Fuel injector

Details Fuel injector Fuel injector

1990-07-17

1991-12-31

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Gaseous fuel and air mixer

123499, 239585, F02M 5304

Patent

active

050762443

ABSTRACT:
Injector apparatus for direct injection of liquefied gas fuels, particularly LPG into internal combustion engines, includes a partially stabilized zirconia tube which incorporates a sliding spool therein for controlling a metering orifice of a nozzle. The spool has a tip which extends beyond the nozzle and into the inducted air steam of an engine. Expanding gas entering the air steam from a central gallery in the spool and via the nozzle cools the tip thereby causing heat to be transferred from the spool to the tip thereof.

REFERENCES:
patent: 4421280 (1983-12-01), Lewis et al.
patent: 4434940 (1984-03-01), Kupper
patent: 4528966 (1985-07-01), Lent
patent: 4718386 (1988-01-01), Gieles
patent: 4768476 (1988-09-01), Behnke
patent: 4796572 (1989-01-01), Heydrich
patent: 4817873 (1989-04-01), McKay
patent: 4865001 (1989-09-01), Jensen

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