Floating ring fuel injector valve

Details Floating ring fuel injector valve Floating ring fuel injector valve

F - Mech Eng,Light,Heat,Weapons

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M

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F02M 61/08 (2006.01) F02M 45/08 (2006.01) F02M 61/18 (2006.01)

Patent

CA 1104447

- 16 - ABSTRACT OF THE DISCLOSURE A fuel injector valve has a nozzle housing with a bore therethrough having an outlet end in communication with a cylinder of an internal combustion engine. The bore has a seating surface at its lower end which seats an annular ring. The annular ring has a central aperture therethrough with a seating surface at its lower open end. The aperture receives a plunger sized to leave a space between the edges of the aperture and the plunger surface. The plunger has a flanged lower section and is spring biased upwardly to have the flanged lower section contact the seating surface of the ring. The upward biasing force also forces the ring to abut the seating surface of the nozzle housing. The fluid under pressure enters the nozzle housing and forces the plunger and annular ring downward. Fluid passes through the passage between the floating ring and nozzle housing and also between a second passage between the floating ring and plunger so that a spray pattern with a cross-section of two concentric rings is formed entering the engine cylinder.

330956

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