Fuel injector cleaning method and apparatus
This patent describes the method of cleaning the fuel injector system of an internal combustion engine. It comprises an engine space with a fuel injector system for the engine; an area isolated from any heated or moving components of the engine space; the isolated area having therein a fuel tank with communication therefrom to the fuel injector system through a filter having upstream and downstream connector means from a fuel pump to the fuel injector system; and having a fuel return line to the tank therein; wherein the method comprises in the isolated area: preventing return flow to the tank; disconnecting and removing the filter from the upstream and downstream connector means thereof; shunting the output of the fuel pump to the tank; connecting a source of cleaning fluid to the fuel injector system via the upstream and downstream connector means; whereby effecting flow from a source of cleaning fluid to the fuel injector system.
- Assignee:
- UIS, Inc., New York, NY (United States)
- Patent Number(s):
- US 5022364; A
- Application Number:
- PPN: US 7-475917
- OSTI ID:
- 5770446
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
330100* -- Internal Combustion Engines
330603 -- Vehicle Design Factors-- Engine System
330700 -- Advanced Propulsion Systems-- Emission Control
AIR FILTERS
AIR POLLUTION CONTROL
CLEANING
CONTROL
ENGINES
EQUIPMENT
FILTERS
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT