patent · US5244558
Apparatus for generating a mixture of hydrogen and oxygen for producing a hot flame
14 September 1993
Page 1 — bibliographic record
United States Patent (19) (11) Patent Number: 5,244,558 Chiang (45) Date of Patent: Sep. 14, 1993 (54) APPARATUS FOR GENERATING A 4,747,925 5/1988 Hasebe et al. .................. 204/278 X MIXTURE OF HYDROGEN AND OXYGEN 5,082,544 1/1992 Willey et al. ................... 204/278 X FOR PRODUCING A HOT FLAME Primary Examiner-Donald R. Valentine (76) Inventor: Huang C. Chiang, P.O. Box 82-144, Attorney, Agent, or Firm-Alfred Lei Taipei, Taiwan 57 ABSTRACT (21) Appl. No.: 950,030 This invention relates to an apparatus for generating a 22 Filed: Sep. 24, 1992 mixture of hydrogen and oxygen for producing a hot 5 C25B 9/00 flame and in particular to one including a housing, an 51) Int. Cl................................................. electrolytic chamber fixedly mounted within the hous 52 U.S. C. .................................... 204/241; 27, E. s s electrodes t off electrolytic chamber to connect with a rectifier, a first 58 Field of Search ................ 204/ 2. safety device connected with an outlet of the electro - , lytic chamber, a control valve connected with an outlet (56) References Cited of the first safety device, a dryer connected with an NT outlet of the first safety device, and a second safety
1,273,050 7/1918 Euler .................... 204/278 X a chamber in which are mounted a spring-loaded ball 1,582,398 4/1926 Hausmeister ....................... 222 which will open an outlet of the second safety device 1,632,285 6/1927 Georgi ................................ 204/278 when the pressure of hydrogen and ox in the el 3,262,872 7/1966 Rhodes et al. ... ... 204/129 X i. ydroge ygen in the elec 4,014,777 3/1977 Brown ................................. 20/20 trolytic chamber exceeds a predetermined value. 4,184,931 1/1980 Inoue ................................... 204/129 4,379,043 4/1983 Chappelle ....................... 204/278 X 6 Claims, 4 Drawing Sheets

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APPARATUS FOR GENERATING AMIXTURE OF
theless, be understood that no limitation of the scope of the invention is thereby intended, such alternations and
HYDROGEN AND OXYGEN FOR PRODUCING A further modifications in the illustrated device, and such HOT FLAME further applications of the principles of the invention as illustrated herein being contemplated as would nor
BACKGROUND OF THE INVENTION mally occur to one skilled in the art to which the inven It has been found that the conventional oxyacetylene tion relates.
torch mixes and burns oxygen and acetylene to produce With reference to the drawings and in particular to a hot flame. The acetylene is usually prepared commer FIGS. 1 and 2 thereof, the present invention mainly cially by the reaction of calcium carbide and water O comprises a housing 1, an electrolytic chamber 2, a first while oxygen is prepared by the electrolysis of water. safety device 3, a control valve 4, a dryer 5, and a sec However, the production apparatus for preparing acet ond safety device 6.
ylene and oxygen is very expensive and the acetylene The housing 1 is provided with wheels 15 at the bot and oxygen are stored in high pressure tanks thereby 15 tom so that it may be moved conveniently. On the inner increasing the cost thereof. Further, the conventional bottom of the housing 1 are mounted two inverted oxyacetylene torch is dangerous in case of backfire. U-shaped frames 12 between which there is a hook 121 Therefore, it is an object of the present invention to for suspending the housing 1. Further, each of the in provide an apparatus for generating a mixture of hydro verted U-shaped frame 12 is provided with an exhaust gen and oxygen for producing a hot flame which may fan 122 which is connected with a rectifier 123. obviate and mitigate the above-mentioned drawbacks. The electrolytic chamber 2 is a closed hollow mem SUMMARY OF THE INVENTION ber fixedly mounted on the central portion of the bot torn
This invention relates to an apparatus for generating fins 21of the housing 1 and provided with heat dissipating a mixture of hydrogen and oxygen for producing a hot respect atto all sides except the left and right ones (with FIG. 1). In addition, the electrolytic chamber
It is the primary object of the present invention to out of the electrolytictwochamber 2 is provided with metal electrodes 22 extending 2 (see FIG. 3). The two provide an apparatus for generating a mixture of hydro metal electrodes 22 are respectively connected with the gen and oxygen for producing a hot flame which sepa rates water into hydrogen and oxygen by electric cur two output ends of the rectifier 123. Further, the right ret, 30 side of the electrolytic chamber 2 (with respect to FIG. It is another object of the present invention to pro 3) is formed with an outlet 23 at the upper part and an vide an apparatus for generating a mixture of hydrogen inletconnected 24 at the lower part. The outlet 23 and the inlet 24 and oxygen for producing a hot flame which is safe in are to a tube 25. The outlet 23 is a way out for the hydrogen and oxygen generated in electrolysis
It is still another object of the present invention to 35 while the inlet 24 is used to supplement water through provide an apparatus for generating a mixture of hydro an inlet 26 of the tube 25 into the electrolytic chamber gen and oxygen for producing a hot flame which will 2. The water level in the electrolytic chamber 2 may be not pollute the environment. controlled by a sensor (not shown) which will send out It is still another object of the present invention to asupplied signal for supplementing water and cut off the power provide an apparatus for generating a mixture of hydro is below toa predetermined the metal electrodes 22 when the water level value.
gen and oxygen for producing a hot flame which is simple in construction. The first safety device 3 (see FIGS. 1 and 4) is a It is a further object of the present invention to pro tubular member mounted at one side of the housing 1 vide an apparatus for generating a mixture of hydrogen and filled with water. Further, the outlet 27 of the tube and oxygen for producing a hot flame which is easy to 45 25 is connected to the lower part of the first safety operate. device 3 so that the hydrogen and oxygen will flow Other objects and merits and a fuller understanding through the water in the first safety device 3 before of the present invention will be obtained by those hav reaching the control valve 4. Hence, in case there is a ing ordinary skill in the art when the following detailed backfire, it will be distinguished by the first safety de description of the preferred embodiment is read in con 50 vice 3 thereby preventing the backfire from spreading junction with the accompanying drawings wherein like to the electrolytic chamber 2.
numerals refer to like or similar parts. The control valve 4 is connected with the outlet of the first safety device 3, which is designed so that when
BRIEF DESCRIPTION OF THE DRAWINGS the pressure in the electrolytic chamber 2 exceeds a FIG. 1 is a perspective view of an apparatus for gen 55 predetermined value, the control valve 4 will send out a erating a mixture of hydrogen and oxygen for produc signal to cut off the power supplied to the metal elec ing a hot flame according to the present invention; trodes 22.
FIG. 2 is a front view of the apparatus; The dryer 5 is connected to the outlet of the control FIG. 3 is a sectional view of the electrolytic chamber; valve 4 and has a drying agent 51 at the upper portion and r and an outlet at the bottom. As the hydrogen and oxy FIG. 4 is a flow diagram of the apparatus. gen pass through the drying agent 51 of the dryer 5, the DETAILED DESCRIPTION OF THE water will be absorbed by the drying agent 51. When PREFERRED EMBODIMENT the drying agent 51 is saturated, the water will drop down to the lower portion of the dryer 5 and may be
For purpose to promoting an understanding of the 65 released by opening an drain outlet 52. principles of the invention, reference will now be made The second safety device 6 is connected with the to the embodiment illustrated in the drawings. Specific outlet of the dryer 5 at its inlet and with a torch 7 or the language will be used to describe same. It will, never like at its outlet. The second safety device 6 is provided

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with a chamber 63 in which are mounted a ball 61 and a tubular member mounted at one side of said hous a spring 62 urging the ball 61 to go upward. As the ing and filled with water; torch 7 is open, the hydrogen and oxygen will push the a control valve connected with an outlet of said first ball 61 downward and flow to the torch 7. In case of safety device;
backfire, the spring 62 will urge the ball 61 to go up 5 a dryer connected with an outlet of said first safety ward to close the second safety device 6thereby cutting device; and off the hydrogen and oxygen supplied to the torch 7 and a second safety device connected with an outlet of therefore, ensuring safety of the user. said dryer and having a chamber in which are When in use, the power is first turned on and the mounted a spring-loaded ball which will open an metal rods 22 will separate the water into hydrogen and 10 outlet of said second safety device when pressure oxygen. The hydrogen and oxygen will be stored in the of hydrogen and oxygen in said electrolytic cham electrolytic chamber 2 until the pressure exceeds a pre ber exceeds a predetermined value. determined value. Then, the hydrogen and oxygen flow gen2. and The apparatus for generating a mixture of hydro through the first safety device, the control valve 4 to 15 claim 1, oxygen for producing a hot flame as claimed in wherein said housing is provided with wheels the dryer 5 where the hydrogen and oxygen are dried on the bottom thereof.
by the drying agent 51. Thereafter, the dried hydrogen 3. The apparatus for generating a mixture of hydro and oxygen flow through the second safety device 6 to gen and oxygen for producing a hot flame as claimed in the torch 7.
Although the present invention has been described 20 claim 1, wherein said housing is provided with dissipat ing fins on the outer surface thereof.
with a certain degree of particularity, it is understood 4. The apparatus for generating a mixture of hydro that the present disclosure is made by way of example gen and oxygen for producing a hot flame as claimed in only and that numerous changes in the detail of con claim 1, further comprising two inverted U-shaped struction and the combination and arrangement of parts frames mounted on an inner bottom of said housing and may be resorted to without departing from the spirit 25 each provided with an exhaust fan.
and scope of the invention as hereinafter claimed. 5. The apparatus for generating a mixture of hydro I claim: gen and oxygen for producing a hot flame as claimed in 1. An apparatus for generating a mixture of hydrogen claim 1, further comprising a tube connected between and oxygen for producing a hot flame comprising: an upper part of said electrolytic chamber and a lower a housing; 30 part of said electrolytic chamber. an electrolytic chamber fixedly mounted within said 6. The apparatus for generating a mixture of hydro housing and having two electrodes extending out 'gen and oxygen for producing a hot flame as claimed in of the electrolytic chamber to connect with a recti claim 1, wherein said dryer is provided with a drying fier; agent at an upper portion and a drain outlet at a bottom a first safety device connected with an outlet of said 35 thereof.
electrolytic chamber, said first safety device being s

Provenance
- Collection
- Cited prior art
- Original PDF
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- Filed
- 1992-09-24
- Pages
- 7
- Method
- pdftotext (the PDF's own text layer) + pdftoppm 300dpi page scans
- Source
- Google Patents bibliographic record
- Granted
- 1993-09-14
- Inventors
- Huang C. Chiang
- Transcribed from
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