Unlock instant, AI-driven research and patent intelligence for your innovation.

Method and system for detecting the dilution of the lubricant by the fuel

A detection method and technology for internal lubricants, which are used in charging systems, pressure lubricants, engine lubrication, etc., can solve problems such as high cost, difficulty in calculating lubricant dilution value, and difficulty in real-time detection of on-board systems.

Active Publication Date: 2013-07-17
FPT MOTORENFORSCHUNG
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Therefore, calculation of lubricant dilution values ​​remains difficult and expensive, and immediate detection of on-board systems in vehicles is difficult or impossible, and even detection during workshop testing is problematic

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and system for detecting the dilution of the lubricant by the fuel
  • Method and system for detecting the dilution of the lubricant by the fuel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Figure 1 is a schematic diagram of an engine, such as a vehicle diesel engine, which can implement the method of the present invention. The method of the present invention can also be applied to other types of internal combustion engines.

[0016] The engine 1 is provided with an intake duct 2 and a breather duct 3 of the crankcase, which generally communicates the crankcase with the intake duct, for example upstream of a high boost turbocharger 4 . The snorkel usually includes various types of means 5, such as separation means consisting of various filters, inertial separators or other, to separate the oil carried out by the air flow for its reintroduction into the crankcase.

[0017] According to the invention, a suitably calibrated hydrocarbon-detectable sensor 6 (HC sensor) is used for measuring the hydrocarbon concentration of crankcase blow-by gas.

[0018] According to one embodiment of the invention, gas can be vented at a suitable location and delivered to a m...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Method for detecting the dilution of the lubricant of an internal-combustion engine having a crankcase and a series of combustion chambers delimitated by a cylinder open in its lower part toward said crankcase and a movable piston in said cylinder, comprising the measurement of hydrocarbons (HC) in gases withdrawn from the crankcase of said engine by means of a provided sensor (6). System having the function to apply said method and vehicle equipped with said system.

Description

technical field [0001] The invention relates to a method for detecting lubricant dilution caused by fuel in an internal combustion engine, in particular having a combustion chamber between a cylinder and a piston, and a crankshaft communicating with the cylinder and storing lubricating oil Engines of tanks, more particularly diesel engines of vehicles. Background technique [0002] In a traditional vehicle internal combustion engine, a combustion chamber is provided between the cylinder and the piston. The lower opening of the cylinder faces the crankcase, which houses various mechanical components, such as connecting rods and crankshaft. The piston separates the combustion chamber from the crankcase. The lubricant circulates in the crankcase and is stored in a predetermined oil tank at the bottom of the crankcase, and the pump draws oil from the oil tank and sends it to a predetermined pipeline to lubricate various components. [0003] Inevitably, some substances will se...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/30G01N1/34G01N1/38
CPCF02D2250/11F01M1/18F01M2001/165F02B37/00F02M25/06F02D41/1459
Inventor 彼得·克朗恩布尔
Owner FPT MOTORENFORSCHUNG