Entries |
Document | Title | Date |
20090013682 | Torque converter with centered turbine - A torque converter for connecting to an input shaft of a transmission including a housing, a turbine housed in the housing, a turbine hub connected to the turbine, the input shaft of the transmission being located within the turbine hub, a piston plate connected to the housing so as to be radially fixed with respect to the housing, and a bushing connected to the piston plate and the turbine hub, the piston plate via the bushing and the turbine hub centering the turbine and the input shaft of the transmission. The bushing may have a radial flange. | 01-15-2009 |
20090013683 | Torque converter with multi-segment core ring - A torque converter includes a plurality of blades and a core ring supporting the plurality of blades. The core ring includes at least two segments, each segment having two circumferential ends. A core ring and method are also provided. | 01-15-2009 |
20090071138 | Bladed shell or stator shell for a hydrodynamic torque converter, method for producing a stator shell of said type, and hydrodynamic torque converter having a stator shell of said type - A stator shell for a hydrodynamic torque converter ( | 03-19-2009 |
20090113885 | Integrated torque converters and assemblies - More efficient, economic vehicular torque converters comprising novel integrated one-piece turbine/impeller blade-core assemblies with innovative fluid coupling means for greater torque capacities. | 05-07-2009 |
20090241532 | Drain structure of torque converter - A drain structure where oil sucked from the oil pan by the oil pump is supplied to the torque converter and circulates therein, and the oil is drained into the transmission case through a drain oil passage; and the drain oil passage passes through a gap between the torque converter and the oil pump, is guided to an upper part facing a fitting surface between the oil pump and the transmission case, and is further guided from the upper part to a part under the oil pump and opens above an oil level in the transmission case, and drain oil from the drain oil passage is discharged toward the oil pan. | 10-01-2009 |
20090282821 | HYDRODYNAMIC COMPONENT AND FORCE TRANSMISSION DEVICE WITH A HYDRODYNAMIC COMPONENT - The invention relates to a hydrodynamic component, comprising at least two bladed shells forming a torus shaped operating cavity in combination, each comprising a blade array supported by a dish, wherein at least one of the bladed shells comprises no support of the blades through the dish in the radially inner end portion of the particular blades. The invention is characterized in that flow control means are provided in the radially inner end portion of the torus shaped operating cavity in the portion where the dish is missing. The invention furthermore relates to a force transmission device with a hydrodynamic component. | 11-19-2009 |
20090308063 | HYDRODYNAMIC COUPLING - A hydrodynamic coupling has an impeller and a turbine wheel that together form a toroidal working chamber. Viewed as an axial section through the hydrodynamic coupling the working chamber has a circular or essentially circular cross-section with a convexity in the axial direction on the circumference in the radially outer area of said turbine wheel and/or in the radially inner area of said impeller. | 12-17-2009 |
20100058750 | THRUST ROLLER BEARING AND TORQUE CONVERTER - A thrust roller bearing includes a plurality of rollers, a retainer, an annular first track ring having a track surface, an outer periphery flange part, and a first claw part, and an annular second track ring having a track surface, an inner periphery flange part, and a second claw part. Bearing internal gaps to allow the eccentric rotation of the first track ring and the second track ring are provided between the outer periphery flange part and an outer edge part of the retainer, and between the inner periphery flange part and an inner edge part of the retainer. In addition, at least one of the first and second claw parts is a projection part formed by a bending process. Furthermore, an edge part of the retainer opposed to the projection part has a first slope part formed at a corner part on the side opposed to the track surface, and a second slope part having a radial length relatively shorter than that of the first slope part, and formed at a corner part on the opposite side in a thickness direction. | 03-11-2010 |
20110000204 | HYDRAULIC TORQUE CONVERTER FOR AUTOMOTIVE VEHICLE - A hydraulic torque converter for a vehicle, that comprises an impeller (I), a turbine (T) and a reactor (R) with a coaxial axis (A), and respectively fitted with impeller ( | 01-06-2011 |
20110271668 | Torque Converter - The present invention relates to torque converters. In particular, the instant invention provides improved torque converters having an increase in capacity and an increase in efficiency. | 11-10-2011 |
20110289909 | TORQUE CONVERTER WITH ASYMMETRIC BLADE SPACING - A blade assembly for a torque converter including a plurality of blades installed between a shell and a core ring, where the blades are in an arrangement having asymmetrical spacing between the blades for reducing the noise generated by operation of the torque converter. | 12-01-2011 |
20120011838 | HUB SEAL - A hub seal assembly includes a hub having a groove with a first radial wall, a first floating seal including a second radial wall, and a resilient element. The first floating seal is axially displaced by the resilient element so that the second radial wall contacts the first radial wall. In an example embodiment, the first floating seal includes polytetrafluoroethylene. In some example embodiments, the resilient element is an o-ring. In an example embodiment, the first floating seal includes a circumferential groove or a notch and the o-ring is at least partially disposed in the groove or the notch. | 01-19-2012 |
20120017578 | Power transfer system - Embodiments relate to systems and methods for transferring power from a vehicle drive train to a hydraulic pump. One aspect of the present invention provides system including a torque converter; a torque converter hub connected to at least the torque converter; and a synchronous drive system coupled to at least the torque converter. | 01-26-2012 |
20120137669 | TORQUE CONVERTER DRIVE CONNECTION - A drive connection for fixing a torque converter to an engine crankshaft includes a crankshaft, a torque converter, and a threaded fastener. The crankshaft includes an end face, a rotational axis, and a threaded hole aligned with the axis. The torque converter includes a rotational axis and a cover having an aperture aligned with the axis. The threaded fastener extends through the aperture and is engaged with the threaded hole to secure the cover to the end face. In an example embodiment, the drive connection includes a sealing element disposed between the fastener and the cover. The sealing element may be a washer or an o-ring. | 06-07-2012 |
20120151907 | FLANGED IMPELLER HUB - An impeller hub including a tube portion extending along an axis, the tube portion having an inner diameter and an outer diameter, wherein a longitudinal bore forms the inner diameter, a flange extending radially out from the tube portion, wherein the longitudinal bore through the tube portion and the flange are formed by a cold forming process. | 06-21-2012 |
20120210706 | ANGLED MOUNTING PLATE FOR TORQUE CONVERTER ASSEMBLY - A torque converter, including a front cover with an exterior surface at least partially facing in a direction parallel to an axis of rotation for the torque converter, and a portion at a furthest radial distance from the axis of rotation. The torque converter also includes: at least one angled mounting plate fixedly connected to the exterior surface of the front cover and including a portion disposed at an acute angle with respect to the axis of rotation; and at least one threaded fastener with: a first end fixedly connected to the portion of the at least one angled mounting plate; and a second end, opposite the first end, disposed further in the direction than the first end, disposed radially outward from the first end, and at a radial distance from the axis of ration less than the furthest radial distance for the front cover. | 08-23-2012 |
20120266589 | HARDENED TURBINE PLATE - A torque converter, including: a damper assembly including a cover plate including a first plurality of openings, a flange, and at least one spring in contact with the flange and the cover plate; a turbine including at least one first blade and a shell including a portion disposed radially inward of the at least one blade, and a second plurality of openings in the portion; a turbine plate with a third plurality of openings; and a plurality of fasteners passing through the first, second, and third pluralities of openings. The plurality of fasteners: fixedly secure the cover plate, the portion of the turbine shell, and the turbine plate to one another; or fixed securing the portion of the turbine shell to the turbine plate and restricting rotation of the cover plate with respect to the portion of the turbine shell to the turbine plate. | 10-25-2012 |
20130125538 | Torque Transmission Device With Electrical Insulation - A torque transmission device, particularly for a motor vehicle, for the transmission of a torque from a driving unit, particularly from an internal combustion engine, to a driven unit, particularly a transmission, has at least one bearing location which has at least one bearing support acting in axial and/or radial direction, wherein an insulation element preventing a flow of electric current is provided in the region of the at least one bearing location. | 05-23-2013 |
20130186079 | HYDRODYNAMIC MACHINE, ESPECIALLY A HYDRODYNAMIC RETARDER - A hydrodynamic machine has two blade wheels disposed opposite each other and together forming a toroidal working space. The space can be filled with a working medium to transmit torque hydrodynamically, by circulating the working medium in the space, from the first to the second blade wheel. The first blade wheel rotates about an axis of rotation. The second blade wheel rotates about the same axis of rotation in the same rotation direction as the first blade wheel or opposite thereto, or is held stationary. The blades of each blade wheel extend in an arc from a radially inner blade end on a radially inner wall of the working space to a radially outer blade end on a radially outer wall of the working space, and in plan view in the direction of the rotation axis the arc is in the shape of a circular arc on each blade wheel. | 07-25-2013 |
20130247552 | TRANSMISSION CONTROL FLUID DIFFUSER - A transmission includes a high-pressure circuit at least partially filled with transmission fluid at a first pressure, and a low-pressure circuit at least partially filled with transmission fluid at a second pressure, which is lower than the first pressure. A diffuser is in fluid communication with the high-pressure circuit and the low-pressure circuit. The diffuser has an inlet having a first cross-sectional area and receiving transmission fluid from the high-pressure circuit. The diffuser expels transmission fluid to the low-pressure circuit through an outlet having a second cross-sectional area, which is larger than the first cross-sectional area. | 09-26-2013 |
20140033694 | VEHICULAR TORQUE CONVERTER - A vehicular torque converter includes: a pump impeller having a pump covering and vanes disposed within an output-side portion of the pump covering; a turbine impeller having vanes opposed to the pump impeller vanes; a stator impeller; a one-way clutch between the stator impeller and a stationary member; and a lock-up clutch configured to connect the turbine impeller to an inner surface of a wall of said pump covering. The vanes are offset with respect to the one-way clutch toward the output side. The vehicular torque converter further includes: a thrust bearing between the stator impeller and the turbine impeller, the thrust bearing having a sliding surface with respect to the stator impeller, the sliding surface being positioned radially outwardly of the one-way clutch and offset from an end face of each of sprags of the one-way clutch toward the output side. | 02-06-2014 |
20140096514 | DRAIN SYSTEM FOR TORQUE CONVERTER - A drain system for a torque converter may include a hydraulic drain path draining the oil used in the torque converter to the transmission, a hydraulic control path adapted to transmit the oil discharged out of the hydraulic pump to the hydraulic drain path, and a switch valve disposed at the hydraulic drain path, and adapted to operate by pressure of the oil supplied through the hydraulic control path, wherein the switch valve may selectively open/close the hydraulic drain path. | 04-10-2014 |
20140137546 | THRUST WASHER AND TORQUE CONVERTER CONTAINING THE SAME - A thrust washer for a torque converter, the thrust washer having a curved front surface with a plurality of grooves for increasing fluid flow between the inner diameter and the outer diameter of the thrust washer. This increased fluid flow reduces the buildup of back pressure within the torque converter enabling better operation thereof. | 05-22-2014 |
20140137547 | STATOR AND TORQUE CONVERTER CONTAINING THE SAME - The present disclosure relates to a torque converter, and more particularly, to a torque converter containing a stator having blades with non-linear edges and non-ruled surfaces to increase fluid flow within the torque converter and improve the performance thereof. | 05-22-2014 |
20140230422 | Transmission Thrust Washer with Circulation Circuit - An automatic transmission includes: a torque converter; a stator in the torque converter; and a thrust washer adjacent the stator. The thrust washer includes a circulation circuit formed in the washer to facilitate fluid movement from one side of the washer to another side of the washer. | 08-21-2014 |
20140290235 | TORQUE CONVERTER - A torque converter is provided that basically includes a front cover, an impeller, a turbine and a stator. The impeller core includes a plurality of impeller blades and an impeller core. The impeller core has a first protruded portion that protrudes axially from outlet-side end edges of the impeller blades. The turbine includes a turbine core and a plurality of turbine blades disposed in opposition to the impeller blades. The turbine core includes a second protruded portion that protrudes axially from inlet-side end edges of the turbine blades. The second protruded portion is located on an inner peripheral side of the first protruded portion and extends at least to a tip end of the first protruded portion. | 10-02-2014 |
20140305114 | AUTOMATIC TRANSMISSION DEVICE FOR AUTOMOBILE - An automatic transmission device for an automobile includes a torque converter accommodated in a torque converter housing, a stator shaft supporting a stator of the torque converter, a torque converter housing, a stator shaft supporting a stator of the torque converter, a torque converter sleeve provided concentrically with the stator shaft and coupled with an inner periphery side of an impeller shell of the torque converter, a first bearing provided between an inner peripheral surface of the torque converter sleeve and an outer peripheral surface of the stator shaft, and a second bearing provided between an outer peripheral surface of the torque converter sleeve and an inner surface of the torque converter housing. | 10-16-2014 |
20140352290 | TORSIONAL VIBRATION DAMPING DEVICE - A torsional vibration damping device that can ensure a space for allowing a mass body to make reciprocating movements and can improve the vibration damping performance is provided. A torsional vibration damping device in which a mass body is attached to a rotating body by two support pins includes two first hollow portions which are formed in the rotating body at positions corresponding to the respective support pins and into which the respective support pins are inserted, and two second hollow portions which are formed in the mass body at positions opposed to the respective first hollow portions and into which the respective support pins are inserted. Outer sides of inner peripheral edges of the respective first hollow portions in a radial direction of the rotating body serve as guide faces. Inner sides of inner peripheral edges of the respective second hollow portions in the radial direction of the rotating body serve as attachment faces. The guide faces and the attachment faces are formed as recessed curved faces. A distance between centers of curvature of the guide faces is shorter than a distance between centers of curvature of the attachment faces. | 12-04-2014 |
20150040550 | COVER ASSEMBLY FOR A TORQUE CONVERTER INCLUDING DRIVE PLATE HAVING ELASTIC PRELOADING ELEMENT - A cover assembly for a torque converter is also provided. The cover assembly includes a front cover and a drive plate connected to an outer surface of the front cover for coupling to the front cover to an engine crankshaft. The drive plate includes elastic preloading elements pressing against the outer surface of the front cover. A method of forming a cover assembly for a torque converter is also provided. | 02-12-2015 |
20150300473 | HUB ASSEMBLY FOR A TORQUE CONVERTER AND RELATED METHOD - A hub assembly for a torque converter is provided. The hub assembly includes a turbine hub including an inner radial surface, an outer radial surface and a channel for providing fluid from the inner radial surface to the outer radial surface. The turbine hub also includes a first seal and a second seal on the outer radial surface and a plenum groove in the outer radial surface axially between the first seal and the second seal. The channel extends radially into the plenum groove. A method for forming a hub assembly for a torque converter is also provided. | 10-22-2015 |
20150354683 | TORQUE CONVERTER - In a torque convertor including a pump impeller, a turbine runner and a stator, an outer regulation surface facing inwards in a radial direction is provided at a turbine shell on an inward side in the radial direction from a turbine blade, an inner regulation surface that approaches and faces the outer regulation surface from inside in the radial direction is provided at a stator hub, and at least one of the outer regulation surface and the inner regulation surface is formed into a ring shape. Accordingly, movement of the stator along the radial direction at a time of transportation is inhibited and it is made unnecessary to form flange portions at core rings of the pump impeller and the turbine runner. | 12-10-2015 |
20150362053 | POWER TRANSMISSION DEVICE AND LOCK-UP DEVICE FOR TORQUE CONVERTER - The power transmission device transmits power from an engine to a transmission and includes an input-side rotary member, an output-side rotary member, a first elastic member, a float member and a damper device. The input-side rotary member receives the power inputted thereto from the engine. The output-side rotary member outputs the power to the transmission. The first elastic member couples the input-side rotary member and the output-side rotary member to enable relative rotation therebetween. The float member is rotatable relative to the input-side rotary member, the output-side rotary member and the first elastic member and is configured to slide against the first elastic member when rotated. The damper device is mounted to the float member and includes an inertia member that is rotatable relative to the float member. | 12-17-2015 |
20150369069 | STATOR BODY CENTERING FEATURE FOR TORQUE CONVERTER - A stator for a torque converter comprising: (i) an axis of rotation; (ii) a body portion including: a first body circumference; a back wall; at least one centering protrusion extending to a first measured axial distance relative to the back wall; and a second body circumference; (iii) a blade portion including: an outer circumference; and a plurality of blades, arranged for directing fluid flow, extending in a radial direction from the second body circumference to the outer circumference; and (iv) a housing portion, disposed radially inward relative to the body portion, including: a radial wall, disposed at a second measured axial distance relative to the back wall, having a thrust surface; and, wherein the housing portion is arranged for housing a one-way clutch; and, wherein the first axial distance is greater than the second axial distance. | 12-24-2015 |
20150369351 | PUMPING DEVICE - The invention relates to a pumping device for introduction of a fluid into a base layer, in particular into a base layer containing gas, for the production of gas-permeable structures in the base layer. The pumping device is arranged on a transportation vehicle having a separate drive unit, including a pump motor and a pump, whereby a speed/torque converter is arranged between pump and pump motor. A hydrodynamic device, in particular a hydrodynamic converter, is used in place of a transmission for speed/torque conversion. | 12-24-2015 |
20160017969 | SPLIT MOLDED INTEGRATED STATOR - A stator according to the present invention includes a stator hub, a large number of blades radially provided in a projecting manner at regular intervals on an outer periphery of the stator hub, and a stator core formed so as to surround outer ends of the respective blades. The stator is integrated by separately molding a front side stator member and a rear side stator member as two axially split members, respectively, and then joining the front side stator member and the rear side stator member. | 01-21-2016 |
20160109008 | HYDRODYNAMIC STARTING ELEMENT HAVING A PUMP WHEEL WHICH CAN BE ROTATED RELATIVE TO A HOUSING - A hydrodynamic starting element for a drive train of a motor vehicle, having a pump wheel and a turbine wheel, wherein the turbine wheel is arranged on a drive side of the hydrodynamic starting element and the pump wheel is arranged on an output side of the hydrodynamic starting element, wherein a housing is fastened to the turbine wheel and wherein the housing extends from the turbine wheel in the direction of the output side and the housing at least partially encloses the pump wheel in the direction of the output side. | 04-21-2016 |
20160131236 | NECKED IMPELLER SHELL FOR TORQUE CONVERTER - An impeller for a torque converter comprising: an axis of rotation; an impeller shell comprising: a torus portion; a radial wall portion; an elbow portion; an interior portion; and, an axially extending necked portion, extending about the axis of rotation and into the interior portion, having: a first circumferential surface; and, a second circumferential surface. | 05-12-2016 |
20160138692 | POWER TRANSFER DEVICE - A front support includes a second boss portion which extends toward a chain drive mechanism and to which a stator shaft is fixed. The second boss portion is inserted into a tubular portion of an impeller hub through a drive sprocket. An oil passage that communicates with a fluid transmission chamber is defined between the inner peripheral surface of the tubular portion and the outer peripheral surface of the stator shaft. A seal member that restricts an inflow of working oil from the oil passage is interposed between the tubular portion and the second boss portion. A shaft-side oil groove and a recessed portion which communicate with an in-case oil passage formed in the front support and the oil passage are formed between the second boss portion and the stator shaft. | 05-19-2016 |
20160195157 | DAMPER DEVICE AND STARTING DEVICE | 07-07-2016 |