US 1945815 A
Description (OCR text may contain errors)
1934- J. D. LANDERMAN v ELECTRIC STEAM RADIATOR Filed March 26, 1932 2 Sheets-Sheet 1 f wgm 1934- J. D. LANDERMAN ELECTRIC STEAM RADIATOR Filed March 26, 1952 2 Sheets-Shegt 2 4 144% aiteu 'iigy 7 plication,
Patented Feb. 6, 193:!
ELECTRIC STEAM RADIATOR John D.
Landerman, Brookline, Mass, assignor to Electric Steam Heating Corporation, a corporation of Massachusetts Application March 26, 1932. Serial No. 601,334 1 Claim. (Cl. 219-38) My present invention relates to portable steam generating radiators for heating purposes, and particularly to the steam generating construction by the utilization of a removable and renewable electric heating element.
My present application and my companion ap- Serial No. 456,601 filed May 28, 1930 is based upon my prior and abandoned application, No. 200,652, filed June 22, 1927.
The invention will be best understood from the following description when read in the light of the accompanying drawings showing a specific embodiment of the invention selected for illustrative purposes, while the scope of the invention will be more particularly pointed out in the appended claim.
In the drawings,
Fig. 1 is an isometric view of an assembled radiator constructed according to my invention;
Fig. 2 is a longitudinal section of the radiator constructed according to Fig. 1, and
Figs. 3 and 4 respectively are sections on the lines 3-3 and 4--4 of Fig. 2.
Referring to the drawings, the radiator comprises a cabinet which, as herein illustrated, comprises a front wall formed with the foraminous panels 1 and 3 suitably constructed to permit the passage of air therethrough. As shown, the cabinet has the perforate top 5, walls 7, and back wall 9.
As shown, the cabinet, which may be constructed of any suitable material, preferably metal, is supported on legs 11 having casters 12, the latter permitting the device readily to be moved from place to place.
Herein the bottom of the cabinet is open, while interiorly of the cabinet, adjacent the bottom, are arranged plates 15 which converge upwardly and form the lower section of a flue. The intermediate section 1'7 of the flue is herein rectangular and coincides with the upper section of the-flue which comprises the sheets 19 and 21, the sheet 19 being inclined to contact with the front of the cabinet adjacent the lower edge of the foraminous panel 3 which forms the top opening for the flue, while the plate 21 is bent laterally, as indicated at 23, and extends to adjacent the front wall of the cabinet in spaced relation to the top wall 5; As shown, the plate 23 adjacent the front of the cabinet is bent to form a gutter 25 for catching dust which otherwise would discharge from the flue.
As shown, the lowermost portion of the cabinet contains a steam generator herein comprising a flattened container 2'7 having the filling orifice 29 by means of which a liquid may be entered into the container to the lever 31, after which the orifice may be closed by the cap or plug 33. Interiorly, the container below the water level 31 has positioned therein an electric heating element 35 which may be of the resistance type, conductors 3'7 leading from said heat resisting element to a switch 39 and terminal 41, to the latter of which may be attached the flexible cable 43 having the plug 45 for attachment in a known 5 manner to a wall socket.
As shown, one end of the container is provided with a steam-dome 4'7 from which leads a steam pipe 49 to a header 51. In communication with the header 51 is a pair of parallel pipes 53 which extend longitudinally of the intermediate section 1'7 of the flue and communicate at the other end of said section with a header 55, the pipes 53 preferably being slightly inclined so as to facilitate drainage of condensed steam back to the generator. As shown, the header 55 is provided with an air relief valve 5'7 and the header 51 with a pressure relief valve 59, the latter for preventing an excess of steam pressure in the system.
As shown, the flue section 1'7 is provided with a plurality of vertically arranged corrugated plates 61 which are positioned closely together so as to divide the flue at the intermediate portion thereof into a plurality of narrow channels. The pipes 53 extend through perforations in the plates 61 and thereby support said plates, the latter of which provide large heating surfaces for radiating the heat of the steam in said pipes.
As illustrated, between the top wall 5 of the cabinet and the transverse portion 23 of the plate 21 is positioned a shallow pan 63 for containing water, which water will be evaporated by the heat imparted thereto from the flue and will keep the top wall 5 of the cabinet cool by insulating said top wall from the flue. Conveniently, the top wall 5 of the cabinet may be removable by allowing it to rest upon the flanges 65 at the top of the vertical walls of the cabinet, this removable top permitting the water in the pan to be replenished from time to time. As shown, the vertical walls of the cabinet adjacent the top are provided with perforations 6'7 permitting the escape of water vapors from the pan to the atmosphere.
As shown, the plates 19 and 21, defining the front and back of the upper portion of the flue, are spaced from the front and back walls of the cabinet, which construction prevents said walls from becoming unduly heated, and for preventing dissipation of heat through the back of the cabinet and the top thereof. it. sheet 69 of insulating material may be positioned adjacent the back of the upper and intermediateportions of In addition to, or in place of, current contro1- ling means or switch 39, I may apply an auto matic switch controlled by a thermostat, as iridicated at 75. While it is customary to utilize a thermostat afiixed to the room in which the radiator may be placed, yet as my present in vention is a portable radiator capable of being readily transferred from room. to room, it is more desirable to have the thermostat affixed thereto, thus making the some with complete