公开(公告)号：US20160298622A1

公开(公告)日：2016-10-13

申请号：US14681006

申请日：2015-04-07

Applicant: Caterpillar Inc.

Inventor： Alan Ray STOCKNER ,  Sana MAHMOOD ,  Joshua STEFFEN ,  Dane Ray COLDREN

IPC: F04B53/14

CPC classification number: F04B53/14 ,  F04B53/008 ,  F04B2015/081

Abstract: A pump piston is disclosed. The pump piston may include a body having an actuating end, a pressurizing end opposite the actuating end, and an outer diameter that is greater at the pressurizing end than at the actuating end, wherein the outer diameter varies between the pressurizing end and the actuating end without increasing to form an outer diameter profile.

Abstract translation: 公开了一种泵活塞。 泵活塞可以包括具有致动端的主体，与致动端相对的加压端和在加压端处比在致动端处更大的外径，其中外径在加压端和致动端之间变化 而不增加以形成外径轮廓。