| Patent Number |
Title Of Patent |
Date Issued |
| RE31274 |
Engine cooling system flushing apparatus and method |
June 14, 1983 |
| An internal combustion engine cooling system .Iadd.that includes a liquid coolant radiator, engine coolant passages and a liquid coolant passing heater .Iaddend.is flushed by:(a) providing a controlled pressurized flow of flushing liquid and entrained gas bubbles,(b) and passing said flo |
| 4293031 |
Engine cooling system flushing apparatus and method |
October 6, 1981 |
| An internal combustion engine cooling system is flushed by:(a) providing a controlled pressurized flow of flushing liquid and entrained gas bubbles,(b) and passing said flow alternately through(i) the radiator in a reverse direction,(ii) the engine coolant passages in a reverse direction,(iii) t |
| 4209063 |
Engine cooling system flushing apparatus and method |
June 24, 1980 |
| An internal combustion engine cooling system is flushed by:(a) providing a controlled pressurized flow of flushing liquid and entrained gas bubbles,(b) and passing said flow alternately through(i) the radiator in a reverse direction,(ii) the engine coolant passages in a reverse direction,(iii) t |
| 4178134 |
Engine coolant system flush attachment for coolant hose |
December 11, 1979 |
| A flush attachment for a coolant hose accommodates gas or air induction to mix with a pressurized stream of cleaning liquid for efficient scavenging of rust or scale from machinery cooling systems. The construction of the attachment also protects against over pressurization and possible |
| 4109703 |
Engine cooling system flushing apparatus and method |
August 29, 1978 |
| An internal combustion engine cooling system is flushed by:(a) providing a controlled pressurized flow of flushing liquid and entrained gas bubbles,(b) and passing said flow alternately through(i) the radiator in a reverse direction,(ii) the engine coolant passages in a reverse direction,(iii) t |
| 4091865 |
Air-pressurized, safety anti-freeze tank |
May 30, 1978 |
| A coolant container assembly is especially designed for use with an internal combustion engine cooling system together with means to produce a pressurized flow of flushing liquid to flush the system, such means including a source of pressurized gas such as air. The assembly includes:(a) |
| 4083399 |
Valving for engine cooling system flushing apparatus and method |
April 11, 1978 |
| An internal combustion engine cooling system is flushed by:A. providing a controlled pressurized flow of flushing liquid and entrained gas bubbles,B. and passing said flow alternately throughI. the radiator in a reverse direction,Ii. the engine coolant passages in a reverse direction,Iii. the ra |