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    Stepped piston and stepped piston engine
    1.
    发明公开
    Stepped piston and stepped piston engine 失效
    Stufonkolben和阶梯式活塞发动机。

    公开(公告)号：EP0084790A1

    公开(公告)日：1983-08-03

    申请号：EP83100134.2

    申请日：1983-01-10

    申请人： Hooper, Bernard

    发明人： Hooper, Bernard

    IPC分类号： F16J1/08 ,  F02B33/14

    CPC分类号： F16J1/08 ,  F01B7/18 ,  F01M2001/083 ,  F02B1/04 ,  F02B33/14 ,  F02B2075/025 ,  F02F3/00

    摘要： A stepped piston (P, 19,31,50) for an engine of the kind having one or more cylinders (18, 30, 40, 51 the or each cylinder containing a stepped piston having a pumping part (4) of larger diameter, and a working part (1) of smaller diameter, the working part (1) of the piston (P, 19, 31, 50) being slidable in, and associated with, a working part of the cylinder (18, 30, 40, 51) in which combustion of a fuel/air mixture takes place, and the pumping part (4) of the piston being slidable in, and associated with, a pumping part of the cylinder, the piston having a body with an interior hollow (1, 1', 39, 45) opening to the outside of a lower end (5) of the piston, the body comprising a smaller diameter (1) working, part, extending from the top (2) of the piston (P, 19, 31, 50) to a step (3), and a larger diameter (4), pumping, part extending from the step (3) to a lower end (5) of the piston, at least one piston ring groove (6, 7; 20, 21, 22; 32, 33, 34; 41, 42, 43) formed in an outer surface of the smaller diameter part (1) and at least one piston ring groove (8, 9) formed in the outer surface of the larger diameter part (4), each piston ring groove, in use, receiving a piston ring (10, 11; 23, 24, 25; 35, 36, 37; 46, 47, 48; 12, 13), the smaller diameter part (1) of the piston having at least one metering opening (15, 16; 26; 38; 44; 70, 71) providing a through passage for lubricant, between the interior (1, 1 1 ; 39, 45) of the piston and the outer surface of the smaller diameter part (1) of the piston.

    STEPPED PISTON ENGINE
    2.
    发明公开
    STEPPED PISTON ENGINE 失效
    其中活塞水平内燃机。

    公开(公告)号：EP0465500A1

    公开(公告)日：1992-01-15

    申请号：EP90904897.0

    申请日：1990-03-19

    申请人： HOOPER, Bernard

    发明人： HOOPER, Bernard

    IPC分类号： F02B25 ,  F02B33 ,  F02B1 ,  F02B3 ,  F02B75

    CPC分类号： F02B25/26 ,  F02B1/04 ,  F02B3/06 ,  F02B33/14 ,  F02B2075/025 ,  F02B2075/1812

    摘要： Un moteur à pistons en gradins comprend des premier (10), second (11) et troisième (12) cylindres en gradins, chaque cylindre (10, 11, 12) comportant une partie (10p, 11p, 12p) de pompage à grand diamètre, ainsi qu'une partie (10w, 11w, 12w) de travail à faible diamètre, ainsi qu'un piston (13, 14, 15) coulissant dans le cylindre, chaque piston (13, 14, 15) étant couplé à un arbre de sortie (16) dudit moteur. Ledit moteur comprend également un moyen (20) de passage de transfert, destiné à transférer la charge précomprimée de la partie (10p) de pompage à grand diamètre dudit premier cylindre (10), à la partie (11w) de travail de faible diamètre dudit second cylindre (11), un second moyen (21) de passage de transfert, destiné à transférer la charge précomprimée de ladite partie (11p) de pompage à grand diamètre dudit second cylindre (11), à ladite partie (12w) de travail à faible diamètre dudit troisième cylindre (12). Ledit moteur comprend en outre un troisième moyen (22) de passage de transfert, destiné à transférer la charge précomprimée de ladite partie (12p) de pompage à grand diamètre dudit troisième cylindre (12), à ladite partie (10w) de travail de faible diamètre dudit premier cylindre (10).

    STEPPED PISTON ENGINE
    3.
    发明授权
    STEPPED PISTON ENGINE 失效
    其中活塞水平内燃发动机

    公开(公告)号：EP0465500B1

    公开(公告)日：1997-05-21

    申请号：EP90904897.7

    申请日：1990-03-19

    申请人： HOOPER, Bernard

    发明人： HOOPER, Bernard

    IPC分类号： F02B33/14

    CPC分类号： F02B25/26 ,  F02B1/04 ,  F02B3/06 ,  F02B33/14 ,  F02B2075/025 ,  F02B2075/1812

    摘要： A stepped piston engine comprises first (10), second (11) and third (12) stepped cylinders, each cylinder (10, 11, 12) having a larger diameter pumping part (10p, 11p, 12p), and a smaller diameter working part (10w, 11w, 12w), and a piston (13, 14, 15) slidable in the cylinder, each piston (13, 14, 15) being coupled to an output shaft (16) of the engine, first transfer passage means (20) to transfer the precompressed charge from the larger diameter pumping part (10p) of the first cylinder (10) to the smaller diameter working part (11w) of the second cylinder (11), second transfer passage means (21), to transfer precompressed charge from the larger diameter pumping part (11p) of the second cylinder (11) to the smaller diameter working part (124) of the third cylinder (12), and third transfer passage means (22) to transfer precompressed charge from the larger diameter pumping part (12p) of the third cylinder (12) to the smaller diameter working part (10w) of the first cylinder (10).

    Stepped piston internal combustion engine
    4.
    发明公开
    Stepped piston internal combustion engine 失效
    Stufenkolbenbrennkraftmaschine

    公开(公告)号：EP0890719A1

    公开(公告)日：1999-01-13

    申请号：EP97304984.4

    申请日：1997-07-08

    申请人： Hooper, Bernard ,  Hooper, Peter Russell

    发明人： Hooper, Bernard ,  Hooper, Peter Russell

    IPC分类号： F02B33/14 ,  F02B33/30 ,  F02B33/44 ,  F16F15/26

    CPC分类号： F02B33/30 ,  F01L7/025 ,  F02B33/14 ,  F02B33/44 ,  F02B75/22 ,  F02B2075/025 ,  F02B2075/1812

    摘要： A stepped-piston, internal-combustion engine includes at least one cylinder, each cylinder having a working part (12) of lesser diameter defined by a cylindrical wall (21) and a pumping part (13) of greater diameter, a piston slidable in each cylinder, a receiver (25) which is partly delimited by the cylindrical wall (21) of the working part of each cylinder and which extends at least partly around each working part, working inlet ports (23) in the cylindrical wall and extending between the working part of the cylinder and the receiver and valve means (30, 39) to control the entry of charge into the pumping part (13) of each cylinder and the transfer of charge from said pumping part (13) to the receiver (25) is controlled by the uncovering of the working inlet ports (23) by the working part of the piston.

    摘要翻译： 一个阶梯式活塞内燃机包括至少一个气缸，每个气缸具有由圆柱形壁（21）和更大直径的泵送部分（13）限定的较小直径的工作部分（12），一个可滑动的活塞 每个气缸，接收器（25），其部分地由每个气缸的工作部分的圆柱形壁（21）限定，并且至少部分地围绕每个工作部分延伸，圆柱形壁中的工作入口端口（23） 气缸的工作部分和接收器以及阀装置（30,39），用于控制电荷进入每个气缸的泵送部分（13），并将电荷从所述泵送部分（13）转移到接收器（25） ）通过活塞的工作部分露出工作入口（23）来控制。

    INTERNAL COMBUSTION ENGINE
    5.
    发明授权
    INTERNAL COMBUSTION ENGINE 失效
    内燃机

    公开(公告)号：EP0244451B1

    公开(公告)日：1989-05-03

    申请号：EP86906365.1

    申请日：1986-10-13

    申请人： Hooper, Bernard

    发明人： Hooper, Bernard

    IPC分类号： F02B33/14 ,  F02B33/44 ,  F02F7/00

    CPC分类号： F02F1/22 ,  F01M11/0004 ,  F02B3/06 ,  F02B33/14 ,  F02B33/44 ,  F02B2075/025 ,  F02F7/0012 ,  F02F7/0036

    摘要： An internal combustion engine has a pair of stepped cylindres (14, 15) in which stepped pistons (P1, P2) are received, each cylinder (14, 15) and piston (P1, P2) having a pumping part of larger diameter and a working part of smaller diameter, transfer paths from each of the pumping parts of each cylinder to the working part of the other comprising first passage parts (27, 27') extending from the pumping parts (15a, 14a) to second passage parts (28, 28') and third passage parts comprising at least two branches (29, 29') connecting the second passage parts (28, 28') and the working parts (16a, 16b) of the cylinder, the first (27, 27') and third (29, 29') passage parts each crossing an interface (1) between the crankcase (12) and cylinder block (11) via aligned parts, and the second passage parts (28, 28') being wholly contained in the crankcase (12).

    摘要翻译： 内燃机具有一对阶梯式的圆柱体（14,15），其中容纳有阶梯式活塞（P1，P2），每个气缸（14,15）和活塞（P1，P2）具有较大直径的泵送部分， （15a，14a）延伸到第二通道部分（28,27'）的第一通道部分（27,27'），所述第一通道部分（27,27'）从每个泵的每个泵送部分到另一个泵送部分的工作部分 ，28'）和第三通道部分，所述第三通道部分包括连接所述气缸的所述第二通道部分（28,28'）和所述工作部分（16a，16b）的至少两个分支（29,29'），所述第一（27,27' ）和第三（29,29'）通道部分，每个通道部分经由对齐的部分与曲轴箱（12）和气缸体（11）之间的界面（1）交叉，并且第二通道部分（28,28'）完全包含在 曲轴箱（12）。

    INTERNAL COMBUSTION ENGINE
    6.
    发明公开
    INTERNAL COMBUSTION ENGINE 失效
    内燃机。

    公开(公告)号：EP0244451A1

    公开(公告)日：1987-11-11

    申请号：EP86906365.0

    申请日：1986-10-13

    申请人： HOOPER, Bernard

    发明人： HOOPER, Bernard

    IPC分类号： F02B33 ,  F01M11 ,  F02F1 ,  F02F7 ,  F02B3 ,  F02B75

    CPC分类号： F02F1/22 ,  F01M11/0004 ,  F02B3/06 ,  F02B33/14 ,  F02B33/44 ,  F02B2075/025 ,  F02F7/0012 ,  F02F7/0036

    摘要： Un moteur à combustion interne possède une paire de cylindres à épaulement (14, 15) dans lesquels des pistons à épaulement (P1, P2) sont logés, chaque cylindre (14, 15) et pistons (P1, P2) présentant une partie d'injection de plus grand diamètre et une partie de travail de plus faible diamètre, les cheminements de transfert depuis chacune des parties d'injection de chaque cylindre jusqu'à la partie de travail de l'autre comprenant des premières parties de passage (27, 27') s'étendant des parties d'injection (15a, 14a) aux secondes parties de passage (28, 28') et des troisièmes parties de passage comprenant au moins deux branches (29, 29') reliant les secondes parties de passage (28, 28') et les parties de travail (16a, 16b) du cylindre, les premières (27, 27') et troisièmes (29, 29') parties de passage croisant chacune une interface (1) entre le carter (12) et le bloc de culasse (11) via des parties alignées, et les secondes parties de passage (28, 28') étant entièrement contenues dans le carter (12).