Fuel injection valve
Patent 4033507 Issued on July 5, 1977. Estimated Expiration Date: 
July 5, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 5, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3610529 3680794 3690566 3835829 InventorsAssigneeApplicationNo. 05/648481 filed on 01/14/1976US Classes:239/381, Spray fluid operated239/453, Axially reciprocating closure deflector-type modifier239/574, Serially arranged valves (e.g., trap or wet flow line)239/585.1Electromagnetically operated valve (e.g., ball-type)ExaminersPrimary: Love, John J.Assistant: Kashnikow, Andres Attorney, Agent or FirmForeign Application Priority Data1975-01-15 DTAbstractA fuel injection valve for an internal combustion engine has a main fuel valve formed by a needle urged against a valve seat by a spring and also includes a solenoid to pull the valve needle away from the seat for fuel metering purposes. In addition, the valve has an extension in which a pestle with two enlarged ends is axially carried in two spring support cups. The enlarged ends of the pestle also act as valves in such a manner that even low fuel-flow causes a fluttering of the pestle, resulting in good fuel atomization.Field of SearchINJECTION NOZZLE HAVING CAPILLARY TYPE FEED PASSAGESUNITARY INJECTION NOZZLE AND PUMP OR ACCUMULATOR PLUNGER Accumulator plunger biased to discharge fluid Plunger interconnected or mounted bypass Plunger interconnected or mounted valve (e.g., outlet valve) FLOW REGULATOR OPERATED CONCURRENTLY WITH INTERMITTENT FLUID PUMP Plural motor surfaces on flow regulator (e.g., opposed) UNITARY INJECTION NOZZLE AND VALVE WITH CONTINUOUSLY INTERMITTENT OPERATOR INJECTION NOZZLE OPENED BY RELIEVING SUPPLY (E.G., ACCUMULATOR TYPE) TERMINAL OUTLET FORMED BETWEEN PARTS MOUNTED FOR RELATIVE MOVEMENT Spray fluid pressure responsive discharge modifier Axially reciprocating closure deflector-type modifier Spring biased nonrotatable controller within discharge guide Injection nozzle type Serially arranged valves (e.g., trap or wet flow line) Deflector and terminal flow element | |
