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Manifold Direct Boost Assist with Separate Throttle Manifold Body Volume

A throttle and manifold pressure technology, applied in electrical control, combustion engine, machine/engine, etc., can solve the problems of increasing the size and cost of the engine system

Active Publication Date: 2018-08-28
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While adding a second turbocharger can reduce turbo lag, it may also increase the size and cost of the engine system

Method used

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  • Manifold Direct Boost Assist with Separate Throttle Manifold Body Volume
  • Manifold Direct Boost Assist with Separate Throttle Manifold Body Volume
  • Manifold Direct Boost Assist with Separate Throttle Manifold Body Volume

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Embodiment Construction

[0012] The following description relates to systems and methods for regulating intake air flow through two intake air flow passages. engine systems (such as Figures 1A-1B The engine system shown in ) may include a first intake flow passage with a turbine-driven compressor and a second intake flow passage with an electric compressor. In one example, as in Figure 1A As shown, a second intake flow passage may be parallel to the first intake flow passage, the second flow passage being coupled between the intake passage upstream of the turbine-driven compressor and the intake manifold. In another example, as in Figure 1B As shown, the second intake air flow passage may be coupled between the first intake air flow passage and the intake manifold downstream of the charge air cooler and upstream of the throttle. Airflow through the first and second intake passages may be controlled by adjusting a throttle position and operation of an electric compressor in the first intake passag...

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PUM

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Abstract

The invention discloses a method and system for regulating intake air flow through two parallel intake passages. In response to the increased torque demand, intake airflow is directed through a first intake passage including an exhaust-driven turbocharger compressor and a second intake passage including an electric compressor. In addition, after the turbocharger's compressor increases speed, the intake airflow can be directed through the first intake passage again to further increase boost.

Description

【Technical field】 [0001] The present invention relates to manifold direct boost assist devices having separate throttle manifold body volumes. 【Background technique】 [0002] Turbocharged engines use a turbocharger to compress intake air and increase the engine's power output. A turbocharger can use an exhaust-driven turbine to drive a compressor that compresses intake air. As the speed of the compressor increases, the boost provided to the engine increases. Once a request for increased torque is received, the turbo and compressor may take a certain amount of time to accelerate and provide the needed boost. This delay in turbocharger response, known as turbo lag, may result in a delayed delivery of required engine power. The volume of the engine intake system may also delay the time it takes for the air to compress the volume. As such, turbo lag and increased intake system volume may result in delayed engine torque response. [0003] Other attempts to address turbo lag ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B37/04F02B37/12F02D43/00
CPCF02D41/10F02D41/0002F02D2200/0406F02D2200/703F02B37/16F02B37/18F02B39/10F02B37/04F02B37/14F02D41/0007Y02T10/40Y02T10/12
Inventor C·C·阿伦斯
Owner FORD GLOBAL TECH LLC