公开(公告)号：US4694802A

公开(公告)日：1987-09-22

申请号：US652937

申请日：1984-09-21

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： F02M25/00 ,  F02D19/08 ,  F02M9/10 ,  F02M21/02 ,  F22B37/18 ,  F22B9/08 ,  F22D1/00

CPC分类号： F02M21/0239 ,  F02D19/0607 ,  F02D19/0647 ,  F02D19/081 ,  F02M21/047 ,  F02M9/106 ,  Y02T10/32 ,  Y02T10/36

摘要： A system for mixing fumigation fuel with the intake air in a compression ignition engine includes a variable area venturi in an engine intake air duct to draw controlled amounts of a pre-mixed fumigation fuel/air mixture into the main air stream in proportion to the amount of suction created downstream of the variable area venturi by the engine air flow. The variable area venturi creates a pressure depression proportional to the engine air flow motivating the fumigation fuel/air mixture to flow into the engine along with the main air stream at a rate related to the engine load and speed. The variable area venturi includes a housing having a downstream branch connected to a conventional demand-type mixer which is supplied with the fumigation fuel via a demand-type regulator, and air through a filter from the atmosphere. The variable area venturi is formed by a spring-loaded, normally closed flapper valve which variably opens in response to air drawn through the housing by the engine. The variable area venturi thus created provides a proportional control of the fumigation fuel introduced into the main air stream over a wide range of engine operating conditions with relatively small pressure drops.

摘要翻译： 用于将熏蒸燃料与压缩点火发动机中的进气混合的系统包括在发动机进气管道中的可变区域文丘里管，以将控制量的预混合熏蒸燃料/空气混合物按比例的量 通过发动机气流在可变区域文丘里管的下游产生吸力。 可变区域文氏管产生与发动机空气流量成比例的压力下降，其激励熏蒸燃料/空气混合物以与发动机负载和速度相关的速率与主气流一起流入发动机。 可变区域文丘里管包括壳体，其具有连接到传统需求型混合器的下游分支器，其经由需求型调节器供应熏蒸燃料，并且空气通过来自大气的过滤器。 可变区域文丘里管由弹簧加载的常闭挡板瓣形成，响应于由发动机通过壳体抽吸的空气而可变地打开。 如此产生的可变面积文氏管提供了在具有相对小的压力降的大范围的发动机运行条件下引入主空气流中的熏蒸燃料的比例控制。

公开(公告)号：US4164850A

公开(公告)日：1979-08-21

申请号：US631023

申请日：1975-11-12

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： B60H1/00 ,  B60H1/32 ,  F25B1/08 ,  F25B27/02

CPC分类号： B60H1/3202 ,  B60H1/00007 ,  F25B1/08 ,  F25B27/02 ,  B60H2001/3295 ,  B60H2001/3298

摘要： An improved engine cooling system is combined with an automotive air conditioning system for utilizing otherwise waste heat from an engine to vaporize refrigerant fluid which is condensed and pumped back to the engine in a closed cycle. In a cooling mode, vaporized refrigerant is conveyed via a jet ejector to the automobile radiator, a condensed portion of the refrigerant fluid being drawn by the ejector through a throttling valve and a conditioner air coil to provide evaporative cooling. In a heating mode, the vaporized refrigerant is conveyed directly to the conditioner air coil, which then serves as a condenser to provide condensation heating. The partially condensed refrigerant is further condensed at the radiator and then pumped back to the engine.

摘要翻译： 改进的发动机冷却系统与汽车空调系统组合，用于利用来自发动机的废热来蒸发在闭合循环中被冷凝并泵送回发动机的制冷剂流体。 在冷却模式中，蒸发的制冷剂通过射流喷射器输送到汽车散热器，制冷剂流体的冷凝部分由喷射器通过节流阀和调节器空气盘管吸引以提供蒸发冷却。 在加热模式中，蒸发的制冷剂被直接输送到调节器空气盘管，空调线圈然后用作冷凝器以提供冷凝加热。 部分冷凝的制冷剂在散热器处进一步冷凝，然后泵回发动机。