Swirl type fuel injection valve

Details Swirl type fuel injection valve Swirl type fuel injection valve

1995-07-27

1998-07-28

Morris, Lesley D.

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

2395851, F02M 5100

Patent

active

057852570

ABSTRACT:
A guide hole extending axially, a valve seat and an injection port are coaxially formed on an elongated valve body in this order toward a distal end of the valve body. A pressurized fuel is introduced into a basal end of the guide hole. A valve element is slidably received in the guide hole of the valve body. Inclined passages are formed in one of the valve element and the valve body. When the valve element is lifted, the pressurized fuel flows, as a swirling current, between a valve portion and the valve seat, proceeds toward an exit of the injection port while swirling along an inner peripheral surface of the injection port, and is injected from the injection port. When the valve element is in the fully lifted position, an orifice for restricting an amount of fuel injected from the injection port per unit time is formed between the valve portion and the valve seat.

REFERENCES:
patent: 4060199 (1977-11-01), Brune et al.

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