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Litens Automotive Partnership patents


Recent patent applications related to Litens Automotive Partnership. Litens Automotive Partnership is listed as an Agent/Assignee. Note: Litens Automotive Partnership may have other listings under different names/spellings. We're not affiliated with Litens Automotive Partnership, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Litens Automotive Partnership-related inventors


Isolator that includes first and second isolation spring arrangement in series

In an aspect, an isolator is provided for isolating a device driven by an engine via an endless drive member. The isolator includes a shaft adapter that is connectable with a shaft of the device and that defines an isolator axis, a rotary drive member that is engageable with the endless drive member, a first isolation spring arrangement that includes a first torsion spring, and that is positioned to transfer torque between the shaft adapter and an intermediate drive member, and a second isolation spring arrangement that is positioned to transfer torque between the intermediate member and the rotary drive member.. ... Litens Automotive Partnership

Accessory drive tensioner with improved arrangement of tensioner arm and biasing member

In an aspect a tensioner is provided for a belt drive and includes a base, an arm with a pulley pivotally mounted to the base, and a biasing member. The pulley is rotatably mounted to the arm. ... Litens Automotive Partnership

Decoupler with tuned damping and methods associated therewith

In an aspect, the invention relates to a decoupler that is positionable between a shaft (eg. For an alternator) and an endless power transmitting element (eg. ... Litens Automotive Partnership

Isolator with double acting spring system with reduced noise

An isolator is provided for use with an engine and in particular an engine that is assisted or started by mgu (motor-generator unit) or a motor through an endless drive member. It comprises a double acting spring system for isolating crankshaft pulley from torsion vibration at the crankshaft, and in extreme conditions, such as during engine startup and accelerations or decelerations of the engine crankshaft relative to the pulley and when isolator operates in an “engine-driven” mode with the engine crankshaft is driven by the belt.. ... Litens Automotive Partnership

Endless drie arrangement for hybrid vehicle using two-armed tensioner with non-orbiting arms

In an aspect, a tensioner is provided for tensioning a belt and includes first and second tensioner arms having first and second pulleys respectively. The first and second pulleys are configured for engagement with first and second belt spans, and are biased in first and second free arm directions respectively. ... Litens Automotive Partnership

Multi-stage impeller assembly for pump

In an aspect, there is provided a pump impeller assembly that includes a first impeller portion arranged to drive a fluid through a fluid conduit, a second impeller portion movable between a more-rotationally engaged position in which the second impeller portion has a first amount of rotational engagement with the first impeller portion, and a less-rotationally engaged position in which the second impeller portion has a second amount of rotational engagement with the first impeller portion that is less than the first amount of rotational engagement, and an actuator operatively connected to the second impeller portion and configured to drive movement of the second impeller portion between the more-rotationally engaged position and the less-rotationally engaged position based on a fluid property. . ... Litens Automotive Partnership

Isolator for use with engine that is assisted or started by an mgu or a motor through an endless drive member

An isolator for isolating a device driven by an engine via an endless drive member is described. The isolator comprises a shaft adapter that is connectable with a shaft of the device, defining a shaft adapter axis, a rotary drive member that is rotatable relative to the shaft adapter and has an endless drive member engagement surface that is engageable with the endless drive member, and an isolation spring arrangement positioned to transfer torque between the shaft adapter and the rotary drive member. ... Litens Automotive Partnership

Attachment method for pulley device and drive shaft and assembly formed thereby

In an aspect, an assembly is provided and includes a pulley device and a drive shaft. The pulley device includes a pulley and has a shaft adapter. ... Litens Automotive Partnership

Endless drive arrangement and improved two-armed tensioning system for same

In an aspect, a tensioner is provided for tensioning a belt and includes first and second tensioner arms having first and second pulleys respectively. The first and second pulleys are configured for engagement with first and second belt spans, and are biased in first and second free arm directions respectively. ... Litens Automotive Partnership

Endless drive arrangement with tensioning system and isolation device

In an aspect, a system is provided for controlling tension in an endless drive member, and including an isolation device and a tensioning system. The isolation device is positioned on an accessory drive shaft and has a pulley and a biasing member to transfer force from the pulley to the accessory drive shaft. ... Litens Automotive Partnership

Decoupler clutch engagement surface with selected surface finish

In an aspect, the invention is directed to a clutched device that includes a clutch input member, a clutch output member, and a wrap spring clutch. The wrap spring clutch is engageable with the clutch input member and the clutch output member and has a radially outer surface and a radially inner surface. ... Litens Automotive Partnership

Decoupler with concentric clutching members

In an aspect, a decoupler includes a hub, a pulley, a torsion spring, a first spring driver fixed to the pulley, and having a first stop feature for the spring; a second spring driver mounted about the hub and not fixed to the pulley, and having a second stop feature for the spring, a driving clutch shaft mounted connected to the second spring driver, a driven clutch shaft mounted concentrically with the driving clutch shaft and drivingly connected to the hub, a one-way wrap spring clutch mounted about the hub and disposed to interconnect the driving and driven clutch shafts, and configured to transfer torque in a first direction between the driving and driven clutch shafts, and an axial biasing member acting between one of (i) the pulley and the driving clutch shaft and (ii) the hub and driven clutch shaft, to urge the driving and driven clutch shafts together.. . ... Litens Automotive Partnership

Proportionally damped power transfer device using torsion spring force

In an aspect, a power transfer device, such as a decoupler, is provided for transferring torque between a shaft and a belt. The device includes: a hub configured to 5 couple to the shaft, a pulley rotatably coupled to the hub that includes a power transmitting surface configured to engage the belt, an isolation spring to transfer a rotational load from one of the pulley and the hub to the other of the pulley and the hub, optionally a one-way clutch to permit overrunning of one of the pulley and the hub relative to the other of the pulley and the hub in a first direction, and a damping member 10 positioned to be driven into frictional engagement with a friction surface by a force from the isolation spring acting on the damping member that varies based on the rotational load transferred by the isolation spring.. ... Litens Automotive Partnership

Tensioner with hydraulic locking feature

In an aspect, a tensioner includes a pulley, a main piston chamber, a reservoir, and first and second fluid passageways connecting the main piston chamber and reservoir, a main piston that is movable in the main piston chamber, a check valve, a control valve, and a movable reservoir member. The check valve prevents flow in one direction through the second passageway and permits flow in an opposing direction through the second passageway. ... Litens Automotive Partnership

06/22/17 / #20170175857

Orbital tensioner assembly

In an aspect, a tensioner is provided for tensioning an endless drive member that is engaged with a rotary drive member on a shaft of a motive device. The tensioner includes a base that is mountable to the motive device, a ring that is rotatably supported by the base in surrounding relationship with the shaft of the motive device and which is rotatable about a ring axis, a tensioner arm pivotally mounted to the ring for pivotal movement about an arm pivot axis, and first and second tensioner pulleys. ... Litens Automotive Partnership

05/18/17 / #20170138445

Endless drive arrangement with active idler

In an aspect, an endless drive arrangement for an engine is provided and includes a crankshaft pulley that is drivable by a crankshaft of the engine, a secondary motive device that is operable to drive a secondary motive device pulley; an endless drive member that is engaged with the crankshaft pulley and the secondary motive device pulley, wherein the endless drive arrangement is operable in a first mode in which tension in a first span of the endless drive member is lower tension than a second span of the endless drive member and in a second mode in which tension in the second span of the endless drive member is lower than tension in the first span of the endless drive member; first and second tensioners may move as needed to maintain tension in first and second spans of the belt.. . ... Litens Automotive Partnership

04/13/17 / #20170102040

Clutch assembly

In an aspect, a method is provided for controlling a clutch assembly having first and second rotatable clutch members. The method includes providing a wrap spring clutch having first and second ends. ... Litens Automotive Partnership

03/16/17 / #20170074375

Endless drive arrangement and improved two-armed tensioning system for same

In an aspect, a tensioner is provided for tensioning a belt and includes first and second tensioner arms having first and second pulleys respectively. The first and second pulleys are configured for engagement with first and second belt spans, and are biased in first and second free arm directions respectively. ... Litens Automotive Partnership

02/16/17 / #20170045091

Overrunning decoupler

A decoupler having an input member, an output member and a combination one-way clutch and torsional isolator that couples the input and output members. The combination one-way clutch and torsional isolator includes a single helical coil spring. ... Litens Automotive Partnership








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