Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for operating injection device of internal combustion engine, injection device and internal combustion engine

A technology of injection device and internal combustion engine, applied in the fields of direct injection device, injection device and internal combustion engine, can solve problems such as unoptimized consumption

Pending Publication Date: 2021-02-26
ROBERT BOSCH GMBH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, known internal combustion engines may not be operated optimally with regard to consumption at operating points with high loads, since such operation is limited by the tendency to knock and high exhaust gas temperatures

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 for operating injection device of internal combustion engine, injection device and internal combustion engine
  • Method for operating injection device of internal combustion engine, injection device and internal combustion engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Refer below figure 1 and 2 An injection system 1 of an internal combustion engine 2 and a method for operating the injection system 1 according to a preferred exemplary embodiment of the invention will be described in detail.

[0020] In this exemplary embodiment, the internal combustion engine 2 has a plurality of cylinders. For a better overview, the figure 1 Only one cylinder is shown. However, the following descriptions regarding the construction of the internal combustion engine 2 apply to all cylinders.

[0021] as from figure 1 It can be seen that the internal combustion engine 2 or the cylinder comprises a combustion chamber 20 in which a piston 21 can move back and forth. Furthermore, the internal combustion engine 2 has an intake duct 22 via which air can be supplied to the combustion chamber 20 . For this purpose, an inlet valve 25 is provided, which releases or closes the inlet channel 22 . The exhaust gas is discharged via the exhaust gas passage 23 ...

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

The present invention relates to a method for operating an injection device (1), in particular a direct injection device, of an internal combustion engine (2). The injection device (1) comprises at least one injector (10) for injecting a mixture of fuel and water. According to the method, a rated quantity of the water content of the mixture to be injected is set as a second value (302) at an operating point of the internal combustion engine (2). The second value (302) is higher than a first value (301) which is predetermined for the rated quantity of the water content of the mixture to be injected at the same operating point of the internal combustion engine (2), and is used for a predetermined time period (t). The invention also relates to an injection device (1) which is configured to carry out the method described above. The invention also relates to an internal combustion engine having such an injection device.

Description

technical field [0001] The invention relates to a method for operating an injection system, in particular a direct injection system, of an internal combustion engine. The invention also relates to such an injection device as well as to an internal combustion engine. Background technique [0002] Internal combustion engines are increasingly being optimized with regard to fuel consumption due to increased demands on reducing CO2 emissions. However, known internal combustion engines may not be operated optimally with regard to consumption at operating points with high loads, since such operation is limited by the tendency to knock and high exhaust gas temperatures. A possible measure for reducing the tendency to knock and for reducing the temperature of the exhaust gas is water injection. In this case, a separate injection system is usually present in order to be able to carry out the water injection. The water can be injected either directly into the combustion chamber or i...

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
IPC IPC(8): F02D19/12F02B47/02
CPCF02D19/12F02B47/02F02M25/0228F02M25/0227F02D41/0025F02D41/3005
Inventor A·富克斯鲍尔I·布拉克R·韦里诺T·霍尔曼
Owner ROBERT BOSCH GMBH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com