公开(公告)号：US07415920B2

公开(公告)日：2008-08-26

申请号：US11220489

申请日：2005-09-07

Applicant: Werner Knauth ,  Uwe Nigrin ,  Ngoc-Tam Vu

Inventor： Werner Knauth ,  Uwe Nigrin ,  Ngoc-Tam Vu

IPC: F04B1/04 ,  F02M41/00

CPC classification number: F04B1/0448 ,  F04B1/0443 ,  F04B53/22

Abstract: A radial piston pump for generation of high fuel pressures in fuel injection systems comprises a pump housing, a pump shaft and at least one cylinder insert, arranged radially to the pump shaft. A cylinder chamber is located within the cylinder insert in which a piston can move back and forth. The cylinder insert is connected with a front face to a flattening of the pump housing, by connecting means. The cylinder insert comprises an inlet port and a high pressure port. The front face of the cylinder insert and/or the flattening of the pump housing comprise precisely machined raised sealing regions for sealing the cylinder insert against the pump housing, which are relatively small in relation to the total front face of the cylinder insert and the total flattening of the pump housing. A high surface pressure is thus achieved in the sealing region.

Abstract translation: 用于在燃料喷射系统中产生高燃料压力的径向活塞泵包括泵壳体，泵轴和径向布置在泵轴上的至少一个气缸插入件。 气缸室位于气缸插入件内，活塞可以在其中前后移动。 气缸插入件通过连接装置与前表面连接到泵壳体的扁平部分。 气缸插件包括入口和高压端口。 气缸插件的前表面和/或泵壳的扁平化包括精确加工的凸起的密封区域，用于将气缸插件相对于泵壳体密封，泵壳体相对于气缸插件的总前表面相对较小， 泵壳的扁平化。 因此在密封区域中实现了高的表面压力。

公开(公告)号：US20050287016A1

公开(公告)日：2005-12-29

申请号：US11220489

申请日：2005-09-07

Applicant: Werner Knauth ,  Uwe Nigrin ,  Ngoc-Tam Vu

Inventor： Werner Knauth ,  Uwe Nigrin ,  Ngoc-Tam Vu

IPC: F04B1/04 ,  F04B53/22 ,  F04B53/10 ,  F04B27/04

CPC classification number: F04B1/0448 ,  F04B1/0443 ,  F04B53/22

Abstract: A radial piston pump for generation of high fuel pressures in fuel injection systems comprises a pump housing, a pump shaft and at least one cylinder insert, arranged radially to the pump shaft. A cylinder chamber is located within the cylinder insert in which a piston can move back and forth. The cylinder insert is connected with a front face to a flattening of the pump housing, by connecting means. The cylinder insert comprises an inlet port and a high pressure port. The front face of the cylinder insert and/or the flattening of the pump housing comprise precisely machined raised sealing regions for sealing the cylinder insert against the pump housing, which are relatively small in relation to the total front face of the cylinder insert and the total flattening of the pump housing. A high surface pressure is thus achieved in the sealing region.

Abstract translation: 用于在燃料喷射系统中产生高燃料压力的径向活塞泵包括泵壳体，泵轴和径向布置在泵轴上的至少一个气缸插入件。 气缸室位于气缸插入件内，活塞可以在其中前后移动。 气缸插入件通过连接装置与前表面连接到泵壳体的扁平部分。 气缸插件包括入口和高压端口。 气缸插件的前表面和/或泵壳的扁平化包括精确加工的凸起的密封区域，用于将气缸插件相对于泵壳体密封，泵壳体相对于气缸插件的总前表面相对较小， 泵壳的扁平化。 因此在密封区域中实现了高的表面压力。