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1. 发明授权

US12031463B1 Separator for liquid and gas 有权
公开(公告)号：US12031463B1
公开(公告)日：2024-07-09
申请号：US18326462
申请日：2023-05-31
申请人： DeltaHawk Engines, Inc.
发明人： Christopher McGray
IPC分类号： F01M11/03 , F16N39/00
CPC分类号： F01M11/03 , F16N39/002 , F01M2011/038
摘要： An oil tank for an engine is provided with a separator that reduces the amount of entrained air in the oil tank. The separator includes a body with an outer wall, a divider wall, and an outlet. The divider wall is located between the outer wall and at least a first portion of the outlet. The divider wall is offset from a curved portion of the outer wall, which defines a flow channel through which the oil flows towards the outlet. The oil increases speed as travels around the divider wall. This movement keeps the oil with some and/or more entrained air closer to the outer wall. In contrast, the oil with less or no entrained air moves closer to the divider wall and may travel more directly to the outlet.

2. 再颁专利

USRE41335E1 Internal combustion engine 有权
标题翻译：内燃机
公开(公告)号：USRE41335E1
公开(公告)日：2010-05-18
申请号：US11234819
申请日：2005-09-23
申请人： Douglas A. Doers
发明人： Douglas A. Doers
IPC分类号： F02M15/00 , F01P1/06
CPC分类号： F02M37/0052 , F01P3/02 , F01P7/165 , F02B3/06 , F02B61/04 , F02B75/22 , F02B75/36 , F02B2075/025 , F02D33/006 , F02F1/24 , F02F1/38 , F02F7/0012 , F02M53/043 , F02M55/002
摘要： Improved internal combustion engine, particularly, an improved two-stroke, diesel aircraft engine. A first improvement includes a wrist pin/connection rod assembly. A plurality of fasteners extend through a wall of a wrist pin and into a wrist pin insert to secure the wrist pin to a cradle-like portion of a connecting rod. A second improvement includes a fuel injection system which cools fuel injectors with overflow fuel from a fuel pump. The overflow fuel is warmed as it cools the fuel injectors, thereby preventing ice-build up on a fuel filter in cold weather as the overflow fuel is recirculated to the fuel pump. A third improvement includes a new cylinder head cooling arrangement. The cylinder head and a cooling cap define an annular cooling passageway. Cooling fluid flows through the annular cooling passageway to cool the cylinder head. The cooling cap includes an inlet port and an outlet port which are not diametrically opposed. Accordingly, the annular cooling passageway includes a restricted portion to ensure cooling fluid flows completely around the annular cooling passageway to better cool the cylinder head. The cooling cap is adjustably mounted on the cylinder head, so that the cooling cap can be coupled to a cooling jacket independent of the location of the cylinder head on the engine or cylinder block, as when the cylinder head threads into the engine block. The same clamping device used to connect the cooling cap to the cylinder head can be used to secure the fuel injector to the cylinder head. A fourth improvement includes a cross-feed cooling passageway extending between multiple cylinder banks to provide thermal coupling between the cylinder heads and the lower crankcase of the engine, and to provide a safety arrangement for continued cooling fluid flow at least in the event a thermostat in communication with a cooling jacket should fail.
摘要翻译：改进的内燃机，特别是改进的二冲程柴油机发动机。第一改进包括腕针/连杆组件。多个紧固件延伸穿过腕针的壁并进入腕针插入件中，以将腕销固定到连杆的支架状部分。第二个改进包括燃料喷射系统，该燃料喷射系统用来自燃料泵的溢出燃料冷却燃料喷射器。溢流燃料在冷却燃料喷射器时被加热，从而在溢出的燃料再循环到燃料泵时，在寒冷的天气中防止燃料过滤器上的积冰。第三个改进包括一个新的气缸盖冷却装置。气缸盖和冷却帽限定了环形冷却通道。冷却流体流过环形冷却通道以冷却气缸盖。冷却帽包括不直径相对的入口和出口。因此，环形冷却通道包括限制部分，以确保冷却流体完全流过环形冷却通道，以更好地冷却气缸盖。冷却盖可调节地安装在气缸盖上，使得冷却盖可以独立于发动机或气缸体上的气缸盖的位置而联接到冷却套筒上，如同气缸盖螺纹连接到发动机缸体中一样。用于将冷却盖连接到气缸盖的相同夹紧装置可用于将燃料喷射器固定到气缸盖。第四个改进包括在多个气缸组之间延伸的交叉进给冷却通道，以提供气缸盖和发动机的下部曲轴箱之间的热耦合，并提供用于连续冷却流体流动的安全装置，至少在恒温器与冷却套管的通讯应该失败。

3. 发明授权

US12110836B2 Engine cylinder with liner 有权
公开(公告)号：US12110836B2
公开(公告)日：2024-10-08
申请号：US18337844
申请日：2023-06-20
申请人： DeltaHawk Engines, Inc.
发明人： Matthew Daniel De Lise
IPC分类号： F02F1/00 , F02B75/02 , F02B75/22
CPC分类号： F02F1/004 , F02B75/02 , F02B75/22 , F02B2075/025
摘要： An engine is provided with a cylinder liner that extends beyond the surface of the crankcase surrounding the cylinder. When the engine is oriented in an inverted V-block configuration, the extension of the cylinder liner provides a barrier to oil that can pool on the crankcase surface and otherwise enter the interior of the cylinder, absent such a barrier.

4. 发明公开

US20240003314A1 Piston Assembly with Gapless Oil Control Ring 审中-公开
公开(公告)号：US20240003314A1
公开(公告)日：2024-01-04
申请号：US18343909
申请日：2023-06-29
申请人： DeltaHawk Engines, Inc.
发明人： Graydon Robert Hegge , Aaron Gamache Foege , Frank Matthew Graczyk
IPC分类号： F02F5/00 , F02F3/00 , F02B75/02
CPC分类号： F02F5/00 , F02B2075/025 , F02B75/02 , F02F3/0015
摘要： A piston is provided with a gapless ring positioned in a subport position. Specifically, the gapless ring is positioned between the air ports and the crankcase of the engine. The gapless ring includes a rail and an annular ring received within the rail. The ring includes a ring gap and the rail includes a rail gap. When the rail receives the annular ring, the ring gap and rail gap are spaced apart in a circumferential direction such that the gaps do not overlap. In certain embodiments, the rail includes a notch. When the annular ring is received within the notch, the annular ring and rail are biased against rotating with respect to each other. In certain other embodiments, the gapless ring includes an oil scraping surface.

5. 再颁专利

USRE40500E1 Internal combustion engine 有权
标题翻译：内燃机
公开(公告)号：USRE40500E1
公开(公告)日：2008-09-16
申请号：US11498913
申请日：2006-08-03
申请人： Douglas A. Doers , Dean P. Bergman
发明人： Douglas A. Doers , Dean P. Bergman
IPC分类号： F01P3/02
CPC分类号： F01P3/16 , F02B2075/025 , F02F1/40
摘要： Improved internal combustion engine, particularly, an improved two-stroke, diesel aircraft engine. The invention includes a new wrist pin/connecting rod connection, a new cooling system for fuel injectors, a new cylinder head cooling arrangement, a new cooling jacket cross-feed arrangement, and a new combustion seal arrangement.
摘要翻译：改进的内燃机，特别是改进的二冲程柴油机发动机。本发明包括新的腕针/连杆连接，用于燃料喷射器的新的冷却系统，新的气缸盖冷却装置，新的冷却套交叉供给装置和新的燃烧密封装置。

6. 发明授权

US12085048B1 Air shut-off valve for an engine 有权
公开(公告)号：US12085048B1
公开(公告)日：2024-09-10
申请号：US18410653
申请日：2024-01-11
申请人： DeltaHawk Engines, Inc.
发明人： Elijah John Dzurino , Alexander Joeseph Boho
IPC分类号： F02M35/10 , F16K1/22 , F02M35/116 , F16K31/10
CPC分类号： F02M35/10255 , F16K1/221 , F02M35/116 , F16K31/105
摘要： An air-shut off valve for an engine is provided to reduce the number of engine cycles that occur if an engine starts in reverse. The air shut-off valve includes a shaft centered on and extending along a longitudinal axis and a valve plate centered on a central axis. The valve plate is mounted on the shaft and positioned such that the central axis and the longitudinal axis do not intersect with each other. The valve plate can be actuated automatically (i.e., through air interfacing with the valve plate) or manually (i.e., by a user) between an opened position and a closed position with respect to the air intake tube.

7. 发明公开

US20240060457A1 Engine Cylinder with Liner 审中-公开
公开(公告)号：US20240060457A1
公开(公告)日：2024-02-22
申请号：US18337844
申请日：2023-06-20
申请人： DeltaHawk Engines, Inc.
发明人： Matthew Daniel De Lise
IPC分类号： F02F1/00 , F02B75/02 , F02B75/22
CPC分类号： F02F1/004 , F02B75/02 , F02B75/22 , F02B2075/025
摘要： An engine is provided with a cylinder liner that extends beyond the surface of the crankcase surrounding the cylinder. When the engine is oriented in an inverted V-block configuration, the extension of the cylinder liner provides a barrier to oil that can pool on the crankcase surface and otherwise enter the interior of the cylinder, absent such a barrier.

8. 发明授权

US11719182B1 Engine cylinder with liner 有权
公开(公告)号：US11719182B1
公开(公告)日：2023-08-08
申请号：US17889789
申请日：2022-08-17
申请人： DeltaHawk Engines, Inc.
发明人： Matthew Daniel De Lise
IPC分类号： F02F1/00 , F02B75/02 , F02B75/22
CPC分类号： F02F1/004 , F02B75/02 , F02B75/22 , F02B2075/025
摘要： An engine is provided with a cylinder liner that extends beyond the surface of the crankcase surrounding the cylinder. When the engine is oriented in an inverted V-block configuration, the extension of the cylinder liner provides a barrier to oil that can pool on the crankcase surface and otherwise enter the interior of the cylinder, absent such a barrier.

9. 发明公开

US20230417325A1 Piston Assembly with Wrist Pin Cap 审中-公开
公开(公告)号：US20230417325A1
公开(公告)日：2023-12-28
申请号：US17851840
申请日：2022-06-28
申请人： DeltaHawk Engines, Inc.
发明人： Aaron Gamache Foege
IPC分类号： F16J1/18
CPC分类号： F16J1/18
摘要： A wrist pin cap for a piston. The wrist pin cap is configured to form an interference fit with the piston. In specific embodiments, the wrist pin cap is positioned within the piston adjacent to an end of a wrist pin. In certain specific embodiments, the wrist pin cap is configured to form an interference fit with a counterbore of the piston. Some specific embodiments include a method for shrink fitting a wrist pin cap within a piston. In more specific embodiments, the wrist pin cap is shrunk by an application of liquid nitrogen.

10. 发明授权

US10711681B2 Two-cycle diesel engine configured for operation with high temperature combustion chamber surfaces 有权
公开(公告)号：US10711681B2
公开(公告)日：2020-07-14
申请号：US16577728
申请日：2019-09-20
申请人： DeltaHawk Engines, Inc.
发明人： Douglas A. Doers , Robert A. Greco , Paul Olesen , Dennis Raymond Webb
IPC分类号： F01P3/02 , F02B9/02 , F02F3/00 , F02B37/00 , F02B23/06 , F02B33/34 , F02B37/04 , F02B75/02 , F02F1/00 , F02B33/02 , F02B1/12 , F02B61/04
摘要： A 2-cycle, direct-injection diesel engine configured to accommodate low cetane diesel and jet fuels. The engine includes combustion chambers having surfaces which are operable at high temperatures during engine operation to increase the combustion rate of low cetane fuels. The engine is further configured to reduce starting times in cold and/or low pressure situations such as those experienced during attempts to restart a plane engine at relatively high altitudes.

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