US2663787A

US2663787A - Heating device

Info

Publication number: US2663787A
Application number: US272174A
Authority: US
Inventors: Carl Z Alexander
Original assignee: Individual
Current assignee: Individual
Priority date: 1952-02-18
Filing date: 1952-02-18
Publication date: 1953-12-22
Anticipated expiration: 1970-12-22

Description

Dec. 22, 1953 c. z. ALEXANDER HEATING DEVICE 2 Sheets-Sheet 1 Filed Feb. 18, 1952 5 Q Y mm M M m WM 7 If A l- A M z a Dec. 22, 1953 c. z. ALEXANDER HEATING DEVICE 2 Sheets-Sheet 2 Filed Feb. 18, 1952 INVENTOR.

5 v e E M M N 0 m Mw E A p Aw m c Patented Dec. 22, 1953 UNITED STATES PATENT OFFICE HEATING DEVICE Carl Z. Alexander, Chatham, NJ.

Application February 18, 1952, Serial No. 272,174

4 Claims. I

This invention relates to improvements in heating devices and more particularly to improvements in domestic hot water heating devices.

It is an object of the instant invention to. provide a. domestic hot water heating device in which the hot water is circulated throughout the system by other than pumps or the natural tendency of hot water to rise and cold water to fall.

A further object. is to. provide a domestic hot water device simple to operate and readily serviced.

Another object is to decrease capital investment in hot water heating systems Other objects of the instant invention will become apparent in the course of the following specification.

In the attainment of the aforesaid objectives, subject heating device or unit is. constituted of a hollow inner chamber with open bottom and dome-shaped top. An outlet is made at the apex of the dome-shaped top and a portion of the rim adjacent the open bottom is removed to form an. inlet. A hollow outer chamber with open bottom is inserted in spaced relationship over the inner chamber. In the top. of the outer chamber is an outlet aligned with the outlet of the inner chamber while a return inlet is formed in the outer chamber adjacent the open bottom. A nipple is. inserted in the outlet or the inner chamber and extended through the aligned out-v let. of the outer chamber but in spaced relationship therewith. The outlet of the outer chamber isconnected by a pipe line, through a radiator system, to the return inlet thereof. Both chambets. are mounted on a common base in which is formed a water supply inlet leading into the hollow interior of the inner chamber. An electrical heating-unit is inserted in the inner chamber and the entire system filled with water through the water supply inlet. The heating unit raises the; temperature of the water in the inner chainher to a point where it is expelled by thermo syphonic action through the outlet to replace the. water in the; radiator system at a lower temperature with water at a higher temperature. The; r pl c d water is returned to the outer chamber through the return inlet and thence flows through the removed portion of the rim of the inner chamber to the interior thereof for a repetition of the cycle. Where the heat requirementisgreater than the output of one unit, several' units are connected in parallel.

This invention will appear more clearly from the following detailed description when taken 2 in conjunction with the, accompanyingdrawings showing by way of illustration the preferred embodiments of the inventive concept.

In the drawings:

Figure 1 is a plan view of the thermo-syphonic heating device or unit constructed in accordance with the principles of this invention;

Figure 2 is a sectional view along 2-2 of Figure l; and

Figure 3 is a schematic view of a plurality of the thcrmo-syphonic heating devices or units shown in Figure 1 connected in parallel with the radiators of a heat distributing system.

Referring now in greater detail to the drawings where like reference numerals indicatev like parts, reference numeral HI indicates one of the heating devices or units.

Each device or unit In is constituted in part of an inner chamber H and a coasting outer chamber I 2'.

Each inner chamber H is a hollow body of substantially rectangular form with open bottom and a dome-shaped top or cover [3. The rectangular body is formed with a set of spaced parallel side members l4 and t5 and the spaced parallel end members l6 and H, said members being secured along corresponding edges in a known manner. The dome-shaped top or cover I 3 maybeintegral'ly formed with the corresponding upper edges of the side and end members or otherwise secured thereto. Each side and end member is cut away or removed adjacent the open bottom and intermediate the end extremities of the member to form inlets, three of which are indicated by the reference numerals l8, l8, and 20 in Figure 2. The domed-shaped top or cover l3 has an outlet 2| formed therein at the apex.

side members may have the outwardly directed and integrally formed protuberanoes, 22, 23, 24, and-25 formed thereon as an aid in properly positioning or even holding the inner chamher in thev outer chamber as later shown.

Each outer chamber I 2 is also a hollow body of substantially rectangular form with open bottom and a second dome-shaped top or cover 26 (Fig. 2 The rectangular outer chamber is formed with a second set oi spaced parallel side members '2! and 2.8 and spaced

parallel end members

29 and 30, the members being integrally formed along corresponding edges or otherwise suitably attached. The second dome-shaped top or cover 26' is attached along the upper edges of the side and end members in a known and suitable manner. In order that the outer chamber canbe inserted over the inner chamber in spaced arrangement therewith, the height and length of the side and end members of the outer chamber is made greater than the dimensions of the corresponding members of the inner chamber., The dome-shaped top or cover 26 has an outlet 3! aligned with and of greater diameter than the outlet 2! of the aforementioned inner chamber and the side member 30 (Fig. 2) has a return inlet 32 made therein which inlet is adjacent the open bottom of the outer chamber.

A nipple 33 (Fig. 2) is attached in the outlet 21 of the inner chamber and extended upwardly through the aligned opening 3! of the outer chamber and in which it is in spaced or concentric arrangement,

Supporting the open bottoms of the inner and outer chambers is a base membersd. Any suitable means (not shown) may be used for securing the inner chamber to the base member or the inner chamber may be secured in the outer chamber as previously mentioned. In any event, the outer chamber is attached to the base member with the like bolts 35 or other suitable fasteners. In the base member 34 and communicating with the hollow interior of the inner chamber is a water supply inlet 36.

Inserted in the inner chamber is is an electrical heating unit 37 of known type.

Around the outer chamber !2 is a heat insulating shell and securing the insulating material 38 of the shell in place is any suitable closure 39 as illustrated in Figure 2.

The outlet 31 of the outer chamber is connected in the usual manner by a pipe line to a series of radiators schematically shown in the upper part of Figure 3, with the return from the last radiator connected to the return inlet 32 (Fig. 2) of the outer chamber I2.

For the production and distribution of heat beyond the capacity of any single unit, a plurality of units H! (Fig. 3) are used with the outlets 3| of each outer chamber connected in parallel to a pipe line 65 (Fig. 3) which conducts the hot water through the radiator system (R) illustrated and then returns the cooled water through a pipe line 4! for parallel distribution to the outer chamber of each unit through the return inlet thereof.

In the introduction of a water supply into the chamber or chambers and correlated heat distribution system, an expansion tank 42 is connected at one end of a pipe line 43 which also introduces water into the inner chamber of each unit through the water supply inlet 36 thereof by the similar branch pipes 44 connected in parallel to the pipe line 43.

In operationr Y 1 'With thechambersand heat distribution system filled with water and the electrical'heating unit 3! turned on, the water in the inner chamber I I will become heated until expelled under pressure through the outlet 2!, thence through the nipple 33 to force water in the pipe line to the radiators and away from the unit. Theexpelled water in the inner chamber will then be replaced by water at a relatively low temperature returning. through the return inlet 32, and thence into the inner chamber i l for a repetition of the cycle. Bycentering the nipple 33 in the pipe line, the expelled heated water out of the nipple will tend to draw the water between the chambers upwardly into the pipe line to decrease the pressure on the water in the outer chamber and to facilitate the return of the cooled water to the unit.

It would be possible to connect the outlet of one unit with the return inlet of the successive unit in order to preheat the water prior to being circulated in the heating system. Thus, it will be understood that certain features and subcombinations are of utility too, and may be employed without reference to other features and sub-combinations. This is contemplated by and is within the scope of the appended claims. It is further obvious that various changes may be made in details within the scope of the claims without departing from the spirit of the invention. Hence, it is to be understood that subject invention is not to be limited to the specific details shown and described.

Whatis claimed is:

l. A thermo-syphonic heating device comprising an inner chamber, said inner chamber having formed therein at least one outlet and one inlet port, an outer chamber disposed substantially around said inner chamber and in spaced relationship therewith, said outer chamber having formed therein a return inlet port and an outlet port, the outlet port of said outer chamber being aligned with and having a greater cross sectional area than the outlet port of said inner chamber, a heat distributing pipe line interconnecting the outlet and return inlet ports of said outer chamber, a nipple disposed in the outlet port of said inner chamber and protruding through the aligned outlet port of said outer chamber and into said ipe line in spaced relationship with the inner surface thereof, a heat ing unit disposed in said inner chamber, means for introducing water into said chambers and said pipe line, and an expansion chamber coacting with said means for introducing water.

2. A thermo-syphonic heating device comprising an inner chamber, said inner chamber comprising a set of spaced parallel side and. end members secured along corresponding edges and an open bottom and a dome-shaped cover member disposed over the corresponding edges of said side and end members, said cover member having formed therein an outlet port substantially at the apex and the bottom edge of at least one of said spaced parallel members being cut away intermediate the end extremities thereof; the heating device further comprising an outer chamber coacting with the inner chamber, said outer chamber comprising a second set of spaced parallel side and end members secured along corresponding edges and an open bottom, a sec- 0nd dome-shaped cover member disposed over said second set of corresponding edgesoi said second set of side and end members, said sec-' ond mentioned cover member having formed therein a second outlet port of greater diameter than said first mentioned outlet port, said 'sec-f ond set of side and end membersihavingia height and length greater than that of the cor-'- responding members of said inner chamber, at least one of said second set of parallel members having a return inlet formed therein, means for removably securing said inner chamber in the outer chamber with the first and second men' tioned outlet ports substantially aligned and the side and end and cover members of said cham bers in spaced relationship and the open bottoms in the same plane, a common basemember for the open bottoms of said chambers, said base member having a water supply inlet formed therein, means ior securing the open bottom of said outer chamber to said base member with the open bottom of said inner chamber over the water supply inlet, a pipe line interconnecting the outlet port and return inlet of said outer chamber, a nipple disposed in the outlet port of said inner chamber and extending through the aligned outlet port of said outer chamber in spaced relationship with said pipe line, a heating unit disposed in said inner chamber, and means for introducing water into said chambers and pipe line through the water supply inlet.

3. A thermo-syphonic heating device comprising a base member of substantially rectangular form, said base member having a water supply inlet formed therein, a hollow inner chamber with open bottom and closed top disposed over the opening in said base member, the longitudinal cross sectional area of said inner chamber being of substantially rectangular form and having an area less than that of said base member, said edges of said inner chamber adjacent said base member being partially removed. and said closed top of said inner chamber having an outlet port formed therein, the device further comprising an outer chamber with open bottom and closed top disposed on said base member over and in spaced relationship with said inner chamber, the closed top of said outer chamber having formed therein an outlet port of greater diameter than and aligned with the outlet port of said inner chamber, said outer chamber further having a return inlet formed therein adjacent said base member, a pipe line interconnecting the outlet port and return inlet of said outer chamber, a nipple disposed in the outlet port of said inner chamber and protruding through the outlet port of said outer chamber and into said pipe lin in spaced relationship with the inner surface thereof, an electrical heating unit disposed in said inner chamber, a Water supply for said chambers and pipe line, means for connecting said water supply to the water supply inlet port in said base member, and means for heat insulating the outer surface of said outer chamber.

4. A thermo-syphonic heating unit comprising a base member, said base member having a plurality of spaced water supply inlet ports formed therein, a heating unit coacting with each inlet port, each heating unit comprising coacting inner and outer hollow chambers, said chambers having open bottoms and closed tops, the open bottom of each inner chamber being over one of the Water supply inlet ports and a portion of the edge of each inner chamber adjacent the base member being removed, the closed top of each inner chamber having an outlet port formed therein, each outer chamber being disposed over one of said inner chambers and on the base member and in spaced relationship with said inner chamber, the closed top of each outer chamber having formed therein an outlet port of greater diameter than and aligned with the outlet port of the coacting inner chamber, the outer cham-- ber further having formed therein a return inlet port adjacent the base member, a nippl disposed in the outlet port of each inner chamber and protruding substantially through and in spaced relationship with the outlet port of the coacting outer chamber, a pipe line interconnecting the outlet port of each outer chamber in parallel with the inlet port of each outer chamber, means for introducing water into each of the coacting chambers through the water supply inlet port thereof, an expansion tank coacting with said means for introducing water into each of the coacting chambers, and an electrical heating unit disposed in each inner chamber.

CARL Z. ALEXANDER.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 393,142 Burton July 14, 1908 1,509,810 MacIndoe Sept. 23, 1924 1,654,396 Abbott Dec. 27, 1927 1,715,520 Shuman June 4, 1929 1,852,252 McIntosh Apr. 5, 1932