US160050A

US160050A - Improvement in refrigerators

Info

Publication number: US160050A
Authority: US
Publication date: 1875-02-23
Anticipated expiration: 1892-02-23

Description

UNTTED STATESl PATENT OFFICE.

JAMES c. CLARK, or soUTH BEND, INDIANA.

IMPRovEMi-:N'r iN REFR|GERAToRs-` Specification forming part of Letters Patent No. 160,050, dated February 23, 1875; application filed December 14, 1874.

To all lwhom it may concern Be it known that I, JAMES G. CLARK, of South Bend, in the county of St. Joseph and State of Indiana, have invented an Improvement in Ice-Boxes or Refrigerators, of which the following is a specification:

My invention relatesto the class of refrigerators where the ice-box is placed at or near the top of the refrigerator, and where it is the design to obtain a circulation of the air confined to the interior of the refrigerator without communication with the exterior air. My invention consists in a particular construction and arrangement of such refrigerators by which the warm air contained therein is separated and kept from contact with the cold air 5 and whereby the moisture contained in the warm air is condensed Without being brought in immediate contact with the ice.

Figure lis a vertical longitudinal section of the refrigerator, taken on the line m x of Fig. 2. Fig. 2 is a vertical cross-section of Fig. 1, taken on the line y y of Fig. l.

The ice-box is placed at or near the top of the refrigerator, and is provided with a false bottom of corrugated zinc, z. The top of the ice-box consists of a condenser, 0, made ot'zinc, or other suitable metallic condenser, and may be attached to and lift with the top or lid ofthe refrigerator, suffi cient space being left between the lid and condenser for the passage of the warm air from the ue G to the upper side of the condenser, as shown in Fig. 2. Near the bottom of the ice-box are openings D D for' the passage of the cold' air from the ice-box into the preserving-chambers. The bottom of the ice-box is arranged in inclined planes, as

shown at c c in Fig. 1. The warm-air flue C is placed at the back of the refrigerator, behind the icebcx, and brings the warm air in direct contact with the upper side of the condenser, as shown in Fig. 2. The walls or sides of the refrigerator are constructed with vacuums I. The walls forming the vacuums are lined with paper, as shown at m in the drawings, which acts as a non-conductor. The arrows show the course of the air as it circulates through the refrigerator. The course of the cold air is seen in Fig. l as it issues from the ice-box at the openings D D, and descends to the bottom of the preserving-chamber, displacing the air of a higher degree of temperature, which ascends to the bottom of the icebox of the inclined planes c c, which serve to separate thewarm and cold air, and passes thence to the warm -air flue, which conducts it to the condenser, where it is condensed. Thus a continuous circulation of air is kept up and the preservingY chamber kept dry. K denotes a small water-conductor, running from the ice-chamber A between the chambers B B, and connecting with the tray H.

What .I claim, and desire to secure by Letters Patent, is-

rlhe ice-box A, having its bottom arranged in incline planes, and provided with a condenser, o, and iiues D, in combination with the preserving-chambers B and warm-air flue G, as shown and described, for the purposes specified.

JAS. C. CLARK. Attest:

J. F. KIRBY, W. H. HANFoRD.