US 2528844 A
Description (OCR text may contain errors)
Npv'. 7, 1950 R. B. ROBERTSON xncam VENTILAVTOR Filed Sept. 8', 1947 Roy B ROBERTSON INVENTOR BY M TTORNEY Patented Nov. 7, 1950 UNITED STATES TENT OFFICE 1 Claim.
This invention relates to ventilators and has reference to a hood for venting grease laden vapors, smoke, and heat from a kitchen range or stove.
An object of the invention is to provide a ventilator of the referred to class which may be operated without the use of a fan when desired, as in the wintertime.
Another object of the invention, and in additlon to the foregoing object, is the provision of an arrangement and construction whereby a large portion of the grease laden vapors bypass the fan or blower and thereby greatly eliminating the deposits of grease on the latter.
A further object of the invention is to provide, in combination with a Vented hood of the described class having a fan or motor generally protected from the accumulation of grease, a grease pan which is easily accessible for cleaning the same and for adjusting or cleaning the motor and fan, when desired.
These and other objects of the invention will become apparent from the following description of the accompanying drawing, wherein:
Figure 1 is a lateral vertical sectional View of an exemplary form of the invention and particularly showing the relation between the hood, the fan or blower outlet, and the grease collecting drip pan.
Figure 2 is a vertical sectional view of the ventilator taken at a right angle with respect to Figure 1.
Figure 3 is an enlarged vertical sectional view of the fan or blower and the outlet arrangement for propelling part of the grease laden vapors outwardly of the hood without passing through the fan or blower.
Figure 4 is a, partial plan view of Figure 3 showing the suspension of the fan outlet within the hood outlet.
The form of the invention illustrated includes a hood I which is supported over a kitchen range or stove (not shown) and may be provided with a Beneath the partitions I3 and hinged to the hood back 6 there is a drip pan I5 having upwardly turned flanges it around all of its sides. By securing the pan supporting hinge IT to the bottom of the said pan and to the hood wall 3, the foregoing referred to pan flange I6 may be made continuous. However, arcuate notches I8 are formed in the side partitions I3 at their lower edges and adjacent the hood back 6.
As shown in Figures 1 and 2, the pan 15 is larger than the arrangement of the partitions i3, thus providing means for catching accumulated grease which may drip from the said partitions. Wing nuts and bolts I9 are provided in the lower edge of the forward partition I3 for supporting the drip pan I5, yet providing for hinged movement for the latter so as to make the same accessible for cleaning and for reaching the blower II] when desired.
The foregoing description is not restrictive but may be varied in many ways within the scope of the appended claim.
What is claimed is:
A ventilator hood of the described class and including a, substantially horizontal top, a flanged llllg positioned within said top and forming an outlet therefore, a blower including a tubular discharge supported beneath said top and having said discharge end positioned in, and spaced from the inner periphery of said ring, partitions having holes therethrough secured to the lower surface of said hood and positioned around said blower, and a drip pan larger than the horizontal area defined by said partitions and detachably secured to the lower edges of the latter.
ROY B. ROBERTSON.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS fluorescent light 2 within its forward skirt 9. In Number Name Date addition to the forward skirt, the hood I includes 1,267,808 Self May 28, 1918 a top 4, side skirts 5 and a back 6. The top 4 is 1,671,524 Gerdes May 29, 1928 provided with a flanged outlet I adapted to fit 1,802,617 Mullin Apr. 28, 1931 a vent pipe 8. 1,860,068 Bassler May 24, 1932 Within the hood I and beneath the outlet I, 1,922,070 Anderson Aug. 15, 1933 there is an electric blower type fan It having 2,077,496 Sonntag Apr. 20, 1937 its outlet II concentrically disposed within the 2,226,641 Sonntag Dec. 31, 1940 hood outlet and supported by brackets I2, as par- 2,369,375 Sonntag Feb. 13, 1945 ticularly shown in Figure 4.
The blower I0 is enclosed on three sides by FQREIGN PATENTS partitions I3 and the back edges 6 of the hood I. Number Country Date AS ShOWn in Figures 1 and 2, the partitions 13 2 4 Great Britain Mar 3 192 are provided with openings I4 to allow air Within the hood I to reach the hood outlet 1.