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Internal combustion engine equipped with two exhaust-gas turbochargers, and method for operating an internal combustion engine of said type

An internal combustion engine, turbocharger technology, applied in the direction of internal combustion piston engines, combustion engines, machines/engines, etc., can solve problems such as insufficient supercharging behavior

Inactive Publication Date: 2012-10-03
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method described has the disadvantage that the supercharging behavior is insufficient at relatively high rotational speeds or relatively large displacement volumes

Method used

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  • Internal combustion engine equipped with two exhaust-gas turbochargers, and method for operating an internal combustion engine of said type
  • Internal combustion engine equipped with two exhaust-gas turbochargers, and method for operating an internal combustion engine of said type
  • Internal combustion engine equipped with two exhaust-gas turbochargers, and method for operating an internal combustion engine of said type

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Embodiment Construction

[0030] Embodiments are provided for directing exhaust gas through a plurality of exhaust manifolds each coupled to a turbocharger. Figure 1-4 are engine diagrams illustrating various exemplary embodiments of an internal combustion engine according to the present disclosure. Figure 5 is a flowchart illustrating an exemplary method that may be performed by the engine of the present disclosure.

[0031] In the context of the present disclosure, the expression "internal combustion engine" covers in particular spark ignition engines, but also diesel engines as well as hybrid internal combustion engines.

[0032] The piping system according to the present disclosure, which is characterized by forming a protrusion on the cylinder head, allows for a compact design and tight packing within the engine compartment. The installation space occupied by the piping system is relatively small, so that the design constraints caused by the hot piping system constituting a permanent heat sourc...

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PUM

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Abstract

Embodiments for controlling exhaust flow are provided. Example embodiments include a cylinder head having two integrated exhaust manifolds, wherein each exhaust manifold is coupled to a turbine of a turbocharger. After passing over the turbines, the exhaust gas may exit through a shared balcony-like projection arranged between the exhaust manifolds.

Description

[0001] Cross-References to Related Applications [0002] This application claims priority from European Patent Application No. 11159694.6 filed on March 25, 2011, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates to a supercharged internal combustion engine having at least two exhaust-gas turbochargers. Background technique [0004] An internal combustion engine has a cylinder block and at least one cylinder head connected to each other to form a cylinder. In order to control the charge exchange, an internal combustion engine requires a control element, usually a lift valve, and an actuating device for actuating the control element. The valve actuation mechanism (including the valve itself) required for valve movement is called the valve drive mechanism. The cylinder head is usually used to house the valve train. [0005] During charge exchange, the combustion air is expelled via the outlet holes of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B37/007F02B37/00
CPCF02B67/10F02F1/243Y02T10/144F02B37/007F02B37/001F02F1/4264Y02T10/12
Inventor R·弗莱德菲尔特B·施泰纳K·S·库尔贝奇
Owner FORD GLOBAL TECH LLC