公开(公告)号：US20200340475A1

公开(公告)日：2020-10-29

申请号：US16397313

申请日：2019-04-29

Applicant: GM Global Technology Operations LLC

Inventor： Robert Parrish ,  Samuel Sherman

IPC: F04C15/06 ,  F04C2/14

Abstract: A scavenging centrifugal baffle pump includes a main pump including a pump housing, a gear external to the pump housing coupled to the main pump, a baffle connected to the main pump housing defining an interior volume, the gear at least partially located in the interior volume, a reservoir defined in the interior volume of the baffle, an inlet defined in the baffle adjacent to the reservoir, an opening defined in the baffle, wherein the opening exposes a portion of the gear, and an elongate passage defined by the baffle including an outlet, wherein the elongate passage connects the interior volume of the baffle with the outlet.

公开(公告)号：US11542948B2

公开(公告)日：2023-01-03

申请号：US16397313

申请日：2019-04-29

Applicant: GM Global Technology Operations LLC

Inventor： Robert Parrish ,  Samuel Sherman

IPC: F04D5/00 ,  F16N13/20 ,  F04D29/42 ,  F04D13/12 ,  F04D13/16 ,  F04D1/12

Abstract: A scavenging centrifugal baffle pump. The scavenging centrifugal baffle pump includes a main pump, which includes a pump housing. The scavenging centrifugal baffle pump further includes a baffle connected to the main pump housing and defines defining an interior volume. The scavenging centrifugal baffle pump also includes a gear coupled to the main pump at least partially located in the interior volume of the baffle, a reservoir defined in the interior volume of the baffle, an inlet defined in the baffle adjacent to the reservoir and an elongate passage defined by the baffle.