Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Patent
1985-03-27
1987-03-17
Peters, Jr., Joseph F.
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
239489, 23953311, B05B 134, F02M 6110
Patent
active
046501215
ABSTRACT:
An injection nozzle has an insert with helical swirl channels functioning as a single-jet nozzle for air-compression fuel-injection internal combustion engines, with a nozzle needle opening inwards. To achieve fuel atomization constant in terms of engine speed and load in all the operating ranges of the internal combustion engine and having a relatively invariable mushroom-like atomization form on the nozzle outlet side, the nozzle needle can be moved free of stops in the opening direction over the entire operating range, counter to the force of a spring, as a function of the fuel pressure prevailing in the pressure space, in such a way that when there is an equilibrium between the spring force and the force exerted on the needle in the pressure space, an almost always equal pressure ratio independent of the engine speed and arising in the valve-seat region is established, together with a constant outflow speed free to the combustion space.
REFERENCES:
patent: 1252254 (1918-01-01), Fisher
patent: 1525156 (1925-02-01), Teufl
patent: 2110365 (1938-03-01), Imfeld
patent: 3802626 (1974-04-01), Regneault et al.
patent: 4365746 (1982-12-01), Tanasawa et al.
Daimler-Benz Aktiengesellschaft
Forman Michael J.
Peters Jr. Joseph F.
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