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Motor arrangement with integrated exhaust gas manifold

A technology for engines and exhaust pipes, applied to mechanical equipment, engine components, machines/engines, etc., can solve problems such as increased manufacturing costs and difficulties in thermal power, and achieve the effects of saving materials, improving response characteristics, and improving fuel consumption values

Inactive Publication Date: 2011-06-15
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Avoiding fuel enrichment can be achieved within limits by using materials that are particularly temperature stable, but this leads to increased manufacturing costs
Also, in an efficient small powertrain, it will be more difficult to provide the necessary thermal power

Method used

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  • Motor arrangement with integrated exhaust gas manifold
  • Motor arrangement with integrated exhaust gas manifold
  • Motor arrangement with integrated exhaust gas manifold

Examples

Experimental program
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Effect test

Embodiment Construction

[0044] An engine device with an internal combustion engine according to the invention has a cylinder block with at least two cylinders, each of which is Figure 14 Shown is at least one exhaust opening 20 , which can be selectively closed by means of an exhaust valve, and which is used for discharging exhaust gas. The exhaust gas discharged from each exhaust port 20 is guided by an exhaust pipe 30, which is preferably merged into a total exhaust pipe 60 mainly in the cylinder head 100, wherein the exhaust passage arranged in the cylinder head 100 is provided by the exhaust pipe arranged in the cylinder head 100 The coolant channel 40 near the exhaust port is cooled by liquid cooling. The protruding area 110 integrated in the cylinder head is likewise cooled by the liquid, so that the connecting surface of the first exhaust-gas flow device can be configured in a weight-saving manner. To enhance liquid cooling, this region 110 can also protrude less and, in particular, can be c...

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Abstract

It is proposed that the exhaust gas manifold be integrated into the cylinder head (100), a first for turbo applications, and that an associated cooling concept be provided. In the process, significant attribute improvements can be accomplished while at the same time achieving much lower system costs. For example, the advantages of this application are illustrated using a four cylinder gasoline engine with direct injection and turbocharging. What are particularly notable are the reduced fuel usage in full load and near full load ranges, lower CO2 emissions in European driving cycles, faster catalytic converter start, improved engine warm-up and heating of the vehicle cab, and significant reduction of complexity by eliminating the classical exhaust gas manifold and the significant weight and cost reduction associated therewith.

Description

technical field [0001] The invention relates to an engine arrangement according to the preamble of claim 1 and to an internal combustion engine according to the preamble of claim 12 or 13 . Background technique [0002] To achieve CO reductions in the coming years 2 To make a real contribution to emissions, engine downsizing combined with direct injection and supercharged gasoline engines is seen as a reasonable solution. In order to achieve wide application in various vehicles (Flotte), it is necessary to optimize and promote the gasoline direct injection engine downsizing (Otto-DI-Downsizing) system while carefully considering durability (for customers and vehicles), driving performance, and cost. [0003] For small cars, the European Commission has set the maximum fuel consumption CO for 2012 2 The emission target value is proposed to be 130g / km. Complying with this future limit value is the main focus of car manufacturers when planning the roadmap for drive units. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/24F01N3/04F02F1/40
CPCF02F1/4264F02F1/243F01N13/105F01N3/08F02F1/40F01P2060/08
Inventor K·库荷尔巴茨
Owner FORD GLOBAL TECH LLC
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