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Heating systems for internal combustion engines

A technology for internal combustion engines and fuel supply systems, applied to fuel heat treatment devices, charging systems, mechanical equipment, etc.

Inactive Publication Date: 2016-03-02
CATERPILLAR MOTOREN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These problems can become more serious when the internal combustion engine is in the standby mode described above

Method used

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  • Heating systems for internal combustion engines
  • Heating systems for internal combustion engines
  • Heating systems for internal combustion engines

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] refer to figure 1 , the internal combustion engine (shown only partially) may include more than one injector 15 . Each injector 15 can be associated with a combustion chamber of the internal combustion engine. In other words: more than one injector 15 can be assigned to each combustion chamber of the internal combustion engine. Injector 15 may be configured to inject fuel into an associated combustion chamber. Injector 15 can have as image 3 The structure shown and will be described in detail later. Each injector 15 may be connected to a branch pipe 55 which in turn may be connected to a common supply pipe 50 for heated lubricating oil. In addition, each injector 15 may be connected to a lubricating oil discharge pipe 60 .

[0027] The common supply pipe 50 for heated lubricating oil may be connected to the main lubricating oil supply pipe 70 and / or the secondary lubricating oil supply pipe 40 . A check valve 45 and any other control means known in the art for c...

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PUM

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Abstract

The invention relates to devices and methods for operating internal combustion engines. The internal combustion engine may be configured to operate in an operating mode in which a certain type of fuel is injected into at least one combustion chamber and in a standby mode in which no fuel is combusted in the at least one combustion chamber. The method may comprise the steps of circulating heated fuel during said standby mode of said internal combustion engine and circulating lubricating oil (35, 40, 50, 60) during said standby mode of said internal combustion engine. Thermal energy may be transferred from said circulating heated fuel (20, 30) to said circulating lubricating oil (35, 40, 50, 60) in a heat exchanger (25) upstream of said at least one injector (15) , so that the lubricating oil ( 35 , 40 , 50 , 60 ) is thereby heated during the standby mode of the internal combustion engine. The circulating heated lubricating oil (35, 40, 50, 60) may be supplied to the at least one injector (15) for heating purposes during the standby mode of the internal combustion engine.

Description

technical field [0001] The present invention generally relates to internal combustion engines configured to burn a particular type of fuel, such as heavy fuel oil. More specifically, the present invention relates to an internal combustion engine configured to operate in an operating mode that burns said fuel and in a standby mode that does not burn said fuel, wherein switching from the standby mode to the operating mode can be performed without burning said fuel Execute with any fuel other than heavy fuel oil (such as heavy fuel oil). [0002] Furthermore, the invention relates to a heating system for use in or with an internal combustion engine of the type mentioned here, and also to a method for operating an internal combustion engine of the type mentioned here. Background technique [0003] Internal combustion engines, such as common rail engines, especially medium speed common rail engines, can be configured to use certain types of fuels with higher viscosities. This t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M31/14F02M31/20F02M63/00F02M53/00F02M53/04
CPCF02M53/00F02M53/04F02M63/0001
Inventor V·亚伯拉罕H·雅各布
Owner CATERPILLAR MOTOREN
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