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1. 发明授权

US5690078A Injection system for an internal combustion engine 失效
标题翻译：内燃机喷射系统
公开(公告)号：US5690078A
公开(公告)日：1997-11-25
申请号：US727305
申请日：1996-10-08
申请人： Herwig Ofner
发明人： Herwig Ofner
IPC分类号： F02M21/02 , F02B43/00
CPC分类号： F02M21/0224 , F02D19/022 , F02M21/0212 , F02M21/0245 , F02M21/0287 , F02M21/0242 , F02M21/0254 , F02M21/0275 , F02M63/0007 , Y02T10/32
摘要： In order to increase the safety of an injection system in an internal combustion engine operating on self-igniting liquefied gas as a fuel, especially after the engine has been switched off, the proposal is put forward that at least one pressurized part of the injection system be depressurized by means of a shut-down device, the latter including at least one pressure relief line which is controlled by at least one valve and opens into a tank with a low pressure level.
摘要翻译：为了提高在作为燃料的自燃液化气作为燃料的内燃机中的喷射系统的安全性，特别是在发动机关闭后，提出了喷射系统的至少一个加压部分通过关闭装置减压，后者包括至少一个压力释放管线，该排泄管线由至少一个阀门控制并且打开到具有低压力水平的罐中。

2. 发明授权

US5058614A Device for controlling the lift of a hydraulically operated valve 失效
标题翻译：用于控制液压操作阀提升的装置
公开(公告)号：US5058614A
公开(公告)日：1991-10-22
申请号：US525712
申请日：1990-05-21
申请人： Diethard Plohberger , Volker Pichl , Herwig Ofner
发明人： Diethard Plohberger , Volker Pichl , Herwig Ofner
IPC分类号： F02M47/00 , F01L9/02 , F02M61/08 , F02M61/10 , F15B15/00 , F15B15/24 , F16K31/122
CPC分类号： F01L9/02 , Y10T137/0318
摘要： In a device for controlling the lift of a hydraulically operated valve comprising an actuating element which is pressure-loaded or spring-loaded in closing direction and which acts as the boundary of an actuating chamber in the valve cage, and further comprising a pressure-generating unit, the valve lift is made continuously adjustable, independent of the control times of the valve, by providing that a flying setting plunger be used, which is guided in a cylinder, and which bounds a pressure from the actuating chamber in the valve cage, and by further providing that the pressure-generating unit have a high pressure line controlled by a valve and leading into the pressure chamber, as well as a low pressure line controlled by another valve and leading into the actuating chamber, the setting plunger being pressed against a stop in the cylinder during maximum valve lift.
摘要翻译：在用于控制液压操作阀的升程的装置中，包括致动元件，所述致动元件在关闭方向上受压力或弹簧加载，并且作为阀笼中的致动室的边界，并且还包括压力产生单元，通过提供使用在气缸中引导并且限制来自阀笼中的致动室的压力的飞行设置柱塞，气门升程连续可调，与阀的控制时间无关，并且通过进一步提供压力发生单元具有由阀控制并且进入压力室的高压管线以及由另一阀门控制并进入致动室的低压管线，设定柱塞被压靠在最大气门升程期间在气缸中停止。

3. 发明授权

US5690077A Injection system for an internal combustion engine 失效
标题翻译：内燃机喷射系统
公开(公告)号：US5690077A
公开(公告)日：1997-11-25
申请号：US620570
申请日：1996-03-22
申请人： Herwig Ofner , Peter Herzog
发明人： Herwig Ofner , Peter Herzog
IPC分类号： F02M21/02
CPC分类号： F02M21/0287 , F02D19/022 , F02M21/0212 , F02M21/0245 , F02M21/0263 , F02M21/0254 , Y02T10/32
摘要： To provide an injection system for an internal combustion engine operating on self-igniting liquefied gas as a fuel, and to minimize cavitation and related problems of fuel delivery as well as wear, the fuel tank is configured as a low-pressure storage tank which is connected to a pressure control unit maintaining a constant interior pressure at a level above that of the vapor pressure of the liquefied gas, preferably at 6 to 30 bar, approximately, and further the injection system is configured as a leakage-free system.
摘要翻译：为了提供一种在自燃液化气作为燃料运行的内燃机的喷射系统，并且最小化气蚀和燃料输送以及磨损的相关问题，燃料箱被配置为低压储罐连接到压力控制单元，其保持恒定的内部压力，其水平高于液化气体的蒸汽压力的水平，优选为6至30巴，并且进一步将喷射系统配置为无泄漏系统。

4. 发明授权

US5678524A Injection system for an internal combustion engine 失效
标题翻译：内燃机喷射系统
公开(公告)号：US5678524A
公开(公告)日：1997-10-21
申请号：US644500
申请日：1996-05-10
申请人： Herwig Ofner , Denis Walter Gill
发明人： Herwig Ofner , Denis Walter Gill
IPC分类号： F02M21/02 , F02M59/14 , F02M21/04
CPC分类号： F02M21/0245 , F02M21/0212 , F02M59/14 , F02M21/0224 , F02M21/0275 , F02M21/029 , Y02T10/32
摘要： An injection system for an internal combustion engine, in particular an engine operating on liquid gas as fuel or fuel component, includes an injection unit for each cylinder for direct fuel injection into the combustion chamber, and a fuel supply system with at least one fuel tank and an oscillating pump element configured as a displacer for delivery of the fuel. The pump element is provided with an elastic sealing element fitted in a housing and which divides a pump chamber into two subchambers sealed tightly against each other, the first subchamber being supplied with fuel via a fuel feed line of the fuel supply system, and the second subchamber being supplied with a secondary medium. The dead volumes of the pump element may be reduced by configuring the pump chamber as an annular chamber at least partially surrounding a shaft moving axially in a cylinder, which shaft is mechanically linked with the sealing element.
摘要翻译：用于内燃机的喷射系统，特别是作为燃料或燃料部件的液体气体的发动机包括用于每个气缸的喷射单元，用于直接燃料喷射到燃烧室中，以及具有至少一个燃料箱的燃料供给系统以及构造为用于输送燃料的置换器的振荡泵元件。泵元件设置有弹性密封元件，其装配在壳体中，并且将泵室分成两个彼此紧密密封的子室，第一子室经由燃料供应系统的燃料供给管线供应燃料，第二子室子室被提供有次级介质。泵元件的死体积可以通过将泵室构造为至少部分地围绕在气缸中轴向移动的轴的环形室来减小，该轴与密封元件机械连接。

5. 发明授权

US06176225B1 Injection system 有权
标题翻译：注射系统
公开(公告)号：US06176225B1
公开(公告)日：2001-01-23
申请号：US09324863
申请日：1999-06-03
申请人： Theodor Sams , Herwig Ofner
发明人： Theodor Sams , Herwig Ofner
IPC分类号： F02M2102
CPC分类号： F02B43/00 , F02B3/06 , F02M53/02 , Y02T10/16 , Y02T10/32
摘要： The present invention relates to an injection system for an internal combustion engine operating on self-igniting, liquefied petroleum gas and including at least one injector per cylinder for direct fuel injection into the combustion chamber, a fuel tank in which fuel is held at a feed pressure, and a high-pressure fuel pump delivering fuel to the injector, the pressurized parts of the injector system being connected with the fuel tank by means of pressure relief lines. In order to ensure safe operation in a simple manner the proposal is put forward that a heating device should be provided which will convert the liquefied gas, at least partially, into a gaseous phase, at least in certain sections of the pressurized parts of the injection system. The gas bubble produced during this process will convey the liquid phase of the liquefied petroleum gas into the fuel tank.
摘要翻译：本发明涉及一种用于自燃液化石油气的内燃机的喷射系统，并且包括至少一个喷射器，每个气缸用于直接燃料喷射到燃烧室中;燃料箱，燃料被保持在进料口压力和将燃料输送到喷射器的高压燃料泵，喷射器系统的加压部分通过压力释放线与燃料箱连接。为了简单地确保安全运行，提出了提出一种加热装置，该加热装置至少部分地将液化气体至少部分地转化成气相，至少在注入的加压部分的某些部分系统。在此过程中产生的气泡将液化石油气的液相输送到燃料箱中。

6. 发明授权

US5967126A Injection system for an internal combustion engine operated with liquefied petroleum gas 失效
标题翻译：用液化石油气运行的内燃机喷射系统
公开(公告)号：US5967126A
公开(公告)日：1999-10-19
申请号：US102661
申请日：1998-06-23
申请人： Herwig Ofner
发明人： Herwig Ofner
IPC分类号： F02M21/02 , F02M55/02 , F02M61/16 , F02M63/00
CPC分类号： F02M21/0275 , F02M21/0212 , F02M21/0245 , F02M21/0251 , F02M21/0236 , Y02T10/32
摘要： The present invention relates to an injection system for an internal combustion engine operated with liquefied petroleum gas and with a plurality of injection nozzles for the direct injection of fuel into the cylinders of the internal combustion engine, which injection system comprises the following:a fuel supply system in which fuel is held under a gas pressure;a high-pressure pump in order to make fuel available which stands under injection pressure;a high-pressure line which is connected with the high-pressure pump in order to supply the fuel being under injection pressure to the injection nozzles.A secure operation is achieved in such a way that a control line is provided further which can optionally be brought into connection with the injection nozzles, with fuel being present in the control line having a pressure which is higher than the gas pressure.
摘要翻译：本发明涉及一种用液化石油气操作的内燃机的喷射系统，以及用于将燃料直接喷射到内燃机的汽缸中的多个喷嘴，该喷射系统包括：燃料供给燃料在气体压力下保持的系统; 一个高压泵，用于使燃油可用，处于注射压力下; 高压管线，其与高压泵连接，以将被喷射压力的燃料供给到喷嘴。实现安全操作，使得进一步设置控制线，其可以可选地与喷嘴连接，其中存在于控制线中的燃料具有高于气体压力的压力。

7. 发明授权

US5857448A Injection system for an internal combustion engine 失效
标题翻译：内燃机喷射系统
公开(公告)号：US5857448A
公开(公告)日：1999-01-12
申请号：US855484
申请日：1997-05-13
申请人： Herwig Ofner , Peter Herzog
发明人： Herwig Ofner , Peter Herzog
IPC分类号： F02M21/02
CPC分类号： F02M21/0212 , F02D19/022 , F02M21/0221 , F02M21/0245 , F02M21/0287 , F02M21/0254 , F02M21/0263 , F02M21/0275 , Y02T10/32
摘要： To provide an injection system for an internal combustion engine operating on self-igniting liquefied gas as a fuel, and to minimize cavitation and related problems of fuel delivery as well as wear, the fuel tank is configured as a low-pressure storage tank which is connected to a pressure control unit that includes a fuel pumping unit for drawing fuel from the storage tank and delivering the fuel to the suction line of the fuel delivery device and a pressure release line which branches off the suction line and leads back to the storage tank, the pressure release line including a release valve for maintaining a constant interior pressure in the suction line above the vapor pressure of the liquefied gas. The injection system is configured as a leakage-free system.
摘要翻译：为了提供一种在自燃液化气作为燃料运行的内燃机的喷射系统，并且最小化气蚀和燃料输送以及磨损的相关问题，燃料箱被配置为低压储罐连接到压力控制单元，该压力控制单元包括用于从储罐抽取燃料并将燃料输送到燃料输送装置的吸入管线的燃料抽吸单元和从吸入管线分支并引导回储存罐的压力释放管线所述压力释放管线包括释放阀，用于将所述吸入管线内的恒定的内部压力保持在所述液化气体的蒸气压以上。注射系统配置为无泄漏系统。

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