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    • 53. 发明申请
    • MANUFACTURING PISTONS
    • 制造活塞
    • WO02001059A1
    • 2002-01-03
    • PCT/GB2001/002835
    • 2001-06-26
    • F02F3/00F02F3/12F16J1/00F16J1/01F02F3/14
    • F02F3/12F02F3/0084F05C2201/021F05C2253/16
    • A piston for use in an internal combustion engine is manufactured by forming a blank (10, 50, 70) from a first material, providing a region (20, 60, 80) of a second material in a surface portion (12, 52, 54) of the blank (10, 50, 70), the second material being secured to said first material, and forming a recess (14, 28, 56, 68, 86) so that the recess has a bounding surface at least part of which is formed by the second material. The region (20, 60, 80) of the second material is formed and secured to the first material by inserting a tool (22) into the blank (10, 50, 70), bringing about relative reciporcating movement between the tool and the blank (10, 50, 70) so that frictional heat is generated plasticising the material adjacent to the tool, and by causing relative translational movement between the blank and the tool while continuing the reciprocating movement therebetween so that the tool (22) moves through said region (20, 60, 80), thereby forming the second material and mixing it with the first material at the edges of said region to secure the materials together.
    • 通过从第一材料形成坯料(10,50,70)来制造用于内燃机的活塞,在第一材料的表面部分(12,52)中提供第二材料的区域(20,60,80) 所述第二材料固定到所述第一材料,并形成凹部(14,28,56,68,86),使得所述凹部具有边界表面至少部分 其由第二材料形成。 第二材料的区域(20,60,80)通过将工具(22)插入坯料(10,50,70)而形成并固定到第一材料,从而导致工具和坯料之间的相对的调节运动 (10,50,70),使得产生摩擦热使靠近工具的材料塑化,并且通过在坯件和工具之间进行相对平移运动,同时继续其间的往复运动,使得工具(22)移动通过所述区域 (20,60,80),从而形成第二材料并将其与所述区域的边缘处的第一材料混合,以将材料固定在一起。
    • 55. 发明申请
    • INVERSE PERISTALTIC ENGINE
    • 逆向发动机
    • WO00057044A1
    • 2000-09-28
    • PCT/US2000/007743
    • 2000-03-22
    • F01B3/04F02B3/06F02B57/08F02B75/02F02B75/36F02F7/00
    • F02B75/36F01B3/04F02B3/06F02B57/08F02B2075/025F02B2075/027F02F7/0087F05C2253/16
    • An inverse peristaltic engine system having a fixed principal chamber (1), substantially circular in cross section, housing a series of traveling combustion chambers. The inner and outer interior walls of the principal chamber are contoured so that the width of the principal chamber varies with respect to position. The combustion chambers consist of a cylinder (5) housing two opposing pistons (10). The connecting rod on each of the pistons has been modified to include two pairs of wheels (9) which contact the contoured surfaces of the principal chamber's inner walls. As the cylinders travel through the principal chamber, the pistons are forced to move toward one another and apart from one another as the space between the walls of the principal chamber varies during their travel. Further provided is a plurality of ports in the ceiling and floor of the principal chamber and port interfaces in the top and bottom sides of the cylinders, which together provide for the intake and exhausting of fuel. Additionally, several drive spokes (7) are attached to the ring of cylinders so that it may rotate the driveshaft at the center of the engine as the cylinders travel in a circular path through the principal chamber.
    • 具有固定主室(1)的反向蠕动式发动机系统,其横截面基本为圆形,容纳一系列行进燃烧室。 主室的内部和外部内壁的轮廓是使得主室的宽度相对于位置而变化。 燃烧室由容纳两个相对的活塞(10)的气缸(5)组成。 每个活塞上的连杆已被修改为包括与主室的内壁的轮廓表面接触的两对轮(9)。 当气缸行进通过主室时,当主室的壁之间的空间在其行进期间变化时,活塞被迫彼此移动并彼此分开。 还提供了主缸的天花板和地板中的多个端口和在气缸的顶侧和底侧的端口接口,这些端口一起提供燃料的进入和排出。 另外,多个驱动轮辐(7)连接到气缸环上,使得当气缸以通过主室的圆形路径行进时,驱动轴可以在发动机的中心旋转驱动轴。
    • 58. 发明申请
    • FIBER REINFORCED CERAMIC MATRIX COMPOSITE INTERNAL COMBUSTION ENGINE INTAKE/EXHAUST PORT LINERS
    • 纤维增强陶瓷基体复合内燃机发动机吸入/排气口衬
    • WO1998037036A1
    • 1998-08-27
    • PCT/US1997022594
    • 1997-12-10
    • NORTHROP GRUMMAN CORPORATION
    • NORTHROP GRUMMAN CORPORATIONSTRASSER, Thomas, EdwardATMUR, Steven, Donald
    • C04B35/80
    • F02F7/0087C04B35/80F02B77/02F05C2203/08F05C2253/16
    • A heat-resistant, thermally insulative, ductile port liner for a head of an internal combustion (IC) engine having a tube-shaped structure formed from at least one layer of fiber reinforced ceramic matrix composite (FRCMC) material. The FRCMC material includes a polymer-derived ceramic resin in its ceramic form and fibers. In a first embodiment of the port liner, the tube-shaped structure has one FRCMC layer forming the sole, solid wall of the structure. Whereas, in a second embodiment, the tube-shaped structure has two FRCMC layers forming inner and outer walls of the structure, respectively, with an intervening space separating the inner and outer walls. The intervening space is sealed at both ends. It can be filled with a thermally insulating material, evacuated and held at substantially a vacuum pressure, or filled with a gas. Once the port liner has been formed, it is preferably cast-in-place when the metal head of the IC engine is formed. This entails positioning the port liners within a mold designed to form the metal head in locations corresponding to the intake and exhaust ports of the head. Then, the mold is filled with molten metal to form the head with the port liners being integrally cast therewith.
    • 一种具有由至少一层纤维增强陶瓷基复合材料(FRCMC)材料形成的管状结构的内燃(IC)发动机头部的耐热绝热的延性端口衬套。 FRCMC材料包括其陶瓷形式的聚合物衍生的陶瓷树脂和纤维。 在端口衬套的第一实施例中,管状结构具有一个FRCMC层,其形成该结构的底部实心壁。 而在第二实施例中,管状结构具有分别形成该结构的内壁和外壁的两个FRCMC层,其间隔开内壁和外壁。 中间空间在两端密封。 它可以填充绝热材料,抽真空并保持在基本上真空压力下,或填充气体。 一旦端口衬垫已经形成,当形成IC发动机的金属头时,优选地是现场浇注。 这需要将端口衬垫定位在设计成在对应于头部的进气和排气端口的位置形成金属头的模具内。 然后,用熔融金属填充模具以形成头部,端口衬套与其一体铸造。