公开(公告)号：US20120051961A1

公开(公告)日：2012-03-01

申请号：US13080714

申请日：2011-04-06

申请人： Masaki MISUNOU ,  Toshihiro Koizumi ,  Chiharu Nakazawa

发明人： Masaki MISUNOU ,  Toshihiro Koizumi ,  Chiharu Nakazawa

IPC分类号： F01C17/02 ,  B23P11/00

CPC分类号： F04C2/10 ,  F04C2/14 ,  F04C15/0026 ,  F04C2230/602 ,  Y10T29/49826

摘要： A pump apparatus including a drive shaft and a driven shaft supported by bearing members, respectively, a center plate, first external gears, second external gears, first and second side plates, first and second seal members, a pressing means for applying a pressing force between the tooth tips of the respective external gears and the seal surface of the respective seal members in a closing region disposed between the respective external gears and the respective seal members, wherein contact between inner circumferential surfaces of the bearing members and an outer circumferential surface of the drive shaft is established on the side of the closing region, while the tooth tips of the respective external gears and the seal surface of the respective seal members in the closing region are kept pressed against each other by the pressing means.

摘要翻译： 一种泵装置，包括分别由轴承构件支撑的驱动轴和从动轴，中心板，第一外齿轮，第二外齿轮，第一和第二侧板，第一和第二密封构件，用于施加按压力的加压装置 在各个外齿轮的齿尖与各个密封构件的密封面之间，设置在各个外齿轮和各密封构件之间的关闭区域中，其中轴承构件的内周面与外周面之间的接触 驱动轴设置在关闭区域的侧面，同时各个外齿轮的齿尖和关闭区域中的相应密封构件的密封表面通过按压装置保持彼此压靠。

公开(公告)号：US20110062773A1

公开(公告)日：2011-03-17

申请号：US12879236

申请日：2010-09-10

申请人： Masaki MISUNOU ,  Chiharu Nakazawa

发明人： Masaki MISUNOU ,  Chiharu Nakazawa

IPC分类号： B60T13/16 ,  B60T13/138 ,  F04C11/00 ,  F04C2/00

CPC分类号： B60T13/662 ,  B60T8/368 ,  B60T13/686 ,  B60T17/02 ,  F04C2/086 ,  F04C2/10 ,  F04C11/001

摘要： A pump assembly including a housing, a pump unit having a low pressure portion and a high pressure portion and accommodated in a pump unit receiving portion which is formed in the housing, a suction passage, a low pressure chamber communicated with the suction passage and the low pressure portion, and a discharge passage, wherein when the pump unit is accommodated in the pump unit receiving portion, the low pressure chamber is formed between the pump unit and a wall surface of the housing which defines the pump unit receiving portion, and the discharge passage is formed by a communication pipe which extends through the low pressure chamber and communicates the housing and the high pressure portion of the pump unit with each other.

摘要翻译： 一种泵组件，包括壳体，具有低压部分的泵单元和高压部分，并且容纳在形成在壳体中的泵单元接收部分中，吸入通道，与吸入通道连通的低压室和 低压部分和排放通道，其中当泵单元容纳在泵单元接收部分中时，低压室形成在泵单元和限定泵单元接收部分的壳体的壁表面之间，并且 排出通道由延伸穿过低压室的连通管形成，并将泵壳体和泵单元的高压部分彼此连通。