Fuel injection valve
Patent 4069978 Issued on January 24, 1978. Estimated Expiration Date: 
January 24, 1995. 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.
January 24, 1995. 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 3425635 3430866 InventorAssigneeApplicationNo. 05/751695 filed on 12/17/1976US Classes:239/533.2, Fuel injector or burner219/121.13, Welding219/69.17, Methods29/558, Successive distinct removal operations29/890.128Including machining or drillingExaminersPrimary: Saifer, Robert W.Attorney, Agent or FirmForeign Application Priority Data1975-12-20 DTAbstractA fuel injection valve having nozzle bores which are inclined with respect to the axis of the valve. The nozzle bores are similar to Laval nozzles. An auxiliary bore is provided in the axial extension of the nozzle bore to be prepared in the nozzle body for machining the nozzle bore. This bore is sealed by means of a pressed in, soldered, or electron beam welded stopper. | |
