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Vehicle having controlled start

A vehicle and wheel technology, applied in the field of vehicles, can solve problems such as delaying the acceleration of vehicles

Inactive Publication Date: 2018-07-31
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It should be understood that at the same time that the gap closes when torque is transferred from the engine to the wheels, more gaps (eg, larger gaps) may also delay the vehicle's ability to accelerate

Method used

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Examples

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Embodiment Construction

[0031] The following description is merely exemplary in nature and is not intended to limit the disclosure and its application or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0032] According to an embodiment of the present invention, figure 1A vehicle 20 is shown having a differential assembly 22 . Differential assembly 22 may sometimes be referred to as a rear drive module. It should be understood that vehicle 20 may be, for example, an automobile, truck, van, or sport utility vehicle. As used herein, the term "vehicle" is not limited to cars, trucks, vans, or sport utility vehicles, but may include any self-propelled or towed vehicle suitable for transporting a load. For example, the vehicle 20 may include a propulsion system, such as an internal combustion engine 24 that uses gasoline or diesel as fuel. For example, engine 24 may further be a hybrid engine combining an ...

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PUM

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Abstract

A vehicle and method are provided. The vehicle includes a system and method for limiting the slip of the wheels. In an embodiment, the system holds the brakes based on an acceleration characteristic measured by a sensor. In another embodiment, the system includes a transmission controller that applies an adjustment to limit an amount of clutch slip as the clutch temperature changes to change in clutch performance to reduce wheel slip. In another embodiment, the system monitors a wheel slip signal from a sensor and compares the wheel slip to a target slip value and controls clutch slip of the transmission clutch to maintain engine output torque during acceleration. In another embodiment, in response to an anticipated vehicle launch event, a drive motor applies a first torque to the input shaft to adjust a gear backlash of the differential unit.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application No. 62 / 217,830, filed September 12, 2015. This application also claims the benefit of US Provisional Application No. 62 / 217,499, filed September 11, 2015. This application also claims the benefit of US Provisional Application No. 62 / 217,905, filed September 13, 2015. This application also claims the benefit of US Provisional Application No. 62 / 217,915, filed September 13, 2015. The contents of all of the above-cited US provisional applications are hereby incorporated by reference in their entirety. technical field [0003] The present invention relates to a vehicle, and more particularly, to a system configured to improve the launch performance and acceleration capability of the vehicle. Background technique [0004] One performance measure of a vehicle, such as an automobile or a van, is the vehicle's ability to accelerate from a stopped position to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/32B60T8/171B60T7/04B60K17/02B60K26/02B60K17/16
CPCB60T1/10B60T7/042B60T8/175B60T8/3205B60T13/586B60T13/588B60T13/662B60T2201/14B60T2260/04B60W10/02B60W10/06B60W10/12B60W10/184B60W30/18027B60W2530/10B60W2540/10B60W2540/12B60K26/02B60T8/171B60T8/32B60W2552/40B60K23/02B60K23/04B60T2240/00B60T2250/02B60T2270/20B60W2510/0657B60W2520/28B60W2710/025B60W2710/0666B60W2710/12B60W2710/18B60W2720/26
Inventor E.E.克吕格尔A.J.麦唐纳M.G.佩特鲁奇A.J.里菲奇R.Z.古德A.科萨里J.P.基什
Owner GM GLOBAL TECH OPERATIONS LLC
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