Combustion – Mixer and flame holder
Reexamination Certificate
2000-05-08
2001-08-21
Clarke, Sara (Department: 3743)
Combustion
Mixer and flame holder
C239S427000, C239S432000, C239S500000, C239S504000, C239S590300
Reexamination Certificate
active
06276927
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a nozzle assembly for a gas burner, and more particularly, to a nozzle assembly having three netted members so that gas and air can be mixed therebetween.
A conventional nozzle assembly for a gas burner is shown in FIG.
1
and generally includes a nozzle body
1
with an aperture
11
defined through a periphery thereof. The nozzle body
1
has a tip end and an open end
12
in which a netted member
13
and a stop ring
14
are respectively received. The stop ring
14
prevents the netted members
13
from dropping from the open end
12
of the nozzle body
1
. In
FIG. 1
, the netted member
13
is a wrapped netted member. As shown in
FIGS. 2 and 3
, the nozzle body
2
has an aperture
21
and an open end
22
for receiving a tubular netted member
23
and a stop ring
24
therein. The stop ring
24
has a protrusion
240
extending inward from an inner periphery of the stop ring
24
to prevent the tubular netted member
23
from passing through the stop ring
24
. The nozzle member
2
is connected to a gas burner
4
so that gas enters into the netted member
23
via a passage
41
in the burner
4
. There is no extra space for the gas and the air entering from the aperture
21
to be well mixed so that the gas cannot burned completely.
The present invention intends to provide a nozzle assembly for a gas burner that has three netted members in the nozzle body so as to provide enough space to let gas and air well mix.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a nozzle assembly for a gas burner and comprising a nozzle body having a tip end and an open end. An aperture is defined through a periphery of the nozzle body and communicates with an interior of the nozzle body and the open end. At least two netted members are received in the nozzle body and a stop ring is engaged with the open end. A space is defined between the at least two netted members.
The object of the present invention is to provide a nozzle assembly having three netted members and a sufficient space is defined between any two adjacent netted members so that gas and air can be well mixed in the nozzle body.
These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention.
REFERENCES:
patent: 881877 (1908-03-01), Von Wouwermans
patent: 2793016 (1957-05-01), Aghnides
patent: 3388868 (1968-06-01), Watson et al.
patent: 5636981 (1997-06-01), Lilly
patent: 1188444 (1965-03-01), None
Baxley Charles E.
Clarke Sara
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