Patent · US Expired

Outboard motor power head assembly

US5498181A · kind A · utility

6Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1994
Grant dateMar 12, 1996
Priority date
Expiry dateJun 7, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63H20/245
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Disclosed herein is an outboard motor including a fore and aft center plane and comprising a powerhead assembly including a two stroke internal combustion engine including a cylinder block including a port side, a starboard side, a plurality of vertically aligned cylinders in a single bank, which cylinders each include an axis extending at an angle to said center plane and to one of said port and starboard sides, and an exhaust port on the other of said port and starboard sides, and an exhaust gas passage including a main portion extending vertically adjacent said center plane, and a like plurality of elbow portions connecting said exhaust ports to said main portion, which elbow portions include any one change in direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.