(57) The present invention relates to an automatic nozzle for fuel economy suitable for
all types of vehicles, which is mounted at the carburator and feeds, limits and stops
the mixture or increases the air supply through the nozzle to the engine, when the
diaphragm of the accelerator (18) of the carburator closes and braking of the car
is performed.
According to a preferable embodiment of the invention, the invented automatic nozzle
is made, in turn of assembly, from a housing (1), a diaphragm or piston (2), a king-pin
(3), a main body (4), a spring (5), a fitting part (6), a spring regulator or regulator
for the displacement of the diaphragm or for the displacement of the needle (7), a
nut (8) of the spring regulator, tightening nuts of the regulators (23) and (24),
a clip-connector (9) of the needle, a needle (10), a nozzle (11), an underpressure
speed member (12), a conductor (13), an electrical switch (16) and a control lamp
(17).
The automatic nozzle works using the suction of the engine supplied through the pipe
(13), where one end of the said pipe is fitted at the suction (14) of the engine and
the other end at the automatic nozzle, on the underpressure speed member (12). When
the diaphragm (18) of the accelerator of the carburator is closed, the suction in
the chamber of the automatic nozzle is increased, and forces the diaphragm (2) to
move the king-pin (3) which is connected to the needle (10) and closes the hole (11
b), stopping the flow of the mixture (nozzle of Figure 1), or the opposite i.e. opens
the hole (11b) allowing more air to stop the flow of mixture (nozzle of Figure 7).
The said automatic nozzle may also operate electrically using an electromagnet (Figure
4).
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