Patent · US Expired

Marine engine maintenance

US5337774A · kind A · utility

11Cited by
8References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 1, 1993
Grant dateAug 16, 1994
Priority date
Expiry dateJul 1, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86131
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A system for use in winterizing/dewinterizing a watercraft marine engine is provided with a closed coolant storage tank having a cooperating pump, with an open coolant recovery tank having a separate cooperating pump, with coolant fluid transfer lines connecting the storage tank pump outlet to the recovery tank and connecting the recovery tank pump outlet to the storage tank, and a control for operating the storage tank pump and the recovery tank pump independently of each other.

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