US2065789A - Water circulating means - Google Patents

Water circulating means Download PDF

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US2065789A
US2065789A US60812A US6081236A US2065789A US 2065789 A US2065789 A US 2065789A US 60812 A US60812 A US 60812A US 6081236 A US6081236 A US 6081236A US 2065789 A US2065789 A US 2065789A
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axis
branch
water
fitting
main
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US60812A
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Raymon C Bolsinger
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JOHN WOOD MANUFACTURING COMPANY Inc
WOOD JOHN Manufacturing CO Inc
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WOOD JOHN Manufacturing CO Inc
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0004—In a one pipe system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted

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  • This invention relates to systems for circulating hot water to heat radiators, particularly of the one-pipe type, to wit, wherein wateris de-' livered to and returned from the radiators through a single main.
  • the essential feature of my invention is a pipe fitting which is a single casting including a cylindrical body with four openingaeach having an internal screw thread of pipe taper, as shown in Figs. 11 and III.
  • Said body is connected at its opposite ends in coaxial relation with adjoining sections of the main of the system and having a T branch intermediate of its length with a baiiie flange extending inwardly therefrom obliquely with respect to the axis of said body and toward the inlet end thereof so as to divert a portion of the water supplied to said fitting outwardly through said T branch to supply a radiator.
  • Said body has in a plane at right angles to the axis of said T branch a Y-branch to whichthe return pipe from said radiator is connected.
  • the axis of that Y-branch is inclined with respect to the axis of said body so that the axis of that branch converges toward the axis of the body in the direction of the travel of the water through the body from the main'to supply other radiators in the system and with a Venturi effect upon the water 50 from the radiator supplied from the same fitting.
  • III is that it compels the cooler water returning from the radiator to enter the fitting at the bottom thereof, so that it does not interfere with the upward flow of the hot water from the top of the fitting and causes the return water to flow into the main at such an angle to the axis of the fitting as to merge with the stream of water passing through said main I, not only without causing an eddy, which it would do if the inlet 1 were at right angles to the axis of the fitting, but also with a suction effect at said inlet, induced by the flow of the water through said fitting, below said flange 4.
  • My invention includes the various novel features of construction and arrangement hereinafter more definitely specified.
  • Fig. I shows a one-pipe hot water system embodying my invention in connection with a single radiator.
  • Fig. II is a side elevation, partly in section, and on a larger scale, showing the fitting indicated in Fig. I.
  • Fig. III is a diametrical sectional view of said fitting taken on the line Ill, III, in Fig. II, in the direction of the arrows on said line.
  • the axis of that Y-branch l is inclined with respect to the axis of said body 2 so as to converge toward the axis of the body in the direction of the travel of the water through said body to supply other radiators in the system, and a Venturi effect upon the water returning from the radiator through said pipe 8 is such as to facilitate the fiow of the; return water back through said Y-branch 1 into said body 2 and main I.
  • T branch 3 and Y-branch l may be otherwise disposed as may be found convenient.
  • pipe fittings embodying the essential features of my invention as above described may be used in any system of piping in which it is desired to shunt water away from and back to the main in which the cylindrical portion of the body is included. That is to say, I do not desire to restrict the application of my invention to the purpose of directing'water to and from a radiator.
  • a fitting formed of a single casting having a tubular body portion, with axially alined internal screw threads at respectively opposite ends thereof connected between successive sections of said main I and having a laterally projecting outlet branch with an internal screw thread and a baffie member extending inwardly obliquely with respect to the axis of said body portion and toward the inlet end thereof for diverting a portion of the water supplied to said fitting outwardly through said branch; a radiator connected with said branch, by a pipe in direct engagement with the internal screw thread of said branch; another laterally extending branch on said body with its axis tangential to the axis of said first branch and ofiset with respect to the axis of said body,
  • a radiator connected with said branch by a pipe in direct engagement with the internal screw thread of said branch; another laterally extending branch on said body with its, axis tangential to the axis of said first branch and ofiset with respect to the axis of said body, in a direction away from said outlet branch, and having an internal screw thread forming an inlet to which said radiator is connected, bya service elbow in direct engagement with the internal screw thread of said inlet, and a straight pipe extending with its axis parallel with said main and horizontally
  • a fitting formed of a single casting having a tubular body portion, with axially alined internal screw connected between successive sections of said main and having a laterally projecting outlet branch with an internal screw thread and a batfie member extending inwardly obliquely with respect to the axis of said body portion and toward the inlet end thereof for diverting a portion of the water supplied to said fitting outwardly through said branch;
  • a radiator connected with said branch by a pipe in direct engagement with the internal screw thread of said branch; another laterally extending branch on said body with its axis tangential to the axis of said first branch and offset with respect to the axis of said body, in a direction away from said outlet branch, and having an internal screw thread forming an inlet to which said radiator is connected by a service elbow; the axis of said inlet branch being in a.
  • a fitting formed of a single casting having a tubular body portion with axially alined internal screw threads at respectively opposite ends thereof connected in said main and having a laterally projecting outlet branch with an internal screw thread and a baffle member extending inwardly obliquely with respect to the axis of said body portion and toward the inlet end thereof for diverting a portion of the water supplied to said fitting outwardly through said branch; another laterally extending branch on said body with its axis tangential to the axis of said first branch and offset with respect to the axis of said body,
  • filemembem extending inwardly obliquely with inlet; the axis of said inlet branch being inclined with respect to the axis of said body so that said axes converge in the direction of the travel of the water through the body; whereby a Venturi effeet is had upon the water entering through said inlet to induce the flow thereof into said body and main.
  • a fitting formed of a single casting having a tubular body portion with axially alined internal screw threads at respectively opposite ends thereof connected in said main and having a laterally projecting outlet branch with an internal screw thread; another laterally extending branch on said body with its axis tangential to the axis of said first branch and offset with respect to the axis of said body, in a direction away from said outlet branch, and with an internal screw thread and forming an inlet; a battle member extending inwardly with respect to the axis of said body portion between said outlet and inlet for diverting a portionof the water supplied to said fitting outwardly through said outlet; the axis'of said inlet branch being inclined with respect to the axis of said body so that said axes converge in the direction of the travel of the water through the body; whereby a Venturi effect is had upon the water entering through said inlet to induce the fiow thereof into said body and main
  • conduit means forming a shunt circuit from said outlet to said inlet, including a straight pipe extending parallel with said main; a baiiie member extending inwardly with respect to the axis of said body portion between said outlet and inlet for diverting a portion of the water supplied to said fitting outwardly through said outlet and shunt circuit and back into said inlet.
  • a water circulating system the combination with a main; of a fitting formed of a single casting having a tubular body portion with axially alined internal screw threads at respectively opposite ends thereof connected in said main and having a laterally projecting outlet branch with an internal screw thread; another laterally extending branch on said body with an internalscrew thread and forming an inlet; the axis of said inlet branch being tangential to the axis of said outlet branch, transverse to the axis of said outlet branch and obliquely transverse to the axis of the fitting, and offset with respect to the fitting axis in a direction away from said outlet branch; conduitmeans forming a shunt circuit from said outlet to said inlet, including a straight pipe extending parallel with said main and horizontally spaced therefrom; a battle member extending inwardly with respect to the axis of said body portion between said outlet and inlet for diverting a portion of the water supplied to said fitting outwardly through said outlet and shunt circuit and back
  • the axis of said inlet branch being converged toward the axis of said body portion in the direction of the travel of the water through said body; whereby a Venturi effect is had upon the water entering through said inlet to induce the flow thereof into said body and main.
  • a pipe fitting for installation of radiators in a single pipe'system, by means of straight pipes consisting of a single casting having a tubular body portion with four openings each having an internal screw thread for engagement with said pipes and other fittings; two of said openings and their threads being axially alined at opposite ends of said body; the third opening and its thread being in a branch with its axis extending at right angles to the axis of said first two openings; the fourth opening and its thread having its axis at an angle of forty-five degrees to the axis of each of said first two openings, and offset in tangential relation to the axis ofsaid third opening, in a plane transverse to the latter axis and in a direction away from said third opening; whereby the return water entering said fourth opening is directed below the hot water in the upper-portion of said fitting and prevented frominterfering therewith and the formation of an eddy current in the fitting is prevented.
  • a pipe fitting for installation of radiators in a single pipe system by means of straight pipes; consisting of a single casting having a tubular body portion with four openings each having an internal screw thread for engagement with said pipes and other fittings; two of said openings and their threads being axially alined at opposite ends of said body; the third opening and its thread being in a branch with its axis extending at right angles to the axis of said first two openings; the fourth opening and its thread having its axis at an angle of iorty-five degrees to the axis of each of saidfirst two openings and in a plane offset with respect to the axis of said first two openings toward the side of said fitting opposite to that of said third opening, and offset in tangential relation to the axis of said third opening, in a plane at right angles to the latter axis; whereby the return water entering said fourth opening is directed below the hot water in the upper portion of said fitting and prevented from interfering therewith and the formation of an eddy current in the fitting
  • a radiator having a hot water inlet at one end and a return water outlet at the other end, in coaxial relation; of a supply main extending beneath said radiator with its axis parallel with the common axis of said inlet and outlet; a pipe fitting in said main comprising a single casting having a tubular body portion with four openings each having an internal screw thread; two of said openings and their threads being in coaxial relation at opposite ends of said body; the third opening and its thread being in a branch with its axis extending at right angles to the axis of said first two openings; the fourth opening and its thread having its axis at an angle of forty-five degrees to the axis of each of said first two openings and in a plane offset with respect to the axis of said first two openings toward the side of said fitting opposite to that of said third opening and offset in tangential relation to the axis of said-third opening, in a plane at an angle of 90 to the axis of the latter opening

Description

1936- R. c. BOLSINGER WATER CIRCULATING MEANS Original Filed wa 23, 1934 FIG. I
, sa a Karma/v C BOLSINGEB, er :W M Z Patented Dec. 29, 1936 UNITED STATES WATER CIRCULATING MEANS Raymon C. Bolsing'er, Collingswood, N. J., as-
signor to John Wood Manufacturing Company, Inc., Conshohocken, Pa., a corporation of Delaware Continuation of application Serial No. 727,078,
May 23, 1934. This 1936, Serial No. 60,812
11 Claims.
This is a continuation of my application Serial No. 727,078 filed May 23, 1934, for Letters Patent of the United States.
This invention relates to systems for circulating hot water to heat radiators, particularly of the one-pipe type, to wit, wherein wateris de-' livered to and returned from the radiators through a single main.
It is ordinary practice to allow a space of four feet of the extent of such a single main between the fitting through which the water is delivered to a radiator and the fitting through which the water is returned from that radiator to said main; such spacing being considered essential to secure the required circulation of the water through the radiators.
It is the purpose and effect of my invention to provide a single fitting for each radiator through which the water is supplied to the radiator and returned from the radiator to the single main aforesaid. The advantage of my improved construction and arrangement is two-fold, viz, first, it permits installation of such systems where systems requiring the four feet spacing aforesaid could not be installed; second, it reduces the cost of fittings to. the minimum per radiator.
As hereinafter described, the essential feature of my invention is a pipe fitting which is a single casting including a cylindrical body with four openingaeach having an internal screw thread of pipe taper, as shown in Figs. 11 and III. Said body is connected at its opposite ends in coaxial relation with adjoining sections of the main of the system and having a T branch intermediate of its length with a baiiie flange extending inwardly therefrom obliquely with respect to the axis of said body and toward the inlet end thereof so as to divert a portion of the water supplied to said fitting outwardly through said T branch to supply a radiator. Said body has in a plane at right angles to the axis of said T branch a Y-branch to whichthe return pipe from said radiator is connected. The axis of that Y-branch is inclined with respect to the axis of said body so that the axis of that branch converges toward the axis of the body in the direction of the travel of the water through the body from the main'to supply other radiators in the system and with a Venturi effect upon the water 50 from the radiator supplied from the same fitting.
That is to say, the fiow of the water from the main through said cylindrical body in the direction of the axis of the latter creates a partial vacuum at the junction of the Y-branch with said body to induce the flow of return water application January 25,
from said radiator back through said Y-branch back into said body and main. A further advantage of the return inlet 1 of the fitting being offset in a plane transverse to the fitting axis, as shown in Fig. II, and being tangential to the outlet 3, as shown in Fig. III, is that it compels the cooler water returning from the radiator to enter the fitting at the bottom thereof, so that it does not interfere with the upward flow of the hot water from the top of the fitting and causes the return water to flow into the main at such an angle to the axis of the fitting as to merge with the stream of water passing through said main I, not only without causing an eddy, which it would do if the inlet 1 were at right angles to the axis of the fitting, but also with a suction effect at said inlet, induced by the flow of the water through said fitting, below said flange 4.
My invention includes the various novel features of construction and arrangement hereinafter more definitely specified.
In said drawing, Fig. I shows a one-pipe hot water system embodying my invention in connection with a single radiator.
Fig. II is a side elevation, partly in section, and on a larger scale, showing the fitting indicated in Fig. I.
Fig. III is a diametrical sectional view of said fitting taken on the line Ill, III, in Fig. II, in the direction of the arrows on said line.
Referring to Fig. I water travels through the- The admain l in the direction of the arrows. joining sections of said main are connected in coaxial relation with the cylindrical body of the single fitting 2. Said fitting has the T branch 3 intermediate of its length with the bafiie flange 4 extending inwardly therefrom obliquely with respect to the axis of said body and toward the inlet end thereof so as to divert a portion of the straight return pipe 8 is connected to said branch minimized to that required for said main l with the advantage of avoiding the necessity for cutting timbers under floors, etc. The axis of that Y-branch l is inclined with respect to the axis of said body 2 so as to converge toward the axis of the body in the direction of the travel of the water through said body to supply other radiators in the system, and a Venturi effect upon the water returning from the radiator through said pipe 8 is such as to facilitate the fiow of the; return water back through said Y-branch 1 into said body 2 and main I.
Although I have found it convenient to dispose the T branch 3 and Y-branch l with their axes in planes at right angles to each other; they may be otherwise disposed as may be found convenient.
Moreover, pipe fittings embodying the essential features of my invention as above described may be used in any system of piping in which it is desired to shunt water away from and back to the main in which the cylindrical portion of the body is included. That is to say, I do not desire to restrict the application of my invention to the purpose of directing'water to and from a radiator.
Therefore, I do not desire to limit myself to the precise details of construction, arrangement, or method of operation herein setforth, as it is obvious that various modifications may be made therein without departing from the essential features of my invention, as defined in the appended claims.
I claim:
1. In a one-pipe water heating system, the combination with a single main; of a fitting formed of a single casting having a tubular body portion, with axially alined internal screw threads at respectively opposite ends thereof connected between successive sections of said main I and having a laterally projecting outlet branch with an internal screw thread and a baffie member extending inwardly obliquely with respect to the axis of said body portion and toward the inlet end thereof for diverting a portion of the water supplied to said fitting outwardly through said branch; a radiator connected with said branch, by a pipe in direct engagement with the internal screw thread of said branch; another laterally extending branch on said body with its axis tangential to the axis of said first branch and ofiset with respect to the axis of said body,
in a direction away from said outlet branch, and having an internal screw thread andforming an inlet to which said radiator is connected, by a service elbow in direct engagement with the in- .ternal screw thread of said inlet, and a straight pipe extending with ,its axis parallel with said main and horizontally spaced from said main; whereby the return conduit from said radiator may be assembled in a minimum amount of vertical space; the axis of said inlet branch being inclined with respect to the axis of said body so that said axes converge in the direction of the travel of the water through the body; whereby a Venturi effect is had upon the water returning through said inlet to induce the fiow of return water from said radiator into said body and main.
2. In a one-pipe water heating system, the combination with a single main; of a fitting formed of a single casting having a tubular body portion, with axially alined internal screw threads at respectively opposite ends thereof, connected between successive sections of said main and having a laterally projecting outlet branch with an internal screw thread and a bafaoesyao respect to the axis of said body portion and toward the inlet end thereof for diverting a portion of the water supplied to said fitting outwardly through said branch; a radiator connected with said branch by a pipe in direct engagement with the internal screw thread of said branch; another laterally extending branch on said body with its, axis tangential to the axis of said first branch and ofiset with respect to the axis of said body, in a direction away from said outlet branch, and having an internal screw thread forming an inlet to which said radiator is connected, bya service elbow in direct engagement with the internal screw thread of said inlet, and a straight pipe extending with its axis parallel with said main and horizontally spaced from said main; whereby the return conduit from said radiator may be assembled in a minimum amount of vertical space; the axis of said inlet branch being in a plane at right angles to the axis of said outlet, and inclined with respect to the axis of said body so that said axes converge in the direction of the travel of the water through the body; whereby a Venturi effect is had upon the water returning through said inlet to induce the flow of return water from said radiator into said body and main.
3. In a one-pipe water heating system, the combination with a single main; of a fitting formed of a single casting having a tubular body portion, with axially alined internal screw connected between successive sections of said main and having a laterally projecting outlet branch with an internal screw thread and a batfie member extending inwardly obliquely with respect to the axis of said body portion and toward the inlet end thereof for diverting a portion of the water supplied to said fitting outwardly through said branch; a radiator connected with said branch by a pipe in direct engagement with the internal screw thread of said branch; another laterally extending branch on said body with its axis tangential to the axis of said first branch and offset with respect to the axis of said body, in a direction away from said outlet branch, and having an internal screw thread forming an inlet to which said radiator is connected by a service elbow; the axis of said inlet branch being in a. plane transverse to the axis of said outlet, and inclined with respect to the axis of said body so that said axes converge in the direction of the travel of the water through the body; whereby a Venturi eifect is had upon the water returning through said inlet to induce the fiow of return water from said radiator into said body and main.
4. In a water circulating system, the combination with a single main for the hot and return water; of a fitting formed of a single casting having a tubular body portion with axially alined internal screw threads at respectively opposite ends thereof connected in said main and having a laterally projecting outlet branch with an internal screw thread and a baffle member extending inwardly obliquely with respect to the axis of said body portion and toward the inlet end thereof for diverting a portion of the water supplied to said fitting outwardly through said branch; another laterally extending branch on said body with its axis tangential to the axis of said first branch and offset with respect to the axis of said body,
filemembemextending inwardly obliquely with inlet; the axis of said inlet branch being inclined with respect to the axis of said body so that said axes converge in the direction of the travel of the water through the body; whereby a Venturi effeet is had upon the water entering through said inlet to induce the flow thereof into said body and main.
5. Ina water circulating system, the combination with a single main for the hot and return water; of a fitting formed of a single casting having a tubular body portion with axially alined internal screw threads at respectively opposite ends thereof connected in said main and having a laterally projecting outlet branch with an internal screw thread; another laterally extending branch on said body with its axis tangential to the axis of said first branch and offset with respect to the axis of said body, in a direction away from said outlet branch, and with an internal screw thread and forming an inlet; a battle member extending inwardly with respect to the axis of said body portion between said outlet and inlet for diverting a portionof the water supplied to said fitting outwardly through said outlet; the axis'of said inlet branch being inclined with respect to the axis of said body so that said axes converge in the direction of the travel of the water through the body; whereby a Venturi effect is had upon the water entering through said inlet to induce the fiow thereof into said body and main.
6. In a water circulating system, the combina- I tion with a main; of a-fltting formed of a single ting axis in a direction away from said outlet.
branch; conduit means forming a shunt circuit from said outlet to said inlet, including a straight pipe extending parallel with said main; a baiiie member extending inwardly with respect to the axis of said body portion between said outlet and inlet for diverting a portion of the water supplied to said fitting outwardly through said outlet and shunt circuit and back into said inlet.
7. In a water circulating system, the combination with a main; of a fitting formed of a single casting having a tubular body portion with axially alined internal screw threads at respectively opposite ends thereof connected in said main and having a laterally projecting outlet branch with an internal screw thread; another laterally extending branch on said body with an internalscrew thread and forming an inlet; the axis of said inlet branch being tangential to the axis of said outlet branch, transverse to the axis of said outlet branch and obliquely transverse to the axis of the fitting, and offset with respect to the fitting axis in a direction away from said outlet branch; conduitmeans forming a shunt circuit from said outlet to said inlet, including a straight pipe extending parallel with said main and horizontally spaced therefrom; a baiile member extending inwardly with respect to the axis of said body portion between said outlet and inlet for diverting a portion of the water supplied to said fitting outwardly through said outlet and shunt circuit and back into said inlet. the axis of said inlet branch being converged toward the axis of said body portion in the direction of the travel of the water through said body; whereby a Venturi effect is had upon the water entering through said inlet to induce the flow thereof into said body and main. 7
8. A pipe fitting formed of a single casting having a tubular body portion with internal screw threads at opposite ends thereof, in coaxial relation; a laterally projecting outlet branch on said body having an internal screw thread; another laterally extending branch on said body having an internal screw thread and forming an inlet; the axis of said inlet branch being tangential to the axis of said outlet branch and offset, in a direction away from said outlet branch, and converged toward the axis of said body at the discharge end of the latter; and a baiiie member extending inwardly with respect to the axis 'of said body between said outlet and inlet and being converged toward the axis of said body at the opposite end of the latter; whereby the formation of an eddy current in the fitting by the return water entering said inlet is prevented and the effective area of the passageway through said body is restricted between said outlet and inlet, with a Venturi effect upon the water entering through said inlet to induce the flow thereof into said body,
9. A pipe fitting for installation of radiators in a single pipe'system, by means of straight pipes; consisting of a single casting having a tubular body portion with four openings each having an internal screw thread for engagement with said pipes and other fittings; two of said openings and their threads being axially alined at opposite ends of said body; the third opening and its thread being in a branch with its axis extending at right angles to the axis of said first two openings; the fourth opening and its thread having its axis at an angle of forty-five degrees to the axis of each of said first two openings, and offset in tangential relation to the axis ofsaid third opening, in a plane transverse to the latter axis and in a direction away from said third opening; whereby the return water entering said fourth opening is directed below the hot water in the upper-portion of said fitting and prevented frominterfering therewith and the formation of an eddy current in the fitting is prevented.
10. A pipe fitting for installation of radiators in a single pipe system, by means of straight pipes; consisting of a single casting having a tubular body portion with four openings each having an internal screw thread for engagement with said pipes and other fittings; two of said openings and their threads being axially alined at opposite ends of said body; the third opening and its thread being in a branch with its axis extending at right angles to the axis of said first two openings; the fourth opening and its thread having its axis at an angle of iorty-five degrees to the axis of each of saidfirst two openings and in a plane offset with respect to the axis of said first two openings toward the side of said fitting opposite to that of said third opening, and offset in tangential relation to the axis of said third opening, in a plane at right angles to the latter axis; whereby the return water entering said fourth opening is directed below the hot water in the upper portion of said fitting and prevented from interfering therewith and the formation of an eddy current in the fitting is prevented.
11. In water circulating'means, the combination with a radiator having a hot water inlet at one end and a return water outlet at the other end, in coaxial relation; of a supply main extending beneath said radiator with its axis parallel with the common axis of said inlet and outlet; a pipe fitting in said main comprising a single casting having a tubular body portion with four openings each having an internal screw thread; two of said openings and their threads being in coaxial relation at opposite ends of said body; the third opening and its thread being in a branch with its axis extending at right angles to the axis of said first two openings; the fourth opening and its thread having its axis at an angle of forty-five degrees to the axis of each of said first two openings and in a plane offset with respect to the axis of said first two openings toward the side of said fitting opposite to that of said third opening and offset in tangential relation to the axis of said-third opening, in a plane at an angle of 90 to the axis of the latter opening; said fitting having a baflie flange extending obliquely inward in said fitting body between said third and fourth openings for deflecting water from said main through said third opening and in a position where it would cooperate with the oflset feature 'of said fourth opening in producing a Venturi efiect at said fourth opening for induction of water into said fourth opening by the passage of water through said main; a straight pipe extending substantially vertically from, said branch in communication with said radiator inlet; a service elbow connected with said fourth opening of said fitting and having the axis of its outer end extending parallel with said main; a straight pipe extending from said elbow parallel with said main and having an ordinary elbow at the end thereof; and a straight pipe extending from said ordinary elbow in communication with said radiator outlet; whereby hot water may be supplied from said main to'said radiator and return water discharged from said radiator and be induced to flow back into said main through said single fitting, below the hot water in said fitting, and interference of the return water with the outfiowing hot water and formation of any eddy current in the fitting prevented and the connections between said main and radiator may be assembled in a minimum amount of vertical space.
RAYMON C. BOLSINGER.
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US2479578A (en) * 1943-09-25 1949-08-23 Babcock & Wilcox Co Tubular structure
US2492757A (en) * 1945-07-26 1949-12-27 Carrier Corp Air-conditioning system
US2573430A (en) * 1947-03-14 1951-10-30 Jr Vincent Gentile Flow-measuring device
US2792181A (en) * 1949-08-16 1957-05-14 Cialente Innocenzo Circuits for thermal heating plants
US3068904A (en) * 1959-05-25 1962-12-18 Eugene L Moody Diversion t
US4811431A (en) * 1986-05-30 1989-03-14 Kraverath Robert G Universal tail piece for installation in a water waste line
US4882789A (en) * 1983-08-23 1989-11-28 Robert Kraverath Trap primer tail piece
US6056014A (en) * 1997-07-31 2000-05-02 Noriatsu Kojima Drainage collective pipe joint
US20040079428A1 (en) * 2000-12-14 2004-04-29 Houston Graeme J. Fluid flow in tubing
EP1882784A1 (en) * 2006-07-24 2008-01-30 Gebr. Kemper GmbH + Co. KG Metallwerke Connecting fitting
US20100294494A1 (en) * 2009-09-18 2010-11-25 Super Heaters North Dakota Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US20110123336A1 (en) * 2009-11-24 2011-05-26 Thorkil Munk-Hansen Arrangement with a nacelle and a radiator arrangement
US8905138B2 (en) 2012-05-23 2014-12-09 H2O Inferno, Llc System to heat water for hydraulic fracturing
US9328591B2 (en) 2012-08-23 2016-05-03 Enservco Corporation Air release assembly for use with providing heated water for well related activities
US9683428B2 (en) 2012-04-13 2017-06-20 Enservco Corporation System and method for providing heated water for well related activities
US10323200B2 (en) 2016-04-12 2019-06-18 Enservco Corporation System and method for providing separation of natural gas from oil and gas well fluids
US10458216B2 (en) 2009-09-18 2019-10-29 Heat On-The-Fly, Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
USD992701S1 (en) * 2021-05-31 2023-07-18 Jong Ho Lee Pipe connecting tube

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US2479578A (en) * 1943-09-25 1949-08-23 Babcock & Wilcox Co Tubular structure
US2492757A (en) * 1945-07-26 1949-12-27 Carrier Corp Air-conditioning system
US2573430A (en) * 1947-03-14 1951-10-30 Jr Vincent Gentile Flow-measuring device
US2792181A (en) * 1949-08-16 1957-05-14 Cialente Innocenzo Circuits for thermal heating plants
US3068904A (en) * 1959-05-25 1962-12-18 Eugene L Moody Diversion t
US4882789A (en) * 1983-08-23 1989-11-28 Robert Kraverath Trap primer tail piece
US4811431A (en) * 1986-05-30 1989-03-14 Kraverath Robert G Universal tail piece for installation in a water waste line
US6056014A (en) * 1997-07-31 2000-05-02 Noriatsu Kojima Drainage collective pipe joint
US20040079428A1 (en) * 2000-12-14 2004-04-29 Houston Graeme J. Fluid flow in tubing
US7114524B2 (en) * 2000-12-14 2006-10-03 Tayside Flow Technologies Limited Fluid flow in tubing
EP1882784A1 (en) * 2006-07-24 2008-01-30 Gebr. Kemper GmbH + Co. KG Metallwerke Connecting fitting
US8171993B2 (en) 2009-09-18 2012-05-08 Heat On-The-Fly, Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US9442498B2 (en) 2009-09-18 2016-09-13 Heat On-The-Fly L.L.C. Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US11187067B2 (en) 2009-09-18 2021-11-30 Heat On-The-Fly, Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US20100294494A1 (en) * 2009-09-18 2010-11-25 Super Heaters North Dakota Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US20120255735A1 (en) * 2009-09-18 2012-10-11 Heat On-The-Fly, Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US8739875B2 (en) * 2009-09-18 2014-06-03 Heat On-The-Fly, Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US10851631B2 (en) 2009-09-18 2020-12-01 Heat On-The-Fly, Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US10458216B2 (en) 2009-09-18 2019-10-29 Heat On-The-Fly, Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US9575495B2 (en) 2009-09-18 2017-02-21 Heat On-The-Fly, Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
WO2011034679A2 (en) 2009-09-18 2011-03-24 Super Heaters North Dakota Llc Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
US8920120B2 (en) * 2009-11-24 2014-12-30 Siemens Aktiengesellschaft Arrangement with a nacelle and a radiator arrangement
US20110123336A1 (en) * 2009-11-24 2011-05-26 Thorkil Munk-Hansen Arrangement with a nacelle and a radiator arrangement
US9683428B2 (en) 2012-04-13 2017-06-20 Enservco Corporation System and method for providing heated water for well related activities
US9863216B2 (en) 2012-05-23 2018-01-09 H2O Inferno, Llc System to heat water for hydraulic fracturing
US10024140B2 (en) 2012-05-23 2018-07-17 H2O Inferno, Llc System to heat water for hydraulic fracturing
US8905138B2 (en) 2012-05-23 2014-12-09 H2O Inferno, Llc System to heat water for hydraulic fracturing
US9328591B2 (en) 2012-08-23 2016-05-03 Enservco Corporation Air release assembly for use with providing heated water for well related activities
US10323200B2 (en) 2016-04-12 2019-06-18 Enservco Corporation System and method for providing separation of natural gas from oil and gas well fluids
USD992701S1 (en) * 2021-05-31 2023-07-18 Jong Ho Lee Pipe connecting tube

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