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:
Aug. 29, 1989
Filed:
Apr. 20, 1988
Philip J McGowan, Grayslake, IL (US);
Steven R McNeill, Waukegan, IL (US);
Matthew H Mondek, Wonder Lake, IL (US);
James A Mahnich, Lake Villa, IL (US);
Outboard Marine Corporation, Waukegan, IL (US);
Abstract
Disclosed herein is a marine propulsion device comprising a lower unit including a gear case rotatably supporting a propeller shaft adapted to support a propeller, which gear case includes an interior passage leading to a water pump, which gear case also includes a leading edge and opposite side surfaces having outwardly convex configurations extending rearwardly from the leading edge, one of the side surfaces including a cooling water inlet comprising an opening located in the one side surface, communicating with the interior passage, and defined by forward and rearward walls, a recess located in the one side surface forwardly of the opening and having a rearward end located at the forward wall of the opening and a forward end, which recess increases in lateral depth from the forward end to the rearward end, and a screen located in the opening and including an inclined portion extending outwardly and rearwardly from the forward wall of the opening, and a side portion extending rearwardly from the inclined portion to the rearward wall of the opening, which screen also includes a series of horizontal parallel slots located in the inclined and side portions and affording inflow of cooling water to the passage.