Patents by Inventor Schaeffler Technologies AG & Co. KG
Schaeffler Technologies AG & Co. KG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20130150168Abstract: A torsional vibration damper for operation in an oil bath comprising an input flange for connecting to a drive motor, an output flange for connecting to a transmission, and a bow spring for the torsionally elastic coupling of the input flange to the output flange, where the bow spring is in contact radially on the outside with an encircling holding device that is formed on one of the flanges. At the same time, the holding device has an opening in the area of the bow spring, in order to enable a flow of oil through an area of contact of the bow spring with the holding device.Type: ApplicationFiled: November 30, 2012Publication date: June 13, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & CO. KG
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Publication number: 20130150169Abstract: Centrifugal pendulum device including pendulum masses arranged on axial sides of a pendulum mass support rotatable about an axis of rotation to form a pendulum mass pair. To form the mass pair, the masses are fastened to each other by means of a fastener passing through a cutout in the mass support. The mass pair is pivotable relative to the mass support due to a rolling element arranged to roll in a recess of the mass support and of the mass. In a section axially covering the recess of the mass support, the rolling element has a first outer diameter. In a section axially covering the recess of the pendulum mass, the rolling element has a second outer diameter. The rolling element further comprises a section axially located between the first and second diameters and has a third diameter, which is smaller than or equal to the first outer diameter.Type: ApplicationFiled: February 11, 2013Publication date: June 13, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130139640Abstract: A follower member (1) for a valve train of an internal combustion engine, the follower member (1) having a roller (3) mounted on a pin (2) for a running contact against a periodic stroke producer, the roller (3) being mounted with an inner peripheral surface (4) on an intermediate ring (5) extending directly on the pin (2) and forming, together with said the (2), an intermediate sliding bearing (6) situated between the intermediate ring (5) and the pin (2), and the intermediate ring (5) protruding beyond two front ends (7) of the roller (3). The intermediate ring (5) has a clearly higher surface hardness than the pin (2).Type: ApplicationFiled: November 8, 2012Publication date: June 6, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: SCHAEFFLER TECHNOLOGIES AG & CO. KG
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Publication number: 20130143711Abstract: A planetary roller gear drive with a spindle nut (1) that is arranged on a threaded spindle (2) and with planets (3) that are arranged distributed around the periphery and are in rolling engagement with the spindle nut (1) and the threaded spindle (2). The planets (3) revolve on a planetary orbit (P) that is arranged perpendicular to the spindle axis and the planets (3) are each divided into multiple planet parts (4) arranged one behind the other in the axial direction.Type: ApplicationFiled: November 30, 2012Publication date: June 6, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130143712Abstract: Planetary roller gear drive with a spindle nut (2) that is arranged on a threaded spindle (1) and is divided into nut parts (6, 7) that can be adjusted relative to each other in the axial direction, and with a plurality of planets (3) that are arranged distributed around a periphery and are in roller engagement with the spindle nut (2) and the threaded spindle (1). An adjustment part (20) set in the axial direction against the one nut part (6) that can be adjusted in the axial direction is provided and the one nut part (6) that can be adjusted in the axial direction is arranged between this adjustment part and the other nut part (7).Type: ApplicationFiled: November 27, 2012Publication date: June 6, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130133476Abstract: A centrifugal force pendulum device having pendulum masses that are arranged axially on both sides of a pendulum mass carrier which is rotatable around an axis of rotation and form a pendulum mass pair, the pendulum mass pair being pivotable to a limited degree relative to the pendulum mass carrier along an arc-shaped oscillation path with the aid of at least two rolling elements that are able to roll in a single cutout or in different cutouts in the pendulum mass carrier, the oscillation path having a rotation axis that is stationary relative to the pendulum mass carrier and that is located at a radial distance from the pendulum mass.Type: ApplicationFiled: December 20, 2012Publication date: May 30, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130129269Abstract: A double-row self-aligning roller bearing (1) with a plurality of roller bodies (4) rolling about a bearing axis (14) on a race of an inner ring in two bearing rows (15, 16). A pressure angle (?) of a first bearing row (15) is different from a pressure angle (?) of a second bearing row (16) and/or a roller length (L1) of roller bodies (4) of a first bearing row (15) is different from a roller length (L2) of roller bodies (4) of a second bearing row (16). The inner ring (3) is divided peripherally and is formed from at least two sub-rings (3?, 3?).Type: ApplicationFiled: November 9, 2012Publication date: May 23, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130118677Abstract: The invention relates to a method for gluing a friction lining to a support by means of adhesive that develops its full adhesive effect under the effect of pressure and/or temperature. The invention is characterized in that the friction lining and the support are pressed together along with the adhesive before the adhesive develops its full adhesive effect in order to glue the friction lining to the support.Type: ApplicationFiled: December 20, 2012Publication date: May 16, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: SCHAEFFLER TECHNOLOGIES AG & CO. KG
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Publication number: 20130118851Abstract: A cage for a one-way clutch that is made of individual interlocking links. The cage links forms a continuous chain which is arranged on a shaft and housed within an associated outer ring. The cage links have connecting members and receiving grooves. The connecting members of one cage link are snapped into the receiving grooves of another cage link to form the continuous chain for different diameters. Sprags and/or load bearing rollers, along with spring elements, are arranged within each cage link.Type: ApplicationFiled: November 15, 2012Publication date: May 16, 2013Applicant: Schaeffler Technologies AG & Co. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130112162Abstract: A camshaft adjuster (1) is disclosed that has material openings (5) in the vanes (4) of the drive element (2), with these openings being divided into two sub-spaces (12, 13), wherein one sub-space (12) is provided for the penetration of a connecting element (6) and the other sub-space (13) does not allow the penetration of a connecting element (6).Type: ApplicationFiled: November 5, 2012Publication date: May 9, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130116079Abstract: A transmission for operating an auxiliary assembly in a drivetrain of a hybrid vehicle, includes a first sun gear rotatable about a main axis on a drive input side of the transmission, a first planet gear in engagement with the first sun gear on the drive input side of the transmission, a second planet gear on a drive output side of the transmission and mounted with the first planet gear on a common shaft, and a second sun gear in engagement with the second planet gear on the drive output side of the transmission, for coupling to the auxiliary assembly. The first planet gear is connected to the shaft by a first freewheel, which generates a rotationally conjoint connection when the first planet gear overruns in a first direction of rotation, and generates a freewheeling connection when the first planet gear overruns in a second, opposite direction of rotation.Type: ApplicationFiled: November 2, 2012Publication date: May 9, 2013Applicant: Schaeffler Technologies AG & Co. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130108199Abstract: A bearing and housing assembly for irregular shaped housings including a circular extension, retention and distortion relief features that can mitigate shape distortion of bearings.Type: ApplicationFiled: October 29, 2012Publication date: May 2, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130098729Abstract: A starting device for a vehicle includes a spring support ring and a coiled clutch. The coiled clutch has a first end frictionally engaged with the spring support ring, a center portion connected to the first end and arranged for compressive engagement with an outer shell of a torque converter, and a second end connected to the center portion and arranged for rotational displacement in a first direction relative to the first end to compressively engage the center portion with the outer shell. In some example embodiments, the spring support ring encircles the coiled clutch. In some example embodiments, the spring support ring includes a circumferential groove for receiving the first end. In an example embodiment, a free diameter of the first end is greater than a free diameter of the center portion.Type: ApplicationFiled: October 12, 2012Publication date: April 25, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130092499Abstract: A friction plate, including: a ring-shaped piece of friction material with an inner circumference, and first and second surfaces facing in first and second opposite axial directions, respectively; a first core plate with a first ring-shaped body, a first plurality of protrusions extending radially outward from the first ring-shaped body and imbedded in the first surface, and a second plurality of protrusions extending radially inward from the first ring-shaped body; and a second core plate with a second ring-shaped body, a third plurality of protrusions extending radially outward from the second ring-shaped body and embedded in the second surface, and a fourth plurality of protrusions extending radially inward from the second ring-shaped body. The first and second bodies are at least partially disposed radially inward of the inner circumference. The second and fourth pluralities of protrusions are for engagement with a rotatable element.Type: ApplicationFiled: October 9, 2012Publication date: April 18, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130094901Abstract: A plate assembly, including: a first plate having a circumference and a plurality of indentations extending radially inward or outward from the circumference; and a second plate, at least partially aligned with the first plate in a radial direction, having a plurality of protrusions at least partly disposed within the plurality of indentations and compressively engaged with the first plate such that the second plate is fixed with respect to the first plate in axial, radial, and circumferential directions.Type: ApplicationFiled: October 9, 2012Publication date: April 18, 2013Inventor: SCHAEFFLER TECHNOLOGIES AG & CO. KG
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Publication number: 20130092497Abstract: A friction clutch device, in particular for a drive train of a motor vehicle which is driven by internal, combustion engine, having a rotational axis, a housing, at least one pressure plate which can be displaced in the direction of the rotational axis relative to the housing for an actuation, and a spring device for loading the at least one pressure plate, in which friction clutch device the spring device has a first element for generating a pressure force which acts on the at least one pressure plate, and a second element which is separate structurally from the first element for transmitting an actuating force, in order to improve the friction clutch structurally and/or functionally.Type: ApplicationFiled: October 18, 2012Publication date: April 18, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: SCHAEFFLER TECHNOLOGIES AG & CO. KG
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Publication number: 20130075222Abstract: A check valve assembly for a clutch, including: an annular-shaped ring element including a first portion with: a first channel wholly enclosed by the first portion; a first through-bore between a radially inner surface of the first portion and the first channel; and a second through-bore between a radially outer surface of the first portion and the first channel. The assembly includes a first pressure regulating assembly at least partially disposed within the first channel and including: a spool axially displaceable within the first channel and including a space enclosed by the spool; a first ball disposed within the space and the first channel; and a first spring engaged with the spool. The spool is arranged to axially displace in response to hydraulic pressure at the first through-bore and axial force applied by the first spring to displace the first ball to block or unblock flow between the first and second through-bores.Type: ApplicationFiled: September 24, 2012Publication date: March 28, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Schaeffler Technologies AG & Co. KG
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Publication number: 20130066530Abstract: A method for adapting a contact point of a clutch in a drivetrain of a motor vehicle, wherein the clutch is moved by an actuator and the influence of the movement of the clutch on a rotating electric motor is evaluated. A method that is simple and quick to carry out, a clutch torque and/or an actuator path close to the contact point is obtained from a characteristic curve of the clutch representing the relationship of an actuator path to a clutch torque and is set at the clutch. Subsequently the associated actuator path and/or the clutch torque is measured from the clutch influenced by the actively operated electric motor, where the clutch torque read from the characteristic curve and the actuator path measured at the clutch and/or the actuator path obtained from the characteristic curve and the measured clutch torque form the current contact point position of the clutch.Type: ApplicationFiled: October 25, 2012Publication date: March 14, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: SCHAEFFLER TECHNOLOGIES AG & CO. KG
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Publication number: 20130064699Abstract: A hydraulic transport device for transporting a hydraulic medium. The device includes at least one externally toothed gear pump that is driven by an electric motor, and a control device attached to the pump. A passive rotational speed detection element is arranged in the pump and interacts with an active rotational speed detection element that is arranged in the control device to detect the rotational speed of the pump shaft.Type: ApplicationFiled: October 30, 2012Publication date: March 14, 2013Applicants: Conti Temic Microelectronic GmbH, Schaeffler Technologies AG & Co. KGInventors: Schaeffler Technologies AG & Co. KG, Conti Temic Microelectronic GmbH
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Publication number: 20130042990Abstract: A method for producing a shaft with a roller bearing. The roller bearing has an inner ring with an outer surface for rolling elements to roll on. The inner ring of the roller bearing is embedded, at least partially, into the shaft, which has been produced using primary forming methods, and the outer surface of the inner ring is exposed, at least in a part, in the axial direction and over its entire circumference.Type: ApplicationFiled: October 23, 2012Publication date: February 21, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: SCHAEFFLER TECHNOLOGIES AG & CO. KG