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Exhaust modules and reciprocating engines

An exhaust module, reciprocating technology, applied in the direction of engine components, combustion engines, machines/engines, etc., can solve problems such as turbocharger operation problems

Active Publication Date: 2017-06-16
WARTSILA FINLAND OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This changes the flow rate of the exhaust gas and the flow conditions when the gas streams combine, which can cause operational problems for the turbocharger
Additionally, the Y-piece warps due to thermal expansion

Method used

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  • Exhaust modules and reciprocating engines
  • Exhaust modules and reciprocating engines
  • Exhaust modules and reciprocating engines

Examples

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Embodiment Construction

[0010] figure 2 and Figure 4 A reciprocating engine 13 having several cylinders 14 is disclosed. The cylinders 14 are arranged in two groups 15, 16 in a V-shaped configuration. The engine may be a large reciprocating engine. A large reciprocating engine here refers to such an engine that can be used, for example, as a main engine and an auxiliary engine in a ship or a power station for generating heat and / or electricity. Engine 13 includes a turbocharger 17 having a compressor 18 and a turbine 19 . Exhaust gases from cylinders 14 in the first cylinder bank 15 and the second cylinder bank 16 are arranged to pass through a turbine 19 .

[0011] The engine 13 is provided with an exhaust module 1 for connecting the cylinders 14 to a turbine inlet 20 . exist figure 2 and Figure 4 The structure of the exhaust module is shown in more detail in . The exhaust module 1 comprises a first exhaust manifold 2 for receiving exhaust gases from cylinders of a first cylinder bank 15...

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Abstract

An exhaust module (1) for a turbocharged (17) reciprocating engine (13), in which the cylinders (14) are arranged in two banks (15, 16). The exhaust module (1) comprises a first exhaust manifold (2) for receiving exhaust gas from cylinders of a first cylinder bank (15), said first exhaust manifold (2) having a first end (4) and a second end (5), and a second exhaust manifold (3) for receiving exhaust gas from cylinders of a second cylinder bank (16), said second exhaust manifold (3) having a fist end (6) and a second end (7). The exhaust module (1) is provided with a connecting duct (9) that connects the second end (5) of the first exhaust manifold (2) to the first end (6) of the second exhaust manifold (3). The exhaust module is also provided with a second connecting duct (8) for connecting the second end (7) of the second exhaust manifold with a turbine inlet (20).

Description

technical field [0001] The invention relates to an exhaust module of a reciprocating engine in which the cylinders are arranged in a V-shaped configuration. The invention also relates to reciprocating engines. Background technique [0002] In large reciprocating engines, such as those used in ships or power plants, the exhaust manifold is large and therefore difficult to install on the engine. In a V-engine where exhaust gases from both cylinder banks are directed to the same turbocharger, the exhaust flow from the cylinder banks is usually combined by a Y-piece preceding the turbocharger. This changes the flow rate of the exhaust gases and the flow conditions when the gas streams combine, which can cause operational problems for the turbocharger. In addition, the Y-piece warps due to thermal expansion. Contents of the invention [0003] The object of the present invention is to provide an improved exhaust module for a turbocharged reciprocating engine in which the cyli...

Claims

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Application Information

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IPC IPC(8): F01N13/10
CPCF01N13/10F01N13/107F01N13/1816F01N2340/00F01N2340/06F02B37/00F02B37/02F02B75/22Y02T10/12F01N13/1805
Inventor 阿尔托·耶尔维约霍·桑贝格M·胡斯科宁
Owner WARTSILA FINLAND OY
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