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Toroidal combustion chamber with side injection

An annular, injector technology, used in combustion engines, fuel injection devices, internal combustion piston engines, etc., to solve problems such as suboptimal performance

Inactive Publication Date: 2013-01-16
ECOMOTORS INTL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

figure 1 The piston crowns 22 and 24 in may not optimally provide the desired performance

Method used

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  • Toroidal combustion chamber with side injection
  • Toroidal combustion chamber with side injection
  • Toroidal combustion chamber with side injection

Examples

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Embodiment Construction

[0017] As will be appreciated by those skilled in the art, various features of an embodiment shown and described with reference to any one figure may be combined with features shown in one or more other figures to produce alternative implementation of . Combinations of features shown provide representative embodiments for common applications. However, various combinations and modifications of the features consistent with the teachings of the present invention may be desired for particular applications or implementations. Those skilled in the art will recognize similar applications or implementations whether explicitly described or illustrated.

[0018] figure 2 , shows a cross-sectional view of a portion of an OPOC engine showing a combustion chamber according to an embodiment of the invention. A portion of the intake piston 40 and a portion of the exhaust piston 42 are shown at their closest positions. Piston 40 has grooves 44 and 45 and piston 42 has grooves 46 and 47 t...

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Abstract

A toroidal combustion chamber shape with a side injector is disclosed for an opposed-piston engine. Fuel is injected into the toroidal volume from a fuel injector in the cylinder wall. In one embodiment, fuel is injected from each injector a plurality of times with the timing between the injections such that fuel clouds from each injection remain substantially isolated from each other.

Description

technical field [0001] The invention relates to combustion chamber shape and injector orientation in internal combustion engines. Background technique [0002] The thermal efficiency and engine emissions of an internal combustion engine are determined by many factors, including combustion system design and mechanical design. Combustion system design includes combustion chamber shape, fuel injection nozzle and fuel injection pressure, intake manifold and exhaust manifold, etc. All of these are optimized together to obtain a mixing quality that results in efficient combustion. In a typical diesel engine combustion system, much is known and studied to determine what combustion chamber shape and fuel injection characteristics result in a desired output. However, in unconventional engines, less is known about what combustion chamber shape and fuel injection characteristics provide the desired mixing and engine performance. [0003] figure 1 One such unconventional engine, an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B23/00F02M61/14
CPCY02T10/125F02B23/0663F02B23/0675F02B75/282F01B7/08Y02T10/12F01B1/08F01B7/02F01B9/02F02B75/243F02B75/28
Inventor H·沈P·P·霍夫鲍尔
Owner ECOMOTORS INTL