公开(公告)号：WO2007019560A8

公开(公告)日：2007-04-19

申请号：PCT/US2006031199

申请日：2006-08-10

Applicant: ENVIROTECH PUMPSYSTEMS INC ,  PAULIN GREG ,  SHAW JAMES G ,  HARMON JAMES ,  NORTHRUP JAMES

Inventor： PAULIN GREG ,  SHAW JAMES G ,  HARMON JAMES ,  NORTHRUP JAMES

IPC: F04B53/00

CPC classification number: F04D15/0005 ,  F04D9/008 ,  F04D29/628 ,  Y10T137/79

Abstract: A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.

Abstract translation: 构造成用于自底漆泵的挡板式止回阀被构造成以便于维修止回阀的方式附接到泵壳体，并且包括位于壳体外部的固定装置和挡板 通过壳体的开口定位，使得能够在不将挡板或硬件落入泵内部的情况下维修阀门。

公开(公告)号：WO2007021845A3

公开(公告)日：2007-11-01

申请号：PCT/US2006031205

申请日：2006-08-10

Applicant: ENVIROTECH PUMPSYSTEMS INC ,  SHAW JAMES G ,  NORTHRUP JAMES

Inventor： SHAW JAMES G ,  NORTHRUP JAMES

IPC: F04B53/00

CPC classification number: F04D9/003

Abstract: A safety cover for the fill port of a self-primer pump is structured to improve the seal between the fill port cover and the fill port in the pump casing to thereby control the release of steam from the pump, and includes an improved sealing band between the fill port and fill port cover, an improved fill port cover design and an improved retaining clamp design.

Abstract translation: 用于自底漆泵的填充口的安全盖被构造成改善填充口盖和泵壳体内的填充口之间的密封，从而控制从泵释放的蒸汽，并且包括改进的密封带 填充口和填充口盖，改进的填充口盖设计和改进的固定夹设计。

公开(公告)号：WO2007019560A3

公开(公告)日：2007-06-21

申请号：PCT/US2006031199

申请日：2006-08-10

Applicant: ENVIROTECH PUMPSYSTEMS INC ,  PAULIN GREG ,  SHAW JAMES G ,  HARMON JAMES ,  NORTHRUP JAMES

Inventor： PAULIN GREG ,  SHAW JAMES G ,  HARMON JAMES ,  NORTHRUP JAMES

IPC: F16K15/03

CPC classification number: F04D15/0005 ,  F04D9/008 ,  F04D29/628 ,  Y10T137/79

Abstract: A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.

Abstract translation: 构造成用于自底漆泵的挡板类型的止回阀被构造成以便于维修止回阀的方式附接到泵壳体，并且包括定位在壳体外部的固定装置和挡板， 以能够维修阀而不将挡板或硬件落入泵的内部的方式定位成穿过壳体的开口。

公开(公告)号：WO2012009021A3

公开(公告)日：2012-04-12

申请号：PCT/US2011001269

申请日：2011-07-18

Applicant: ENVIRO TECH PUMPSYSTEMS INC ,  SHAW JAMES G ,  NORTHRUP JAMES ,  MILLER MARTIN

Inventor： SHAW JAMES G ,  NORTHRUP JAMES ,  MILLER MARTIN

IPC: F01D5/08

CPC classification number: F04D29/108 ,  Y10T137/3099

Abstract: Improvements in the operation and maintenance of non-clogging pumps are provided which increase pump efficiencies through improved impeller design and vacuum assembly design, and which increase seal lubrication efficiencies through improved seal lubricant reservoir system design.

Abstract translation: 提供了非阻塞泵的运行和维护改进，通过改进的叶轮设计和真空组件设计提高了泵效率，并通过改进的密封润滑剂储存系统设计提高了密封润滑效率。