US2564074A - Cleanout ventilator attachment for ranges - Google Patents

Description

A 1951 v. F. MUSANTE 2,564,074

CLEANOUT VENTILATOR ATTACHMENT FOR RANGES Filed Jan. 31, 1949 I'M/Emma we row F. Ml/JWNTE A/IJ' ATTORNE' V Patented Aug. 14, 1951 UNITED sTATss PATENT orrrcs CLEAN OUT VENTILATOR ATTACHMENT FDR IRANGES Victor F. Musante, San Francisco, Calif., assignor to Dohrmann Hotel Supply (30,, San Francisco, Calif., a corporation of Nevada Application January 31, 1949, Serial No. 73,681

2 Claims.

grease.

The present invention has for its purpose the provision of an improved ventilator attachment of the above character which provides for ready access to the interior of the grease trapping structure to enable easy inspection and cleaning of such interior.

The above and other objects of the invention will be apparent from the following description of a preferred embodiment of the invention, as illustrated in the accompanying drawings, in which:

Figure 1 is a partial front elevation of a ventilator attachment embodying the invention.

Figure 2 is a vertical sectional view through the attachment.

Figure 3 is a fragmentary sectional view of the hinge or pivot construction.

Figure 4 is a fragmentary sectional view of a modified trough and baflle construction.

Referring to the drawings, the ventilator attachment includes a generally rectangular open front frame structure including a back wall I0, and respective side plates I I extending outwardly therefrom above the cooking surface I2 of the range indicated schematically in Figure 2. As illustrated, the back wall In includes a rear section Illa which may be integral with the side plates I I and an interior back wall IUb is spaced therefrom and formed at the bottom as a grease trough I3. From the outer or front lip of the trough I3 a second back wall portion Illc' extends downwardly and is joined suitably to the wall portion Illa. Projecting forwardly from above the trough I3 and extending between the two side plates II is a horizontal shelf I4 which may be formed integrally with a front wall section It of a passage H to form a cleaning door unit.

The passage I'I leads upwardly from below the shelf I4 into an enlarged grease trapping chamber I8 from which a suitable conduit (not shown) extends to the point of disposal of the fumes. The entrant end of the passage I1 is formed by a transverse slot I9 formed between the rear edge 2 of the shelf and the forward edge of the trough Baffle means are provided to form a tortuous path of flow of the fumes and grease laden air from above the stove to aid in extraction of grease. An arcuate baffle 2!, Which may be suitably attached as by welding to the door unit formed by the shelf l4 and the wall section I6 extends downwardly and rearwardly toward the center-of the trough .13. A V-shaped baffle 22 is secured on the wall Ill?) and spaced upwardly from the arcuate bafiie 2 As shown, these bafiles provide atortuous flow of the air entering the lower end .of the passageso that certain particles of grease and other. matter entrained with the gases are thrown therefrom through centrifugal action against the rear wall of the passage. Also it is to be noted that the trough I3 underlies the respective front and rear walls of the passage H to catch any grease dripping therefrom.

To provide for easy access to the passage and baflie structure for cleaning, the door unit formed by the shelf I4 and the wall section I 6 is provided with a hinge or pivot mounting 23 at the lower part of the front wall 24 of the chamber I4. The hinge 23 may be formed by rolling the end edges of the adjacent wall portions 24 and IE to form a greaseproof hinge. In the normal closed position of the door the shelf I4 and the wall portion I6 engage respective sets of stop angles 21 on the respective side walls II. A suitable hook 26 is secured centrally of the wall 24 at the upper edge thereof for engagement by the curved forward edge Maof the shelf I4 in the open position of the door unit as shown in dotted lines in Figure 2.

From the above description it will be seen that by raising the door unit comprising the shelf I4 and the wall section I6 from the angle stops 21 against which they normally rest and latching the door unit in open position as shown in phantom lines in Figure 2, the entire interior surface of the passage I'I including the surfaces of the bafiles 2| and 2'2, the interior of the trough [3, etc. are completely accessible for cleaning to remove any grease which may have been deposited on the walls or which has drained into the trough I3.

As shown in Figure 2, the bafile 2| clears the forward wall of the trough I3 upon movement of the door unit between its closed and open positions. Figure 4 shows a modified baflle construction having a resilient edge or extension 2 la of suitable synthetic rubber which overlaps vertically the forward wall of the trough I3 to form an air block when the trough becomes too full of grease. The extension 2| a yields in passing the forward wall of the trough durin movement of the door unit.

While I have shown and described a preferred embodiment of the invention, it will be understood that the invention is capable of jva'riation and modification from the form shown so that its scope should be limited only by the scope of the claims appended hereto.

1. A ventilator attachment for a range including a frame structure having a back wall extending upwardly from the rear ofthe cooking surface of the range and respective side plates -extending forwardly from the back wall, a shelf mounted on said frame between said side plates and above the cooking surface, a grease trough extending alon said back wall and located below said shelf to form aslottherebetween, a transverse wall section connected to and extending upwardly from, said shelf to form therewith 'a door unit, means including said frame structure and said wall section forming a passageway lead:

ing from said slot between said shelf and said trough and extending upwardly through said structure for exhaust of fumes and gases a depending bafile supported by said door unit and extending into said passagewayand toward said trough, and pivot means supporting saiddoor unit adjacent an edge thereof for swinging movemerit thereof between its normal closed position and an open position providing access "to said passageway, said trough and said bafile for inspection and cleaning, the location of said pivot with respect to said baille and said trough pro- Viding a path of movement of said baffleto clear 4 said trough during said swinging movement of said door unit.

2. A ventilator attachment for a range including a frame structure for encompassing the rearand sides of the cooking surface of a range and including a horizontal shelf adjacent the front of the structure and extending between the sides thereof, a grease trough mounted on said structure below said shelf, a wall section extending between the sides of said structure and connected to said shelf, said shelf and said wall section being movably mounted on said structure as a cleaning door unit, means including said structure and said wall section forming a passa way through said structure, means including said shelf and said trough providing an inlet slot for said passageway, and a baflle on said door unit projecting into said passageway and downwardly toward said trough.

VICTOR F. MUSANTE.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 120,439 House Oct. 31, 1871 217,353 Erdman July 8, 1879 370,228 Abendroth Sept. 20, 1887 607,976 Amos July 26, 1898 916,699 Hahn Mar. 30, 1909 r 1,174,851 Gloekler'et a1. Mar. 7, 1916 1,801,640 Reedy Apr. 21, 1931 2,081,640 Petersen May 25, 1937 2,369,375 Sonntag Feb. 13, 1945 2392,0381 Gaylord Jan. 1, 1946 2,481,341 Pledger Sept. 6, 1949

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