Patent · US Expired

Water jacketed exhaust relief system for marine propulsion devices

US4799905A · kind A · utility

11Cited by

21References

30Claims

0Family size

Assignee

Outboard Marine Corporation · US

Inventors

George Broughton · Zion, US
Duane E. Rogers · Kenosha, US
David W. Mate · McHenry, US

Key dates

Filing date	Jun 12, 1987
Grant date	Jan 24, 1989
Priority date	—
Expiry date	Jun 12, 2007

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B61/045
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

Disclosed herein is an inner exhaust gas housing adapted to be located within a drive shaft housing of an outboard motor, which inner exhaust gas housing integrally includes an open upper end, a first exhaust passage extending downwardly from the upper end, a second exhaust passage extending downwardly from the upper end, an expression chamber adjacent the upper end, a first passage communicating between the first and second exhaust passages and the expansion chamber, and a second passage communicating with the expansion chamber and with the atmosphere exterior to the inner exhaust gas housing.

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