Patent · US Expired

Outboard motor exhaust housing and lost foam pattern therefor

US5595235A · kind A · utility

2Cited by

9References

6Claims

0Family size

Assignee

Outboard Marine Corporation · US

Inventors

Michael C. Anselm · Fort Myers, US
Clarence E. Blanchard · Kenosha, US
James S. Nerstrom · Libertyville, US

Key dates

Filing date	Nov 3, 1995
Grant date	Jan 21, 1997
Priority date	—
Expiry date	Nov 3, 2015

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02F2200/08
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

Disclosed herein is a one piece drive shaft housing comprising a casting including an outer surface having an upper end surface, a lower end surface, and an endless side surface extending between the upper and lower end surfaces, an internal cavity extending between the upper and lower end surfaces and adapted to receive a drive shaft and a clutch operated linkage, an internal exhaust gas passage extending between the upper and lower end surfaces and located in spaced relation to the cavity, an internal coolant supply passage extending between the upper and lower end surfaces, an internal idle exhaust passage including a series of expansion chambers and extending between the upper end surface and the endless side surface, and an internal coolant drainage passage extending between the upper and lower end surfaces in heat exchanging relation to the exhaust gas passage.

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