Patent · US Active

Debris exclusion seal guard for a pump

US11708831B1 · kind B1 · utility

3Cited by

8References

17Claims

0Family size

Assignee

Parker-Hannifin Corporation · US

Inventors

Thomas Kevin Castle · Morristown, US
Somer Renee Malone · Chuckey, US
Brian Painter · Dudley, GB

Key dates

Filing date	Jul 19, 2022
Grant date	Jul 25, 2023
Priority date	—
Expiry date	Jul 19, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04B53/006
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An example hydraulic pump comprises: a housing; an input shaft extending from the housing; a seal disposed within the housing and positioned about the input shaft; and a seal guard member positioned about the input shaft and mounted to the housing at an interface between the input shaft and the housing, wherein the seal guard member is configured to allow rotation of the input shaft without rotating therewith.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.