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Large diesel engine

A diesel engine, large-scale technology, applied in the direction of engine components, machines/engines, engine lubrication, etc., can solve problems such as unfavorable height inaccuracy, difficult injection accuracy, etc., to achieve high-precision results

Inactive Publication Date: 2016-08-24
丰泰天然气及柴油有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The problem with the known systems is that the desired injection accuracy can only be guaranteed with great difficulty, if necessary
[0011] Despite these measures, a disadvantageously high degree of inaccuracy can still occur with respect to the effective lubricant introduction time, which results, for example, from a relatively large distance between the lubrication point and the lubricant pump that feeds it differences due to different hydraulic inertias and especially differences in the compressibility of the lubricant that will be moving in each case

Method used

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Embodiment Construction

[0037] figure 1 A schematic diagram of a first embodiment of a large diesel engine according to the invention is shown, which engine is generally designated with reference numeral 1 and which can be designed as a two-stroke engine or a four-stroke engine. figure 2 shows the passing figure 1 A schematic cross-sectional view of one of the plurality of cylinders 2 that a large diesel engine 1 typically has in FIG. The cylinder 2 has a cylinder bore with a diameter B and a longitudinal axis A. figure 2 The section in is perpendicular to the longitudinal axis A of the cylinder 2 .

[0038]The piston 3 is arranged to move back and forth in the cylinder 2 in a manner known per se, and to move along a running surface 21 on the inner wall of the cylinder 2 when the large diesel engine 1 is in operation. Typically, the running surface 21 is formed by a cylinder insert or liner. According to the drawing, the upper end of the piston 3 delimits a combustion space 4 in which the combu...

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Abstract

The invention provides a large diesel engine comprising at least one cylinder (2), the cylinder (2) having a cylinder bore (B) and a longitudinal axis (A) and the piston (3) therein being arranged capable of moving along a running surface (21), and a lubricating system (5) provided for cylinder lubrication. The lubricating system (5) includes at least two lubricating points (6) through which the lubricant is applied to the running surface (21) and a lubricant supply device (8) for delivering the lubricant from the lubricant storage (10) to the lubricating points (6). The lubricant supply device (8) includes at least one pump nozzle unit (7) provided at the lubricating points (6), and each pump nozzle unit (7) includes a pump (72) connected to at most two lubricating points (6), so that each pump nozzle unit (7) supplies lubricant to at most two lubricating points (6).

Description

[0001] The present invention is a divisional application, the application number of the parent application is 200910208245.2, the application date is October 15, 2009 and the invention name is "Large Diesel Engine". technical field [0002] The invention relates to a large diesel engine according to the preamble of independent claim 1 . Background technique [0003] Large diesel engines, which can be designed as two-stroke or four-stroke engines, are often used as drive units for boats or also in stationary operation, for example for driving large engines to generate electrical energy. In this respect, engines are often operated in an unaltered manner for a relatively long period of time, which necessitates greater operational safety and availability. Therefore, in particular longer maintenance intervals, less wear and economical use of fuel are the main criteria for the operating personnel. [0004] In this regard, cylinder lubrication and piston lubrication are of primary...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01M1/02F01M1/08
CPCF01M1/02F01M1/08F01M2001/0253F01M2001/083F01M2001/023F01M1/14
Inventor K.拉斯M.阿莫瑟
Owner 丰泰天然气及柴油有限公司
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