• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A system for use of gas, like LPG, as secondary fuel in diesel engines is concerned. Normally aspirated and pressure charged engines with exhaust gas driven charging, with End-speed or All-speed governors or with common-rail-fuel injection systems are all included. A signal (24,25) proportional to the momentary effective fuel consumption controls the gas supply (20) to the engine (1). A valve (19) in the gas supply (18) is connected to the control lever (16) of the engine governor (12) to allow gas supply only in a load range above approximately 25 % and up to a maximum of approximately 40 % of the full load total fuel consumption. In the lower load range uncomplete combustion of the gas thus is avoided, in the higher load range both detonation and overload are avoided and the opacity of the exhaust is improved. The consumption of liquid fuel is reduced and the exhaust gas composition is improved. An adjustable stop (28,29) limits the maximum injectable liquid fuel quantity when the engine is operated in the dual-fuel-mode. The system is designed to be both retrofittable to existing engines and fittable to factory new engines.
    公开号:SU1613001A3
    申请号:SU833632199
    申请日:1983-08-11
    公开日:1990-12-07
    发明作者:Болтерс Лендерт
    申请人:Недерландзе Сентрале Организати Фор Тегепаст-Натурветеншаппелийк Ондерцоек (Фирма)；
    IPC主号:
    专利说明:

    Compiled by V. Kozlov
    ...., K. corrector; t. lad
    Zshaz 3836 Circulation 439 subscription G
    VNIIPI State Committee for Inventions and Discoveries at the State Committee for Science and Technology of the USSR i-iUJ5, Moscow, Zh-35, 4/5 Raushsk Nab.
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    权利要求:
    Claims (7)
    [1]
    1. A device for using gas as an additional fuel in a diesel engine of predominantly autotractor type, containing a mixer for forming a mixture of air and additional gas fuel, installed in the intake manifold of the engine equipped with a filter, gas pressure regulator with a special power drive; connected through the gas line to the mixer, and the dosing body of the gas fuel supply, connected through a kinematic connection to the control lever of the speed or load regulator installed on the fuel pump, having a supply limiter and communicated with the pipeline supply of diesel fuel, which is characterized by the fact that, in order to increase efficiency by coordinating the supply of diesel and ha. fuel oil with engine operating modes, the device is equipped with a signal supply unit proportional to the instantaneous consumption of diesel fuel, which is connected to a gas pressure regulator, the signal supply unit is equipped with a direct or "indirect flow sensor, and the supply limiter is remotely controlled.
    [2]
    2. The device according to claim 1, characterized in that the dosing body for supplying gas fuel is provided
    (corrective throttle valve, configured to completely shut off the gas supply at approximately 25% engine load and
    20
    25
    thirty
    35
    40
    45
    50
    ten
    15
    smooth increase of giving with increase in loading.
    [3]
    3. The device according to PP. 1 and 2, which differs from the fact that the kinematic connection between the dosing unit of the gas fuel supply and the lever of the regulator is made in the form of a system of articulated levers, one of which is placed between the two extreme levers, is connected. The cut drive to the pressure regulator is gas and is made in the form of a balancer, one of the extreme levers being articulated with the dispensing unit, and the other with the regulating lever.
    [4]
    4. The device according to PP, 1-3, characterized in that when it is used on an engine with supercharging due to the energy of exhaust gases, the mixer is installed in the intake pipe between the filter and the supercharger, which can be used to drive energy from the exhaust gases.
    [5]
    5. The device according to claims 1-4, which is based on the fact that the sensor is not mediocre consumption of diesel fuel is made in the form of a fuel meter, equipped with a counter of the difference between the fuel flows and a pipeline for returning excess diesel fuel connected to the fuel pump and to the tank with diesel fuel
    [6]
    6. The device according to claims 1-4, which is based on the fact that the indirect diesel fuel consumption sensor is made in the form of a sensitive element with a diesel fuel injection pressure sensor and is connected to the gas pressure regulator via a control signal converter.
    [7]
    7. The device according to claims 1-4, which is based on the fact that when used on an engine with supercharging due to the energy of the exhaust gases .. the sensor of indirect consumption of diesel fuel is made in the form of a supercharging pressure sensor placed on the exhaust from the supercharger and connected to the gas pressure regulator through the control signal converter
    1613001
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    类似技术:
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    同族专利:
    公开号 | 公开日
    AT34015T|1988-05-15|
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    US4517928A|1985-05-21|
    EP0102119A1|1984-03-07|
    BR8304334A|1984-03-20|
    ZA835922B|1984-04-25|
    JPS5949344A|1984-03-21|
    AU548811B2|1986-01-02|
    CA1213484A|1986-11-04|
    IN161555B|1987-12-26|
    EP0102119B1|1988-05-04|
    DE3376492D1|1988-06-09|
    AU1787883A|1984-02-16|
    引用文献:
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    US2544978A|1949-01-18|1951-03-13|Worthington Pump & Mach Corp|Multiple fuel internal-combustion engine|
    US2558884A|1949-12-15|1951-07-03|Worthington Pump & Mach Corp|Temperature controlled air throttling apparatus and method for controlling supply ofair to internal-combustion engines|
    US2908258A|1956-06-13|1959-10-13|Fairbanks Morse & Co|Fuel control mechanism for diesel engines|
    CH483562A|1967-11-10|1969-12-31|Sulzer Ag|Method for introducing fuel into the working cylinder of a multi-cylinder piston internal combustion engine and device for carrying out the method|
    CH535376A|1971-03-10|1973-03-31|Sulzer Ag|Power plant with a diesel internal combustion engine for operation with liquid fuel and with gas|
    GB1370619A|1971-12-15|1974-10-30|Exxon Research Engineering Co|Operation of compression-ignition engines|
    IT957143B|1972-01-14|1973-10-10|Tartarini Sas|MIXED DIESEL AND LPG FUEL SYSTEM FOR DIESEL ENGINES|
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    AU6214373A|1972-11-10|1975-05-08|Calor Gas Ltd|Fuel supply control systems for diesel engines|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    NL8203169A|NL8203169A|1982-08-12|1982-08-12|SYSTEM FOR USING GAS AS A SECOND FUEL IN DIESEL ENGINES.|
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