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公开(公告)号：US09909582B2
公开(公告)日：2018-03-06
申请号：US14611129
申请日：2015-01-30
Applicant: Caterpillar Inc.
Inventor： Robert Michael Campion , John Jay Truhan, Jr. , Joshua Steffen , Shivangini Singh Hazari , Steven Charles Taylor , Michael James Pollard , Alan Ray Stockner
CPC classification number: F04B53/14 , F04B15/08 , F04B19/22 , F04B53/007 , F04B53/166 , F04B2015/082 , F04B2015/0822 , F04B2015/0824 , F04B2015/0826 , F05C2201/0406 , F05C2201/046 , F05C2201/0466 , F05C2203/08 , F05C2203/0813 , F05C2203/0882 , F05C2211/00 , F05C2225/04 , F05C2251/14 , F05C2253/06 , F05C2253/12 , F16J1/006 , F16J1/01
Abstract: A pump is disclosed. The pump may include at least one pumping mechanism. The at least one pumping mechanism may include a barrel formed of a substrate having a bore and a plunger formed of a substrate and slidably disposed within the bore in the barrel. The pump may further include a coating disposed on the plunger. The coating may include a main layer containing a tribological material and a sacrificial break-in layer disposed on the main layer, the break-in layer containing a tribological material.
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公开(公告)号：US10393111B2
公开(公告)日：2019-08-27
申请号：US15381004
申请日：2016-12-15
Applicant: Caterpillar Inc.
Inventor： Alan Ray Stockner , Aaron M. Brown , Sridhar Thangaswamy , Glenn B. Cox , John Jay Truhan, Jr. , Michael J. Pollard , John P. McDonnel
Abstract: A pumping mechanism is disclosed. The pumping mechanism may include a barrel formed of a barrel substrate and including a first end surface, a second end surface opposite the first end surface, and a bore between the first and second end surfaces. Each of the first and second end surfaces and the bore is coated with a metal plating. The pumping mechanism may further include a plunger formed of a plunger substrate and configured to be slidably disposed in the bore in barrel, the plunger substrate having a tribological coating.
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