Steam-Generator. Page: 3 of 5
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UNITD TATES PATENTOF
GEORGE H. SANDS, OF ELECTRA, TEXAS.
STEAM-GENERATOR.Specification of Letters Patent. FatentelI Dec. 19, 1916.
Application filed February 8, 1916. Serial No. 76,890.To all whom it may concern:
Be it known that I, GEORGE H. SANDS, a
citizen of the United- States, residing at
Electra, in the county of Wichita and State
5 of Texas, have invented certain new and
useful Improvements in Steam-Generators,
of which the following is a specification.
My invention has relation to an improve-
ment in steam generating apparatus and in
10 such connection it relates more particularly
to the novel construction, combination and
arrangement of the parts constituting such
an apparatus.
The principal objects of my invention are:
15 first, to greatly economize in the heat.,neces-
sary to produce a given quantity of steam,
the apparatus hereinafter described doing
away entirely with the old style boiler so
that practically every particle of heat con-
20 tained in the fuel may be utilized in the
generation of steam to which is added the
expansive quality of the gas produced from
the fuel employed; second, to-produce an in-
ternal combustion steam generator in which
25 all kinds of liquid fuel and gas may be used;
and third, to produce a. means whereby the
proper supply of oxygen (contained in
super-heated steam), water and fuel to the
combustion and mixing chambers may be
30 automatically regulated in accordance with
the steam pressure.
With the above and other objects in view,
the' nature and scope of my invention will be
more fully understood from the following
35 description taken in connection with the ac-
companying drawings, forming part hereof,
in which,-
Figure 1, is a diagrammatic view showing
in longitudinal section an apparatus em-
40 bodying the main features of my invention;
Fig. 2, is an enlarged sectional view of the
combustion chamber head, showing means
for automatically controlling the inlet of
fuel and air or steam to the combustion
45 chamber; Fig. 3, is a vertical sectional view
taken on line 3-3 of Fig. 1; and Fig. 4, is
a cross-sectional view taken on line 4-4 of
Fig. 1.
Referring to the drawings, 1 represents
50 the combustion chamber, said chamber being
in -open communication at one end with a
mixing chamber 2, and closed at the other
end by head 3. Surrounding combustion
chamber 1 is a water jacket or tubular boiler
55 4 adapted to be fed and kept at a constant
level through feed pipe 5, leading from asource of water feed (not shown). Heat is
applied to the combustion chamber by means
of a jet burner 6, traversing head 3. Lead-
ing from burner 6, is a -fuel feed pipe 7 con- 60
nected with a pressure tank (not shown).
A fuel regulating or control valve 8 is ar-
ranged in- the fuel feed. pipe 7. Leading
preferably from a steam dome 9 of boiler
4, down through combustion chamber and 65
on through head 3, and thence to burner 6,
is a steam pipe 10, a regulating or control
valve 11 similar to valve 8 being arranged
on - said pipe outside of the combustion
chamber. The object in carrying steam pipe 70
10 through combustion chamber 1 is to dry
or superheat the steam before introducing
it to the burner 6, thereby producing a
super-heated steam free from the products
of combustion but rich in oxygen to assist 75
combustion in burner 6. Located directly in
front of the burner 6 in the combustion
chamber is an inclined, perforated partition
wall 12, preferably made of a heavy sheet
of carbon. This wall is in fact a baffle plate 80
to spread the flames or gases issuing from
the burner.
Leading from steam dome 5 to mixing
chamber 2 is a steam pipe 13 which is pro-
vided with a relief valve 14 in the nature of 85
a . manually adjustable puppet valve. It
may be stated at this point that when in
operation the small boiler 4 will generate
more steam than is needed to supply the
burner 6 and when the pressure in the 90
boiler goes above a predetermined point the
relief valve 14 opens and allows the steam
to pass down into the mixing chamber. 2.
The chamber 2 is surrounded by a water
jacket 15, said water jacket being fed and 95.
kept at a constant level through feed pipe
16, leading from a source of water feed (not
shown). The mixing chamber has an outlet
17 at right angles to its main portion and
this outlet isin communication with an aux- 100
iliary mixing chamber 18, which extends on
down and is connected with head 19 of a
storage tank 20. In the auxiliary mixing
chamber 18 there are arranged transverse
partitions 21, which, as illustrated in Fig. 105
1, are connected alternately to opposite walls
of said mixing chamber to constitute baffle
plates in staggered relationship to each
other. One of said baffles is better illus-
trated in Fig. 4 and it will be observed that 110
each baffle is in the form of a disk of eccen-
tric formation, being slightly greater than1,209,211.
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Sands, George. H. Steam-Generator., patent, December 19, 1916; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth859739/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.