Carburetor priming system for internal combustion engines

Patent · Tue May 20 04:00:00 EDT 1986

OSTI ID:5703244

Everts, R G

A carburetor priming system is described for an internal combustion engine, the engine including: a fuel tank, a carburetor having an air inlet, a fuel-air mixing throat, and an air-fuel mixture outlet communicating with the combustion chambers of the engine, the priming system comprising, in combination: (a) a hollow housing having air inlet openings in the walls thereof, shaped and dimensioned to cover the air inlet of the carburetor; (b) an air-permeable wick retained in the housing; (c) priming fuel pump means, including (i) a depressable hollow resilient priming bulb, (ii) a priming fuel supply conduit extending between the fuel tank and the interior of the priming bulb, (iii) a priming fuel discharge conduit extending between the interior of the priming bulb and the wick, (iv) a normally closed first check valve in the priming fuel supply conduit which opens to permit fuel to flow into the priming bulb and which closes when the priming bulb is depressed, (v) a normally closed second check valve disposed in the priming fuel discharge conduit, the second check valve being mechanically actuated by external pressure on the priming bulb, to open when the priming bulb is depressed.

• Assignee: Inertia Dynamics Corp., Chandler, AZ
• Patent Number(s): US 4589386
• OSTI ID: 5703244
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR FLOW
CARBURETORS
COMBUSTION CHAMBERS
CONTROL EQUIPMENT
DESIGN
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FUEL SYSTEMS
FUELS
GAS FLOW
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MIXING
PRESSURE EFFECTS
PUMPS
STORAGE FACILITIES
VALVES