公开(公告)号：WO1995008052A1

公开(公告)日：1995-03-23

申请号：PCT/FR1994001033

申请日：1994-09-02

Applicant: S.N.C. MELCHIOR TECHNOLOGIE

Inventor： S.N.C. MELCHIOR TECHNOLOGIE ,  MELCHIOR, Jean, Frédéric ,  ANDRE, Thierry

IPC: F01L01/28

CPC classification number: F01L1/285 ,  F01L3/24 ,  F02B3/06 ,  F02B25/145

Abstract: Internal combustion engine comprising a cylindrical work chamber (1) with a piston (3) sliding therein, said work chamber being closed by a cylinder head (4), a device (5) operating in two stroke mode, for injecting liquid fuel atomized under high pressure, a system for loop scavenging through the cylinder head and two valves having the same cylindrical form and axes. The outer inlet valve (7) cooperates with a cylinder head seat (15), the other valvebeing an exhaust valve (6) of tubular shape which has a surface bearing against a seat (16) formed in the lower portion of the inlet valve (7). The inle valve opens into the work chamber and the exhaust valve opens in the opposite direction, thereby delimiting, between them, an exhaust passage (8). The injection device (5) opens into the work chamber substantially at the centre of a central hub (21) on the cylinder head, the exhaust valve (6) sliding along said hub.

Abstract translation: 内燃机包括具有在其中滑动的活塞（3）的圆柱形工作室（1），所述工作室由气缸盖（4）封闭，装置（5）以两冲程模式操作，用于喷射在 高压，通过气缸盖的循环清除系统和具有相同圆柱形和轴的两个阀。 外部入口阀（7）与气缸盖座（15）配合，另一个阀具有管状形式的排气阀（6），其具有抵靠在入口阀下部形成的座（16）的表面轴承（ 7）。 入口阀通向工作室，排气阀以相反的方向打开，从而在它们之间限定排气通道（8）。 注射装置（5）基本上在气缸盖上的中心毂（21）的中心开口进入工作室，排气阀（6）沿着所述毂滑动。

公开(公告)号：WO1991012419A1

公开(公告)日：1991-08-22

申请号：PCT/FR1991000056

申请日：1991-01-30

Applicant: S.N.C. MELCHIOR TECHNOLOGIE ,  MELCHIOR, Jean ,  ANDRE, Thierry ,  EDELMANN, Henry, Bernard

Inventor： S.N.C. MELCHIOR TECHNOLOGIE

IPC: F02B25/14

CPC classification number: F02B25/145 ,  F02B3/06 ,  F02B2075/025 ,  F02F2001/245

Abstract: In an engine with Diesel-type compression ignition, the exhaust valve(s) (10) are designed so that the flow is directed past at least the major part of its/their periphery, the piston (3) co-operates with the top of the cylinder head (6) leaving at top dead centre only the required operating clearance between the piston (3) and the part of the cylinder head in which the exhaust valve(s) is/are placed, and a cylindrical recess (14) housing the head (13) of one or each inlet valve (8) and through which is directed the flow from a fuel injector. Said recess is designed to form, virtually on its own, the combustion chamber (7) when the piston (3) is near top dead centre.

Abstract translation: 在具有柴油式压缩点火的发动机中，排气门（10）被设计成使得流动被引导至其周边的至少主要部分，活塞（3）与顶部 气缸盖（6）在上止点处离开活塞（3）和其中放置排气阀的气缸盖部分之间所需的工作间隙，以及圆柱形凹槽（14） 容纳一个或每个入口阀（8）的头部（13），并且通过该头部从燃料喷射器引导流。 当活塞（3）靠近上止点时，所述凹部被设计成实质上形成燃烧室（7）。

公开(公告)号：WO1997032115A1

公开(公告)日：1997-09-04

申请号：PCT/FR1997000354

申请日：1997-02-27

Applicant: S.N.C. MELCHIOR TECHNOLOGIE ,  MELCHIOR, Jean-Frédéric

Inventor： S.N.C. MELCHIOR TECHNOLOGIE

IPC: F01L01/28

CPC classification number: F01L1/285 ,  F02B2075/025

Abstract: An improvement to loop-scavenged two-stroke internal combustion engines with an intake valve (7) engaging a seat (10) for fresh air intake, and an exhaust valve (8) engaging a seat (13) for combustion gas exhaust, is disclosed. The valves are arranged in such a way that the fresh air intake scavenges a susbtantial part of the burnt gases. In at least one of said valves, the valve surface (21) located downstream from the valve face (9) and the surface (23) of the downstream extension of said seat (10) are configured in such a way that they form a substantially isentropic diffuser.

Abstract translation: 公开了一种对具有接合用于新鲜空气吸入的座（10）的进气门（7）和接合用于燃烧气体排气的座（13））的排气阀（8）的循环清扫二冲程内燃机的改进。 。 阀门以这样的方式排列，使得新鲜空气进口清除燃烧气体的一部分。 在至少一个所述阀中，位于阀面（9）下游的阀表面（21）和所述阀座（10）的下游延伸部分的表面（23）构造成使得它们形成基本上 等熵扩散器。