US1966399A - Gas burner support - Google Patents

Description

July 1o, 1934. E. J. TE PAS T AL 1,966,399

GAS 'BURNER SUPPORT Filed Deo. 31. 1931 F 7 E. INVENTORS Edmund J- TePa'S BYEarZ JH nsen ,am 'ATTORNEY Patented .uy I, 11934' GAS BURNER SUPPORT Edmund J. 're Pas, Lakewood, and Earl J. Hansen,

Cleveland, Ohio, assignors to The Cleveland Heater Company, Cleveland, Ohio, a corporation of Ohio Application December 31, 1931, Serial No. 584,192

claims. (c1. 12a-'250) This invention relates to gas burners and in particular to adjustable and removable supporting means for gas burners.

In the operation of gas burning appliances such 5 as stoves, water heaters and the like, it is customary to position the burner at different heights in accordance with the type of gaseous fuel Vused. The height of the burner with respect to the objects which it is heating, is inv general conditioned upon the B. t. u. value of the fuel used. Thus, with natural gas, of high B. t. u. value, the burner is located a greater distance'from the object it is heating than when manufactured gas of low B.Y t. u. value is used. 'Ihe'reason for this is because as the B. t. u. value increases, the flame length of the burner also increases, and in gas burners, it is important that the burner name does not impinge upon the object which it is heating as this would cause cooling of the llame resulting in incomplete combustion and the'production of dangerous .amounts of carbon-monoxide. yThe ei'cient use of the burner also requires that it be positioned as near to the object it is heating as is possible. 1

It is the object of this invention to provide an improved Bunsen tube and burner support by means of which the burner head may be readily lpositioned at any desired height. A further object of this invention is to provide a gas burner which may be readily and quickly disassembled and removed from the appliance with which it is used.

With these and other objects in view, the invention consists in the novel construction, arrangement and combination ofparts, hereinafter described, illustrated in some of its embodiments'in the accompanying drawing and particular] Vpointed out in the appended claims.

In the drawing, Figure 1 illustrates a side elevational view largely in section, of a conventional water heater embodying our improved burner supl' -4 port. Figure 2 is an enlarged side elevational view of the Bunsen tube and lock rings shown in Fig'- ure 1. Figure 3 is a sectional view taken on line 3 3, Figure 2, and Figure 4 is a plan view of one of the lock rings used inv connection with the Bunsen tube shown in Figures 1 and 2.

For purposes of illustration, we have shown our invention in connection with a gas fired water heater embodying a heater casing 1, in which a water circulation element 2 is housed. 'I'he heater casing is provided with a base 3 having a drip pan 4 integrally formed therewith. The base 3 is secured to the casing in any suitable manner, such as by the screws 5. The circulation element 2 is supplied with heat by a gas burner 6 which is CII the gas cock 10. threadedupwardly so as to be brought into con- 'tact with the lower end of the cylindrical wall provided with a depending neck '7 having a tapered bore for reception and connection with a gas and air mixing tube 8, by means of which fuel is supplied to the burner head. The central portion ofthe drip pan 4 is provided with a vertically 60 arranged cylindrical wall or sleevev 9 formed integrally with the heater base and drip pan. The circular aperture defined by the wall 9 is provided for the reception of the Bunsen or gas and air mixing tube 8. The Bunsen tube is provided with an integrally formed spider 17 centrally drilled and tapped for receiving a gas cock l0 which in turn is in communication with the gas supply line 11.

The Bunsen tube 8 is adjustably securely in 70 position iny the heater base by means of a pair of threaded lock rings 12 which engage with threads 13 formed on the outer face of the Bunsen tube. Portions of the threading of the lock rings are removed leaving alternate threaded sectors 15 75 of an angular width of slightly less than ninety degrees. Certain parts` of the threading are removed from the upper portion of the Bunsen tube as at 14 forming-vertical slots so that the upper lock ring may bereadily removed or applied to the Bunsen tube Without more'than one-eighth of a turn. These parts cooperate in a well known manner and constitute va conventional bayonet joint. The lock rings 12 are provided with ears 16 to facilitate. their manipulation. The threads 85 of the Bunsen tube andthe lock rings are of such vpitch as to permit their being formed in the `casting operation by which the rings and tube are formed. Y In the application of the device to the heater,

'the gas supply line is extended to the appliance and is fitted at its end with a gas cock 10. The

.Bunsen tube 8 along with the lower lock ring which isrun down on the tube, is screwed onto The lower lock ring is now 9 of the heater base. The upper ring is then dropped into position and given a slight turn which is s'uicient to lock the tube in place in 100 `the heater base whereupon the burner 6 is then .fitted into position over the tapered and ground upper end of the Bunsen tube 8 and the assembly of this portion of the appliance is then completed.

The height of the burner may be readily increased or decreased by turning the lower lock ring to the desired position and then locking the upper lock ring in place. When it is desired to remove the burner and Bunsen tube or 1 10 to disconnect the entire heater from the gas line for repairs or other reasons, the operation is greatly facilitated by reason of our improved Bunsen tube and all that is required to be done is to remove the burner and the upper lock ring whereupon the lower lock ring may be backthreaded a sufficient amount so that the Bunsen tube can be unscrewed from the gas cock 10. It is to be noted that in effecting these operations, it is unnecessary to disconnect any of the gas supply lines or to turn off the gas at the meter as the gas cock l() serves as a shut-off for this purpose and by reason of the provision of our novel removable Bunsen tube, it is not necessary to provide a union in the gas line as is customarily provided for the purpose of facilitating the connection and disconnection of the appliance to the gas supply line. The position of the burner may be vertically adjusted in most cases after the gas line has been installed as the gas piping is usually flexible enough to take care of the slight raising or lowering of the burner that may be necessary It is understood, of course, that with a given gas, the burner would occupy a given position and it would not be necessary or desirable to vary this position of the burner once the appliance is installed and the gas used remains the same. A further advantage of our invention in addition to those already noted, results from the fact that a manufacturer can use a single burner and base construction to take care of both natural and manufactured gas by reason of the adjustable features of our burner and its supporting means. In practice, the outlet of the Valve 10 would be provided with a reducing orifice or removable spud, the drilling or orifice of which would be varied in accordance with the type of gas used.

Furthermore, it is to be understood that the particular forms of apparatus shown and described, and the particular procedure set forth, are presented for purposes of explanation and illustration and that various modifications f said apparatus and procedure can be made without departing from our invention as defined in the appended claims.

Having thus described our invention, what we claim is:

1. In a gas fired water heater, in combination, a heater casing, a combined base and drip pan detachably secured to the bottom of said casing and having a relatively short vertical sleeve deining a central aperture therein, water circulation elements in said casing, a gas burner located therebelow, a gas supply conduit therefor, a valve in the end of said conduit for controlling the gas supply of said burner, a Bunsen tube detachably connected to said valve and extending through the aperture of said base and drip pan for supporting said burner, threads formed on the exteriorof said Bunsen tube and removed in part from the upper portion thereof so as to form a plurality of longitudinally arranged channels, and threaded lock rings having alternate sections of threading removed so that the rings slidably fit in the channels of said Bunsen tube and engage the threads thereof whereby a pair of spaced rings may be brought into engagement with the top and the bottom of the sleeve of said base and drip pan for providing a quickly detachable means for adjustably securing said Bunsen tube in the aperture of said base, and ears formed on said rings to facilitate their manipulation.

2. A heating appliance, a uid hydro-carbon fuel burner for supplying heat to said appliance, an exteriorly threaded tube member for conducting fuel to and for supporting said burner, said tube member extending through a part of said appliance and having portions of its threading removed so as to denne longitudinal channels on its face, and means for clamping said tube member to said appliance, said means comprising a pair of threaded lock-rings having portions of their threading removed so as to be slideably adjustable in the longitudinal channels formed on the tube member, said threaded lock-rings being disposed on opposite sides of the part of the appliance through which the tube member extends and in clamping engagement withv said part.

3. In a device of the kind described, a heating unit, a heat receiving unit, and means to vary the relative spacing between the two, said means including screw threads on one of said units, an axial slot in said threads, supporting means for said other unit, a member carried by said supporting means and having cooperating slotted threads, with the threaded portion of said member corresponding to the slotted portion of the rst unit, whereby said unit may be slipped axially of said member without interference of said threads.

4. In a device of the kind described, a heating unit, a unit for supporting an element to be heated and means to vary the relative positions of the two, said means including a locking member adjustable along one of said units, means on said other unit engaging said locking member, and a second locking member on said one unit, for clamping said last named means against rst locking member, said second locking member having projections thereon selectively cooperating with an axial series of corresponding projections on said one unit in one position to prevent relative axial movement and in another position free of such cooperation to permit relative axial movement and movable to said'rst position at substantially any point of its axial path to effect the clamping.

5. In a device of the kind described, a heating unit, a support unit for an element to be heated, and means to adjust the position of the heating unit relative to the support unit, comprising a locking member adjustable along one of said units, said other unit engaging said locking member, screw threads on said rst unit, a slot in said threads, a second locking member threaded to engage the threads on said first unit, said locking member threads being slotted whereby said threads may enter the first slot, whereby the locking member may be slipped axially of the unit and then rotated.

EDMUND J. TE PAS. EARL J. HANSEN.

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