公开(公告)号：US11624361B1

公开(公告)日：2023-04-11

申请号：US17672906

申请日：2022-02-16

Applicant: Caterpillar Inc.

Inventor： David Arthur Mork ,  Paul Richard English

IPC: F03C2/00 ,  F03C4/00 ,  F04C15/00 ,  F04C2/00 ,  F04C2/16 ,  F04C2/10

Abstract: A low pressure gear pump and wear plate is disclosed. The wear plate may comprise a sidewall, a drive portion, a driven portion, and a transition portion. The sidewall is free of a sealing member or a recess configured to receive the sealing member. The drive portion includes a drive inlet lip, a drive outlet lip, a drive recessed trough and a drive bore. The drive bore is configured to receive the drive shaft of the gear pump. The driven portion may that include a driven inlet lip, a driven outlet lip, a driven recessed trough, and a driven bore. The driven bore is configured to receive the driven shaft of the gear pump. The transition portion may include a transition aperture configured to receive a first fastener configured to mount the wear plate to the gear housing. The wear plate is made of bronze, aluminum or non-magnetic material.