The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 18, 2023

Filed:

Feb. 04, 2022
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Jeffery Fischer, Brimfield, IL (US);

Neil Edward Johnston, East Peoria, IL (US);

Brenton William Bush, Dunlap, IL (US);

Ye Tian, Bloomington, IL (US);

Quinton Burcar, Peoria, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 37/16 (2006.01); F02M 37/00 (2006.01); F02M 37/44 (2019.01); F04B 9/14 (2006.01);
U.S. Cl.
CPC ...
F02M 37/16 (2013.01); F02M 37/0023 (2013.01); F02M 37/44 (2019.01); F04B 9/14 (2013.01);
Abstract

A priming pump may include a housing; an inlet passageway inside of the housing; an outlet passageway inside of the housing; a divider, inside of the housing, separating the inlet passageway and the outlet passageway; a connecting passageway through the divider in fluid communication with the inlet passageway and the outlet passageway; a valve, disposed in the connecting passageway, configured for one-way fluid flow from the inlet passageway to the outlet passageway; a rotary pump, inside of the housing, having an inlet in fluid communication with the inlet passageway and an outlet in fluid communication with the outlet passageway; and a shaft connected to the rotary pump and extending through the housing, the shaft configured for rotation by an external driving mechanism.


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