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:
Jun. 14, 2022
Filed:
Oct. 24, 2017
Poclain Hydraulics Industrie, Verberie, FR;
Matej Erznoznik, Verberie, FR;
POCLAIN HYDRAULICS INDUSTRIE, Verberie, FR;
Abstract
The present invention relates to a system for assisting the driving of a vehicle comprising at least one hydraulic machine forming a pump (), at least one hydraulic machine forming an engine () and an open hydraulic circuit () extending through a tank () and comprising a suction duct () extending from the tank () to an inlet of the pump (), a supply duct () extending from the outlet of the pump () to the inlet of the engine () and a return duct () extending from the outlet of the engines () to the tank (), characterised in that at least one of the engines () is an engine that can disengage the clutch, and in that the system comprises an element forming a restriction () and creating a loss of charge over the return duct and a means () adapted for connecting to the engine casing, the part of the return duct () located upstream of the element forming a restriction () and for applying to the engine casing, from the return duct (), a pressure lower than the pressure of this return duct.