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Synchronized accessory drive system with optimized switching between drive sources for the drive system

A technology for accessories and drive shafts, applied in the system field, can solve the problems of increasing belt tension requirements, increasing motor load, increasing battery and electronic device requirements, etc.

Active Publication Date: 2018-12-18
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to track speed changes of the crankshaft or input shaft beyond a certain level, the load on the motor must be increased, which in turn increases the battery and electronics requirements
In addition, belt tension requirements must be added
The aforementioned requirements lead to increased cost and complexity and reduced energy efficiency

Method used

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  • Synchronized accessory drive system with optimized switching between drive sources for the drive system
  • Synchronized accessory drive system with optimized switching between drive sources for the drive system
  • Synchronized accessory drive system with optimized switching between drive sources for the drive system

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Embodiment Construction

[0014] First, it should be understood that in the different drawings, like reference numerals indicate identical or functionally similar structural elements of the present disclosure. It should be understood that the present disclosure is not limited to the aspects disclosed.

[0015] Furthermore, it is to be understood that this disclosure is not limited to the particular embodiments, materials and modifications described, as such may, of course, vary. It should also be understood that the terminology used herein is for the purpose of describing particular aspects only and is not intended to limit the scope of the present disclosure.

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should be understood that any methods, devices or materials similar or equivalent to those described herein could be used in the practice or testing...

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PUM

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Abstract

An accessory drive system comprising an accessory device and a clutch assembly comprising: a motor; a drive shaft coupled to the motor and the accessory device; at least one clutch; and a control unit for: using A clutch connects a drive shaft to a crankshaft or input shaft; causes the drive shaft to rotate with the crankshaft or input shaft; uses a clutch to disconnect the drive shaft from the crankshaft or input shaft; uses an electric motor to accelerate or decelerate the rotation of the drive shaft at a first absolute ratio , the first absolute ratio being less than a second absolute acceleration or deceleration of the engine or input shaft; and closing the clutch to connect the drive shaft to the Crankshaft or input shaft engaged.

Description

[0001] Cross References to Related Applications [0002] Pursuant to 35 U.S.C. §119(e), this application claims priority to U.S. Provisional Patent Application No. 61 / 972,530, filed March 31, 2014, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates to a system for driving an accessory device for a vehicle, and more particularly to a system that uses the output of a crankshaft, drive shaft, or electric motor to drive an accessory device and is configured to optimize the crankshaft, transmission Switches between the corresponding output of the shaft and motor. Background technique [0004] Commonly owned US Patent Application No. 14 / 049,532 discloses a synchronized accessory device drive system that provides power to an accessory drive shaft from an electric motor or from the crankshaft of a transmission input shaft. However, in order to track speed changes of the crankshaft or input shaft beyond a certai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W10/02B60W10/06B60W10/10
CPCF16H57/04F16H61/0028F16H57/0436F16H57/0476B60W30/1886B60W10/06B60W10/02B60W10/11B60W10/30
Inventor J·亨普希尔
Owner SCHAEFFLER TECH AG & CO KG