Patent · US Expired

Cooling system for a four cycle outboard engine

US6821171B1 · kind B1 · utility

28Cited by
18References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 2003
Grant dateNov 23, 2004
Priority date
Expiry dateJul 31, 2023

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01P2060/04
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A cooling system for a marine engine conducts water from a coolant pump through the cylinder head and exhaust conduit prior to conducting the cooling water through the cylinder block. This raises the temperature of the water prior to its entering the cooling passages of the cylinder block.

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