US2108734A

US2108734A - Oil burner

Info

Publication number: US2108734A
Application number: US119685A
Authority: US
Inventors: Josiah Howard Van Sciver
Original assignee: Bethlehem Foundry & Machine Co
Current assignee: Bethlehem Foundry & Machine Co
Priority date: 1937-01-08
Filing date: 1937-01-08
Publication date: 1938-02-15
Anticipated expiration: 1955-02-15

Description

Feb l5, 193% J. H. VAN son/ER f 30,73"

' OIL BURNER Filed Jan. 8, 1957 5 Sheets-Sheet l Feb, l5, 1938. J. H. VAN scm/ER 2,308,734

' OIL BURNER Filed Jan. 8, 1957 3 Sheets-Sheef,V 2

Zinc/067%?? Feb. l5, 1938. J. H. VAN scm-:R 2l03734 oL BURNER l l Filed Jan. s, 1937 5 sheets-sheet 5 Patented Feb. 15, 1938 UNITED STATES PATENT OFFICE OIL BURNER Sylvania Application January 8, 1937, Serial No. 119,685

9 Claims.

This invention relates to improvements in oil burners, and relates more particularly to burners of the type disclosed in my prior United States Patent No. 1,973,187.

A principal object of the present invention is to provide a compact and simplified assembly wherein the operating parts of the burner, inclusive of the blower, the motor and the oil pump, are mounted in a mannerto reduce to a minimum the usual operating noises, to prevent amplification of these noises, and to preclude noises arising from vibrations set up by the operating members and transmitted to the metallic casing of the burner and through the casing to the furnace.

The invention will be more readily understood by reference to the attached drawings, in which:

Figure 1 is a side relevational View of a burner made in accordance with my invention;

Fig. 2 is a section on the line 2-2, Fig. 1;

Fig. 3 is a fragmentary section on the line 3-3, Fig. 2;

Fig. 4 is a View in perspective of one of the elements of the assembly, a portion of this element being broken away to show the `cross sectional form of the element, and

Figs. 5, 6 and 'l are fragmentary views in perspective illustrating a detail of the construction.

With reference to the drawings, the burnerv comprises a casing I providing a blower chamber 2 and discharge conduit 3 extending therefrom. The casing I is mounted in the present instance upon a pedestal 4 which rises from a suitable base 5. As shown in Figs. 1 and 3, the casing consists of two separable sections, 6 and I respectively, which are united by means of bolts 8.

At opposite sides of the chamber 2, the casing is formed with circular openings Il and I, and the edges of these openings form seats for a pair of rubber or other suitable resilient rings II, one of these rings being shown in perspective in Fig. 4. Each ring is L-shaped in cross section, and in assembly the outstanding flanges I2 extend along the outer faces of the casing, as shown in Fig. 2. Each of the rings has on its inner periphery a series of inwardly projecting bosses I3, shown in Fig. 4, and one of these bosses |311 is extended for a purposeV hereinafter set forth. Opposite this extended boss I3a, on the outer periphery of each ring, is a boss Ill, which as shown in Fig. 3 fits into a recess I5 in the annular seat of the casing, and thereby in effect immobilizes the ring I I with the casing.

Seating in the interior of the rings II and against the inwardly projecting bosses I3 of the latter is an annular structure I6, this structure consisting of the two spaced and aligned annular portions I'l and I3 which seat directly on the rings II and which are connected together at diametrically opposite sides by axially extending bridge portions I9 and 2l.' Each of the annular portions Il and I8 comprises an outwardly extending flange, 22 and 23, respectively, which bear against the outer faces of the flanges I2 of the rings I I, as clearly shown in Fig. 2, and the member I5 is so relatively proportioned with respect to the housing I that the resilient rings II are closely confined under slight compression between these two parts. Each of the annular portions I'I and I8 of the member I6 is provided with a recess 2d, which in assembly receives the extended boss i3d of the respective resilient rings II, the member I3 thereby being immobilized with respect to the ring, and through the ring with respect to the housing I. It will be apparent that the member It is thus securely mounted in the housing I and solely through the medium of the resilient rings I I, and that metalto-metal contact between these parts is thereby obviated.

Secured to the annular portion II of the member i6 through the medium of screws 25 is an electric motor 26, and this motor in effect closes the opening at one side of the chamber 2. The shaft 2l of this motor extends axially through the chamber 2 and has secured thereto, through the medium of a hub element 28, a blower 29, this blower occupying a centrally located position within the chamber. As shown in Fig. 2, the annular portion I8 of the. member I6 is extended in the axial direction'at 3l and is provided at its outer end with an inwardly extending flange 32 in which is mounted a fuel pump 33. 3Q of this pump is aligned with the motor shaft 2l, and is connected to the latter through the medium of a suitable flexible coupling 35. The cylindrical wall 3i is provided as shown in Fig. 2 with a series of ports 36 distributed around its periphery which afford access for air to the interior of the housing I and to the blower 29, and this wall carries externally an apertured sleeve 3l which may be adjusted circumferentially to regulate the effective areas of the intake ports 36. 'A screw 38 is provided for securing the sleeve 3l to the flange 23 of the member I6 in adjusted position. Suitably secured within the annular portion I3 of the member I8 is an annular de*- flector 39 which directs the incoming air to the intake opening 4|) in the vside of the blower 29. It will be noted that by reason of the location The shaftof the pump 33 within the cylindrical extension 3|, the air drawn through the ports 36 by the action of the blower 29 is caused to flow over and around the pump casing, thereby exerting a cooling effect upon the pump. To the outer end of the cylindrical extension 3l is attached' a casing 4| which houses the outer portions of the pump.

It willbe noted from the foregoing description that through the medium of the member I6 which constitutes a common mount for the motor and the pump, and indirectly for the blower .2,9 which is carried by the motor shaft 2l, these working parts of the burn-er form a unit assembly which finds through the resilient rings lil Va oating mount upon the casing l, and that therel is in this way a complete segregation of the perating parts of the burner from the casing and from the furnace structure with which the casing is assembled. By this means, the transmissionof vibrations set up in the working parts` to the blower casing is prevented.

I claim: Y

l. In an oil burner, the combination with a casing providing a blower chamber and a discharge conduit extending from one side of said chamber, said casing having an opening in eachV of two-adjoining sides of the chamber and respectively at opposite sides of said conduit, a resilient element seated in each of said openings, and a member supported in said resilient elements and constituting a common support for a motor, a pump and a blower operatively connected in line extending transversely to the axis of the discharge conduit, said blower being located within said chamber.

2. In an oil burner, the combination with a casing providing a blower chamber and a discharge conduit extending from one side of said chamber, said casing having a circular opening in each of two adjoining sides of the chamber and respectively at opposite sides of said conduit, a resilient ring seated in each of said openings, and a member having annular parts seated respectively in said rings and constituting a common support for a motor, a pump and a blower operatively connected in line extending transversely to the axis of the discharge conduit, said blower occupying a position within said chamber.

3. In an oil burner, the combination with a casing providing a blower chamber and a discharge conduit extending from one side of said chamber, said casing having an opening in each of two adjoining sides of the chamber and respectively at opposite sides of said conduit, a resilient member seated in each of said openings, a structure seating against said resilient elements and being supported through said elements upon the casing, a motor attached to one end of said structure and closing one of said chamber openings, said motor having a shaft extending into said chamber transversely to the axisof said conduit, a pump mounted in the other end of said structure and operatively connected with said shaft, and a blower mounted on the shaft within the chamber.

4. In an oil burner, the combination with a casing providing a blower chamber and a discharge conduit extending from one side of said chamber, said casing having an opening in each of two adjoining sides of the chamber and respectively at opposite sides of said conduit, a resilient element seated in each of said openings, a structure seated on said resilient elements and supported through said elements upon the casing, a motor attached to one end of said structure and closing one of said chamber openings, said motor having a shaft extending into said blower chamber transversely to the axis of said conduit, a hollow extension at the opposite end of said structure .embracing the other of said casing openings and having ports for ow of air through the. last-named opening to theY blower chamber, a pump mounted on said extension and projecting into they interior of the latter, means for: operatively connecting the pump with said shaft, and a blower mounted on said shaft within the said casing chamber.

5. VIn ani oil burner, the combination with a casingv providing a blower chamber and a discharge conduit extending from one side of said chamber,

said casing having a circular opening in each of two adjoining sides of said chamber and at opposite sides of said -conduit respectively, a resilient ring seated in each of said openings, a structure having annular portions seating respectively upon said resilient rings and being supported through said rings upon the casing, one of the annular portions of said structure being extended outwardlyv from said chamber to form a pump housing and having therein ports for passage of air to the blower chamber, a pump mounted in said eX- tension, a motor mounted at the opposite end of said structure and having a shaft extending into the blower chamber, means for operatively connecting said shaft to the pump, and a blower mounted on said shaft within they blower chamber,

' 6. In an oil burner, the combination with a casing providing a, blower chamber and a discharge conduit extending from one side of said chamber, said casing having an opening in each of two adjoining sides of said chamber and at opposite sides of said conduit respectively and being divided along lines intersecting said openings, an annular rubber element seated in each of said openings and an annular structure'seated in said elements and being supported through said elements upon the casing, a motor mounted at one end of said structure and having a shaft projecting into said blower chamber transversely to the axis of said conduit, a pump mounted at the other end of said structur-e outwardly of said chamber, means operatively connecting the pump with the shaft, and a blower mounted o-n said shaft within the blower chamber.

7. In an oil burner, the combination with a casing providing a blower chamber and a discharge conduit extending from one side of said chamber, saidV casing having a circular opening in each of two adjoining sides of said chamber and at opposite sides of said conduit respectively, a rubber ring seated in each of said openings, a structure having annular portions seating respectively in said rings, a motor mounted at one end of said structure and having a shaft extending into the blower chamber transversely to the axis of said conduit, a pump Vmounted at the other end of said structure 4outwardly of said chamber,- means operatively connecting the pump with said shaft, a blow-er mounted on said shaft within the blower chamber, and means for positively interlocking the said rubber rings both with the casing and with said structure.

8. In an oil burner, the combination with a casing providing a blower chamber and a discharge conduit extending` from one side of said chamber, said casing having an opening in each of two adjoining sides of said chamber and at opposite sides of, said conduit respectively, a resilient element seating in each of said openings,

a structure seating on said resilient elements and supported through said elements upon the casing, a motor attached to o-ne end of said structure and having a shaft projecting into the blower chamber transversely to the axis of said conduit, a cylindrical extension at the other end of said structure outwardly of said chamber, a pump mounted in said extension and operatively connected with said motor shaft, said extension having in the cylindrical wall thereof ports for admission of air to the blower chamber, an apertured sleeve adjustably'mounted on said cylindrical extension and aording means for regulating the eiective area of said ports, and a blower mounted on saidshaft Within the blower chamber.

9. In an oil burner, the combination with a casing providing a blower chamber and a discharge conduit extending from one side of said chamber, said casing having an opening in each of two adjoining sides of said chamber at opposite sides of said conduit respectively, a resilient element seated in each of said openings, and a unit assembly supported in said resilient elements and comprising a motor, a pump and a blower operatively connected in line extending transversely to the axis of said conduit, said blower being positioned within the blower chamber, and said motor and pump being positioned outwardly of and at oppo-site sides of said chamber.

J OSIAH HOWARD VAN SCIVER.