Self-igniting internal combustion engine with gaseous fuel supply system with pilot oil injection
A gas fuel, self-ignition technology, applied in the charging system, internal combustion piston engine, combustion engine and other directions, can solve problems such as difficult to achieve, achieve the effect of convenient timing control and reduce pilot fuel consumption
Active Publication Date: 2019-06-04
曼能解决方案(曼能解决方案德国股份公司)分公司
View PDF9 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Such a small amount of dosing, while still being able to deliver the large number of fuel valves required for operation under full load, poses important technical problems and is very difficult to achieve in practice, and therefore in existing engines The medium pilot oil dose has a larger than expected amount per oil injection event
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0030] In the following detailed description, a self-ignition internal combustion engine will be described in example embodiments with reference to a large two-stroke low speed turbocharged internal combustion (diesel) engine. figure 1 , figure 2 with image 3 A large low speed turbocharged two stroke diesel engine with crankshaft 42 and crosshead 43 is shown. image 3 A schematic diagram of a large low-speed turbocharged two-stroke diesel engine with an intake and exhaust system is shown. In this example embodiment, the engine has six cylinders 1 in a line. Large low-speed turbocharged two-stroke diesel engines typically have between four and fourteen in-line cylinders carried by the engine frame 13 . The engine may, for example, be used as the main engine in an ocean-going vessel or as a stationary engine for operating a generator in a power station. The total output of the engine may, for example, range from 5,000 kW to 110,000 kW.
[0031] In this example embodiment,...
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
Login to View More Abstract
The present invention provides a self-ignition internal combustion engine with a gas fuel supply system for pilot oil injection. The engine has a plurality of cylinders (1) and is provided with a gas fuel supply system. The cylinder (1) is provided with at least one gaseous fuel valve (50) for injecting gaseous fuel from the outlet of the fuel valve (50) into the associated cylinder (1). At least one gas fuel valve (50) has an inlet connected to a gas fuel supply conduit (62, 63, 64) that supplies pressurized gas fuel to the gas fuel valve (50). The engine also includes at least one dedicated pilot oil valve (55) for each cylinder (1). A dedicated pilot oil valve (55) has an inlet connected to a source of pressurized pilot oil (57) and an outlet for injecting pilot oil fuel into the gaseous fuel supply conduits (62, 63, 64).
Description
technical field [0001] The present invention relates to a self-ignition internal combustion engine with a gas fuel supply system, in particular to a large low-speed single-flow turbocharged two-stroke internal combustion engine with a gas fuel supply system and pilot oil (ignition initiator) injection. Background technique [0002] Large crosshead low-speed two-stroke diesel engines are commonly used in the propulsion systems of large ships or as prime movers in power plants. Very often, these engines are run on heavy fuel oil or fuel oil. [0003] Currently, there is a need for large two-stroke diesel engines that can operate on alternative types of fuel, such as gas, coal slurry, petroleum coke, etc., especially gas. [0004] Gaseous fuels such as natural gas when used as fuel for large low-speed single-flow turbocharged two-stroke internal combustion engines are significantly lower levels of sulfur groups produced in exhaust gases when compared to, for example, heavy fue...
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
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F02D19/10
CPCY02T10/12Y02T10/30F02D19/10F02M21/0254F02M21/0278F02M21/0281F02M55/02
Inventor 尼尔斯·维特费尔特·拉斯穆森
Owner 曼能解决方案(曼能解决方案德国股份公司)分公司