portion for receiving a pair of connecting rods on opposite sides of the piston body. The piston body is a monobloc piston body which is made of one integral piece or of multiple pieces that are welded or adhered together. | 04-10-2014 |
20140083390 | REDUCED COMPRESSION HEIGHT PISTON AND PISTON ASSEMBLY THEREWITH AND METHODS OF CONSTRUCTION THEREOF - A piston assembly and method of construction thereof for an internal combustion engine are provided. The assembly includes a piston head having an upper combustion wall with an undercrown surface and a ring belt region. The piston head has a floor with an upper surface and a bottom surface. The floor is spaced beneath the upper combustion wall in radial alignment with the ring belt region. A substantially enclosed, annular cooling gallery is bounded by the undercrown surface and the floor. A pair of pin bores depends directly from the floor of the cooling gallery. The assembly further includes a pin having ends configured for oscillating receipt in the pin bores. A pin bearing surface extends within the pin bores and between the pin bores in the lower surface of the floor. The assembly includes a connecting rod with an end fixed to the pin for conjoint oscillation therewith. | 03-27-2014 |
20140076264 | STEEL PISTON WITH COUNTER-BORE DESIGN - A piston for an internal combustion engine is provided. The piston includes a piston body which is made of steel. The piston body has a crown portion with an upper combustion surface, a pair of skirts which depend from the crown surface, a pair of pin bosses for receiving a wrist pin and a plurality of pin boss bridges which extend from the pin bosses to the skirts. Each of the pin boss bridges extends axially to a lower end which is opposite of the crown portion and has a rib with an increased thickness at its lower end. At least one of the pin boss bridges has a generally flat counter-bore surface for providing a reference location for machining of the piston body. | 03-20-2014 |
20140020648 | PISTON WITH OIL COOLING PASSAGE AND METHOD OF CONSTRUCTION THEREOF - A piston for an internal combustion engine and method of construction thereof are provided. The piston includes a piston body having an upper combustion surface and an annular cooling gallery surrounding an undercrown region. An outer wall depends from the upper combustion surface. An annular ring belt region is formed in the outer wall adjacent the upper combustion surface. The ring belt region has at least one ring groove formed therein. At least one oil passage extends from the at least one ring groove to the cooling gallery. The oil passage has a first portion depending radially inwardly from the ring groove and a second portion ascending radially inwardly from the first portion to the cooling gallery. | 01-23-2014 |
20140020640 | PISTON INCLUDING A PAIR OF COOLING CHAMBERS - A piston for an internal combustion engine including a piston body ( | 01-23-2014 |
20140013939 | WRIST PIN AND METHOD OF REDUCING WEAR BETWEEN MEMBERS THEREOF, CONNECTING ROD, PISTON AND METHODS OF CONTRUCTING SAME - A wrist pin and method of reducing wear between members thereof, a piston, a connecting rod, and methods of construction thereof are provided. The wrist pin has a first portion extending between opposite ends configured for receipt in piston pin bores and a second portion extending between opposite ends configured for receipt in the pin bores. The second portion is configured for relative movement with the first portion. The piston includes a piston body having axially aligned pin bores, wherein at least one of the pin bores has a feature to prevent relative rotation of a wrist pin member. The connecting rod includes a connecting rod body having small end bore. The small end bore has a contour to allow relative rotation of a first wrist pin member therein and a feature to prevent relative rotation of a second wrist pin member therein. | 01-16-2014 |
20130322978 | METHOD OF FORMING PISTON PIN HOLES AND BORING SYSTEM THEREFOR - A piston pin hole boring system and method of forming pin holes therewith includes fixing a piston to a fixture supported by a slide member. Then, rotating a cutting member about a first axis and moving the slide member with the fixture thereon toward the cutting member along the first axis and bringing the piston into cutting contact with the cutting member. Further, moving the fixture along second and third axes, each extending transversely to the first axis and machining the desired pin hole contours in the piston with the cutting member. | 12-05-2013 |
20130315772 | POWDER METAL COMPOSITIONS FOR WEAR AND TEMPERATURE RESISTANCE APPLICATIONS AND METHOD OF PRODUCING SAME - A powder metal composition for high wear and temperature applications is made by atomizing a melted iron based alloy including 3.0 to 7.0 wt. % carbon; 10.0 to 25.0 wt. % chromium; 1.0 to 5.0 wt. % tungsten; 3.5 to 7.0 wt. % vanadium; 1.0 to 5.0 wt. % molybdenum; not greater than 0.5 wt. % oxygen; and at least 40.0 wt. % iron. The high carbon content reduces the solubility of oxygen in the melt and thus lowers the oxygen content to a level below which would cause the carbide-forming elements to oxidize during atomization. The powder metal composition includes metal carbides in an amount of at least 15 vol. %. The microhardness of the powder metal composition increases with increasing amounts of carbon and is typically about 800 to 1,500 Hv50. | 11-28-2013 |
20130233270 | ENGINE PISTON - A piston for an internal combustion engine is provided. The piston includes a piston body of steel and including a crown portion, a pair of skirt portions and a pair of pin boss panels. The crown portion has an upper combustion surface, a lower surface having an undercrown surface area and an outer annular ring belt with at least one ring groove. The pin boss panels depend from the crown portion and extend in spaced relationship with one another between the skirt portions. Each pin boss panel includes a pin boss having a pin bore, and the pin bores are aligned with one another for receiving a wrist pin. Each pin boss panel also has at least one recess located vertically between the associated one of the pin bores and the crown portion to increase the undercrown surface area for improved cooling of the crown portion. | 09-12-2013 |
20130229102 | SPARK PLUG - A spark plug includes a terminal for receiving an electrical charge, a firing electrode on a firing end of the spark plug, and a conductor electrically coupling the terminal and firing electrode. The spark plug further includes a casing, an electrical insulator, and a ground electrode. The casing is at least partially formed from an electrically conductive material and is configured to be electrically coupled to a ground. The electrical insulator separates the conductor from the casing. The ground electrode is positioned proximate to the firing electrode, but separated from the firing electrode by a spark gap. The ground electrode includes an extension projecting from the casing such that the firing electrode is closer to the ground electrode than the firing electrode is to the casing. There is substantially no air gap between the interior of the casing and the electrical insulator from the firing end of the spark plug. | 09-05-2013 |
20130220115 | Piston Assembly Including A Polymer Coating With Hard Particles Applied to Sliding Surfaces - A piston assembly comprises a piston body, a connecting rod, and a wrist pin. The piston body includes a pair of first cross bores presenting a piston sliding surface. The connecting rod includes a second cross bore presenting a rod sliding surface which is axially aligned with the first cross bores of the piston body. A wrist pin is disposed in the aligned cross bores and couples the piston body to the connecting rod. The wrist pin also presents a pin sliding surface facing the rod sliding surface and the piston sliding surfaces. A coating is applied to at least one of the sliding surfaces, such as by dipping, brushing, atomizing, spraying, printing, or screen printing. The coating includes a polymer matrix, such as polyamide imide (PAI), and hard particles, such as Fe | 08-29-2013 |
20130214793 | ELECTRICAL DIAGNOSTIC TOOL - A diagnostic tool for monitoring a component in a load electrical circuit is provided. The diagnostic tool includes a housing containing a relay, at least one electrical sensor, a computer readable memory and a processor. The relay is configured for selectively open and close the load electrical circuit according to a control electrical circuit. The at least one sensor is configured to measure current and/or voltage in the load electrical circuit and to generate signals corresponding to the electrical load drawn through the load electrical circuit. The processor is in electrical with the sensor or sensors and the computer readable memory for storing data in the computer readable memory corresponding to the signals generated by the sensor. | 08-22-2013 |
20130213340 | PISTON ASSEMBLY FOR INTERNAL COMBUSTION ENGINE - A piston assembly includes a piston having a crown with an upper combustion surface with a cylindrical outer surface extending downwardly from the upper combustion surface. A pair of pin bosses depends from the crown to a pair of pin bores having generally cylindrical bearing surfaces aligned along a pin bore axis with a top wall portion extending between the pin bosses. The top wall portion has a concave bearing surface forming a continuous concave bearing surface with the pin bores. A separate skirt is fixed to the piston against relative movement. At least one rib extends upwardly from the top wall portion of the piston on opposite sides of the pin bore axis to a lower wall surface of the crown. The at least one rib joins the crown to the top wall portion to provide structural support to the top wall portion against unwanted deflection. | 08-22-2013 |
20130213222 | PISTON RING FOR AN INTERNAL COMBUSTION ENGINE - A piston ring for sealing a cylinder wall to a piston body is provided. The piston ring includes a ring body of an elastically deformable material which extends substantially circumferentially around an axis and has an inner face that faces the axis. The inner face includes a plurality of axially spaced and radially inwardly extending contact features. The ring body configured to bias the contact features into engagement with the piston body to establish a seal therebetween. At least one of the contact features extends substantially continuously around a circumference for establishing a substantially continuous seal around the piston body, and at least one of the contact features is non-continuous and has at least one recessed area for allowing the passage of oil and gas therethrough. | 08-22-2013 |
20130213221 | PISTON RING FOR AN INTERNAL COMBUSTION ENGINE - A piston assembly including a piston body and a piston ring is provided. The piston body has a skirt, a portion of which extends circumferentially continuously and has a skirt diameter. The piston ring has a ring body which extends through at least one revolution in a generally helical shape when in a relaxed condition. The ring body also has an inner face, and when in the relaxed condition, the inner face presents a ring diameter which is less than the skirt diameter. The ring body circumferentially surrounds the skirt of the piston body, thereby causing the inner face to be biased into engagement with the outer surface of the circumferentially continuous portion of the skirt of the piston body to establish a dynamic seal between the ring body and the piston body. | 08-22-2013 |
20130213220 | PISTON RING FOR AN INTERNAL COMBUSTION ENGINE - A piston ring for sealing a cylinder wall to a piston body is provided. The piston ring includes a ring body that extends about an axis and has inner and outer faces. The inner face presents a pair of ridges that extend in a radially inward direction, and the outer face presents a groove. A spring of an elastomeric material substantially circumferentially surrounds the ring body and is seated in the groove on the inner face. The spring biases the ring body in the radially inward direction to seal the ridges against the piston body. The ring body also has at least one oil drainage port which extends at an angle relative to the radially inward direction from the inner face to a location on the outer face on one axial side of the spring for conveying oil out of a space between the ridges. | 08-22-2013 |
20130213219 | PISTON RING FOR AN INTERNAL COMBUSTION ENGINE - A power cylinder assembly for an internal combustion engine is provided. The power cylinder assembly includes a cylinder wall having a channel formed therein and a piston body with a skirt. A piston ring is seated within the channel of the cylinder wall and is sealed against the skirt of the piston body. Specifically, the piston ring has a ring body with an inner face that presents two radially inwardly extending ridges spaced axially from one another by a valley region, and the outer face presents a groove which receives a spring to bias the ridges into sliding engagement with the outer surface of the skirt of the piston body. The ring body also has at least one oil drainage port which extends radially between the valley region of the inner surface and the groove of the outer face for conveying oil from between the ridges into the groove. | 08-22-2013 |
20130213217 | PISTON RING FOR AN INTERNAL COMBUSTION ENGINE - A piston ring assembly for sealing a cylinder wall to a piston body is provided. The piston ring assembly includes a plurality of rings stacked in an axial direction one in abutment with another. Each ring has an inner face and an outer face. The piston ring assembly also includes a spring which substantially circumferentially surrounds the stacked rings and abuts the outer faces of the rings. The spring biases the stacked rings in a radially inward direction for sealing the inner faces of the rings against the piston body. The spring may be of a strip of material bent into a serpentine pattern when in an at rest condition to apply the biasing force against the piston body. | 08-22-2013 |
20130186237 | THERMAL SPRAY APPLICATIONS USING IRON BASED ALLOY POWDER - A thermal spray powder 20 is provided for use in a thermal spray technique, such as flame spraying, plasma spraying, cold spraying, and high velocity oxygen fuel spraying (HVOF). The thermal spray powder 20 is formed by water or gas atomization and comprises 3.0 to 7.0 wt. % carbon, 10.0 to 25.0 wt. % chromium, 1.0 to 5.0 wt. % tungsten, 3.5 to 7.0 wt. % vanadium, 1.0 to 5.0 wt. % molybdenum, not greater than 0.5 wt. % oxygen, and at least 40.0 wt. % iron, based on the total weight of the thermal spray powder 20. The thermal spray powder 20 can be applied to a metal body, such as a piston or piston ring, to form a coating. The thermal spray powder 20 can also provide a spray-formed part. | 07-25-2013 |
20130180494 | PISTON WITH ANTI-CARBON DEPOSIT COATING AND METHOD OF CONSTRUCTION THEREOF - A piston and method of construction are provided. The piston includes a piston body having an upper combustion surface configured for direct exposure to combustion gases within a cylinder bore with an undercrown surface located beneath the upper combustion surface. The piston body also includes a ring belt region configured for receipt of at least one piston ring adjacent the upper combustion surface with a cooling gallery configured radially inwardly and in substantial radial alignment with the ring belt region. The piston further includes a non-stick material contained in or bonded to at least one of the undercrown surface and at least a portion of the cooling gallery, wherein the non-stick material inhibits the build-up of carbon deposits thereon. | 07-18-2013 |
20130174728 | PISTON PIN FOR HEAT DISSIPATION - A piston assembly including a piston body pivotally connected to a connecting rod by a wrist pin. The wrist pin includes a sealed cavity therein partially filled with a heat transfer medium. The heat transfer medium may be composed of a fusible alloy. The sealed cavity may be comprised of discrete compartments. The wrist pin may be integrated with the connecting rod and share a conjoined sealed cavity therewith so that heat transfer medium can draw heat effectively away from the piston body. | 07-11-2013 |
20130167317 | WINDSCREEN WIPER DEVICE - A windscreen wiper device, or a wiper blade assembly, for cleaning a windshield of a vehicle is provided. The wiper blade assembly includes a wiper strip that extends in a longitudinal direction and at least one carrier element in engagement with the wiper strip for supporting and biasing the wiper strip into a predetermined configuration. An at least two piece connecting device is coupled to the at least one carrier element. One piece of the connecting device is a main piece that has a bearing surface shaped, and the other piece is a door piece that is pivotable between an open position for allowing attachment and detachment between the connecting device and the wiper arm and a closed position for securing the wiper arm into engagement with the wiper blade assembly. The door piece is pivotably coupled to the main piece about an axis that extends in a longitudinal direction. | 07-04-2013 |
20130152365 | WINDSCREEN WIPER DEVICE - A method of making a windscreen wiper device is provided. The method includes the step of preparing a wiper strip and at least one carrier element in engagement with the wiper strip. The at least one carrier element extends in a longitudinal direction between opposite ends to bias the wiper strip into a predetermined configuration. The method proceeds with sliding a first component of a frame structure onto one of the ends of the at least one carrier element and sliding a second component of the frame structure onto one of the ends of the carrier element. The method continues with the step of coupling the first and second components of the frame structure with one another only after the first and second components are both slid into engagement with the at least one carrier element. | 06-20-2013 |
20130152329 | WINDSCREEN WIPER DEVICE - A windscreen wiper device is provided. The windscreen wiper device includes an elongated wiper strip of a flexible material for sealing against the windshield and at least one elongated groove. At least one flexible and elongated carrier element is disposed in the at least one groove of the wiper strip for biasing the wiper strip into a predetermined configuration when in a relaxed state. The at least one carrier element presents at least one upwardly facing curve and at least one downwardly facing curve when in a relaxed state. | 06-20-2013 |
20130152328 | WINDSCREEN WIPER DEVICE - A windscreen wiper device for cleaning a windshield of a vehicle is provided. The windscreen wiper device includes a wiper strip for sealing against the windshield and at least one carrier element engaged with the wiper strip to bias the wiper strip into a predetermined configuration. A frame structure is coupled to the at least one carrier element and includes at least two components. One of the components presents an elongated member with a resilient tab, and another component includes a longitudinally extending opening. One of the walls of the opening has a recess shaped similarly to the resilient tab. The elongated member is inserted into the opening until the resilient tab snaps into the opening to interconnect the components. | 06-20-2013 |
20130152327 | WINDSCREEN WIPER DEVICE - A windscreen wiper device for cleaning a windshield of a vehicle is provided. The windscreen wiper device includes a wiper strip of a flexible material for sealing against the windshield to drive rain, snow, ice and other elements away therefrom. The windscreen wiper device also includes at least one carrier element extending between opposite and, at a minimum, downwardly curved end portions and in engagement with the wiper strip to bias it into a predetermined configuration. A frame structure includes a plurality of claws in engagement with the carrier elements between the end portions. The frame structure also includes a pair of end caps that are pivotably coupled to at least an adjacent portion of the frame structure and engage the end portions of the carrier elements. | 06-20-2013 |
20130152326 | WINDSCREEN WIPER DEVICE - A windscreen wiper device for cleaning a windshield of a vehicle is provided. The windscreen wiper device includes a longitudinally extending wiper strip and at least one carrier element in engagement with the wiper strip for operatively supporting and biasing the wiper strip into a predetermined configuration. A base is non-removably coupled to the at least one carrier element and has an opening that extends therethrough to provide access to the at least one carrier element through the base. A connection device is removably secured directly to the at least one carrier element through the opening of the base for attachment with a wiper arm. | 06-20-2013 |
20130152325 | WINDSCREEN WIPER DEVICE - A windscreen wiper device for cleaning a windshield of a vehicle is provided. The windscreen wiper device includes a wiper strip extending in a longitudinal direction between opposite wiper strip ends, and the wiper strip is of a flexible material such as rubber for sealing against the windshield. At least one carrier element is disposed in the grooves and extends in a longitudinal direction between opposite carrier element ends. The windscreen wiper device further includes a frame structure including a plurality of claws in sliding engagement with the carrier element or elements and wherein the frame structure extends longitudinally past the ends of the wiper strip and the carrier element or elements. The frame structure includes a pair of flange portions that restrict the movement of the carrier element and the wiper strip relative to the frame structure. | 06-20-2013 |
20130146017 | One-Piece Piston With Improved Combustion Bowl Rim Region and Method of Manufacture - A piston for an internal combustion engine and method of construction thereof is provided. The piston includes a piston body having an upper combustion surface with a combustion bowl depending from the upper combustion surface. The piston body has a ring belt region configured for receipt of at least one piston ring adjacent the upper combustion surface. A cooling gallery is configured in radial alignment with the ring belt region. An annular combustion bowl rim region extends between the upper combustion surface and the combustion bowl, and a bonded seam extends from the combustion bowl rim region radially outwardly to the cooling gallery. The bonded seam has material properties exhibiting an enhanced ability to withstand the extreme temperature, pressure, stress and highly corrosive and erosive effects of the combustion gases relative to the surrounding material of the piston body. | 06-13-2013 |
20130125332 | WINDSCREEN WIPER DEVICE - A windscreen wiper device is provided including a longitudinally extending wiper strip of a flexible material. At least one carrier of a spring-like material operatively supports and biases the wiper strip into a predetermined configuration. The windscreen wiper device further includes a connecting device for connection with a wiper arm. At least a portion of the wiper strip has a microtextured surface formed directly into the flexible material. The microtextured surface may be on, for example, any one of or any combination of a wiping portion, a channel, a hinge portion and a spoiler portion of the wiper strip. | 05-23-2013 |
20130118438 | COATED PISTON AND A METHOD OF MAKING A COATED PISTON - A piston for a diesel internal combustion engine including a crown portion at least partially formed of steel and having a combustion surface with a combustion bowl formed therein is provided. The combustion bowl presents a combustion bowl rim area, and a coating including at least one of a noble metal and a refractory metal is applied to substantially only the combustion bowl rim area. The coating is preferably applied in the areas of the combustion bowl rim area that are in line with the sprays of diesel fuel when the piston is in a top dead center position during operation of the engine. | 05-16-2013 |
20130113164 | PISTON RING WITH A WEAR-RESISTANT COBALT COATING - A piston ring is provided having a bottom surface, a top surface, an inner diameter surface and at least one running surface. A wear protection coating substantially entirely of cobalt is applied to the at least one running surface to protect the base material of the piston ring. Specifically, during operation of an engine, the more durable cobalt wear resistant coating, not the base material which may be steel or cast iron, is in sliding contact with a cylinder wall. The cobalt coating may be applied through, for example, electrodeposition or plasma spraying. | 05-09-2013 |
20130111729 | RADIAL SHAFT SEAL, RADIAL SHAFT SEAL ASSEMBLY AND METHOD OF INSTALLATION - A radial shaft seal, method of installation thereof, and seal assembly are provided. The seal includes a mounting portion and a seal lip having a sealing surface extending between an oil side end and a free air side end. An annular bridge extends from the oil side end to the mounting portion in radially overlying relation with the seal lip. An annular installation lip extends from the free air side end toward an air side of the seal. The installation lip has an inner surface spaced radially outwardly from the sealing surface and has an end portion that diverges radially outwardly toward the air side of the seal. The installation lip engages the shaft to promote the seal lip to slide over the shaft without unfolding the seal lip, and then springs radially outwardly from the shaft to remain out of contact with the shaft during use. | 05-09-2013 |
20130087980 | MULTILAYERGASKET WITH SEGMENTED INTEGRAL STOPPER FEATURE - A multilayer metal gasket ( | 04-11-2013 |
20130078878 | MARINE FUEL SYSTEM WITH SPILL CONTROL FEATURE - A spill resistant fuel supply system ( | 03-28-2013 |
20130068094 | Piston, Method of Construction, and Piston Body Portions Thereof - A method of constructing a piston, piston formed thereby, and piston body portions are provided. The method includes providing an upper crown portion at least one annular upper rib depending from the upper combustion wall to a free end having a tapered peak. The method further includes providing a lower crown portion having at least one annular lower rib extending to a free end having a tapered peak. Then, moving the upper crown portion and the lower crown portion toward one another and initiating contact between the upper crown portion and the lower crown portion at their respective tapered peaks. Then, continuing moving the upper crown and the lower crown further toward one another after making initial contact at their respective tapered peaks and forming a friction weld joint between the free ends of the at least one upper rib and the at least one lower rib free end. | 03-21-2013 |
20130046436 | ELECTRIC FUEL PUMP TESTER AND METHOD - The system and method for determining the operational condition of an electric fuel pump ( | 02-21-2013 |
20120280457 | HYDRODYNAMIC SEAL WITH INCREASED FLEXIBILITY SEALING ELEMENT - A hydrodynamic shaft seal assembly includes a PTFE seal member having outer and inner sections. The outer section is affixed to an annular carrier. The inner section is free and includes at least one hydrodynamic groove in direct running contact with a rotating shaft or wear sleeve. A mid-portion of the seal member is formed between the inner and outer sections. The mid-portion is thinned and includes one or more annular undulations formed therein to improve flexibility of the inner section relative to the outer section. The seal assembly may include one or more excluder features. A rubber casing is molded about portions of the carrier. Preferably, one or more annular undulations are formed in a coining operation during the rubber molding process. | 11-08-2012 |
20120261889 | MULTILAYER METAL GASKET WITH BEAD ON STOPPER - A multilayer metal gasket ( | 10-18-2012 |
20120180765 | DIESEL FUEL SYSTEM WITH ADVANCED PRIMING - This invention relates to an aerating device for a fuel system, and in particular, to an aerating device for a fuel system supplying fuel to an engine from a fuel tank. The invention includes, for example, a solenoid valve accessing a flow path to the fuel tank, and a control unit opening a closing the solenoid valve, such that opening of the solenoid valve permits fuel and air to flow back through the flow path to the fuel tank and naturally separate. | 07-19-2012 |
20120180743 | CORONA IGNITER WITH MAGNETIC SCREENING - The invention relates to a corona ignitor device configured to be fixed within a combustion chamber, including a housing extending between an upper end and a lower end of the ignitor device. Inductor windings are received in the housing between the upper and lower ends, and a magnetic shield located between the housing and the inductor windings prevent magnetic flux from emanating out of the ignitor device. | 07-19-2012 |
20120103284 | THERMOELECTRIC COOLED PUMP - In invention relates to an engine cooling system in which the supply of fuel is cooled to prevent fuel vapors by cooling the fuel pump. The cooling system uses a thermoelectric material that, either entirely or partially, surrounds the fuel pump, is the housing of the fuel pump and/or is internal to the fuel pump. | 05-03-2012 |
20120068416 | DYNAMIC RADIAL SHAFT SEAL ASSEMBLY WITH COMBINATION DUST EXCLUSION THRUST PAD - A dynamic radial shaft seal assembly includes an inner wear sleeve having a cylindrical inner wall with a bore sized for receipt about a shaft and an outer running surface. The inner wear sleeve has a flange extending radially outwardly from the running surface. The assembly further includes an outer case having cylindrical outer wall configured for receipt in a housing and a rim extending radially inwardly from the outer wall. An elastomeric body is attached to the rim. The elastomeric body includes a main seal lip configured to engage the outer running surface of the inner wear sleeve and a plurality of thrust pads extending axially from the rim for engagement with the flange. The thrust pads are spaced circumferentially from one another by gaps. The elastomeric body further includes a first dust exclusion lip extending axially from the leg and bridging the gaps. | 03-22-2012 |
20110304419 | IGNITION COIL WITH ENERGY STORAGE AND TRANSFORMATION - This invention is directed to a device for energy storage and transformation that allows an increased level of energy storable in an ignition coil, using a coil that has a permanent magnet inside of a primary magnetic core, with a second magnetic core that closes the magnetic path of the primary magnetic core. | 12-15-2011 |
20110204580 | MULTILAYER GASKET WITH LABYRINTH STOPPER - A multilayer metal gasket ( | 08-25-2011 |
20110168138 | VAPOR SEPARATOR WITH INTEGRAL LOW PRESSURE LIFT PUMP - A system for supplying fuel under pressure to an internal combustion engine, and to control fuel delivery to a fuel injection system in an internal combustion engine having a low pressure pump formed integrally as at least part of a main housing of a vapor separator assembly. The low pressure pump lifts fuel into a cavity of a reservoir, which is drawn from a high pressure pump into the internal combustion engine. Due to the integrated nature of the low pressure pump, leak paths and assembly costs are reduced. | 07-14-2011 |
20110162448 | FUEL SYSTEM ELECTRO-STATIC POTENTIAL DIFFERENTIAL LEVEL SENSOR ELEMENT AND HARDWARE/SOFTWARE CONFIGURATION - This invention relates to a sensor element in a fuel system, and in particular, to an electro-static potential differential level sensor element for measuring fuel levels and fuel type in a fuel system. A sensor element includes two electrode plates mounted on a dielectric material and secured to a shield plate. The sensor element is extruded to form a three dimensional sensor element, such as a spiral coil, that has an increased capacitance detection ability to measure fuel type and level. | 07-07-2011 |
20110135381 | CONCENTRIC KNURL BALL JOINT - A replacement ball joint assembly ( | 06-09-2011 |
20110132469 | SNAP ASSEMBLY DECOUPLED FLOAT VAPOR VENT APPARATUS - This invention relates generally to a vapor vent system for an internal combustion engine such as an outboard marine fuel injected engine. The vapor vent system includes a snap assembly decoupled float vapor vent in order to vent vapors from the vapor separator. The snap assembly design reduces costs, vibration and assembly requirements. | 06-09-2011 |
20110076501 | SUBSTRATE AND RUBBER COMPOSITION AND METHOD OF MAKING THE COMPOSITION - This invention provides a product comprised of a substrate with a rubber composition attached to the substrate by at least one interlayer of a polysilsesquioxane composition having phosphate cross-linkages. The at least one polysilsesquioxane layer having phosphate cross-linkages is produced from a mixture of a silane coupling agent and a phosphatizing reagent. | 03-31-2011 |
20110069505 | LIGHT ASSEMBLY FOR A VEHICLE - The invention provides a light assembly to enable various light functions, such as braking lights, tail lights, license plate lights, flashers, etc., using LEDs that consume low power and have a long service life. The LEDs are located on a single, two-sided printed circuit board (PCB), which reduces the assembly costs and the size of tail light, as well as the complexity of assembly. | 03-24-2011 |
20110005020 | MULTIFUNCTION WIPER BLADE CONNECTOR AND ASSEMBLY - A universal connector ( | 01-13-2011 |
20100282198 | CORONA IGNITION WITH SELF-TUNING POWER AMPLIFIER - A power amplifier circuit that has an inductor and capacitor connected to one end of the output winding of an RF transformer. The other end of the output winding is connected to a resistor that in turn is connected to ground. The transformer has two primary windings. Both primary windings have one end connected to a variable DC voltage supply. The other end of each primary winding is attached to a switch, such as a MOSFET. All three windings are wound around a core. Current flowing from the DC voltage supply to the switches causes a magnetic flux in the core. A voltage is generated on the secondary winding resistor. This voltage is fed back to the switches, controlling on and off timing. In this way the need to measure and record natural frequency is eliminated. | 11-11-2010 |
20100282197 | CORONA TIP INSULATOR - This invention relates to a corona discharge ignitor used to ignite air/fuel mixtures in automotive applications and the like. To suppress an arc from forming when a voltage is applied to the ignitor, the corona discharge ignitor has various shapes and configurations, such as angular depressions or grooves, at the tip of the insulator. The shape and configuration of the tip provides a smaller radius which creates a more intensified electric field and provides better combustion. | 11-11-2010 |
20100258064 | PISTON WITH CROWN COOLING NOZZLE | 10-14-2010 |
20100207334 | MULTI-LAYERED COMPOSITE GASKET - A multi-layered composite gasket ( | 08-19-2010 |
20080204032 | Electrical connector Integrity Tester - This invention provides an electric fuel pump tester that allows a technician to simulate the real-life operation of the electrical system of the vehicle, i.e., when the fuel pump is installed. The present invention provides a tester that includes a load that is similar to that of an installed fuel pump. In this manner, a technician may monitor simulated real-life operation of the vehicle's electrical system. | 08-28-2008 |