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.
Patent No.:
Date of Patent:
Nov. 30, 2021
Filed:
Mar. 09, 2020
Oshkosh Corporation, Oshkosh, WI (US);
Greg Steffens, Oshkosh, WI (US);
Jesse Steinke, Oshkosh, WI (US);
Yanming Hou, Rochester, MN (US);
Neil Bjornstad, Oshkosh, WI (US);
Jeremy Andringa, Oshkosh, WI (US);
Eric Wall, Oshkosh, WI (US);
Connor Hietpas, Oshkosh, WI (US);
Oshkosh Corporation, Oshkosh, WI (US);
Abstract
A hydraulic system for a concrete mixer vehicle including an electronically controlled variable displacement hydraulic pump, a distribution manifold fluidly coupled to the hydraulic pump, a hydraulic fan motor coupled to a fan and fluidly coupled to the distribution manifold, an auxiliary system fluidly coupled to the distribution manifold, and a controller structured to: determine a total system demand based at least in part on a fan motor demand and an auxiliary system demand, adjust a displacement of the hydraulic pump to satisfy the total system demand, and operate the hydraulic pump at a pump speed to satisfy the total system demand.