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Dana Limited patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Dana Limited-related inventors


Planetary powertrain configurations with a ball variator continuously variable transmission used as a powersplit

Devices and methods are provided herein for the transmission of power in motor vehicles. Power is transmitted in a smoother and more efficient manner by splitting torque into two or more torque paths. ... Dana Limited

Method for vehicle control during off-road operation using a ball planetary type continuously variable transmission

Provided herein is a method and a control system for a multiple-mode continuously variable transmission having a ball planetary variator. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

Method for control of a ball planetary type continuously variable transmission during engine braking

Provided herein is a method and control system for a multiple-mode continuously variable transmission having a ball planetary variator. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

Method for vehicle launch control using a ball planetary type continuously variable transmission

Provided herein is a control system and method for a multiple-mode continuously variable transmission having a ball planetary variator. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

Method for control of a ball planetary type continuously variable transmission using fuzzy logic

Provided herein is a method and control system for a multiple-mode continuously variable transmission having a ball planetary variator. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

Ball variator continuously variable transmission

Provided herein is a variator including: a first traction ring assembly in contact with a plurality of balls, wherein each ball of the plurality of balls has a tillable axis of rotation; a second traction ring assembly in contact with a plurality of balls; and an idler assembly located radially inward of the first traction ring assembly and the second traction ring assembly, the idler assembly in contact with the plurality of balls. The idler assembly includes a first idler ring, a second idler ring, an inner idler race located radially inward of the first idler ring and the second idler ring, a plurality of bearing balls operably coupled to the second idler ring and the inner idler race, and a first visco-elastic damper member coupled to the first idler ring and the inner idler race.. ... Dana Limited

Electromagnetic device for ball-type continuously variable transmission

Provided herein is a sun assembly for a continuously variable transmission having a plurality of balls, each having a tiltable axis of rotation, a first traction ring assembly in contact with each ball, a second traction ring assembly in contact with each ball, the sun assembly having a first sun ring and a second sun ring located radially inward of, and in contact with, each ball. The sun assembly is operably coupled to an electromagnetic device. ... Dana Limited

Abuse mode torque limiting control method for a ball-type continuously variable transmission

Provided herein is a control system for a multiple-mode continuously variable transmission having a ball planetary variator operably coupled to multiple-mode gearing. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

Articulating sub-housing for a ball-type continuously variable planetary transmission

Provided herein is a continuously variable transmission (cvt) having a carrier assembly for a continuously variable transmission having a plurality of balls, each having a tiltable axis of rotation, a first traction ring assembly in contact with each ball, a second traction ring assembly in contact with each ball. The cvt is provided with a first sub-housing member coupled to a first carrier member. ... Dana Limited

Control method for synchronous shifting of a transmission comprising a cotinuously variable planetary mechanism

A control system for a multiple-mode continuously variable transmission is described as having a ball planetary variator operably coupled to multiple-mode gearing. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

Traction path oil control for a ball variator continuosly variable transmission

Provided herein is a variator including: a first traction ring assembly and a second traction ring assembly in contact with a plurality of balls, wherein each ball of the plurality of balls has a tiltable axis of rotation; and a traction patch oil control member coupled to the first and/or second traction ring assembly.. . ... Dana Limited

Ball variator continuously variable transmission

Devices and methods are provided herein for the transmission of power in motor vehicles. Power is transmitted in a smoother and more efficient manner by splitting torque into two or more torque paths. ... Dana Limited

Symmetric infinitely variable transmission having a ball-type continuously variable transmission

Provided herein is a powertrain including: a main shaft; a variator having a first plurality of balls, each ball provided with a tiltable axis of rotation, each ball in contact with a first traction ring assembly and a second traction ring assembly, and each ball operably coupled to a first carrier assembly; a first planetary gear set having a first ring gear, a first planet carrier supporting a first plurality of planet gears coupled to the first ring gear, and a first sun gear coupled to the first plurality of the planet gears; and a second planetary gear set having a second ring gear, a second planet carrier supporting a second plurality of planet gears coupled to the second ring gear, and a second sun gear coupled to the second plurality of the planet gears.. . ... Dana Limited

Continuously variable transmission having a ball-type continuously variable transmission

Devices and methods are provided herein for the transmission of power in motor vehicles. Power is transmitted in a smoother and more efficient manner by splitting torque into two or more torque paths. ... Dana Limited

05/03/18 / #20180119785

Power converter having a ball-type continuously variable transmission

Devices and methods are provided herein for the transmission of power in motor vehicles. Power is transmitted in a smoother and more efficient manner by splitting torque into two or more torque paths. ... Dana Limited

01/11/18 / #20180009278

Assembly for a tire inflation system and the tire inflation system made therewith

An assembly for a tire inflation system includes a tire stem. A housing is engaged with a first end of the tire stem. ... Dana Limited

12/14/17 / #20170356386

Integrated internal combustion engine and waste heat recovery system including a selective catalytic reduction unit

An integrated internal combustion engine and waste heat recovery system including an internal combustion engine, a system of exhaust gas conduits, a first heat exchanger in fluid communication with the exhaust gas conduits, a second heat exchanger in fluid communication with the exhaust gas conduits downstream of the first exchanger, a selective catalytic reduction unit positioned between the first and second heat exchangers, a waste heat recover system (whr) and a mechanical connection. The whr system includes a system of working fluid conduits in fluid communication with the first and second heat exchangers, an expander, a condenser, and a pump. ... Dana Limited

10/05/17 / #20170284508

Planetary powertrain configuration with a ball variator continuously variable transmission used as a powersplit

Devices and methods are provided herein for the transmission of power in motor vehicles. Power is transmitted in a smoother and more efficient manner by splitting torque into two or more torque paths. ... Dana Limited

08/31/17 / #20170248214

Planetary powertrain configurations with a ball variator continuously variable transmission used as a powersplit

Devices and methods are provided herein for the transmission of power in motor vehicles. Power is transmitted in a smoother and more efficient manner by splitting torque into two or more torque paths. ... Dana Limited

08/31/17 / #20170248213

Planetary powertrain configurations with a ball variator continuously variable transmission used as a powersplit

Devices and methods are provided herein for the transmission of power in motor vehicles. Power is transmitted in a smoother and more efficient manner by splitting torque into two or more torque paths. ... Dana Limited

08/10/17 / #20170227123

Method for adaptive ratio control and diagnostics in a ball planetary type continously variable transmission

Provided herein is a control system for a multiple-mode continuously variable transmission having a ball planetary variator. The control system has a transmission control module configured to receive a plurality of electric input signals, and to determine a mode of operation from plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

08/10/17 / #20170227122

Method for adaptive ratio control in a ball planetary continously variable transmission

Provided herein is a control system for a multiple-mode continuously variable transmission having a ball planetary variator. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

07/20/17 / #20170204963

Passive method of preventing ball axle movement during a rollback event in a ball-planetary type continuously variable transmission

Provided herein is a carrier assembly for a continuously variable transmission having a plurality of balls, each ball having a ball axle, the ball axle defining a tiltable axis of rotation, a first traction ring assembly in contact with each ball, a second traction ring assembly in contact with each ball, the carrier assembly having a first carrier member substantially non-rotatable, a second carrier member configured to rotate relative to the first carrier member, and an axle capture member fixedly coupled to the first carrier member. The axle capture member is configured to selectively couple to one end of each ball axle.. ... Dana Limited

06/29/17 / #20170184188

Ball type cvt with output coupled powerpaths

Systems, devices, and methods are provided for the transmission of power in motor vehicles. Power can be transmitted in a smoother and more efficient manner, with smaller and even less mechanical components, by splitting torque into two or more torque paths. ... Dana Limited

06/22/17 / #20170174066

Device and method for synchronizing a flywheel with a drivetrain

A vehicle driveline and a method for synchronizing a flywheel and the vehicle driveline are provided. The vehicle driveline includes a power source, a primary clutch drivingly engaged with the power source, a primary transmission drivingly engaged with the primary clutch, a secondary transmission drivingly engaged with one of a portion of the primary clutch and an input of the primary transmission, a controller in communication with the secondary transmission, and a flywheel drivingly engaged with the secondary transmission. ... Dana Limited

06/01/17 / #20170152928

4-mode powersplit transmission based on continuously variable planetary technology

A variable transmission includes a powerpath layout based on multi-mode operation. The various modes are a combination of direct drive or power recirculation. ... Dana Limited

05/18/17 / #20170138195

Enhanced waste heat recovery system

A method for improving the efficiency of an internal combustion engine changes the volume in a piston chamber of an expander device. The expander device generally operates at a fixed expander device speed to perform work on an expander shaft. ... Dana Limited

05/11/17 / #20170130811

Off-highway continuously variable planetary-based multimode transmission including infinite variable transmission and direct continuously variable transmission

A variable transmission includes various powerpath layouts comprising configurations based on a two stage gearbox with a first stage providing a multi-mode configuration combining power-split modes, direct drive modes and a directional stage to select driving either forward or reverse with a pair of direction clutches; or multi-mode operation comprising a planetary gear set as the central part of the configurations together with the cvp, wherein the modes are selected by engaging a clutch/brake while releasing the others. These configurations are particularly useful for compact off-highway applications such as compact wheel loaders having a wide speed range and high rimpull force requirement where an operator may also desire limited jerking motion during shifts in the low speed range.. ... Dana Limited

05/04/17 / #20170122418

Four mode powertrain configurations with a ball variator continuously variable transmission used as a powersplit

Devices and methods are provided herein for the transmission of power in motor vehicles. Power is transmitted in a smoother and more efficient manner by splitting torque into two or more torque paths. ... Dana Limited

05/04/17 / #20170120915

Method of optimizing fuel efficiency and performance of a cvp based system by selecting control points to minimize total system losses

Described herein is a control system for a vehicle having a continuously variable transmission (cvt) having a ball planetary variator (cvp), providing a smooth and controlled operation. In some embodiments, the control system implements an optimization sub-module. ... Dana Limited

04/13/17 / #20170102063

Semi-active torque cancellation solution

A torque ripple compensation device for a motor vehicle. The device includes an outer ring, an inner ring and a linkage. ... Dana Limited

04/06/17 / #20170097069

Continuously variable transmission and an infinitely variable transmission variator drive

A transmission having a variator drive capable of being placed in a continuously variable operating mode or an infinitely variable operating mode, capable of having a wide ratio range, and capable of integrating a clutching capability within the transmission. The variable transmissions can be operated in at least two different operating modes, depending on an engagement status of the clutches therein. ... Dana Limited

03/30/17 / #20170089434

Continuously variable planetary idler support bearing to improve or reduce bearing speeds and allow idler assembly axial movement

A continuously variable ball planetary variator comprising a main shaft, an input ring, an output ring, carriers and planets, and further comprising an improved idler support bearing capable of handling axial movement and higher differential rotational speeds between the main shaft and the idler assembly inner race. One improvement includes a continuously variable ball planetary variator comprising a main shaft, an input ring, an output ring, carriers and planets with an improved idler support bearing comprising; an idler bearing with an inner bearing race and an outer bearing race, wherein one bearing race is a split bearing race and one bearing race is a cylindrical bearing race, wherein the split bearing race has a preload between the bearings, and wherein the cylindrical bearing race allows axial movement of the idler assembly, and wherein the idler bearings comprise radial ball bearings to achieve said axial movement.. ... Dana Limited

03/30/17 / #20170089433

Carrier for ball-type continuously variable transmission

Provided herein is a carrier assembly for a continuously variable transmission having a plurality of balls, each having a tiltable axis of rotation, a first traction ring assembly in contact with each ball, a second traction ring assembly in contact with each ball, the carrier assembly having a carrier manifold member with a plurality of guide slots, each guide slot adapted to operably couple to, and provide support to each ball, the carrier manifold member having a number of lubrication channels, each lubrication channel located radially between each guide slot; and a flange cap member operably coupled to the carrier manifold member. In one embodiment, the carrier assembly is provided with a number of orifice channels. ... Dana Limited

03/23/17 / #20170082193

Simulated stepped gear ratio control method for a ball-type continuously variable transmission

Provided herein is a control system for a multiple-mode continuously variable transmission having a ball planetary variator operably coupled to multiple-mode gearing. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

03/23/17 / #20170082049

Abuse mode torque limiting control method for a ball-type continuously variable transmission

Provided herein is a control system for a multiple-mode continuously variable transmission having a ball planetary variator operably coupled to multiple-mode gearing. The control system has a transmission control module configured to receive a plurality of electronic input signals, and to determine a mode of operation from a plurality of control ranges based at least in part on the plurality of electronic input signals. ... Dana Limited

03/16/17 / #20170074123

Enhanced condenser for a waste heat recovery system

A waste heat recovery system for use with a cooling system of an internal combustion engine is provided. The waste heat recovery system comprises a condenser, a pump, a fluid reservoir, a heat exchanger, an expansion device, and an auxiliary cooling device. ... Dana Limited

03/16/17 / #20170074122

Enhanced waste heat recovery system and method allowing global optimal control

A waste heat recovery system and control system and method of controlling a waste heat recovery system and control system is provided. The waste heat recovery system and control system comprises a pump, a heat exchanger, an expansion device, a condenser, a plurality of sensors, and a controller. ... Dana Limited








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