Flexplate assembly and systems incorporating the same

A technology of flexible boards and components, applied in the field of powertrain systems, can solve problems such as reducing engine efficiency and generating noise, and achieve the effects of reducing complexity, reducing costs, and excellent operating characteristics

Inactive Publication Date: 2017-05-10
BORGWARNER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this starting system, the one-way clutch is engaged at the moment when the ring gear is rotated by the pinion to start the engine, and when the starter motor stops, the one-way clutch freewheel and the ring gear stop, which causes noise and reduces the efficiency of the engine

Method used

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  • Flexplate assembly and systems incorporating the same
  • Flexplate assembly and systems incorporating the same
  • Flexplate assembly and systems incorporating the same

Examples

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Embodiment Construction

[0020] Referring now to the drawings, in which like reference numerals are used to designate like structures, in figure 1 and 2 A portion of a powertrain system 10 of a vehicle, such as an automobile vehicle, is illustrated in FIG. The powertrain system 10 includes an internal combustion engine 12 (shown in part) operatively attached to a transmission (shown in part). The engine 12 is adapted to generate and convert rotational torque to a transmission, and includes a cylinder block 14 and a crankshaft 16 rotatably supported in the cylinder block 14 (see figure 2 ). Engine 12 also typically includes an oil sump 18 attached to cylinder block 14 . While in one embodiment the engine 12 is a double overhead cam (DOHC), spark ignition Otto-cycle engine in a V-configuration, those of ordinary skill in the art will appreciate that the engine 12 may have Any suitable configuration of any suitable thermodynamic cycle control without departing from the scope of the present invention...

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Abstract

A flexplate assembly (26) for use in a starting system (31) for translating rotational torque between an engine and a transmission includes a drive assembly (28) adapted to be attached to the engine and the transmission for translating rotational torque therebetween. The flexplate assembly (26) also includes a ring assembly (30) having a ring gear (32) adapted to permanently engage a pinion gear (24) of a starter motor (22) of the starting system (31). The ring assembly (30) rotates with the drive assembly (28) in response to rotational torque generated by the pinion gear (24) of the starter motor (22). The drive assembly (28) disengages from the ring assembly (30) in response to rotational torque generated by the engine.

Description

[0001] Cross-Referenced Related Applications [0002] This application claims priority and all benefit of US Patent Application Serial No. 14 / 453,971, filed August 7, 2014, the entire contents of which are hereby expressly incorporated by reference. technical field [0003] The present invention relates generally to powertrain systems, and more particularly to flexplate assemblies and systems including flexplate assemblies. Background technique [0004] Conventional automotive powertrain systems known in the art generally include an internal combustion engine and a transmission. The engine produces rotational torque through the crankshaft, which is usually the input to the transmission. In some systems, a ring gear may be disposed between the engine and the transmission. Depending on the type of transmission, the ring gear may be integrated on the flexplate to which the clutch freewheel, torque converter or modular clutch pack is attached, or on any powertrain component th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/14F16H3/72
CPCF16D41/00F16D3/79F02N11/00F16F15/30
Inventor B·M·佩格奥斯克K·马丁
Owner BORGWARNER INC
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