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    Two stroke engine with spring driven plunger
    11.
    发明申请
    Two stroke engine with spring driven plunger 审中-公开

    公开(公告)号：US20020134076A1

    公开(公告)日：2002-09-26

    申请号：US09813422

    申请日：2001-03-22

    Inventor： Edward Lawrence Warren

    IPC: F01N003/00 ,  F01N003/02 ,  F01N005/02

    CPC classification number: F01L1/38 ,  F01L1/446 ,  F01L1/46 ,  F01L1/462 ,  F01L3/205 ,  F01N5/02 ,  F02B75/36 ,  F02B2075/025 ,  F02M31/14 ,  Y02T10/126 ,  Y02T10/16

    Abstract: This invention is a two stroke, internal combustion, reciprocating, engine with plunger 14, made up of a number of similar working units. Each working unit is comprised of cylinder 16 that is closed at one end by cylinder head 4, and contains air inlet valve 2, power piston 22 that is connected to power output shaft 26, and plunger 14. Plunger 14 is a movable wall with barrel 10 attached to it. Plunger 14 moves between power piston 22 and cylinder head 4, and the means to accomplish this are: spring 12, the urging of power piston 22 after a collision, and the difference between the internal and external engine pressures. During the compression stroke the pressure inside the engine exceeds the pressure outside of the engine, this pressure difference on the exhaust area forces plunger 14 up against cylinder head 4 and deforms spring 12. During the expansion stroke the pressure difference continues to keep plunger 14 up against cylinder head 4 and spring 12 deformed. This condition will continue until the pressure force from the pressure difference on the exhaust area falls below spring 12 force. Near the end of the expansion stroke power piston 22 reaches pressure reducing chamber port 32. When power piston 22 reaches pressure reducing chamber port 32 the pressure is reduced because of the added volume of pressure reducing chamber 8, and the pressure force falls below spring 12 force. Spring 12 opens exhaust valve 6. Since exhaust valve 6 is connected to plunger 14, spring 12 resuming its undeformed state moves plunger 14 towards power piston 22. While plunger 14 moves toward power piston 22 plunger 14 sucks in the working fluid and pushes the exhaust gases out of cylinder 16. After the meeting of power piston 22 and plunger 14, pressure reducing chamber port 32 is recovered and compression begins. To provide regeneration an alternating flow heat exchanger, called regenerator 30, along with protector 34, protector valve 36, and protector check valve 38 are attached to plunger 14. Protector 34 protects regenerator 30 from heat of combustion and removes regenerator 30 volume from the expansion process until the expansion pressure has fallen below the compression pressure.

    Internal combustion engine
    12.
    发明授权
    Internal combustion engine 失效

    公开(公告)号：US06279550B1

    公开(公告)日：2001-08-28

    申请号：US08863103

    申请日：1997-05-23

    Applicant: Clyde C. Bryant

    Inventor： Clyde C. Bryant

    IPC: F02B3300

    CPC classification number: F02B37/16 ,  F01B7/12 ,  F01L1/053 ,  F01L1/146 ,  F01L1/18 ,  F01L1/26 ,  F01L1/446 ,  F01L3/08 ,  F01L3/205 ,  F01L2001/0537 ,  F01L2101/02 ,  F02B1/12 ,  F02B19/12 ,  F02B29/0412 ,  F02B29/0418 ,  F02B29/0475 ,  F02B29/0493 ,  F02B33/06 ,  F02B33/26 ,  F02B33/36 ,  F02B33/38 ,  F02B33/446 ,  F02B37/00 ,  F02B37/04 ,  F02B39/10 ,  F02B75/02 ,  F02B75/22 ,  F02B75/32 ,  F02B2075/025 ,  F02B2275/18 ,  F02B2275/32 ,  F02D13/0215 ,  F02D13/0261 ,  F02D13/0269 ,  F02D13/028 ,  F02F2001/245 ,  F02F2001/247 ,  F02M26/08 ,  Y02T10/142 ,  Y02T10/144 ,  Y02T10/146

    Abstract: The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines for carrying out the method. The invention includes methods and apparatuses for managing combustion charge densities, temperatures, pressures and turbulence in order to produce a true mastery within the power cylinder in order to increase fuel economy, power, and torque while minimizing polluting emissions. In its preferred embodiments, the method includes the steps of (i) producing an air charge, (ii) controlling the temperature, density and pressure of the air charge, (iii) transferring the air charge to a power cylinder of the engine such that an air charge having a weight and density selected from a range of weight and density levels ranging from below atmospheric weight and density to heavier-than-atmospheric weight and density is introduced into the power cylinder, and (iv) then compressing the air charge at a lower-than-normal compression ratio, (v) causing a pre-determined quantity of charge-air and fuel to produce a combustible mixture, (vi) causing the mixture to be ignited within the power cylinder, and (vii) allowing the combustion gas to expand against a piston operable in the power cylinders with the expansion ratio of the power cylinders being substantially greater than the compression ratio of the power cylinders of the engine. In addition to other advantages, the invented method is capable of producing mean effective cylinder pressures ranging from lower-than-normal to higher-than-normal. In the preferred embodiments, the mean effective cylinder pressure is selectively variable (and selectively varied) throughout the mentioned range during the operation of the engine. In an alternate embodiment related to constant speed-constant load operation, the mean effective cylinder pressure is selected from the range and the engine is configured, in accordance with the present invention, such that the mean effective cylinder pressure range is limited, being varied only in the amount required for producing the power, torque and speed of the duty cycle for which the engine is designed.

    Four-cycle internal combustion engine
    13.
    发明授权
    Four-cycle internal combustion engine 失效
    四冲程内燃机

    公开(公告)号：US07096850B2

    公开(公告)日：2006-08-29

    申请号：US10755636

    申请日：2004-01-12

    Applicant: Tadao Yashirodai ,  Kazuhiko Takemoto

    Inventor： Tadao Yashirodai ,  Kazuhiko Takemoto

    IPC: F02B75/02

    CPC classification number: F01L1/446 ,  F02B33/26 ,  F02B33/30 ,  F02B75/16 ,  F02B2075/027 ,  F02B2275/34

    Abstract: To provide a four-cycle combustion engine wherein the air-fuel mixture can be smoothly passed at all times by the utilization of the reciprocating motion of the piston to effectively lubricate the valve operating mechanism and the cranking mechanism and also to allow the air-fuel mixture to be supplied into the combustion chamber with a high suction efficiency. By utilization of the reciprocating motion of the piston (9), a portion of the air-fuel mixture (M) fed from the intake passage (33) is circulated through a circulating passage made up of the valve chamber (18), the first passage (24), the crankcase chamber (7) and the second passage (41).

    Abstract translation: 为了提供一种四冲程内燃机，其中空燃混合物可以通过利用活塞的往复运动一直平稳地通过，以有效地润滑阀操作机构和起动机构，并且还允许空气燃料 混合物以高抽吸效率供入燃烧室。 通过利用活塞（9）的往复运动，从进气通道（33）供给的空气燃料混合物（M）的一部分通过由阀室（18）构成的循环通道循环，第一 通道（24），曲轴箱室（7）和第二通道（41）。

    Four-cycle internal combustion engine
    14.
    发明申请
    Four-cycle internal combustion engine 失效
    四冲程内燃机

    公开(公告)号：US20040144344A1

    公开(公告)日：2004-07-29

    申请号：US10755636

    申请日：2004-01-12

    Inventor： Tadao Yashirodai ,  Kazuhiko Takemoto

    IPC: F02B033/04 ,  F01L001/18

    CPC classification number: F01L1/446 ,  F02B33/26 ,  F02B33/30 ,  F02B75/16 ,  F02B2075/027 ,  F02B2275/34

    Abstract: To provide a four-cycle combustion engine wherein the air-fuel mixture can be smoothly passed at all times by the utilization of the reciprocating motion of the piston to effectively lubricate the valve operating mechanism and the cranking mechanism and also to allow the air-fuel mixture to be supplied into the combustion chamber with a high suction efficiency, the four-cycle combustion engine includes a valve operating mechanism (30) including a valve drive unit (23) for driving intake and exhaust valves (19, 20) and a drive transmitting unit (29) for transmitting a rotary drive of a crankshaft (8) to the valve drive unit (23), a valve chamber (18) accommodating the valve drive unit (23) and communicated with an intake port (40), an intake passage (33) through which an air-fuel mixture (M) containing a lubricant oil is introduced into the valve chamber (18), a first passage (24) accommodating the drive transmitting unit (29) and connecting between the valve chamber (18) and the crankcase chamber (7), and a second passage (41) connecting between the crankcase chamber (7) and the valve chamber (18). By utilization of the reciprocating motion of the piston (9), a portion of the air-fuel mixture (M) fed from the intake passage (33) is circulated through a circulating passage made up of the valve chamber (18), the first passage (24), the crankcase chamber (7) and the second passage (4).

    Abstract translation: 为了提供一种四冲程内燃机，其中空燃混合物可以通过利用活塞的往复运动一直平稳地通过，以有效地润滑阀操作机构和起动机构，并且还允许空气燃料 混合物以高吸入效率供入燃烧室，四冲程内燃机包括阀操作机构（30），其包括用于驱动进气门和排气门（19,20）的阀驱动单元（23）和驱动 用于将曲轴（8）的旋转驱动传递到阀驱动单元（23）的发送单元（29），容纳阀驱动单元（23）并与进气口（40）连通的阀室（18） 将含有润滑油的空气 - 燃料混合物（M）通过所述进气通道引入所述阀室（18），容纳所述驱动传递单元（29）并连接在所述阀室（18）之间的第一通道（24） 18）和曲柄 以及连接在曲轴箱室（7）和阀室（18）之间的第二通道（41）。 通过利用活塞（9）的往复运动，从进气通道（33）供给的空气燃料混合物（M）的一部分通过由阀室（18）构成的循环通道循环，第一 通道（24），曲轴箱室（7）和第二通道（4）。

    Internal combustion engine and working cycle
    15.
    发明申请
    Internal combustion engine and working cycle 审中-公开

    公开(公告)号：US20040065308A1

    公开(公告)日：2004-04-08

    申请号：US10679914

    申请日：2003-10-06

    Inventor： Clyde C. Bryant

    IPC: F02B033/00

    CPC classification number: F02B33/36 ,  F01B7/12 ,  F01L1/053 ,  F01L1/146 ,  F01L1/18 ,  F01L1/26 ,  F01L1/446 ,  F01L3/08 ,  F01L3/205 ,  F01L2001/0537 ,  F01L2101/02 ,  F02B1/12 ,  F02B19/12 ,  F02B29/0412 ,  F02B29/0418 ,  F02B29/0475 ,  F02B29/0493 ,  F02B33/06 ,  F02B33/26 ,  F02B33/38 ,  F02B33/446 ,  F02B37/00 ,  F02B37/04 ,  F02B37/16 ,  F02B39/10 ,  F02B75/02 ,  F02B75/22 ,  F02B75/32 ,  F02B2075/025 ,  F02B2275/18 ,  F02B2275/32 ,  F02F2001/245 ,  F02F2001/247 ,  F02M26/01 ,  F02M26/08 ,  Y02T10/142 ,  Y02T10/144 ,  Y02T10/146

    Abstract: The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines for carrying out the method. The invention includes methods and apparatuses for managing combustion charge densities, temperatures, pressures and turbulence in order to produce a true mastery within the power cylinder in order to increase fuel economy, power, and torque while minimizing polluting emissions. In its preferred embodiments, the method includes the steps of (i) producing an air charge, (ii) controlling the temperature, density and pressure of the air charge, (iii) transferring the air charge to a power cylinder of the engine such that an air charge having a weight and density selected from a range of weight and density levels ranging from below atmospheric weight and density to heavier-than-atmospheric weight and density is introduced into the power cylinder, and (iv) then compressing the air charge at a lower-than-normal compression ratio (v) causing a pre-determined quantity of charge-air and fuel to produce a combustible mixture, (vi) causing the mixture to be ignited within the power cylinder, and (vii) allowing the combustion gas to expand against a piston operable in the power cylinders with the expansion ratio of the power cylinders being substantially greater than the compression ratio of the power cylinders of the engine. In addition to other advantages, the invented method is capable of producing mean effective cylinder pressures ranging from lower-than-normal to higher-than-normal. In the preferred embodiments, the mean effective cylinder pressure is selectively variable (and selectively varied) throughout the mentioned range during the operation of the engine. In an alternate embodiment related to constant speed-constant load operation, the mean effective cylinder pressure is selected from the range and the engine is configured, in accordance with the present invention, such that the mean effective cylinder pressure range is limited, being varied only in the amount required for producing the power, torque and speed of the duty cycle for which the engine is designed.

    INTERNAL COMBUSTION ENGINE WITH INTAKE MANIFOLD PLENUM AND METHOD OF USE
    17.
    发明公开
    INTERNAL COMBUSTION ENGINE WITH INTAKE MANIFOLD PLENUM AND METHOD OF USE 审中-公开
    与进气室及其使用内燃机

    公开(公告)号：EP1266132A4

    公开(公告)日：2008-04-09

    申请号：EP01913119

    申请日：2001-02-26

    Applicant: BRADY JOSEPH M

    Inventor： BRADY JOSEPH M

    IPC: F01L1/44 ,  F02B27/02 ,  F02B29/08 ,  F02B75/02 ,  F02D13/02 ,  F02B75/18

    CPC classification number: F02B27/003 ,  F01L1/446 ,  F02B27/021 ,  F02B27/0294 ,  F02B29/083 ,  F02B2075/027 ,  F02B2275/32 ,  F02D13/0234 ,  F02D13/0269 ,  Y02T10/142 ,  Y02T10/146

    Abstract: A four stroke combustion engine and method of operation of use and control is disclosed. The engine includes a combustion chamber with an intake manifold coupled to the combustion chamber. A one-way valve (22) is located within the intake manifold. The engine includes an intake valve (10) for modulating the flow of a fuel-air mixture into and out of the combustion chamber. The engine preferably employs a fixed, late closing intake valve. A plenum chamber (20) is located in the intake manifold. The plenum chamber is located downstream of the one-way valve and upstream of the intake valve. During the compression stroke of the engine, a pressurized charge of fuel-air mixture is stored within the manifold and plenum. The amount of the fuel-air mixture stored within the plenum is controlled by adjusting the volume of the plenum, or, alternatively, a plenum valve (34) is used to regulate the amount of fuel-air mixture entering/exiting a fixed volume plenum.

    VALVE DEVICE OF ENGINE
    20.
    发明公开
    VALVE DEVICE OF ENGINE 审中-公开
    VENTILVORRICHTUNG EINES MOTORS

    公开(公告)号：EP1188906A1

    公开(公告)日：2002-03-20

    申请号：EP99919671.0

    申请日：1999-05-24

    Applicant: Ichikawa, Masaharu

    Inventor： Ichikawa, Masaharu

    IPC: F01L5/04 ,  F01L1/00 ,  F02G1/053 ,  F02B23/00 ,  F02B25/00 ,  F16K1/00 ,  F04B39/10

    CPC classification number: F01L7/04 ,  F01L1/446 ,  F01L5/06 ,  F01L2800/00 ,  F02B25/04 ,  F02B25/14 ,  F02B75/34 ,  F02B2075/025 ,  F02G1/053 ,  F02G2253/02

    Abstract: A valve device of an engine, wherein an opening part (7) smaller in area than the end surface of a piston (5) is provided in the end surface of a cylinder (3) so as to form a valve seat (8), and a valve disc (9) in contact with the valve seat (8) is disposed on the outerside of the valve seat (8) so that the cylinder (3) can be moved away from and toward the valve disc (9) and, in a compression stroke when the piston (5) rises, the valve seat (8) is in press-contact with the fixed valve disc (9) because an upward force is applied to the upper end surface of the cylinder (3) and the cylinder (3) is urged toward the valve disc, whereby an engine high in emission efficiency can be obtained because a highly airtight valve device can be obtained with a simple structure, and the area of the opening part can be increased up to the ultimate diameter of the piston.

    Abstract translation: 一种发动机的阀装置，其中在气缸（3）的端面中设置有比活塞（5）的端面小的面积的开口部（7），以形成阀座（8）， 并且与所述阀座（8）接触的阀盘（9）设置在所述阀座（8）的外侧，使得所述气缸（3）能够离开和朝向所述阀盘（9）移动， 当活塞（5）上升时的压缩行程中，阀座（8）与固定阀盘（9）压接，因为向上的力施加到气缸（3）的上端表面，并且 气缸（3）被推向阀盘，由此可以获得发动机排出效率高的发动机，因为能够以简单的结构获得高度气密的阀装置，并且可以将开口部分的面积增加到极限直径 的活塞。

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