公开(公告)号：US5375567A

公开(公告)日：1994-12-27

申请号：US112887

申请日：1993-08-27

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： F01B3/04 ,  F01B7/02 ,  F01B7/14 ,  F02B3/06 ,  F02B75/00 ,  F02B75/02 ,  F02B75/18 ,  F02B75/26 ,  F02B75/28

CPC分类号： F01B7/02 ,  F01B3/045 ,  F01B7/14 ,  F02B75/26 ,  F02B75/282 ,  F02B2075/025 ,  F02B2075/1816 ,  F02B3/06 ,  F02B75/002 ,  F02B75/28

摘要： An engine structure and mechanism that operates on various combustion processes in a two-stroke-cycle without supplemental cooling or lubrication comprises an axial assembly of cylindrical modules and twin, double-harmonic cams that operate with opposed pistons in each cylinder through fully captured rolling contact bearings. The engine may comprise one or more pairs of axially symmetric cylinder modules which with their opposed pistons perform perfectly balanced reciprocating and rotary motions at all loads and speeds. The opposed pistons are double-acting, performing a two-stroke engine power cycle on facing ends and induction and scavenge air compression on their outside ends, all within the same cylinder bore.

摘要翻译： 在没有补充冷却或润滑的情况下，在两冲程循环中对各种燃烧过程进行操作的发动机结构和机构包括圆柱形模块和双，双谐波凸轮的轴向组件，其通过完全捕获的滚动接触在每个气缸中与相对的活塞 轴承。 发动机可以包括一对或多对轴向对称的气缸模块，其中它们相对的活塞在所有负载和速度下执行完美平衡的往复运动和旋转运动。 相对的活塞是双作用的，在面向端部执行二冲程发动机动力循环，并且在其外端上感应和扫除空气压缩，全部在相同的气缸孔内。

公开(公告)号：US06668809B2

公开(公告)日：2003-12-30

申请号：US09989499

申请日：2001-11-19

申请人： Alvin Lowi, Jr. ,  Allan J. Ferrenberg

发明人： Alvin Lowi, Jr. ,  Allan J. Ferrenberg

IPC分类号： F02B4700

CPC分类号： F02B41/04 ,  F01B3/045 ,  F02B75/282 ,  F02B2275/32 ,  F02G1/02 ,  F02G1/057 ,  Y02T10/14 ,  Y02T10/142

摘要： An improved, internal combustion, reciprocating engine employs thermal regeneration to improve its efficiency and power. Regeneration is accomplished through the use of an alternating flow heat exchanger. In one embodiment the engine consists of one or more cylinders containing a pair of opposed pistons, a hot piston and a cold piston separated by a stationary regenerator. The engine is equipped with means to introduce gaseous or liquid fuel into said hot volume, means to introduce fresh working fluid and means to remove exhaust gases from the cold volume. In one embodiment one or more exhaust ports permitting the flow of exhaust fluid out of the cylinder are located between a cold piston and the thermal regenerator and one or more intake ports permitting the flow of fresh working fluid into the cylinder are located between the cold piston and the exhaust ports. The engine can provide greater expansion than compression and can provide critical and substantial improvements over previous engines.

摘要翻译： 改进的内燃式往复式发动机采用热再生来提高其效率和功率。 通过使用交流热交换器来实现再生。 在一个实施例中，发动机由包含一对相对的活塞，热活塞和由固定再生器分离的冷活塞的一个或多个气缸组成。 发动机配备有将气体或液体燃料引入所述热容积的装置，用于引入新鲜工作流体的装置和用于从冷量排出废气的装置。 在一个实施例中，允许排出流体流出气缸的一个或多个排气口位于冷活塞和热再生器之间，并且允许新鲜工作流体进入气缸的一个或多个进气口位于冷活塞 和排气口。 发动机可以提供比压缩更大的扩展，并且可以提供与先前发动机相关的重要改进。

公开(公告)号：US4342200A

公开(公告)日：1982-08-03

申请号：US43313

申请日：1979-05-29

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： B60H1/00 ,  B60H1/02 ,  B60H1/08 ,  B60H1/14 ,  B60H1/32 ,  F01P9/06 ,  F02G5/04 ,  F25B1/08 ,  F25B27/02 ,  F25B1/06

CPC分类号： B60H1/00007 ,  B60H1/3202 ,  F01P9/06 ,  F02G5/04 ,  F25B1/08 ,  F25B27/02 ,  B60H2001/3298 ,  F25B2341/0015 ,  Y02B30/52 ,  Y02T10/166

摘要： An improved engine cooling system is combined with a jet-driven heat pump system for utilizing otherwise wasted heat from an engine to produce refrigeration and heating of cabin, charge air and other media without requiring additional shaft power from the engine. In a closed cycle, vaporized refrigerant fluid is conveyed via jet ejectors from the engine cooling jacket at a high pressure and temperature and from refrigerant evaporators at low pressures and temperatures to a radiator/condenser at an intermediate pressure and temperature. The greater portion of condensed refrigerant fluid is pumped back to the engine (boiler) and the balance is throttled into the evaporators (heat exchangers) to produce an evaporative cooling effect. The vapor resulting therefrom is evacuated by the ejectors and returned to the condenser/radiator. In the cooling mode, the engine jacket constitutes the boiler in a Rankine cycle power circuit providing motive fluid power for the jet vapor compressor in a reverse Rankine cycle refrigeration circuit incorporating the heat exchangers as cooling coils. In a heating mode the high pressure vapor is conveyed directly from the engine to the heat exchangers which then serve as condensers to provide condensation heating effects, the partially condensed refrigerant being further condensed in the radiator.

摘要翻译： 改进的发动机冷却系统与喷射式驱动的热泵系统组合，用于利用来自发动机的浪费的热量来产生舱室，增压空气和其它介质的制冷和加热，而不需要来自发动机的额外的轴功率。 在封闭的循环中，蒸发的制冷剂流体在高压和高温下从发动机冷却套管经喷射喷射器输送，并在低压和低温下从制冷剂蒸发器输送到中间压力和温度下的散热器/冷凝器。 冷凝的制冷剂流体的较大部分被泵送回发动机（锅炉），并且余量被节流到蒸发器（热交换器）中以产生蒸发冷却效果。 由此产生的蒸汽被喷射器抽真空并返回到冷凝器/散热器。 在冷却模式中，发动机护套构成了兰金循环电源回路中的锅炉，其将热交换器作为冷却盘管结合在反向兰金循环制冷回路中，为喷射蒸汽压缩机提供动力流体动力。 在加热模式中，高压蒸汽直接从发动机输送到热交换器，然后热交换器用作冷凝器以提供冷凝加热效果，部分冷凝的制冷剂在散热器中进一步冷凝。

公开(公告)号：US4302488A

公开(公告)日：1981-11-24

申请号：US925666

申请日：1978-07-17

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： D21C9/00 ,  B05D7/00

CPC分类号： D21C9/002

摘要： A cellulose fiber insulation, a manufacturing method and a plant for practicing the method. Waste paper is pulverized in a hammermill apparatus to provide a quantity of cellulose fiber particles which are air conveyed past a fog-type injection nozzle where the particles are wetted with a solution of fire and/or pest resistant and corrosion inhibiting chemicals. The wetted particles are thereafter air conveyed away from the nozzle with heated exhaust air from the hammermill apparatus to dry the particles prior to depositing them in a storage bin. The air by which the particles are conveyed may be exhausted through a filter to catch residual particles which may be returned to the storage bin or directly to the process. The sprayed solution may be prepared by a batch process or by counterflow percolation of heated liquid upward through a bed of soluble fire-retardant chemical. The concentration of chemical in the resultant saturated solution may be regulated by a thermostatic control system. The weight ratio of solution to cellulose fiber may be controlled by sensing the flow rate of the cellulose fiber and generating signals to regulate the rate at which the solution is sprayed from the nozzle.

摘要翻译： 纤维素纤维绝缘材料，制造方法和实施该方法的工厂。 废纸在锤磨装置中粉碎，以提供一定量的纤维素纤维颗粒，该纤维素纤维颗粒被空气输送通过雾型注射喷嘴，其中颗粒被消防和/或抗虫和腐蚀抑制化学品的溶液润湿。 湿润的颗粒之后，将来自锤磨装置的加热排出的空气从空气输送出来，以便在将颗粒沉积在储存箱中之前将颗粒干燥。 颗粒被输送的空气可以通过过滤器排出，以捕获残留的颗粒，这些残余颗粒可能返回到储存箱中或直接返回到该过程。 喷雾溶液可以通过间歇法或通过加热液体的逆流渗透向上通过可溶性阻燃化学品床来制备。 所得饱和溶液中化学品的浓度可由恒温控制系统调节。 溶液与纤维素纤维的重量比可以通过感测纤维素纤维的流速和产生信号来调节从喷嘴喷射溶液的速率来控制。

公开(公告)号：US5938124A

公开(公告)日：1999-08-17

申请号：US61495

申请日：1998-04-17

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： F02M53/04 ,  F02M57/02 ,  F02M59/10 ,  F02M59/46 ,  F02M61/04 ,  F02M59/20

CPC分类号： F02M57/026 ,  F02M53/04 ,  F02M57/025 ,  F02M59/105 ,  F02M59/466 ,  F02M61/047 ,  Y10T137/7889

摘要： An axi-symmetric injection nozzle has an inner body with a tapered bore, an adjustment screw, and an outer tube. A seat lip is machined on the outside perimeter of the outer extremity of the inner body. A head lip is machined on the outer perimeter of the adjustment screw head which engages the tapered bore in the outer extremity of the inner body. When the adjustment screw is tightened the head lip swages the seat lip radially outward, contacting the inner surface of the outer tube to form a fluid seal between inner body and outer tube. Further flexural deflection of the thin cylindrical section of inner body containing seat lip in a radially outward direction by tightening adjustment screw not only closes the annular passage between the inner body and the outer tube but wedges the seat lip against the outer tube forcefully to elastically deflect the outer tube radially and establish a pre-load tensile stress in the outer extremity of outer tube. A given tensile pre-load in the outer tube will establish, from a number of turns tightening the screw, the fluid pressure level that must be attained in the annular passage before that fluid pressure will generate sufficient hoop tension in the outer tube to expand it outwardly away from the seat lip permitting fluid to flow from the nozzle.

摘要翻译： 轴对称注射喷嘴具有带锥孔的内体，调节螺钉和外管。 在内体的外端的外周加工座唇。 在调节螺钉头的外周上加工头唇，其接合内体的外端中的锥形孔。 当调节螺钉被拧紧时，头部唇缘径向向外膨胀座唇，接触外管的内表面以在内体和外管之间形成流体密封。 通过紧固调节螺钉，容纳座唇的径向向外的内体的细圆柱形部分的进一步弯曲挠曲不仅封闭内体与外管之间的环形通道，而且将座唇楔紧地抵靠外管楔入以弹性偏转 径向外管，并在外管的外端建立预加载拉伸应力。 在外管中给定的拉伸预载荷将从拧紧螺钉的多个圈开始建立在环形通道中必须达到的流体压力水平，在该流体压力将在外管中产生足够的环向张力以使其膨胀 向外远离座椅唇，允许流体从喷嘴流出。

公开(公告)号：US5799629A

公开(公告)日：1998-09-01

申请号：US632657

申请日：1996-04-15

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： F01B3/04 ,  F01B7/02 ,  F01B7/14 ,  F02B3/06 ,  F02B75/00 ,  F02B75/02 ,  F02B75/18 ,  F02B75/26 ,  F02B75/28

CPC分类号： F02B75/26 ,  F01B3/045 ,  F01B7/02 ,  F01B7/14 ,  F02B75/282 ,  F02B2075/025 ,  F02B2075/1816 ,  F02B3/06 ,  F02B75/002 ,  F02B75/28

摘要： An engine structure and mechanism that operates on various combustion processes in a two-stroke-cycle without supplemental cooling or lubrication comprises an axial assembly of cylindrical modules and twin, double-harmonic cams that operate with opposed pistons in each cylinder through fully captured rolling contact bearings. The opposed pistons are double-acting, performing a two-stroke engine power cycle on facing ends and induction and scavenge air compression on their outside ends, all within the same cylinder bore. The engine includes a novel intake/exhaust valve configuration, a novel combustion chamber configuration and a novel external piston rod alignment structure comprising a cam follower assembly including a pair of needle roller bearings riding in longitudinal grooves machined in the cam follower body.

摘要翻译： 在没有补充冷却或润滑的情况下，在两冲程循环中对各种燃烧过程进行操作的发动机结构和机构包括圆柱形模块和双，双谐波凸轮的轴向组件，其通过完全捕获的滚动接触在每个气缸中与相对的活塞 轴承。 相对的活塞是双作用的，在面向端部执行二冲程发动机动力循环，并且在其外端上感应和扫除空气压缩，全部在相同的气缸孔内。 发动机包括新颖的进气/排气阀结构，新颖的燃烧室结构和新颖的外部活塞杆对准结构，其包括凸轮从动件组件，该凸轮从动件组件包括一对滚动轴承，该滚针轴承装在凸轮从动件主体中加工的纵向槽中。

公开(公告)号：US5740782A

公开(公告)日：1998-04-21

申请号：US650611

申请日：1996-05-20

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： F02M53/04 ,  F02M57/02 ,  F02M59/10 ,  F02M59/46 ,  F02M61/04 ,  F02M37/04 ,  F02M47/02 ,  F16K15/14

CPC分类号： F02M57/026 ,  F02M53/04 ,  F02M57/025 ,  F02M59/105 ,  F02M59/466 ,  F02M61/047 ,  Y10T137/7889

摘要： An improved, full-authority, digital-electronic-controlled cylinder fuel injection system for internal combustion engines is conceived that utilizes positive displacement metering and electrohydraulic actuation with pressure amplification, positive feedback control and self cooling. The injectors operate from a relatively low pressure common rail fuel supply that may be fed by either pumping or from a pressurized fuel tank. The injectors incorporate self cooling passages that enable continuous operation independent of engine cooling, if any. The injectors comprise a stepped piston freely oscillating in a cylindrical housing providing an actuation chamber at the large end and a metering cup and injection nozzles at the other. A third chamber is provided in between for handling a degree of piston leakage and ullage. Charging, metering, timing and injection functions are controlled by a cartridge-type, 3-way, electrically-actuated valve that may be manifolded with the injector as a unit or mounted separately and connected externally. An outward-opening, variable-area injector nozzle is used for improved injection quality and turndown characteristics with a reduced level and range of injection pressures.

摘要翻译： 设计了一种用于内燃机的改进的全权威数字电子控制缸燃料喷射系统，其利用正排量计量和电动液压致动与压力放大，正反馈控制和自冷却。 喷油器由相对较低压力的共轨燃料供给，可以通过泵送或从加压燃料箱进料。 注射器结合自冷却通道，使得能够连续运行，独立于发动机冷却（如果有的话）。 喷射器包括在圆柱形壳体中自由振动的阶梯式活塞，该圆柱形壳体在大端部处提供致动室，并且计量杯和注射喷嘴在另一个处提供。 第三室设置在其间，用于处理一定程度的活塞泄漏和空载。 充电，计量，定时和注射功能由盒式三通电驱动阀控制，该阀可以作为一个单元或者单独安装或外部连接而以喷射器为歧管。 一个向外开口的可变面积喷射器喷嘴用于提高喷射质量和调节特性，同时具有降低的喷射压力水平和范围。

公开(公告)号：US5507253A

公开(公告)日：1996-04-16

申请号：US311348

申请日：1994-09-23

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： F01B3/04 ,  F01B7/02 ,  F01B7/14 ,  F02B3/06 ,  F02B75/00 ,  F02B75/02 ,  F02B75/18 ,  F02B75/26 ,  F02B75/28

CPC分类号： F02B75/282 ,  F01B3/045 ,  F01B7/02 ,  F01B7/14 ,  F02B75/26 ,  F02B2075/025 ,  F02B2075/1816 ,  F02B3/06 ,  F02B75/002 ,  F02B75/28

摘要： An engine structure and mechanism that operates on various combustion processes in a two-stroke-cycle without supplemental cooling or lubrication comprises an axial assembly of cylindrical modules and twin, double-harmonic cams that operate with opposed pistons in each cylinder through fully captured rolling contact bearings. The opposed pistons are double-acting, performing a two-stroke engine power cycle on facing ends and induction and scavenge air compression on their outside ends, all within the same cylinder bore. The engine includes a control system which utilizes twin barrel cams with adjustable axial and angular positions enabling independent compression ratio and port phasing variation during operation. The engine control system comprises one or more electrohydraulic servos to set and maintain the axial and angular relationships of the cams either at extreme positions or controlled to particular positions and schedules thereof utilizing instantaneous piston position feedback information.

摘要翻译： 在没有补充冷却或润滑的情况下，在两冲程循环中对各种燃烧过程进行操作的发动机结构和机构包括圆柱形模块和双，双谐波凸轮的轴向组件，其通过完全捕获的滚动接触在每个气缸中与相对的活塞 轴承。 相对的活塞是双作用的，在面向端部执行二冲程发动机动力循环，并且在其外端上感应和扫除空气压缩，全部在相同的气缸孔内。 该发动机包括一个控制系统，该控制系统利用双筒凸轮，具有可调节的轴向和角度位置，可在运行期间实现独立的压缩比和端口相位变化。 发动机控制系统包括一个或多个电动液压伺服机构，用于利用瞬时活塞位置反馈信息，将凸轮的轴向和角度关系设置并保持在极限位置或受到特定位置和调度。

公开(公告)号：US06279520B1

公开(公告)日：2001-08-28

申请号：US09617737

申请日：2000-07-17

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： F02B7528

CPC分类号： F01B7/14 ,  F01B3/045 ,  F01B7/02 ,  F02B2075/025

摘要： An engine structure and mechanism that operates on various combustion processes in a two-stroke-cycle without supplemental cooling or lubrication comprises an axial assembly of cylindrical modules and twin, double-harmonic cams that operate with opposed pistons in each cylinder through fully captured rolling contact bearings. The opposed pistons are double-acting, performing a two-stroke engine power cycle on facing ends and induction and scavenge air compression on their outside ends, all within the same cylinder bore. The engine includes a novel compressor arrangement having an intake valve comprising a V-shaped double reed valve with an apex pointing toward the intake port and an exhaust valve having a V-shaped double reed valve with an apex pointing away from the exhaust port. The compressor arrangement may further include rectangular intake and exhaust ports, a rectangular piston rod and rectangular crosshead bearings.

摘要翻译： 在没有补充冷却或润滑的情况下，在两冲程循环中对各种燃烧过程进行操作的发动机结构和机构包括圆柱形模块和双，双谐波凸轮的轴向组件，其通过完全捕获的滚动接触在每个气缸中与相对的活塞 轴承。 相对的活塞是双作用的，在面向端部执行二冲程发动机动力循环，并且在其外端上感应和扫除空气压缩，全部在相同的气缸孔内。 发动机包括具有进气阀的新颖的压缩机装置，该进气阀包括具有指向进气口的顶点的V形双簧片阀，以及具有顶端指向远离排气口的V形双簧片阀的排气阀。 压缩机装置还可以包括矩形进气和排气口，矩形活塞杆和矩形十字头轴承。

公开(公告)号：US6089195A

公开(公告)日：2000-07-18

申请号：US119536

申请日：1998-07-20

申请人： Alvin Lowi, Jr.

发明人： Alvin Lowi, Jr.

IPC分类号： F01B3/04 ,  F01B7/02 ,  F01B7/14 ,  F02B3/06 ,  F02B75/00 ,  F02B75/02 ,  F02B75/18 ,  F02B75/26 ,  F02B75/28

CPC分类号： F02B75/26 ,  F01B3/045 ,  F01B7/02 ,  F01B7/14 ,  F02B75/282 ,  F02B2075/025 ,  F02B2075/1816 ,  F02B3/06 ,  F02B75/002 ,  F02B75/28

摘要： An engine structure and mechanism that operates on various combustion processes in a two-stroke-cycle without supplemental cooling or lubrication comprises an axial assembly of cylindrical modules and twin, double-harmonic cams that operate with opposed pistons in each cylinder through fully captured rolling contact bearings. The opposed pistons are double-acting, performing a two-stroke engine power cycle on facing ends and induction and scavenge air compression on their outside ends, all within the same cylinder bore. The engine includes a novel novel combustion chamber configuration comprising a semi-torus formed by a peripheral relief provided around the outer perimeter of each piston crown. This arrangement leaves a large central surface or squish land on each piston crown permitting a small piston clearance to be used for the purpose of generating a strong, radially-outward flow (squish) as the pistons approach each other in their cyclic motions. The cross-section of the toroidal space may be varied from point to point about the perimeter to provide improved entrance regions for the fuel injection.

摘要翻译： 在没有补充冷却或润滑的情况下，在两冲程循环中对各种燃烧过程进行操作的发动机结构和机构包括圆柱形模块和双，双谐波凸轮的轴向组件，其通过完全捕获的滚动接触在每个气缸中与相对的活塞 轴承。 相对的活塞是双作用的，在面向端部执行二冲程发动机动力循环，并且在其外端上感应和扫除空气压缩，全部在相同的气缸孔内。 发动机包括新颖的新型燃烧室构造，其包括由围绕每个活塞顶部的外周边设置的周边凸起形成的半环形。 这种布置在每个活塞顶盖上留下大的中心表面或挤压区域，因此当活塞在其循环运动中彼此接近时，可以使用小的活塞间​​隙来产生强大的径向向外的流动（挤压）。 环形空间的横截面可以围绕周边从点到点改变，以提供用于燃料喷射的改进的入口区域。