US1040289A - Electric preheater for pilot-burners. - Google Patents
Electric preheater for pilot-burners. Download PDFInfo
- Publication number
- US1040289A US1040289A US70110412A US1912701104A US1040289A US 1040289 A US1040289 A US 1040289A US 70110412 A US70110412 A US 70110412A US 1912701104 A US1912701104 A US 1912701104A US 1040289 A US1040289 A US 1040289A
- Authority
- US
- United States
- Prior art keywords
- fuel
- casing
- burners
- plug
- pilot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/44—Preheating devices; Vaporising devices
Definitions
- This invention relates to liquid fuel burners and more particularly to devices for preheating and vaporizing the fuel before it is delivered to the burner.
- Fig. 3 is a side elevation of the pre-heater and parts associated therewith.
- 10 indicates the burner casing andll and 19 two of the main burners arranged therein.
- burners 11 and 12 is arranged a pilot-burner 13.
- the object of the pilot burner is to maintain a small flame under the boiler to keep the water hot when the automobile is not ruiining'anrilnl'so to provide means for instantly lighting the main burners when the fuel is supplied thereto.
- the fuel to the main burners may be supplied by means of a pipe 14 and the fuel to the pilot burner may be supplied by a pipe 15, these pipes preferably extending across the burner casing above the burners-whereby the fuel is pro-heated before it reaches the burners.
- a vertical tubular member 16 Arranged 0n the exterior of the casing 10 is a vertical tubular member 16 which has its upper part connected with the pipe 15. At the lower endol' the member 16 is a nozzle 17 for supplying fuel to the burner 13. Ordinarily only a very small quantity of fuel is required by the pilot burner 13 and therefore in order to restrict the flow through the nozzle 17 to the amount required Between the a wire 18 is arranged in the opening 19 in the nozzle. This wire also serves as a convenient means for cleaning the opening l9.
- the wire 18 is preferably arran ed In a plug ilO which is secured in a suitable open-- mg in the member 16 opposite the nozzle 17.
- a plug 21 may also be arranged at the lower end of the member ltl whereby any foreign substances collecting at the bottom of the member 16' may be readily removed.
- the upper end of the tubular membe 16 is provided with a screw-thread ed opening in which is arranged a plug 22 which carries a rod 23 of porcelain or other insulating material. At its lower end the rod. may be provided with the radially extending lugs 24 which enga e the wall. of the tubular member 16 and 101d the rod. securely in position.
- a resistance wire 25 is Coiled on the exterior of the rod 23 .
- the plug 22 may also be provided with a terminal 27 and since the plug 22 is made of conducting material such as brass, it will be seen that. when the terminals 26 and 27 are coin-looted in an electric circuit the current will pass through the coil 25 from one terminal to the other. It will be observed that there is an annular passage between. th rod 23 and the inner wall of the tubular member l6, which permits the fuel to pass freely from the tube 15 to the nozzle 17.
- the fuel for the burner 13 will be normally pro-heated and vaporized in the tube '15 so that when the fuel is discharged from the nozzle 17 it will readily mix with the air;
- the pilot burner after the vehicle has" been standing for a considerable time with all the burners out so that the fuel in the tube 15 is at substantially the. same tem 'ierature as the surrounding, atmosphere,
- a device of the class described the combination of a casing, a fuel supply'pipe connected with the casing near one end thereof, a nozzle at the other end of the eas- ,ing, a plug having screw-threaded engagement with the casing a rod of insulating material secured to said plug and extending longitudinally of said casing and provided.
Description
A. DOBLE. ELECTRIC PREHEATER FOR PILOT BUBNERS.
' APPLICATION FILED JUNE 1, 1912.
1,040,289. Patented 0ct; 8, 1912.
WIY NESSES' I1VVE 'NTOR. [9f lads 9% C m 2 1 A ATTORNEKS Alarms, DOBLE, or. renoonmnn, MASSACHUSETTS, nssrcmon 1'0 HELEN A. poem. or
- BROOKLINE, MASSACHUSETTS.
ELECTRIC PREHEATERFOR PILOT-BURNEB/S.
Specification 01' letters Patent.
Patented on. un
Application filed June 1, 1912. Serial No. 101,104
To all whom it may concern:
Be it known that I, Arman Donne, a citizen of the United States, residing at Broole line, in the county of Norfolk and State of Massachusetts, have invented certain new and useful Improvements in Electric Preheaters for lilot-liurners, of which the following is a specification.
This invention relates to liquid fuel burners and more particularly to devices for preheating and vaporizing the fuel before it is delivered to the burner.
The objects of the invention are to provide an electrical pro-heater which is simple in' in section; Fig. 3 is a side elevation of the pre-heater and parts associated therewith.
Referring to the drawings, 10 indicates the burner casing andll and 19 two of the main burners arranged therein. burners 11 and 12 is arranged a pilot-burner 13. The object of the pilot burner is to maintain a small flame under the boiler to keep the water hot when the automobile is not ruiining'anrilnl'so to provide means for instantly lighting the main burners when the fuel is supplied thereto.
The fuel to the main burners may be supplied by means of a pipe 14 and the fuel to the pilot burner may be supplied by a pipe 15, these pipes preferably extending across the burner casing above the burners-whereby the fuel is pro-heated before it reaches the burners.
Arranged 0n the exterior of the casing 10 is a vertical tubular member 16 which has its upper part connected with the pipe 15. At the lower endol' the member 16 is a nozzle 17 for supplying fuel to the burner 13. Ordinarily only a very small quantity of fuel is required by the pilot burner 13 and therefore in order to restrict the flow through the nozzle 17 to the amount required Between the a wire 18 is arranged in the opening 19 in the nozzle. This wire also serves as a convenient means for cleaning the opening l9. The wire 18 is preferably arran ed In a plug ilO which is secured in a suitable open-- mg in the member 16 opposite the nozzle 17. A plug 21 may also be arranged at the lower end of the member ltl whereby any foreign substances collecting at the bottom of the member 16' may be readily removed. The upper end of the tubular membe 16 is provided with a screw-thread ed opening in which is arranged a plug 22 which carries a rod 23 of porcelain or other insulating material. At its lower end the rod. may be provided with the radially extending lugs 24 which enga e the wall. of the tubular member 16 and 101d the rod. securely in position.
Coiled on the exterior of the rod 23 is a resistance wire 25, one end of which is int erably connected with the plug 22 an the other end of which is bent around one of the lugs 24 and passed upwardly througha central opening in the rod imd'lzonne iletl with a terminal 26 at the upper end of the rod. The plug 22 may also be provided with a terminal 27 and since the plug 22 is made of conducting material such as brass, it will be seen that. when the terminals 26 and 27 are coin-looted in an electric circuit the current will pass through the coil 25 from one terminal to the other. It will be observed that there is an annular passage between. th rod 23 and the inner wall of the tubular member l6, which permits the fuel to pass freely from the tube 15 to the nozzle 17.
In the operation of the device the fuel for the burner 13 will be normally pro-heated and vaporized in the tube '15 so that when the fuel is discharged from the nozzle 17 it will readily mix with the air; When it is desired to light the pilot burner after the vehicle has" been standing for a considerable time with all the burners out so that the fuel in the tube 15 is at substantially the. same tem 'ierature as the surrounding, atmosphere,
it current is passed through the coil :45 and the heat generated in the coil raises the temperature of the fuel in the tubular member 16 to a sullicientdegree to cause the fuel to be vaporized. As soon as the burner 13 is lighted the heat from the burner will heat the fuel in the tube 15 sufficiently to permit the coil 25 to be out out by opening the cireuitwhich supplies the coil. It will thus be seen that itis mtended to use the preheat ing coil only at such times as when there is no heat availabletrom the burners to pre heat: the fuel in thej'supply tube. By removing the plug, 22 from the tubular member 16, the rod 23 with the coil 24: thereon may be taken out and cleaned or repaired and also permit the 'interi or of the tubular member to be cleaned Having thus described my invention, what I claim is:
' 1. In a device of the class described, the
combination of a casing, a pipe for supplying fuel to one end of the casing, a nozzle at the, opposite end of the casing, a plug secured in the casing, and a preheatingcoil secured to said plug and arranged in said casing and coiperating with the latter toform a restricted passage between the sup ply pipe and the nozzle.
2. In a device of the class described, the combination of a casing, a fuel supply'pipe connected with the casing near one end thereof, a nozzle at the other end of the eas- ,ing, a plug having screw-threaded engagement with the casing a rod of insulating material secured to said plug and extending longitudinally of said casing and provided.
with laterally projecting lugs adapted to support the inner end thereof, and a preheating coil arranged on said rod and having tion with the casing near said supply pipe, a rod of insulating material carried by said plug and extending longitudinally of said casing between the supply pipe and the noz zle, said rod projecting through said plug and being provided with a terminal on its outer end, and a resistance coil arranged'on said rod and having one end connected with said plug and the ot-her'end with said terminal.
' 4. In a device of the class described, the
combination of a casing, means for. supplymg fuel to one .end of said, casing, a nozzle at the other end of said casing, a preheating coil arranged in said casing between said supply means and said nozzle, a plug arranged in saidcasing adjacent said. nozzle, and a wire secured to said plug and extend-- ing through said nozzle.
In testimony whereof-I aflix my in presence oftw'o witnesses,
ABNER DOBLE:
signature Witnesses: c v ALBERT P. Braces,
E WARD W..BAKER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70110412A US1040289A (en) | 1912-06-01 | 1912-06-01 | Electric preheater for pilot-burners. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70110412A US1040289A (en) | 1912-06-01 | 1912-06-01 | Electric preheater for pilot-burners. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1040289A true US1040289A (en) | 1912-10-08 |
Family
ID=3108560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US70110412A Expired - Lifetime US1040289A (en) | 1912-06-01 | 1912-06-01 | Electric preheater for pilot-burners. |
Country Status (1)
Country | Link |
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US (1) | US1040289A (en) |
-
1912
- 1912-06-01 US US70110412A patent/US1040289A/en not_active Expired - Lifetime
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