US1178437A - Device for controlling oil-burners. - Google Patents

Device for controlling oil-burners. Download PDF

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Publication number
US1178437A
US1178437A US87626714A US1914876267A US1178437A US 1178437 A US1178437 A US 1178437A US 87626714 A US87626714 A US 87626714A US 1914876267 A US1914876267 A US 1914876267A US 1178437 A US1178437 A US 1178437A
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Prior art keywords
steam
chamber
valve
oil
diaphragm
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US87626714A
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James H Wyckoff
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LEONEL G LIENHARD
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LEONEL G LIENHARD
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Priority to US87626714A priority Critical patent/US1178437A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply

Description

J. H. WYCKOFF.
DEVICE FOR CONTROLLING 01L BURNERS.
APPLICATION FILED DEC. a, 1914.
1,178,437. Patentd Apr. 4; 1916.
M14 777. M J5me: enry (@CFO-ff JAMES I -I..WYCKOFF, onLos mem s, CALIFQBNIA, assreivon; BY Esnn'AssIGN MENTS, TO GEORGE E. JONES, or CARDIFF-BYJLHE-SEA, CALIFORNIA, AND LEON'EL I G. LIENHARD, OF SAN DIEGO, CALIFQRNIA.,
Device roe con'riaoLLiNG oIL-BURNEas.
Thisinvention relates to a device for "con trolling oil burners, and pertains especially to a device for controlling the flow of oil and steam to a hydrocarbonburner, having two sets of feed controls, one of which may be adjusted manually todeliver an approximately uniform volume of steam and oil to the burner, and the other of which is automatically governed by the steam pressure independent of the first feed cont-r01 set, and adapted to automatically effect a re-: duction in the volume of steam and oil con 1 trolled' thereby on an increase of steam pressure above normal. 7
It is the object of this invention to so that the latter will quickly respond'to slight variations of steam pressure tending to shift same to open or close thevalve.
The inventlonis illustrated in the accom pa'nying drawing, 1n which:
Figure 1 1s aplan view of the steam and oil controlling device, with parts broken Fig. 2 1s a view in vertical section,-
away. partly 1n elevation, as seen on the'lme 22 valve near its closed position. Fig. 1 is an enlarged detail section on the line 1-4 of Fig. 2, asiseen in the direction indicated by the arrows, illustrating the packing diaphragm in elevation. Fig. 5 is a detail sec tion on the line 5-6 of Fig. 2. Fig. 6 is a diagram in plan illustrating the application ofthe invention. 1
More specifically, 10 indicates the main casing of the device, which is formed with a seriesof fourwcompartments' 11, 12, 13 and 1%, arranged alongside of, each other and separated by means of partition walls 15,
16 and 17. The chambers 11 and 12 com-.
Specification of Letters Patent. ii 1 Application filed December 9, 1914. Serial No. 876,267.
of which the pro- vide a means for packinga valve stem-in its mounting, whereby leakage of'the steam' there'around is inhibited, but which will :permit of a free movement of the valve stem,
Patented Apr. 4, 1916.
I municate with each other through an openbars-1 3 and 14 communicate with each other 1 through an opening 19 in the partition 17,
and which opening isconcentric with the:
/ OpeninglS and is beveled on its inner edge" with n the compartment 13 to form a second valve seat. v
The chamber 11 connects with a; conduit 20,=leading from any suitable source of steam supplythrougha regulating valve a,
and the chamber 12' communicates with a P1136 21, leading to-a suitable burner nozzle I). The chamber 13 has an inlet port 22 formed in its walls, communicating with a passage 23, which passes around the walls of the steam chamber 12 and connects with a; conduit 24, leading from any suitable source of oil or hydro-carbon 1 supply through a regulating valve 0;, The chamber 14; connectszwitha pipe25, leading to the burner nozzleb. s r
The partition 16 isformed with an open,- ing .concentricl'with theopenings18 and 19,
to receive a 'sleeve 26, which isrigidly mounted therein and extendsinto thecham ber '14. Thev sleeve 26' forms a bearing for a reciprocal valve stem for an enlarged cylindrical member 27, on a valve stem 28,
which cylindrical member is tapered at its ends,.where it connects with the stem 28't'o form a valve 29, adapted to" seat onjthe beveled marginal edge of the opening 18. The- ,opposite end of the cylinder 27 is beveled onits marginal edge and is formed with an internally threaded bore 30, extending a-xi:
ally thereofto'receive ascrew 31, by means ofwjhich a valve 32, arranged in the chamber 13, adaptedto seat on the beveled edge of theopening 19, is secured to the cylinder 27; The valve 32 has a tapered face adapted to conform to thebeveled edgeof the open:
ing- 19, and has acylindrical' extension 33,; tapered on its outer-marginal edge where it connects with the cylinder 27.
Interposed between the extension 33 and the cylinder 27 is adiaphragm 34:, which is preferably formed with circular concentric corrugations. ,The outer peripheral edge of the diaphragm :34 seats on the end of the sleeve 26 and is clamped tightly, thereagainst by means of anginturned flange 35 formed on an internally threaded sleeve 36, screwed onthe sleeve 26, as particularly shown in Fig. 2 to form a tight joint. The diaphragm 34 forms a packing gland by which leakage of steam from the chamber 12, into the chamber 14, around the valve stem cylinder 27, is inhibited.
The valve stem 28 extends into an opening 37, formed in the end wall 38 of the casing 10, and connects with a diaphragm 39, extending across a depression 40, formed in the outer face of the end wall 38. The diaphragm 39 is held in position on the end wall 38 by means of a plate 41, which is secured to the end wall 38 by, means of screws 42, and engages the peripheral edge of the diaphragm 39. The plate 41 is formed with a pair of parallel brackets 43, 44, which are connected together at their outer ends by means of a plate The plate 45 is formed with a threaded central bore 46, concentric with the axis of the valve stem 28, to receive a threaded stem 47, hav ing a hand-wheel 48 thereon and hearing at its inner end on a disk 49, arranged parallel with the plate 45. A corresponding disk 50, arranged at the base of the brackets 43 and 44, has a bulge 51 thereon, which extends into a socket formed in a plate 52, carried by the diaphragm 39.
Interposed between the disks 49 and 50 is a helical spring 53, which bears between the disks 49 and 50 and acts upon the diaphragm 39 to normally maintain the valve stem 28 in its advanced position, with the valves 29 and 32 in their open position.
In the operation of the parts of the de vice described, steam is admitted to the chamber 11, through the conduit 20, and oil is delivered to the chamber 13 through the conduit 24, passages 23 and port 22. admitting steam to the chamber 11, a pres sure is exerted on the diaphragm 39 in opposition to the spring 53, thereby tending to close the valve 29, the extent of opening of which will thus be regulated according to the amount of pressure in the chamber 11, and the tension of the spring 53 opposing such pressure. The steam, unless it reaches an excessive pressure, will flow from the chamber 11, through the opening 18, into the chamber 12, and from thence through the pipe 21 to the burners, where it is employed for volatilizing the oil fuel in the usual manner. In event the steam pressure becomes excessive, which might result in extinguishing the flame at the burner nozzle, the steam will operate on the diaphragm 39, in opposition to the spring 53, to partially close the valve 29 to decrease or shut off the supply of steam delivered to the burner through the opening 18. The oil delivered to the burner passes from the conduit 24, through the passage 23, around the walls of the steam chamber 12, where it becomes heated and is then deliveredto'the chamber 13', through the port 22. A quantity of the oil will then be delivered to the burner through the pipe 24 and chamber 14, when the valve 32 is open, and flow in a volume trom the chamber 13 to the chamber 14, according to the the extent of opening of the valve 32, which opening is regulated by the amount of the steam pressure in the chamber 11. hen the steam pressure in the chamber 11 is normal, the valves 29 and 32 will be in their normal open position, thus delivering the proper proportions of steam and oil to the burner nozzle, and when the steam pressure becomes excessive and the diaphragm 39 is actuated to partially or completely close the valve 29, the valve 32 will partially or completely close. In this manner any fluctuation in the steam pressure above normal in its source of supply and in the chamber 11 will effect a reduction of the steam and .oil delivered to the burner nozzle through the valve openings 18 and 19, by shifting the valves 32 and 29 through their vconnections.
The invention resides in the provision of the corrugated diaphragm 34, which forms a tight seal to prevent leakage of steam from the chamber 12 into the chamber 14, and at the same time permits a free movement of the'cylinder 27 in the sleeve 26, the corrugations of the diaphragm permitting the necessary flexure thereof.
As a means for preventing the complete extinguishing of the flame at the burner in event the steam and oil are entirely cut off by the valves 29 and 32, a by-pass port 54 is provided in the wall of the chamber 13, which port communicates with the chamber 14 and is adapted to be closed by means of a valve 55, on a threaded stem 56, extending through the side wall of the casing 10 and fitted with a hand-wheel 57.
A constant flow of a regulated quantity of oil is delivered to the burner by means of the port 54 and valve 55 directly from the supply pipe 24, and through the pipe 25 independent of the automatically controlled valve 32, so that there will be a steady flow of a portion of the oil delivered to the burner, which fluctuations of the valve 32 will not afiect.
For the purpose of by-passing a quantity of steam from the chamber 11 to the'chamber 13, so as to deliver a constant flow of steam to the oil burner independent of the flow controlled by the valve 29, a by-pass channel 58 is formed in'the side wall of the casing 10 and forms a communication between the chambers 11 and 12, through ports 59 and 60 respectively. The opening of the port 60 is adapted to be regulated by means of a valve 61, on a threaded stem 62, extending through the side of the chan nel 58 and fitted with a hand-wheel 63, by
As a means for introducing steam into the chamber 18, either While the apparatus is in operation or for the purpose of cleaning the chamber 13 and valve 32, a by-p'ass passage 64: is formedin the Walls 10 of the device, Which communicates with ports 65 and 66 and with the chambers 13 and 11. A valve 67 adapted to be adjusted by a hand- Wheel 68, is provided for closing the port 65 and regulating the opening in same, as occasion may require.
What I claim is:
I. In a device for controlling the flow of steam and oil to hydrocarbon burners, the
combination With a casing having a pair of communicating steam compartments and a pair of communicating oil compartments and a pair of connected valves controlling the communications between said compartments, of a flexible diaphragm interposed between said valves and rigidly clamped at its peripheral edge forming a seal,-Whereby leakage of steam from the steam com- 'partments to the oil compartments Will be inhibited, and a second diaphragm connected to said valves to be operated on by fluid pressure to eifect movement thereof.
2. In a device for controlling the flow of steam and oil to hydrocarbon burners, the combination with a casing having an oil compartment and a steam compartment, of valves fixedly secured to each other controlling the flOW' of oil and steam into said compartments, a bore between said compartments, a diaphragm secured to and between saidvalves, means securing said'diaphragm at its periphery to seal said bore, and a second diaphragm connected to said valves to be operated'on by fluid pressure to effect movement thereof.
In Witness thatrI claim the foregoing I have hereunto subscribed my name this 24th day of November, 1914.
J. WYOKOFF.
Witnesses: Y
JAMES M ABBOTT,
V MARGUERITE BATES.
Copies of this patent may be obtained for five cents each by addressing the Commissioner of Patents, Washington, D. 0.
US87626714A 1914-12-09 1914-12-09 Device for controlling oil-burners. Expired - Lifetime US1178437A (en)

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