序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
81 | Fuel system for a mixture-compressing, spark ignited four cycle internal combustion engine with charge stratification | US954122 | 1978-10-24 | US4258681A | 1981-03-31 | Dusan Gruden; Uwe Markovac |
A fuel system for a mixture-compressing, spark-ignited four cycle internal combustion engine with charge stratification of the type wherein a major portion of the charge is introduced into a main combustion chamber as a lean fuel-air mixture by a main mixture forming system such as a carburetor and wherein the remainder of the charge is introduced into an auxiliary combustion chamber joined to the main combustion chamber via a firing channel by an auxiliary combustion chamber injection pump and injection nozzle is improved by the provision of only a single fuel feed pump which is connected to the fuel tank and supplies fuel from the tank directly to the injection pump at a first pressure and supplies fuel to the main mixture forming system via a pressure reducing valve at a second pressure that is lower than the first pressure. According to a preferred embodiment, the single fuel feed pump supplies fuel to the injection pump at a pressure of 1 bar and the pressure-reducing valve is a pilot valve that reduces the pressure of fuel supplied to it to 0.2 bar. | ||||||
82 | Fuel injection apparatus | US942416 | 1978-09-14 | US4224915A | 1980-09-30 | Klaus-Dieter Emmenthal; Otto Schafer; Rudolf-Helmut Strozyk |
Apparatus for injecting fuel into the intake pipes of an internal combustion engine. The apparatus has an air channel branching off from the intake line at a point ahead of an adjustable throttle flap; a fuel metering device supplying fuel to the air channel in dependence upon engine load; and a fuel delivery pump arranged to receive a fuel-air mixture from the air channel through a narrowed constriction. The fuel pump passes the fuel-air mixture, with additional air which may be supplied thereto, to a fuel distributor which directs the mixture to the individual intake pipes of the engine. | ||||||
83 | Fuel distribution in internal combustion engines | US839633 | 1977-10-05 | US4170205A | 1979-10-09 | Willy A. Fiedler |
In a low-pressure fuel control system increments of fuel and air flow from a vented receptacle sequentially into multiple fuel valves which are either actuated or responding to air pressure differentials and the latter can also be used for spark ignition. | ||||||
84 | Liquid fuel feed devices for internal combustion engines | US48956365 | 1965-09-23 | US3330543A | 1967-07-11 | LOUIS MENNESSON ANDRE |
85 | Internal-combustion engine | US51535443 | 1943-12-23 | US2534346A | 1950-12-19 | FENNEY WILLIAM N |
86 | Charge forming device | US47473643 | 1943-02-04 | US2416906A | 1947-03-04 | CHANDLER MILTON E |
87 | Pump | US46888330 | 1930-07-18 | US1938854A | 1933-12-12 | MOULE JEAN LOUIS LEON ALEXANDR |
88 | Carburetor | US15057526 | 1926-11-24 | US1642065A | 1927-09-13 | FINKE HERMAN A |
89 | keilholtz | US1455790D | US1455790A | 1923-05-22 | ||
90 | 手持ち式エンジン作業機の燃料調整方法 | JP2012076440 | 2012-03-29 | JP5747416B2 | 2015-07-15 | 山下 良平; 山崎 明; 渡辺 秀樹; 斉藤 保; 野中 匠 |
91 | Fuel adjusting method of hand-held engine working machine | JP2012076440 | 2012-03-29 | JP2013204552A | 2013-10-07 | YAMASHITA RYOHEI; YAMAZAKI AKIRA; WATANABE HIDEKI; SAITO TAMOTSU; NONAKA TAKUMI |
PROBLEM TO BE SOLVED: To obtain satisfactory and stable operation by dealing with even sudden load variable without time delay, by automatically adjusting an opening degree of a solenoid valve before performing actual work after engine start and by providing a proper air-fuel ratio.SOLUTION: After an engine 7 is started, when being within a fuel flow rate adjustment rotating speed range applying a fixed load in a work rotating speed range of the engine 7 where a throttle valve 4 is opened for a fixed opening degree, a detected rotating speed is fed back with respect to a target rotating speed, a fuel flow rate is adjusted by controlling an opening degree of a solenoid valve 3 of a vaporizer 1 to control the detected rotating speed, and the valve opening degree is determined to achieve the target rotating speed. By operating at the determined valve opening degree, a combustion state of a fuel in the engine 7 is brought into best state. | ||||||
92 | Internal combustion engine | JP2010546179 | 2009-02-04 | JP2011512474A | 2011-04-21 | グルーバー,フリードリッヒ |
圧縮装置(2)を備えた内燃機関(1)を運行する方法が開示されている。 空気/燃料混合物は、圧縮装置(2)内で圧縮される。 内燃機関(1)のシリンダ(3)へ供給される空気/燃料混合物の空気/燃料混合比λ
2は、内燃機関(1)の負荷(P)の関数として変動する。 内燃機関(1)の圧縮装置(2)内で圧縮される空気/燃料混合物の空気/燃料混合比λ
1は、シリンダ(3)に供給される空気/燃料混合物の空気/燃料混合比λ
2よりも大きい。 この方法は、圧縮装置(2)内で圧縮される空気/燃料混合物の空気/燃料混合比λ
1が、圧縮装置(2)内、及び/又は圧縮装置(2)の上流の物理条件下では、引火しないように選択されることを特徴としている。
【選択図】図2 |
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93 | Fuel injection system | JP2004212664 | 2004-07-21 | JP3994990B2 | 2007-10-24 | 義博 堀田; 清美 河村; 佳史 脇坂 |
94 | Fuel injection device | JP2004212664 | 2004-07-21 | JP2006029281A | 2006-02-02 | HOTTA YOSHIHIRO; WAKIZAKA YOSHIFUMI; KAWAMURA KIYOMI |
PROBLEM TO BE SOLVED: To improve the sharpness of an injection finish of fuel when a needle closes an injection hole. SOLUTION: Flow passage area A1 of a fuel supply orifice 61 is set to be smaller than a flow passage area A2 of an injection control chamber orifice 33. Thus, in the valve closing process in which the needle 51 closes the injection hole 23, fuel pressure is supplied from a common accumulator 2 to a fuel sump 52 and an injection control chamber 3 so that pressure for supplying fuel to the fuel sump 52 is lower than that to the injection control chamber 3. In the valve closing process, therefore, force to an injection hole 23 side acting on the needle 51 can be increased, and valve closing speed of the needle 51 can be increased. COPYRIGHT: (C)2006,JPO&NCIPI | ||||||
95 | Air/fuel control device for fuel injection engine | JP26224194 | 1994-10-26 | JPH07180641A | 1995-07-18 | RONARUDO ETSUCHI ROTSUCHI |
PURPOSE: To load this device suitably for a small boat being safe and easy in manufacture and assembly by a method wherein a fuel pump, a fuel supply passage to supply high pressure fuel to a fuel injector, and a low pressure fuel metering chamber are disposed at a common body. CONSTITUTION: A supply air passage having a supply air valve opened by a cam drive mechanism is formed at the cylinder head of an outboard prime mover. Fuel from a tank is supplied to a fuel pump 26 through a metering mechanism 22 and a fuel filter 24, and after boosting, the fuel is supplied through a fuel feed passage 30 to a fuel injector in an intake passage. A fuel pressure supplied to the injector is controlled by a fuel pressure regulator 76 and excessive fuel is returned to the metering mechanism 22. Meanwhile, combustion air is supplied to the supply air passage through a throttle body 34, a supply air chamber 36, and a ram tube 38. The metering mechanism 22 is provided with a vaporized air separator 42 containing a vaporized fuel dome 88, and separated vaporized air is injected to an air passage 82 situated downstream from a throttle valve 84 through a delivery port 92. COPYRIGHT: (C)1995,JPO | ||||||
96 | Fuel injector | JP3058186 | 1986-02-14 | JPS61247863A | 1986-11-05 | KAARU AARU GUURETSUTO |
97 | JPS616290Y2 - | JP5144279 | 1979-04-19 | JPS616290Y2 | 1986-02-25 | |
98 | Control device of feed pressure to fuel injection valve | JP3787781 | 1981-03-18 | JPS57153962A | 1982-09-22 | SHIOYAMA GIICHI |
PURPOSE:To prevent a decrease of flow speed of fuel fed from a low pressure fuel injection valve, by changing area of an orifice in the upstream of a throttle valve bypass passage at high load operation in accordance with a decrease of intake negative pressure. CONSTITUTION:A solenoid valve 16, varying air orifice area, is provided to an air orifice 15 in the inlet of a bypass passage 12, and an electric signal from an intake negative pressure sensor 17, detecting intake negative pressure in an intake pipe 7, is input to a solenoid valve control circuit 18, then fully or partially of fuel in lines of low speed, acceleration, starting and output is fed by a low pressure fuel injection valve 11 to arrange the amount, added with a feed amount of the main fuel system, equal to a required fuel amount of an engine. For negative pressure in the intake pipe at higher negative pressure side from pressure in a certain value P, the solenoid valve 16 is controlled to be fully opened, then in a range of 10 mode acceleration operation, delivery pressure of the fuel injection valve can be held to constant. | ||||||
99 | Electronically controlled carburetor | JP5566879 | 1979-05-09 | JPS55148924A | 1980-11-19 | SHIOYAMA GIICHI |
PURPOSE: To improve control accuracy through a simple construction, by setting an air fuel ratio of the main fuel system at a relatively smaller valve than a desired ratio and increasing the quantity of fuel through an auxiliary fuel feed valve, which controls the fuel of a slow system and a starting system etc., to attain the desired air fuel ratio. CONSTITUTION: Various signals S 1WS 9 corresponding to the driving variables of an engine are input into a digital calculation and processing unit 10 to determine the load on the engine. A target air fuel ratio for the control is set depending on the determined load. A mixture with a fixed air fuel ratio thinner than the target ratio is supplied through a main fuel feed means comprising a float chamber 33, a main jet portion 34 and a main air bleeder 35. Fuel, and the amount of the fuel supplied according to an instruction signal C 1 is supplied through an auxiliary fuel feed means comprising an auxiliary fuel feed valve 27 and an electromagnetic pump 28 in addition to said mixture supplied from the main fuel feed system, to attain the target air fuel ratio for the control. COPYRIGHT: (C)1980,JPO&Japio | ||||||
100 | Fuel injector | JP10412479 | 1979-08-17 | JPS5529096A | 1980-03-01 | JIENE IEN UEN |