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:
Sep. 08, 2020
Filed:
Sep. 23, 2016
Ab Volvo Penta, Gothenburg, SE;
Emil Hasl, Virginia Beach, VA (US);
William M. Cahoon, Virginia Beach, VA (US);
Justin Frohock, Virginia Beach, VA (US);
AB VOLVO PENTA, Gothenburg, SE;
Abstract
A drain system for a marine engine cooling system, includes an engine having one of a closed coolant circuit or an open cooling circuit, a raw water passageway having a raw water intake for drawing raw water into the raw water passageway, including a hose arranged to have a vertically high point and a vertically low point, a drain valve connected to the raw water passageway at the in hose vertically low point, a vent line connected to the raw water passageway at the hose vertically high point and a control handle located remote from the hose vertically high point and the hose vertically low point, the control handle having a vent valve connected to the vent line, the control handle being connected to the drain valve by a cable, wherein movement of the control handle selectively simultaneously opens and closes the drain valve and the vent valve.