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Dual clutch drive module with single servo hydraulic pump and normally open valve actuation

A normally open valve, friction clutch technology, applied in the direction of mechanical drive clutch, fluid drive clutch, non-mechanical drive clutch, etc.

Active Publication Date: 2018-09-07
AMERICAN AXLE & MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, known dual friction clutch differential arrangements require complex mechanisms and / or hydraulic circuits to control the operation of the friction clutches

Method used

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  • Dual clutch drive module with single servo hydraulic pump and normally open valve actuation
  • Dual clutch drive module with single servo hydraulic pump and normally open valve actuation
  • Dual clutch drive module with single servo hydraulic pump and normally open valve actuation

Examples

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Embodiment Construction

[0015] Example embodiments will now be described more fully with reference to the accompanying drawings.

[0016] with reference to the attached figure 1 , an exemplary vehicle having vehicle driveline components constructed in accordance with the teachings of the present disclosure is indicated generally at 10 . Vehicle 10 may have a powertrain 12 and a driveline or driveline 14 . The powertrain 12 may be constructed in a conventional manner and may include a power source 16 and a transmission 18 . Power source 16 may be configured to provide propulsion power and may include, for example, an internal combustion engine and / or an electric motor. The transmission 18 can receive propulsion power from the power source 16 and can output power to the driveline 14 . The transmission 18 may have multiple automatically or manually selected gear ratios. The driveline 14 in the particular example provided is in an all-wheel drive configuration, but those skilled in the art will appre...

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PUM

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Abstract

The present application provides a dual clutch drive module with a single servo hydraulic pump and normally open valve actuation, and in particular, a dual clutch drive module with a dual friction clutch type differential assembly with a hydraulic circuit for operating the friction clutches Vehicle drivetrain components. The hydraulic circuit includes a pair of normally open solenoid-operated valves that are selectively closed to control fluid pressure acting on the friction clutch. The hydraulic circuit provides a simplified and cost-effective means of providing disconnect and / or active torque distribution capabilities to vehicle driveline components.

Description

technical field [0001] The present disclosure relates to a dual clutch drive module with a single servo hydraulic pump and normally open valve actuation. Background technique [0002] This section provides background information related to the present disclosure which is not necessarily prior art. [0003] One trend in automotive drivelines involves all-wheel drive drivetrains with axle assemblies with disconnect and / or active torque distribution capabilities. As a means of improving fuel economy, the disconnect capability allows the drivetrain to selectively operate in two-wheel-drive mode. The torque active split capability allows the driveline to vary the torque that would otherwise be applied to a pair of wheels driven by the axles to correct understeer or oversteer in some situations. [0004] One type of axle assembly capable of providing disconnect and / or active torque splitting capabilities is one employing a pair of friction clutches to provide a speed differentia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H37/08F16H63/30F16H61/00F16D25/10
CPCF16D25/10F16D25/14F16H37/08F16H61/0009F16H61/0025F16H63/3026F16H2063/303F16H2061/0046F16H48/22F16D2048/0245F16D25/0638F16D48/02F16D48/0206F16H57/0473F16H57/0483F16D13/52F16H48/36F16H48/08F16D13/74F16H2048/364
Inventor 肯特·A·休梅克查理斯·G·斯图亚特詹姆斯·P·唐斯
Owner AMERICAN AXLE & MFG