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    • 1. 发明申请
    • MARINE ENGINE MOUNTING SYSTEM
    • 海上发动机安装系统
    • WO1996015938A1
    • 1996-05-30
    • PCT/US1995014339
    • 1995-11-06
    • DETROIT DIESEL CORPORATION
    • DETROIT DIESEL CORPORATIONLAW, Roy, M.
    • B63H21/30
    • B63H21/305
    • A vibration absorbing assembly for mounting a marine engine (12) to a stringer (22) is provided, including: a mounting bracket (32) adapted for attachment to the marine engine (12); a base (52) adapted for attachment to a stringer (22); and first and second resilient vibration absorbing members (38, 70) supported within the mounting bracket (32) and selectively connected to the base (52), the first resilient member (38) being relatively more resistant in a horizontal direction for cushioning horizontal thrust loads acting upon the bracket (32) with respect to the base (52), the first resilient member (38) providing substantially zero resistance to vertical movement of the bracket (32) with respect to the base (52) when no horizontal thrust load is acting upon the bracket (32) with respect to the base (52), and the second resilient member (70) being relatively more resistant in a vertical direction for cushioning vertical loads upon the bracket (32) with respect to the base (52). Also provided is a three point marine engine and marine gear mounting assembly, including the above described vibration absorbing assembly.
    • 提供了一种用于将船用发动机(12)安装到纵梁(22)的振动吸收组件,包括:适于附接到船用发动机(12)的安装支架(32); 适于连接到桁条(22)的底座(52); 以及第一和第二弹性振动吸收构件(38,70),其被支撑在所述安装支架(32)内并且选择性地连接到所述基座(52),所述第一弹性构件(38)在水平方向上相对地更加抵抗以缓冲水平推力 负载相对于基座(52)作用在支架(32)上的负载,当没有水平推力载荷时,第一弹性构件(38)相对于基座(52)提供基本零阻力以支撑托架(32)的垂直运动 相对于基座(52)作用在支架(32)上,并且第二弹性构件(70)在垂直方向上相对地更加抵抗以缓冲支架(32)上相对于基座(52)的垂直载荷 )。 还提供了包括上述振动吸收组件的三点船用发动机和船用齿轮安装组件。
    • 2. 发明申请
    • ALLOYED GREY IRON HAVING HIGH THERMAL FATIGUE RESISTANCE AND GOOD MACHINABILITY
    • 合金灰铁具有高耐热性和良好的机械性能
    • WO1994008062A1
    • 1994-04-14
    • PCT/US1993006906
    • 1993-07-23
    • DETROIT DIESEL CORPORATION
    • DETROIT DIESEL CORPORATIONBEGIN, Roger, E.
    • C22C37/10
    • C22C37/10
    • A moderately high carbon alloy grey iron having a carbon content ranging from 3.4 % to 3.6 % by weight and primary alloying addition of the combination of molybdenum and copper in amounts by weight ranging from 0.25 % to 0.40 % and from about 0.30 % to 0.60 %, respectively for achieving thermal fatigue resistance and good machinability without adversely affecting chill depth, and with a relatively low silicon content of about 1.80 % to 2.10 %. The alloyed grey iron having the characteristics of: (i) a microstructure of a fully pearlitic matrix having a refined eutectic cell size, and graphite present in substantially uniform distribution and random orientation, the graphite having a flake size of predominantly 5-7 ASTM; (ii) a tensile strength of at least 40,000 psi in the desired section size; (iii) a hardness of about 179 to about 229 Brinell.
    • 碳含量为3.4%至3.6%重量的中等高碳合金灰铁,钼和铜组合的初次合金添加量为0.25-0.40%和0.30%-0.60% 分别用于实现耐热疲劳性和良好的机械加工性,而不会不利地影响冷却深度,并且具有约1.80%至2.10%的相对较低的硅含量。 具有以下特征的合金灰铁:(i)具有精细共晶细胞尺寸的完全珠光体基质的微结构,以及基本均匀分布和随机取向存在的石墨,所述石墨具有主要为5-7 ASTM的薄片尺寸; (ii)所需截面尺寸的拉伸强度至少为40,000psi; (iii)约179至约229布氏硬度。
    • 3. 发明申请
    • INTAKE MANIFOLD ASSEMBLY FOR FOUR-CYCLE INTERNAL COMBUSTION ENGINE
    • 为四周内燃机引入歧管组件
    • WO1997013062A1
    • 1997-04-10
    • PCT/US1996015263
    • 1996-09-24
    • DETROIT DIESEL CORPORATION
    • DETROIT DIESEL CORPORATIONFABER, Roger, Allen
    • F02B75/18
    • F02M35/10052F02F7/006F02M35/10124F02M35/10262F02M35/1045F02M35/112F02M35/164F02M39/00F02M55/02F02M61/14Y02T10/146
    • An intake manifold assembly (10) is disclosed for an internal combustion engine (12). The intake manifold assembly (10) includes an intake manifold of a predetermined length and includes a plenum (70) having an interior wall surface and a predetermined cross-sectional area in a plane transverse to the length of the plenum. An air inlet (106) is located mid-way of the length of the plenum, and the air inlet (106) is generally circular in cross section. A plurality of outlet portions (104), each having an outlet port (82) in air flow communication with the plenum (70), each of the outlet ports (82) being substantially equally spaced along the length of said plenum. A cross-sectional area of the outlet port (82) of each outlet portion (104) is substantially equal to the cross-sectional flow area of the plenum (70) and of the air inlet portion (106). A diverter partition (72) extends integrally from the inner wall of the plenum (70) in a direction toward the mid-point of the air inlet (106) to divert incoming air flow and evenly distribute the air flow to each of the respective outlet ports (82).
    • 公开了一种用于内燃机(12)的进气歧管组件(10)。 进气歧管组件(10)包括具有预定长度的进气歧管,并且包括具有内壁表面和在横跨于气室长度的平面中的预定横截面积的气室(70)。 空气入口(106)位于气室长度的中间,空气入口(106)的横截面大致为圆形。 多个出口部分(104),每个出口部分(104)均具有与气室(70)空气流动连通的出口(82),每个出口端口(82)沿着所述集气室的长度基本相等间隔。 每个出口部分(104)的出口(82)的横截面面积基本上等于集气室(70)和空气入口部分(106)的横截面积。 分流器隔板(72)沿着朝向空气入口(106)的中点的方向从充气室(70)的内壁一体地延伸,以转移进入的空气流并均匀地将空气流分配到每个出口 港口(82)。
    • 6. 发明申请
    • INTERNAL COMBUSTION ENGINE BLOCK HAVING A CYLINDER LINER SHUNT FLOW COOLING SYSTEM AND METHOD OF COOLING SAME
    • 具有圆柱滚子衬套流动冷却系统的内燃发动机缸体及其冷却方法
    • WO1994000683A1
    • 1994-01-06
    • PCT/US1993004880
    • 1993-05-24
    • DETROIT DIESEL CORPORATION
    • DETROIT DIESEL CORPORATIONKENNEDY, Lawrence, C.
    • F02F01/16
    • F02F1/14F02B3/06F02B2075/027F02F2007/0063
    • An internal combustion engine block (10) having a circumferential channel (34) formed between the cylinder block (10) and a cylinder liner (14), surrounding and adjacent to the high temperature combustion chamber region of the engine, to which coolant flow is diverted from the main coolant stream to uniformly and effectively cool this critical area of the liner. The high velocity flow of the main coolant stream, as it passes the end of the cylinder liner adjacent the combustion chamber provides a reduced pressure head at the port interconnecting the outlet end of the circumferential channel with the main coolant stream. Channel entrance holes (36), located upstream at relatively stagnant regions in the main coolant flow, are at a higher pressure head than the channel exit port (38), thus inducing flow through the channel at a high velocity flow.
    • 一种内燃机缸体(10),其具有形成在气缸体(10)和汽缸套(14)之间的周向通道(34),该气缸套(14)围绕并邻近发动机的高温燃烧室区域,冷却剂流是 从主冷却剂流转向均匀且有效地冷却衬套的这个关键区域。 当主冷却剂流通过邻近燃烧室的气缸套的端部时,主冷却剂流的高速流动在连接周向通道的出口端与主冷却剂流的端口处提供减压头。 位于主冷却剂流中相对滞留区域上游的通道入口孔(36)处于比通道出口(38)更高的压力头部,从而以高速流动引导通过通道。