公开(公告)号：CA2991967A1

公开(公告)日：2018-07-17

申请号：CA2991967

申请日：2018-01-15

Applicant: ROPER PUMP COMPANY

Inventor： FLAVELLE WILLIAM D ,  INGRAM MICHAEL ANDREW

IPC: F04C2/08 ,  F04C2/18 ,  F04C15/00

Abstract: A pump fluid driving apparatus includes a housing having a chamber, with two gears mounted within the chamber. The housing includes a first rounded wall section and a second rounded wall section, the first and second rounded wall sections defining at least a portion of the chamber. The gears have teeth located about their respective peripheries and operatively positioned with the teeth of the first gear and the teeth of the second gear intermeshed. The teeth include slotted teeth and solid teeth arranged with uniform spacing in a repeating pattern about the periphery of each of the gears, with each of the slotted teeth having a vane slot and a radially extending vane extending from the vane slot, and each radially extending vane being movable within the respective vane slot and being configured to contact the respective first or second rounded wall sections.

公开(公告)号：CA2991967C

公开(公告)日：2021-02-16

申请号：CA2991967

申请日：2018-01-15

Applicant: ROPER PUMP COMPANY

Inventor： FLAVELLE WILLIAM D ,  INGRAM MICHAEL ANDREW

IPC: F04C2/08 ,  F04C2/18 ,  F04C15/00

Abstract: A pump fluid driving apparatus includes a housing having a chamber, with two gears mounted within the chamber. The housing includes a first rounded wall section and a second rounded wall section, the first and second rounded wall sections defining at least a portion of the chamber. The gears have teeth located about their respective peripheries and operatively positioned with the teeth of the first gear and the teeth of the second gear intermeshed. The teeth include slotted teeth and solid teeth arranged with uniform spacing in a repeating pattern about the periphery of each of the gears, with each of the slotted teeth having a vane slot and a radially extending vane extending from the vane slot, and each radially extending vane being movable within the respective vane slot and being configured to contact the respective first or second rounded wall sections.