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1. 外观设计

USD495342S1 Reciprocating pump 失效
标题翻译：往复泵
公开(公告)号：USD495342S1
公开(公告)日：2004-08-31
申请号：US29176635
申请日：2003-02-27
申请人： Nobuo Tojo , Toshiaki Ohnishi
设计人： Nobuo Tojo , Toshiaki Ohnishi

2. 发明申请

US20090257897A1 RECIPROCATING PUMP 审中-公开
标题翻译：再生泵
公开(公告)号：US20090257897A1
公开(公告)日：2009-10-15
申请号：US12418985
申请日：2009-04-06
申请人： Nobuo Tojo
发明人： Nobuo Tojo
IPC分类号： F04B53/10
CPC分类号： F04B53/16 , F04B53/007 , F04B53/162
摘要： The present invention provides a pump having a compact and lightweight design, which enables an improvement in pump efficiency and a reduction in noise. The pump comprises a manifold having a pump chamber, a suction port for sucking fluid from the outside to the inside of the manifold, a discharge port for discharging fluid from the inside to the outside of the manifold, a suction valve which is provided between a suction port and a pump chamber, and opens and closes a flow path of fluid to the pump chamber, and a discharge valve which is provided between the pump chamber and the discharge port, and opens and closes a flow path of fluid from the pump chamber. Furthermore, the suction port, the suction valve, the discharge valve and the discharge port are arranged coaxially, thereby the fluid does not meet unnecessary resistance, the fluid is made to flow smoothly, pump efficiency can be improved, noise can be reduced, and the structure of the manifold can be simplified and made compact and lightweight.
摘要翻译：本发明提供一种具有紧凑且重量轻的设计的泵，其能够提高泵的效率和降低噪音。所述泵包括具有泵室的歧管，用于从所述歧管的外部向所述内部吸入流体的吸入口，用于从所述歧管的内部向所述外部排出流体的排出口，设置在所述歧管的内部的吸入阀吸入口和泵室，并且打开和关闭到泵室的流体的流动路径，以及设置在泵室和排出口之间的排出阀，并且打开和关闭来自泵室的流体的流动路径。此外，吸入口，吸入阀，排出阀和排出口同轴地配置，因此流体不会遇到不必要的阻力，使流体平滑流动，可以提高泵的效率，降低噪音，并且歧管的结构可以简化，并且结构紧凑轻巧。

3. 发明授权

US4875690A Seal device for reciprocating pump 失效
标题翻译：往复式泵的密封装置
公开(公告)号：US4875690A
公开(公告)日：1989-10-24
申请号：US177954
申请日：1988-04-05
申请人： Nobuo Tojo
发明人： Nobuo Tojo
IPC分类号： F04B53/14 , F04B53/16 , F16J15/18
CPC分类号： F04B53/164 , F16J15/186
摘要： A sealing device for a reciprocating pump of the type having a pump housing provided with a bore formed therein. The bore is provided at its one end with an opening through which it communicates with the exterior of the pump housing while the other end of the bore receives a reciprocating member such as a plunger. The sealing device includes a seal case received in the bore and having a bore through which the reciprocating member extends, a sealing member such as a packing held on the inner periphery of the seal case and having an inner peripheral surface adapted to be slidingly contacted by the outer peripheral surface of the reciprocating member, a closure separate from the pump housing and removably attached to the pump housing so as to close the opening on the one end of the bore, and a coiled compression spring loaded between the closure and either one of the seal case and the sealing member.
摘要翻译：一种用于往复泵的密封装置，其具有在其中形成有孔的泵壳体。孔的一端设置有开口，通过该开口与泵壳体的外部连通，而孔的另一端容纳诸如柱塞的往复运动构件。所述密封装置包括容纳在所述孔中的密封壳体，所述密封壳体具有所述往复运动件延伸穿过的孔，密封构件，例如密封壳体的内周上保持的密封件，并且具有内周面，往复运动构件的外周表面，与泵壳体分离并且可移除地附接到泵壳体的封闭件，以封闭孔的一端上的开口，以及加载在封闭件与封闭件之间的螺旋压缩弹簧密封件和密封件。

4. 外观设计

USD591311S1 Reciprocating pump 有权
标题翻译：往复泵
公开(公告)号：USD591311S1
公开(公告)日：2009-04-28
申请号：US29323220
申请日：2008-08-21
申请人： Nobuo Tojo
设计人： Nobuo Tojo

5. 发明申请

US20070237651A1 Reciprocating pump apparatus 审中-公开
标题翻译：往复泵装置
公开(公告)号：US20070237651A1
公开(公告)日：2007-10-11
申请号：US11729243
申请日：2007-03-28
申请人： Nobuo Tojo
发明人： Nobuo Tojo
IPC分类号： F04B27/08 , F04B35/00 , F04B17/00
CPC分类号： F04B53/22 , F04B53/16
摘要： An objective is to provide a reciprocating pump apparatus which can change a position where an adaptor to be fixed to a support is attached, while having a simple form.In a reciprocating pump apparatus 10 having a crankshaft 14 directly connected to an output shaft of a driving source, positions of bolts 22a to 22d for fixing a bearing case 20 for closing an open end part of a crankcase 16 to the crankcase are determined such that an adaptor 40 for fixing the reciprocating pump apparatus to a support 58 is fastened to the crankcase together with the bearing case in a positionally changeable fashion. Since the position of the adaptor is changeable, the degree of freedom in the layout of apparatus improves in this structure. Also, since bolts for fixing a manifold to the crankcase are utilized for attaching the adaptor, a simple form is attained.
摘要翻译：目的是提供一种往复式泵装置，其可以改变固定到支撑件的适配器的位置，同时具有简单的形式。在具有直接连接到驱动源的输出轴的曲轴14的往复式泵装置10中，确定用于将用于将曲轴箱16的开口端部封闭到曲轴箱的轴承箱20固定的螺栓22a至22d的位置使得用于将往复式泵装置固定到支撑件58的适配器40与位置可变的方式与轴承箱一起紧固到曲轴箱。由于适配器的位置是可变的，所以在该结构中设备的布局自由度得到改善。此外，由于用于将歧管固定到曲轴箱的螺栓用于安装适配器，所以实现了简单的形式。

6. 外观设计

USD538824S1 Reciprocating pump 有权
标题翻译：往复泵
公开(公告)号：USD538824S1
公开(公告)日：2007-03-20
申请号：US29259726
申请日：2006-05-16
申请人： Nobuo Tojo
设计人： Nobuo Tojo

7. 发明授权

US06053091A Plunger pump 失效
标题翻译：柱塞泵
公开(公告)号：US06053091A
公开(公告)日：2000-04-25
申请号：US090385
申请日：1998-06-04
申请人： Nobuo Tojo
发明人： Nobuo Tojo
IPC分类号： F04B1/16 , F04B1/14 , F04B53/00 , F04B53/16 , F01B3/00
CPC分类号： F04B1/143 , F04B53/008 , F04B53/166
摘要： A plunger pump comprising a plunger pump section (34) including a pumping chamber (60), a plunger (36) extending through the pumping chamber, a high pressure side-seal (58) and a low pressure side-seal (56) provided in slide contact with the plunger for preventing leakage of fluid from the pumping chamber, an annular and sealing through which a plunger (36) slidably extends into the pumping chamber (60), and an annular space (62) being defined between the high pressure side-seal (58) and the low pressure side-seal (56) so that it can receive liquid from a suction port (74) for lubrication of the plunger. Even when the plunger pump section (34) is installed at a predetermined or any circumferencial position, air is intended to be vented from the annular space (62). For this purpose, three circumferencially spaced channels (78) are formed in an inner wall of a manifold member (18) surrounding a sleeve (52) defining the pumping chamber (60) and communicate at their ends with the suction port (74) and (62).
摘要翻译：一种柱塞泵，包括柱塞泵部分（34），其包括泵送室（60），延伸穿过泵送室的柱塞（36），设置有高压侧密封件（58）和低压侧密封件（56）与所述柱塞滑动接触以防止来自所述泵送室的流体泄漏;环形和密封，柱塞（36）可滑动地延伸到所述泵送室（60）中;以及环形空间（62），其被限定在所述高压侧密封件（58）和低压侧密封件（56），使得其可以从用于润滑柱塞的吸入口（74）接收液体。即使当柱塞泵部分（34）安装在预定的或任何圆周的位置时，空气意欲从环形空间（62）排出。为此，三个周向隔开的通道（78）形成在围绕限定泵送室（60）的套筒（52）的歧管构件（18）的内壁中，并在其端部与抽吸口（74）连通，并且（62）。

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