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:
Jul. 23, 2019
Filed:
Jun. 16, 2015
Volvo Truck Corporation, Göteborg, SE;
Roger Bodén, Kungsbacka, SE;
Volvo Truck Corporation, Göteborg, SE;
Abstract
An oil pump assembly is provided for a vehicle lubrication system including a pumping device, the oil pump assembly presenting an outlet leading from the pumping device, and an inlet leading to the pumping device, the oil pump assembly further including a relief valve presenting a valve chamber arranged to communicate via an outlet relief passage with the outlet, and to communicate via a relief deposit passage with a relief deposit location, the relief valve further including a plunger located in the valve chamber, the plunger being movable between a closed position, in which communication between the outlet relief passage and the relief deposit passage is prevented, and an open position, in which communication between the outlet relief passage and the relief deposit passage is provided, the oil pump assembly further including a control valve for controlling the relief valve, and a control passage adapted to provide a communication between the outlet and the control valve via the valve chamber.