公开(公告)号：WO2019051559A1

公开(公告)日：2019-03-21

申请号：PCT/AU2018/051009

申请日：2018-09-14

Applicant: ORBITAL AUSTRALIA PTY LTD

Inventor： WOOLFORD, Richard Albert

IPC: F02D7/02 ,  F02M67/02 ,  F02M69/08

Abstract: A method of operating an internal combustion engine system (10) having a fuel injection system (16) including a fluid delivery means (72) operable to deliver a fuel entrained in gas directly into a combustion chamber (26). The method comprises supplying pressurised gas to the fluid delivery means (72) from a gas supply system (90), and regulating gas pressure in the gas supply system (90). The gas pressure in the gas supply system (90) may be regulated during a lag period between commencement of engine cranking and the delivery of fuel at a requisite fuel pressure to the fuel injection system (16). Regulating gas pressure in the gas supply system (90) comprises opening the fluid delivery means (72) to selectively allow gas to pass into the combustion chamber (26) to relieve pressure in the gas supply system (90). Optionally, regulating gas pressure in the gas supply system (90) may also comprise opening the fluid delivery means (72) to selectively allow pressurised gas to flow from the combustion chamber (26) to the gas supply system so as to pressurise the gas supply system (90).

公开(公告)号：WO2017161422A1

公开(公告)日：2017-09-28

申请号：PCT/AU2017/050261

申请日：2017-03-23

Applicant: ORBITAL AUSTRALIA PTY LTD

Inventor： CATHCART, Geoffrey Paul ,  KARAY, Stephen John ,  CALEY, David James

IPC: F02M69/16 ,  F02M55/00 ,  F02M61/14 ,  F02M67/02

Abstract: A dual fluid injection system (10) which comprises a liquid fuel metering device (11), a fluid delivery device (13), and apparatus (15) providing an interface (20) therebetween. The interface (20) conveys liquid fuel received from the metering device (11) to a mixing zone (23) for mixing with air received from a pressurised supply to provide an air-fuel mixture for injection by the fluid delivery device (13) into a combustion chamber of an internal combustion engine. The interface (20) establishes a flow path (21) along which a metered quantity of liquid fuel can be transported and delivered into a mixing zone (23) for mixing with a volume of air to create the air-fuel mixture. The flow path (21) may involve a directional change by way of a turn section (25). The flow path (21) is sized such that liquid fuel is retained therein by virtue of capillary action, whereby a quantity of liquid fuel is retained after a delivery event such that the flow path (21) remains substantially filled with liquid fuel in readiness for the next delivery event during operation of the engine.

Abstract translation: 双流体注射系统（10）包括液体燃料计量装置（11），流体输送装置（13）和在其间提供界面（20）的装置（15）。 接口（20）将从计量装置（11）接收的液体燃料输送到混合区域（23），用于与从加压供应装置接收的空气混合，以提供空气燃料混合物以通过流体输送装置（13）注入 内燃机的燃烧室。 界面（20）建立了流动路径（21），沿着该流动路径可以将计量的液体燃料输送并输送到混合区域（23）中，用于与一定体积的空气混合以产生空气 - 燃料混合物。 流动路径（21）可以涉及通过转弯部分（25）的方向改变。 流动路径（21）的大小设置成使得液体燃料通过毛细管作用保持在其中，由此在输送事件之后保留一定量的液体燃料，使得流动路径（21）基本保持充满液体燃料以准备好 发动机运行期间的下一个交付事件。

公开(公告)号：WO2014205505A1

公开(公告)日：2014-12-31

申请号：PCT/AU2014/000680

申请日：2014-06-27

Applicant: ORBITAL AUSTRALIA PTY LTD

Inventor： CALEY, David James ,  KARAY, Steve

IPC: F02M61/18 ,  F02M61/08 ,  F02M21/02

CPC classification number: F02M21/0269 ,  F02M21/0212 ,  F02M21/0215 ,  F02M21/0275 ,  F02M45/12 ,  Y02T10/32

Abstract: There is provided a fluid injector comprising an injector body having a nozzle defining an outlet, a fluid path for fluid flow through the nozzle for delivery at the outlet, a valve for opening and closing the flow path with respect to fluid flow. The valve comprises a valve member and a valve seat, the valve member being movable into and out of sealing engagement with the valve seat for closing and opening the flow path with respect to fluid flow. The valve member and a portion of the nozzle surrounding the valve member together providing a flow restriction when the valve is in an open condition to control the flow rate of fluid to the outlet of the nozzle.

Abstract translation: 提供了一种流体注射器，其包括具有限定出口的喷嘴的喷射器主体，用于流体流过喷嘴的流体路径，用于在出口处输送，用于相对于流体流动打开和关闭流路的阀。 阀包括阀构件和阀座，阀构件可移动进入和离开与阀座的密封接合，用于相对于流体流动闭合和打开流动路径。 阀构件和围绕阀构件的喷嘴的一部分一起在阀处于打开状态时提供流量限制，以控制流体到喷嘴出口的流速。

公开(公告)号：WO2013181709A1

公开(公告)日：2013-12-12

申请号：PCT/AU2013/000605

申请日：2013-06-07

Applicant: ORBITAL AUSTRALIA PTY LTD

Inventor： BARBER, Terran Ambrose ,  TUBB, John Howard ,  CATHCART, Geoffrey Paul ,  FREW, Robert Walter ,  RAILTON, Donald Andrew

IPC: B64C39/00 ,  B64C39/02 ,  F01M1/02 ,  F01M1/14 ,  F01M5/02 ,  F16N13/00

CPC classification number: F01M1/02 ,  F01M1/16 ,  F01M5/001 ,  F01M2001/0215

Abstract: An unmanned aerial vehicle (UAV) engine (40) lubrication system and lubrication oil heating strategy uses a solenoid actuated electric oil pump (10,42) to deliver lubrication oil to the engine from a lubrication oil reservoir (12,44) by energising and de-energising the solenoid (18) to operate a pump mechanism of the electric oil pump. A controller (ECU) (100) can control operation of the electric oil pump, the solenoid maintained energised for a required period of time to cause heating of the oil without continuously pumping the oil. An electric oil pump control strategy can maintain engine speed dependent minimum oil delivery rates, can heat the electric oil pump and oil through extended energised (ON) time of the solenoid, and, by varying the turn on time of the electronic oil pump based on sensed ambient temperature, long time periods can be used to ensure oil delivery for cold temperatures, and shorter times are permitted when necessary in order to reach maximum oil flow rate.

Abstract translation: 无人飞行器（UAV）发动机（40）润滑系统和润滑油加热策略使用电磁致动电动油泵（10,42）从润滑油储存器（12,44）向发动机输送润滑油，通过通电和 使螺线管（18）断电以操作电动油泵的泵机构。 控制器（ECU）（100）可以控制电动油泵的操作，螺线管保持通电所需的时间段，以在不连续泵送油的情况下引起油的加热。 电油泵控制策略可以保持发动机转速相关的最小输油速度，可以通过螺线管延长的通电（ON）时间对电动油泵和油进行加热，并且通过改变电机油泵的通电时间 检测到的环境温度，可以使用长时间段来确保冷气的输送，并且在必要时允许更短的时间以达到最大的油流量。

公开(公告)号：WO2013003889A1

公开(公告)日：2013-01-10

申请号：PCT/AU2012/000774

申请日：2012-06-29

Applicant: ORBITAL AUSTRALIA PTY LTD ,  CALEY, David James

Inventor： CALEY, David James

IPC: F02B69/04 ,  F02D41/14 ,  F02M21/02 ,  F02M43/04 ,  F02M51/06 ,  F02M67/02 ,  F02M67/12 ,  F02M67/14

CPC classification number: F02M69/04 ,  F02B69/04 ,  F02D19/0613 ,  F02D19/0647 ,  F02D19/0692 ,  F02D19/0694 ,  F02D41/0027 ,  F02D2041/3881 ,  F02M21/0269 ,  F02M43/04 ,  F02M63/0285 ,  F02M67/02 ,  F02M67/12 ,  Y02T10/32 ,  Y02T10/36

Abstract: A method for fuelling an internal combustion engine, and a fuel system for delivering a variety of fuel types to the engine, configured to accommodate liquid fuels such as gasoline, ethanol or a blend thereof, and gaseous fuels such as CNG, LNG or LPG. The engine is configured to operate on any of the designated liquid fuels, and can switch between the liquid and gaseous fuels. The fuel system includes a common delivery arrangement, for selectively delivering fuel into the combustion chamber of each cylinder of the engine, comprising a fluid delivery injector and a liquid metering device configured for operation in concert. The same common fluid delivery injector is used for delivery of gaseous fuel only, delivery of liquid fuel only (by way of an air assist delivery process), or delivery of a fuel mixture comprising the gaseous fuel and the liquid fuel.

Abstract translation: 用于对内燃机进行加油的方法和用于将各种燃料类型输送到发动机的燃料系统，其被配置为容纳诸如汽油，乙醇或其混合物的液体燃料，以及诸如CNG，LNG或LPG的气态燃料。 发动机被配置为在任何指定的液体燃料上操作，并且可以在液体和气体燃料之间切换。 燃料系统包括用于将燃料选择性地输送到发动机的每个气缸的燃烧室中的公共输送装置，包括流体输送喷射器和配置为一致操作的液体计量装置。 相同的普通流体输送注射器仅用于输送气体燃料，仅输送液体燃料（通过空气辅助输送过程）或输送包含气态燃料和液体燃料的燃料混合物。

公开(公告)号：WO2013000031A1

公开(公告)日：2013-01-03

申请号：PCT/AU2012/000772

申请日：2012-06-29

Applicant: ORBITAL AUSTRALIA PTY LTD ,  BARBER, Terran Ambrose ,  WORTH, David Richard

Inventor： BARBER, Terran Ambrose ,  WORTH, David Richard

IPC: F02B69/02 ,  F02D41/00 ,  F02M21/02 ,  F02M45/00 ,  F02M67/14

CPC classification number: F02D19/0647 ,  F02B69/04 ,  F02D19/061 ,  F02D19/0615 ,  F02D19/0628 ,  F02D19/0689 ,  F02D19/0694 ,  F02D41/0025 ,  F02D41/0027 ,  F02D41/266 ,  F02D2400/11 ,  F02M21/0287 ,  F02M43/00 ,  F02M63/0225 ,  Y02T10/32 ,  Y02T10/36

Abstract: Conversion of an internal combustion engine fitted with a direct injection liquid fuel delivery system to a dual fuel system so that the engine can selectively operate on a primary liquid fuel or a secondary fuel. In a typical application, the primary liquid fuel comprises gasoline and the secondary fuel comprises a liquefied gaseous fuel such as LPG delivered to the engine in a liquid phase. The direct injection liquid fuel delivery system comprises a plurality of liquid fuel direct injectors (15) incorporated in a fuel rail (17) and operable in response to control signals received from an engine control unit (ECU), which is typically the OEM unit (21). The fuel rail (17) communicates with a liquid fuel supply line (13) to receive fuel delivery to the fuel injectors (15) and is fitted with a fuel pressure sensor (23). The conversion provides a dual fuel direct injection system (30) having a gaseous fuel supply (33) including a delivery line (35). The delivery line (35) communicates with a fuel selection valve (37) installed in the liquid fuel supply line (13). With this arrangement, either liquid fuel or a liquid phase of the gaseous fuel can be selectively delivered to the fuel rail (17) and the fuel injectors 15, according to the setting of the fuel selection valve 37. The conversion further involves installation of a supplementary control means in the form of a supplementary ECU (41) which operates in conjunction with the OEM ECU (21). The supplementary ECU (41) is configured to intercept signals from the pressure sensor (23) and to deliver a corresponding interception signal to the OEM ECU (21) to cause the OEM ECU to operate the fuel injectors (15) in a manner designated by supplementary ECU (41).

Abstract translation: 将配备有直接喷射液体燃料输送系统的内燃机转换为双燃料系统，使得发动机可以选择性地对初级液体燃料或二次燃料进行操作。 在典型的应用中，主要液体燃料包括汽油，二次燃料包括液化气体燃料，例如以液相输送到发动机的LPG。 直接喷射液体燃料输送系统包括结合在燃料轨道（17）中的多个液体燃料直接喷射器（15），并且响应于通常是OEM单元的发动机控制单元（ECU）接收的控制信号而可操作 21）。 燃料轨道（17）与液体燃料供应管线（13）连通，以接收燃料输送到燃料喷射器（15）并装配有燃料压力传感器（23）。 该转换提供具有包括输送管线（35）的气体燃料供应（33）的双燃料直接喷射系统（30）。 输送管线（35）与安装在液体燃料供应管线（13）中的燃料选择阀（37）连通。 利用这种布置，根据燃料选择阀37的设置，气态燃料的液体燃料或液相可以根据燃料选择阀37的设置选择性地输送到燃料导轨17和燃料喷射器15.转换还涉及安装 辅助控制装置，其形式为与OEM ECU（21）一起操作的辅助ECU（41）。 辅助ECU（41）被配置为拦截来自压力传感器（23）的信号并将相应的拦截信号传递给OEM ECU（21），以使得OEM ECU以下述方式操作燃料喷射器（15）： 辅助ECU（41）。

公开(公告)号：WO2013000030A1

公开(公告)日：2013-01-03

申请号：PCT/AU2012/000771

申请日：2012-06-29

Applicant: ORBITAL AUSTRALIA PTY LTD ,  UTLEY, Tyron Dean

Inventor： UTLEY, Tyron Dean

IPC: F02D19/02 ,  F02D45/00 ,  F02P5/15 ,  F02D41/04 ,  F02D21/02

CPC classification number: F02D41/1461 ,  F02D19/061 ,  F02D19/0634 ,  F02D19/0647 ,  F02D41/0025 ,  F02D41/0027 ,  F02D41/1456 ,  F02D41/345 ,  F02D2200/0612 ,  Y02T10/36 ,  Y02T10/44

Abstract: An engine control system (81) for inferring the composition of the gaseous fuel to compensate variations in the gas composition comprises an exhaust gas sensor (83) in communication with a flow path of the exhaust gas for measuring NOx emissions and Lambda in the exhaust gas at typically a full load condition. An engine control module (23) receives an indication of NOx emissions and Lambda in the exhaust gas from the exhaust gas sensor and references a suitable function, look-up table, or map to identify gaseous fuel composition from the parameters relating to the NOx emissions and Lambda in the exhaust gas received from the exhaust gas sensor. The measurement of each parameter (NOx emissions and Lambda in the exhaust gas) is then compared with the respective allowable range for that load condition and the timing of ignition of a combustible charge adjusted accordingly to provide compensation.

Abstract translation: 用于推断气体燃料的组成以补偿气体成分变化的发动机控制系统（81）包括与用于测量NOx排放物的排气的流路连通的排气传感器（83）和废气中的λ 在典型的满载条件下。 发动机控制模块（23）接收来自废气传感器的废气中的NOx排放和λ指示，并参考合适的功能，查找表或地图，以从与NOx排放相关的参数中识别气体燃料组成 和从废气传感器接收的排气中的λ。 然后将每个参数（废气中的NOx排放和Lambda）的测量值与该负载条件的相应允许范围和相应调整的可燃电荷的点火时间进行比较以提供补偿。

公开(公告)号：WO2012000029A8

公开(公告)日：2012-04-12

申请号：PCT/AU2011000798

申请日：2011-06-30

Applicant: ORBITAL AUSTRALIA PTY LTD ,  COPLIN NICHOLAS ,  CATHCART GEOFFREY PAUL

Inventor： COPLIN NICHOLAS ,  CATHCART GEOFFREY PAUL

IPC: F02M69/52

CPC classification number: F02D19/08 ,  F02D41/0025 ,  F02D41/2467 ,  F02D2041/3088 ,  F02M67/02 ,  F02M67/12 ,  F02M2023/008

Abstract: A method of operation of a dual fluid fuel injection system arranged to supply fuel to a cylinder of an internal combustion engine, the dual fluid fuel injection system being controllable to effect fuel metering events and fuel delivery events. The method comprises operating the dual fluid fuel injection system so as to have at least one fuel delivery event during each engine cycle and to have fewer than one fuel metering event, on average, per engine cycle. An electronic control unit for implementing the method is also described. The method and control unit allow dynamic range of a fuel metering injector, where included within the dual fluid fuel injection system, to be extended.

Abstract translation: 双流体燃料喷射系统的操作方法，其布置成将燃料供应到内燃机的气缸，所述双流体燃料喷射系统是可控制的，以实现燃料计量事件和燃料输送事件。 该方法包括操作双流体燃料喷射系统，以便在每个发动机循环期间具有至少一个燃料输送事件，并且平均每个发动机循环具有少于一个燃料计量事件。 还描述了用于实现该方法的电子控制单元。 该方法和控制单元允许在双液体燃料喷射系统中包括的燃料计量喷射器的动态范围被扩展。

公开(公告)号：WO2012000039A1

公开(公告)日：2012-01-05

申请号：PCT/AU2011/000810

申请日：2011-06-30

Applicant: ORBITAL AUSTRALIA PTY LTD ,  CALEY, David James ,  CATHCART, Geoffrey Paul

Inventor： CALEY, David James ,  CATHCART, Geoffrey Paul

IPC: F02M61/18 ,  F02M53/04 ,  F02M21/02 ,  F02M61/16

CPC classification number: F02M39/00 ,  F02M21/02 ,  F02M21/0212 ,  F02M21/0215 ,  F02M21/0218 ,  F02M21/0278 ,  F02M21/0281 ,  F02M21/0287 ,  F02M53/046 ,  Y02T10/32

Abstract: A fuel injector (10) for liquid phase injection of liquefied gaseous fuels for combustion chambers of an internal combustion engine. The fuel injector (10) comprises a nozzle portion (15) having an end (30) from which gaseous fuel can be delivered through an outlet (21), the end (30) being configured to prevent or at least inhibit formation of ice thereon upon delivery of gaseous fuel through the outlet.

Abstract translation: 一种用于液相注入内燃机燃烧室的液化气体燃料的燃料喷射器（10）。 燃料喷射器（10）包括具有端部（30）的喷嘴部分（15），气体燃料可从该喷嘴部分（15）通过出口（21）输送，所述端部（30）构造成防止或至少抑制其上形成冰 在通过出口输送气体燃料时。

公开(公告)号：WO2011000042A1

公开(公告)日：2011-01-06

申请号：PCT/AU2010/000827

申请日：2010-06-30

Applicant: ORBITAL AUSTRALIA PTY LTD ,  BREWSTER, Simon Christopher ,  CATHCART, Geoffrey Paul ,  PARRY, Benjamin John ,  RAILTON, Donald Andrew

Inventor： BREWSTER, Simon Christopher ,  CATHCART, Geoffrey Paul ,  PARRY, Benjamin John ,  RAILTON, Donald Andrew

IPC: F02M21/04 ,  F02D19/02 ,  F02M43/04 ,  F02B43/00 ,  F02D19/06 ,  F02M69/52

CPC classification number: F02B43/00 ,  F02D19/024 ,  F02D19/0694 ,  F02M21/0254 ,  F02M21/0269 ,  F02M21/0275 ,  Y02T10/32 ,  Y02T10/36

Abstract: A gaseous fuel injection system (10) for delivering metered amounts of gaseous fuel into the combustion chamber of an engine, and also a method for injecting gaseous fuel directly into a combustion chamber of an internal combustion engine. The gaseous fuel injection system (10) comprises a body structure (11) defining a holding chamber (13) from which a fluid mixture contained therein can be subsequently delivered by a delivery injector (15) into the combustion chamber. The delivery injector (15) has an inlet (16) communicating with the holding chamber (13) and an outlet (18) 'for communication with the combustion chamber. The holding chamber is adapted to receive a quantity of gaseous fu from a fuel source through an inlet port (17). The holding chamber (13) is also adapted to receive a metered quantity a supplementary gaseous fluid through a metering means (21).

Abstract translation: 一种用于将计量的气体燃料输送到发动机的燃烧室中的气体燃料喷射系统（10），以及用于将气体燃料直接喷射到内燃机的燃烧室中的方法。 气体燃料喷射系统（10）包括限定容纳室（13）的主体结构（11），其中容纳在其中的流体混合物随后可以由输送喷射器（15）输送到燃烧室中。 输送注射器（15）具有与保持室（13）连通的入口（16）和用于与燃烧室连通的出口（18）。 保持室适于通过入口（17）从燃料源接收一定量的气体。 保持室（13）还适于通过计量装置（21）接收计量量的补充气体流体。