-
公开(公告)号：US5746584A
公开(公告)日：1998-05-05
申请号：US611670
申请日：1996-03-06
申请人： Hisashi Nakamura , Kenichi Kubo , Jun Matsubara , Kazuaki Narikiyo , Hajime Machida , Noriyuki Abe , Tsunayoshi Motoyoshi , Atsushi Ueda
发明人： Hisashi Nakamura , Kenichi Kubo , Jun Matsubara , Kazuaki Narikiyo , Hajime Machida , Noriyuki Abe , Tsunayoshi Motoyoshi , Atsushi Ueda
CPC分类号： F02M41/1405
摘要： In an inner cam type injection pump, the side surface of the protruding portion of each of the plungers facing the compression space is formed in a projecting shape in the area where the plunger changes from the base end side into the front end. Specific forms of the projection include a structure constituted with slanted surfaces over a plurality of stages with different inclinations relative to the axis of the plunger, an arc form and a structure provided with a overhanging portion formed on the side surface of the protruding portion, which does not overhang the base end, projecting out from the side surface. This will prevent collision at the shoulder portion of the plunger and, consequently, prevent the deformation at the shoulder portion and ensures that plungers will not have sliding failures or become seized. Even when plungers collide, the sliding of the plungers will not be affected, ensuring that plungers do not have sliding failures or become seized.
摘要翻译： 在内凸轮型喷射泵中，每个柱塞的面向压缩空间的突出部分的侧表面在柱塞从基端侧向前端改变的区域中形成为突出形状。 突起的具体形式包括由相对于柱塞的轴线具有不同倾斜度的多个台阶上的倾斜表面构成的结构，弧形和设置有形成在突出部分的侧表面上的突出部分的结构， 不会从基面突出，从侧面突出。 这将防止在柱塞的肩部处的碰撞，从而防止在肩部处的变形，并确保柱塞不会有滑动故障或被抓住。 即使柱塞碰撞，柱塞的滑动也不会受到影响，确保柱塞没有滑动故障或被抓住。
-
公开(公告)号：US5619971A
公开(公告)日：1997-04-15
申请号：US490839
申请日：1995-06-15
CPC分类号： F02M41/1405 , F02M41/1411
摘要： The inside of the housing is divided into a low pressure fuel area formed from a fuel inflow port through a feed pump 4 and a high pressure fuel area that can communicate with inflow/outflow ports for fuel. For instance, the low pressure fuel area may be formed as a path extending from the fuel intake port that communicates with the circumferential area of the front end of the rotor to the feed pump via the circumferential area of the rotor support member and a passage for inducing fuel from the high pressure fuel area to the circumferential area of the front end of the rotor may be formed between the rotor and its support member. The flow of fuel in the area where the rotor slides in contact with its support member is ensured, and oil film loss is prevented. With this, cooling and good lubrication in the rotor sliding contact area, where heat is likely to be generated, are promoted, to prevent seizure in the sliding contact area. Also, ports that open into the area where the rotor slides in contact with its support member and that communicates with the compression space may be provided in the rotor so that compressed fuel is supplied directly to the sliding contact area.
摘要翻译： 壳体的内部被分为由燃料流入口形成的低压燃料区域，通过进料泵4和能与燃料的流入/出流端口连通的高压燃料区域。 例如，低压燃料区域可以形成为从燃料进入口延伸的路径，其通过转子支撑构件的周向区域与转子的前端的周边区域连通到进给泵，并且通道用于 可以在转子和其支撑构件之间形成从高压燃料区域引导到转子前端的圆周区域的燃料。 确保转子与其支撑部件滑动的区域中的燃料流动，并且防止油膜损失。 由此，促进了易于产生热量的转子滑动接触区域的冷却和良好的润滑，以防止滑动接触区域中的卡滞。 此外，可以在转子中设置开口到转子滑动与其支撑构件接触并与压缩空间连通的区域的端口，使得压缩的燃料被直接供应到滑动接触区域。
-
公开(公告)号：US5857444A
公开(公告)日：1999-01-12
申请号：US919361
申请日：1997-08-28
申请人： Kenichi Kubo , Kazuaki Narikiyo , Jun Matsubara
发明人： Kenichi Kubo , Kazuaki Narikiyo , Jun Matsubara
CPC分类号： F02M41/1416 , F02M41/1405
摘要： A rotor that rotates in synchronization with an engine is provided inside a housing and a cam ring is provided outside and around the rotor so that plungers are caused to move reciprocally in the direction of the radius by the cam ring as the rotor rotates. At both sides of the cam ring, support members (barrel 8, bearing support member 6) constituted of the same material as that of the cam ring are secured to the housing and to both sides of the cam ring, and these support members alone hold the cam ring from both sides rotatably. A connecting rod connecting the cam ring and the timer mechanism is formed as an integrated part of the cam ring. The clearance between the cam ring and the members holding it can be set small so that the vibration of the cam ring is reduced to minimize the impact noise made by the cam ring and wear of the cam ring. In addition, the connection strength between the cam ring and timer mechanism is increased.
摘要翻译： 与发动机同步旋转的转子设置在壳体内部，并且凸轮环设置在转子的外部和周围，使得当转子旋转时，柱塞在半径方向上通过凸轮环往复运动。 在凸轮环的两侧，由与凸轮环的材料相同的材料构成的支撑构件（筒8，轴承支撑构件6）固定到壳体和凸轮环的两侧，并且这些支撑构件仅保持 凸轮环从两侧可旋转。 连接凸轮环和定时器机构的连接杆形成为凸轮环的一体部分。 凸轮环与保持其的构件之间的间隙可以设定得较小，使得减小凸轮环的振动以最小化由凸轮环产生的冲击噪声和凸轮环的磨损。 此外，凸轮环和定时器机构之间的连接强度增加。
-
公开(公告)号：US5915360A
公开(公告)日：1999-06-29
申请号：US52677
申请日：1998-04-01
CPC分类号： F02M41/1411
摘要： In a spill control apparatus for a fuel injection system in which a sleeve is externally fitted to a rotor, and the position of the sleeve relative to the rotor is used to adjust the communication timing between a port on the rotor and a port on the sleeve, the port formed at the rotor is constituted of a first indented portion formed over a specific angle of rotation and a second indented portion formed to achieve specific spill characteristics. The second indented portion is formed continuous to the front end of the first indented portion in the direction of rotation and the contour of the second indented portion is continuous to the contour of the first indented portion which is constituted of oblique sides which extend toward the front relative to the direction of rotation. The length of the rotor port in the axial direction may be set smaller than the length of the port formed on the sleeve in the axial direction. Thus, it is possible to inhibit the entry of dust particles into the area between the rotor and the sleeve, reducing the incidence of scarring induced on the sliding contact surfaces of the rotor and sleeve, and preventing the seizure of the rotor and the sleeve.
摘要翻译： 在用于燃料喷射系统的溢流控制装置中，其中套筒外部装配到转子上，并且套筒相对于转子的位置用于调节转子上的端口与套筒上的端口之间的连通定时 形成在转子上的端口由形成在特定旋转角度上的第一凹口部分和形成为实现特定溢出特性的第二凹入部分构成。 第二缩进部分在旋转方向上与第一凹入部分的前端连续地形成，并且第二凹入部分的轮廓与第一凹槽部分的轮廓连续，该第一缩进部分由朝向前方延伸的斜边构成 相对于旋转方向。 转子端口在轴向上的长度可以被设定为小于在轴向上形成在套筒上的端口的长度。 因此，可以抑制灰尘颗粒进入转子和套筒之间的区域，减少在转子和套筒的滑动接触表面上引起的疤痕的发生，并且防止转子和套筒的卡住。
-
公开(公告)号：US5513965A
公开(公告)日：1996-05-07
申请号：US445209
申请日：1995-05-18
申请人： Hisashi Nakamura , Kenichi Kubo , Jun Matsubara
发明人： Hisashi Nakamura , Kenichi Kubo , Jun Matsubara
CPC分类号： F02M41/1411
摘要： In an innercam system fuel injection pump, plungers 15 are provided in the direction of the radius of a rotating member 10 which rotates in synchronization with the engine. A cam ring 18, which regulates the movement of the plungers, is fixed in a housing 2. A first sleeve 25 for regulating the timing with which a cutoff port 22 opens and a second sleeve 26 for regulating the timing with which an intake port 21 opens are externally fitted on the rotating member 10 in such a manner that they can slide freely. The first sleeve 25 and the second sleeve 26 interlock with each other in a specific relationship and a timer mechanism 40, which is directly linked to the second sleeve 26, controls the quantity of rotation of the second sleeve 26. With this, stable injection timing control can be achieved.
摘要翻译： 在内胆系统燃料喷射泵中，柱塞15设置在与发动机同步旋转的旋转构件10的半径方向上。 调节柱塞运动的凸轮环18被固定在壳体2中。用于调节截止端口22打开的时机的第一套筒25和用于调节进气口21的定时的第二套筒26 开口以这样一种方式自由滑动地外装在旋转构件10上。 第一套筒25和第二套筒26以特定关系彼此互锁，并且直接连接到第二套筒26的定时器机构40控制第二套筒26的旋转量。由此，稳定的喷射正时 可以实现控制。
-
公开(公告)号：US5806493A
公开(公告)日：1998-09-15
申请号：US977239
申请日：1997-11-24
申请人： Kenichi Kubo , Mitsunori Urano , Toru Yokota , Jun Matsubara
发明人： Kenichi Kubo , Mitsunori Urano , Toru Yokota , Jun Matsubara
CPC分类号： F02M41/1405
摘要： In an inner-cam system fuel injection pump, two balance ports that are offset symmetrically relative to a distribution port in a circumferential direction to form a Y-shape are formed at a rotor. The opening ends of the balance ports and the opening end of the distribution port are positioned on the same plane that is perpendicular to the axis of the rotor. The offset angle .theta. by which the balance ports are offset in the circumferential direction relative to the axis of the distribution port, the opening area S.sub.1 of the distribution port and the opening area S.sub.2 of each of the balance ports are set to satisfy a relationship expressed as S.sub.1 =.vertline.2.multidot.S.sub.2 .multidot.cos .theta..vertline.. The phase intervals of the fuel delivery passages and the phase interval of the two balance ports are set equal to each other. Seizure at the area where the rotor slides in contact with its supporting member is prevented effectively and stable injection characteristics are achieved by equalizing the residual pressures in the individual fuel delivery passages.
摘要翻译： 在内凸轮系的燃料喷射泵中，在转子上形成有两个平衡端口，其相对于分配口在圆周方向上对称地偏移以形成Y形。 平衡口的开口端和分配口的开口端位于垂直于转子轴线的同一平面上。 平衡端口相对于分配口的轴线在圆周方向上偏移的偏移角度θ，分配口的开口面积S1和每个平衡端口的开口面积S2被设定为满足表达的关系 如S1 = | 2xS2xcos theta |。 燃料输送通道的相位间隔和两个平衡端口的相位间隔彼此相等。 有效地防止了转子滑动与其支撑构件接触的区域的缉获，并且通过均衡各个燃料输送通道中的残余压力来实现稳定的喷射特性。
-
7.发明授权Two stage fuel injection pump with second stage located in the first stage inlet line 失效二级燃油喷射泵，第二级位于第一级入口管路
公开(公告)号：US5641274A
公开(公告)日：1997-06-24
申请号：US413438
申请日：1995-03-30
CPC分类号： F02M41/1405 , F02M39/005 , F02M41/1411 , F02M41/1427 , F02D2200/0606
摘要： A low pressure side fuel path extending from a fuel inflow port to a feed pump, and a chamber, which can communicate with an inflow/outflow port, are formed by partitioning inside a housing. A cam ring, shoes and rollers are provided in the low pressure side fuel path to induce low pressure, low temperature fuel into the area surrounding the rollers. A space that communicates with the low pressure side fuel path without constriction is formed on the upstream side on the back surfaces of the shoes. A phase of the cam ring and the control sleeve is fixed with the adapter provided on the boundary of the low pressure side fuel path and the chamber. An intake passage communicating with the intake port may be formed in the adapter to shorten the intake path. The area around the rollers, which tends to become heated in an inner-cam type fuel injection pump, is cooled efficiently, cam jump is reduced, control of advance angle is performed separately and independently of the fuel injection quantity control, and the efficiency of fuel intake is improved.
摘要翻译： 通过在壳体内分隔而形成从燃料流入口向供给泵延伸的低压侧燃料路径，以及能够与流入口流通的室。 在低压侧燃料路径中设置有凸轮环，鞋和辊，以将低压，低温燃料引入到辊周围的区域中。 在鞋的背面的上游侧形成有与低压侧燃料路径连通而没有收缩的空间。 凸轮环和控制套筒的相位与设置在低压侧燃料路径和室的边界上的适配器固定。 可以在适配器中形成与进气口连通的进气通道，以缩短进气通道。 在内凸轮式燃料喷射泵中易于加热的辊周围的区域被有效地冷却，凸轮跳转减小，提前角的控制独立于燃料喷射量控制执行，并且效率 燃油消耗量得到改善。
-
8.发明授权Method for varying the flow rate of fuel in a distributor-type electronic control fuel-injection pump 失效用于改变分配器式电子控制燃料喷射泵中的燃料流量的方法
公开(公告)号：US5115783A
公开(公告)日：1992-05-26
申请号：US623655
申请日：1990-12-19
CPC分类号： F02M59/366 , F02D1/183 , F02D41/30 , F02D41/408 , F02M41/125 , F02M41/128 , F02M63/0215 , F02B3/06 , Y02T10/44
摘要： A method for varying the flow rate of fuel in a distributor-type electronic control fuel-injection pump. A single solenoid valve is used to control the timing of initiating and terminating fuel delivery. A cam is operated under four different modes, a low idle or a low speed/low load zone, a middle load zone, a high load zone, and a governing or high idle zone in that order as the cam is rotated. At the governing or high idle zone, the solenoid valve is closed before the cam is lifted and is opened to control fuel delivery when it is terminated.
摘要翻译： 一种用于改变分配器式电子控制燃料喷射泵中的燃料流量的方法。 单个电磁阀用于控制启动和终止燃油输送的时间。 当凸轮旋转时，凸轮以四个不同的模式操作，低空闲或低速/低负载区域，中间负载区域，高负载区域以及调节或高空闲区域。 在控制或高空闲区域，电磁阀在凸轮提升之前关闭，并且在其被终止时打开以控制燃料输送。
-
公开(公告)号：US5165851A
公开(公告)日：1992-11-24
申请号：US687248
申请日：1991-04-18
CPC分类号： F02M41/121 , F02M59/102
摘要： There is disclosed an improved cam for a fuel injection pump. The cam has a mountain-like cam projection at its surface disposed in contact with a roller. The cam projection has a lift region extending from a leading end thereof to a peak thereof. At the lift region, the cam is lifted in response to the rotation of the cam, so that a plunger is moved to pressurize fuel in a pump chamber. The lift region has first, second and third angle portions arranged in this order from the leading end of the cam projection toward the peak of the cam projection. The first angle portion serves to increase a lift speed of the cam, and terminates in a position where the lift speed becomes the maximum. The second angle portion serves to lower the lift speed. The deceleration is greater at an initial section of the second angle portion than at a final portion of the second angle portion. The lift speed decreases with a greater deceleration at the third angle portion than at the final section of the second angle portion, and becomes zero at the peak of the cam projection.
-
10.发明授权Molten metal supply cylinder, molten metal supply apparatus incorporating such a supply cylinder and molten metal supply method 失效熔融金属供给圆筒，熔融金属供给装置，这样的供给气缸和熔融金属供给方法公开(公告)号：US08622261B2
公开(公告)日：2014-01-07
申请号：US12737727
申请日：2009-08-07
申请人： Motoyuki Itoh , Kenichi Kubo
发明人： Motoyuki Itoh , Kenichi Kubo
IPC分类号： B22D37/00
CPC分类号： C03C27/08 , B23K2101/34 , B23K2103/54
摘要： A molten metal supply cylinder for melting a low melting point metallic material in a solid phase and supplying the molten metal material, including a melting section to be directly or indirectly brought into contact with a low melting point metallic material to produce molten metal, and a substantially tubular flow path that has a first opening formed at an end thereof in the melting section and a second opening at the other end thereof and allows the molten metal produced in the melting section to flow. An oxide of the surface layer of the low melting point metallic material is removed by an oxide removing section before the low melting point metallic material is molten in the melting section.
摘要翻译： 一种用于熔化固相中的低熔点金属材料并供应熔融金属材料的熔融金属供应圆筒，其包括直接或间接与低熔点金属材料接触以产生熔融金属的熔化部分，以及 基本上为管状的流动路径，其具有在其熔化部分的端部处形成的第一开口和在其另一端处的第二开口，并允许在熔化部分中产生的熔融金属流动。 低熔点金属材料在熔化部分熔融之前，通过氧化物去除部分除去低熔点金属材料的表面层的氧化物。
-
-
-
-
-
-
-
-
-
搜索结果
40 条记录 (耗时 0.044 秒)
