Fuel line purging device

Patent · Tue Mar 22 04:00:00 EST 1988

OSTI ID:5004426

Hensel, R J

In a fuel injection system for an internal combustion engine having a fuel pump communicating with a fuel tank and delivering pressurized fuel through a pressure line to a fuel injector, the improvement is described comprising purging means for purging gas, including air and vapor, from the system, comprising: a housing having an inlet communicating with the pressure line, and having an outlet; pressure responsive valve means in the housing movable between an open position permitting flow from the inlet to the outlet, and a closed position blocking flow from the inlet to the outlet; a first branch passage in the housing communicating between the inlet and one side of the valve means; a second branch passage in the housing communicating between the inlet and the other side of the valve means; restriction means in the second branch passage selected to provide a fuel pressure drop thereacross but not substantially dropping gas pressure thereacross.

• Assignee: Brunswick Corp., Skokie, IL
• Patent Number(s): US 4732131
• OSTI ID: 5004426
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
COMPRESSIBLE FLOW
CONTAINERS
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FLUID MECHANICS
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
GAS FLOW
HEAT ENGINES
HYDRAULICS
INTERNAL COMBUSTION ENGINES
MECHANICS
OPERATION
PRESSURIZING
PUMPS
TANKS
VALVES