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A gas-liquid vortex separator-eliminator which is adapted to be connected in a closed liquid circulating system having supply and return lines including a circulating pump connected therein for circulating liquid in the circulating system. The upright main body of the devise has an upper chamber and

A gas-liquid vortex separator-eliminator which is adapted to be connected in a closed liquid circulating system having supply and return lines including a circulating pump connected therein for circulating liquid in the circulating system. The upright main body of the devise has an upper chamber and a lower chamber. The upper chamber and lower chambers are separated by a horizontal wall that has a gas discharge port in the center thereof. The inlet has a longitudinal axis which is generally perpendicular to the vertical axis of the upright main body. The inlet has a short pipe leg connected to the upper portion of lower chamber. The outlet has a longitudinal axis which is generally perpendicular to the vertical axis of the main body and which is generally parallel to the longitudinal axis of the inlet. The outlet is positioned in the lower portion of the chamber. When the separator-eliminator is in operation, liquid enters the inlet and exits through the outlet, the flow of the liquid in lower chamber producing a vortex whereby gas in the liquid is released in the form of bubbles. The liquid-exit outlet is located below where the bubbles form and/or where gas bubbles entrained in the liquid are carried by the vortex. The gas bubbles rise into the upper chamber and are purged into the atmosphere by means of the air eliminator.

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1. A gas-liquid vortex separator-eliminator which is adapted to be connected in a closed liquid circulating system having supply and return lines including a circulating pump connected therein for circulating liquid in said circulating system, comprising (a) an upright main body which has an upper c

1. A gas-liquid vortex separator-eliminator which is adapted to be connected in a closed liquid circulating system having supply and return lines including a circulating pump connected therein for circulating liquid in said circulating system, comprising (a) an upright main body which has an upper chamber (b) and a lower chamber (c), said upper chamber (b) and lower chamber (c) being separated by a horizontal wall (d) that has a gas discharge port (e) in the center thereof, (f) an inlet which has a longitudinal axis which is generally perpendicular to the vertical axis of said upright main body (a), said inlet (f) having a short pipe leg (g) connected to the upper portion of lower chamber (c), (h) an outlet, which has a longitudinal axis which is generally perpendicular to the vertical axis of main body (a) and is generally parallel to the longitudinal axis of inlet (f), said outlet (h) being positioned in the lower portion of said lower chamber (c), and (i) an air eliminator which is located in said upper chamber (b), when said separator-eliminator is in operation, liquid enters said inlet (f) and exits through said outlet (h), the flow of said liquid in lower chamber (c) producing a vortex whereby gas in said liquid is released in the form of bubbles, said liquid-exit outlet (h) being below where said bubbles form and/or where gas bubbles entrained in said liquid are carried by said vortex, said gas bubbles rising into said upper chamber (b) and being purged into the atmosphere by means of said air eliminator (i), said gas vent-eliminator (i) for automatically venting entrapped gas from a liquid system having a pilot valve-operated diaphragm valve means comprising a valve seat structure containing an upwardly facing rigid valve seat member having a central aperture communicating with the interior of said upper chamber (b), a pilot valve-operated flexible diaphragm valve member having a sealing surface which faces downward and sealing engages against said rigid valve seat member, said diaphragm valve member having a central aperture, a chamber located above said flexible diaphragm member, on the side of said flexible diaphragm member opposite said sealing surface, said chamber communicating with said central aperture of said diaphragm valve member, a retaining means to position and retain said flexible diaphragm member in said valve seat structure such that said sealing surface on said flexible diaphragm member is in contact with said rigid valve member, said retaining means having a central aperture which is aligned with and communicates with said central aperture of said diaphragm valve member, and a pilot valve pin slidably located in said central aperture of said diaphragm valve member, at least one passageway being located in the lower portion of said pilot valve pin, said lower passageway being located in the lower portion of said pilot valve pin, said lower passageway allowing communication between said cavity in said upper chamber (b) and said central aperture in said diaphragm valve member when said diaphragm valve member sealingly engages said valve seat member and not being in such communication position once said lower passageway has moved entirely within said central aperture of said diaphragm valve member or when such sealing engagement does not exist, said pilot valve pin allowing communication between said chamber and said air outlet when said sealing engagement does not exist, at least one passageway or indentation being located in the upper portion of said pilot valve pin, said upper passageway or indentation allowing communication between said chamber and said air outlet once said diaphragm valve member is not in the sealing position, said pilot valve-operated diaphragm valve means selectively opening and closing said air outlet, the air pressure within said upper chamber (b) being used to open and close said diaphragm valve means, and float means within said upper chamber (b) operatively connected to said pilot valve pin, said float means rising and falling as the water level in said upper chamber (b) rises and falls such that when said float means reaches a first predetermined lower position said pilot valve pin no longer allows communication between said chamber and said upper chamber (b), when said float means reaches a second predetermined lower position said pilot valve pin causes said diaphragm valve to open and vent air through said air outlet, via from a said central aperture of said rigid valve seat member to said air outlet, said upper passageway or indentation in the upper portion of said pilot valve pin being in a position which allows communication between said chamber and said air outlet, said upper passageway or indentation in the upper portion of said pilot valve pin being in a position which allows communication between said chamber and said air outlet, and when said float means reaches a predetermined upper position said pilot valve pin causes said diaphragm valve to close by allowing passage of air from said housing to said chamber located above said diaphragm said valve means, which returns to said sealing position, said diaphragm valve member being in sealing engagement with said rigid seat member whenever said float means is in its up sealing position or the air pressure in said chamber is equal to or greater than the air pressure in said cavity. 2. The gas-liquid vortex separator-eliminator as claimed in claim 1 wherein said horizontal separating wall (d) is concavely shaped in the direction toward lower chamber (c). 3. The gas-liquid vortex separator-eliminator as claimed in claim 1 wherein said gas is air and said liquid is water. 4. The gas-liquid vortex separator-eliminator as claimed in claim 1 further comprising float guide means to guide said float along a substantially straight path of travel. 5. The gas-liquid vortex separator-eliminator as claimed in claim 4 wherein said pilot valve allows passage of air from said upper chamber (b) to a chamber on one side of said diaphragm valve means to close same when said float means reaches a predetermined upper position, and wherein said passageway in said pilot valve pin is a slot. 6. The gas-liquid vortex separator-eliminator as claimed in claim 5 wherein said pilot valve vents said chamber to atmosphere, when said float means reaches a predetermined lower position, thereby allowing the internal air pressure in said upper chamber (b) to open said diaphragm valve means. 7. The gas-liquid vortex separator-eliminator as claimed in claim 6 wherein said pilot valve vents said chamber to atmosphere when said float means reaches a predetermined lower position, thereby allowing the internal air pressure in said upper chamber (b) to open said diaphragm valve means. 8. The gas-liquid vortex separator-eliminator as claimed in claim 7 wherein said diaphragm valve means is affixed between a retainer and a valve seat structure having a valve seat which is contacted by diaphragm valve when it is in closed position. 9. A gas-liquid vortex separator-eliminator which is adapted to be connected in a closed liquid circulating system having supply and return lines including a circulating pump connected therein for circulating liquid in said circulating system, comprising (a) an upright main body which has an upper chamber (b) and a lower chamber (c), said upper chamber (b) and lower chamber (c) being separated by a horizontal wall (d) that has a gas discharge part (e) in the center thereof, (f) an inlet which has a horizontal axis which generally perpendicularly intersects the vertical axis of said upright main body (a), said inlet (f) said lower chamber (c), said integral diffuser (g) positioned immediately inside of said lower chamber (c), said integral diffuser (g) being affixed at a horizontal angle and a vertical angle to said horizontal axis of said inlet (f), (h) an outlet, which has a horizontal axis which is generally aligned on said horizontal axis of said inlet (d) and which generally perpendicularly intersects said vertical axis of said upright main body (a), said outlet (h) having a vertical pipe leg (i) positioned inside of said lower chamber (c) so that the lower segment thereof is positioned in the lower portion of lower chamber (c) and that the vertical axis of said lower segment of said vertical pipe leg (i) is generally aligned in said vertical axis of said upright main body (a), and (j) a gas vent-eliminator positioned within said upper chamber (b), when said separator-eliminator is in operation, said liquid enters said inlet (f), is directed into said lower chamber (c) and exits via said vertical pipe leg (i) and said outlet (h), said horizontal angle and said vertical angle being of sufficient degree from the vertical axis of the outlet to force said water tangentially against the side of said lower chamber (c) and downwardly in said lower chamber (c), respectively, so as to form a water vortex in said lower chamber whereby the gas in said liquid is released in the form of bubbles, said liquid being present during operation in said upper chamber (b) and said lower chamber (c), the lower end of said vertical pipe leg (i) being below where said bubbles form and/or where gas bubbles entrained in said liquid are carried down to by said vortex, said horizontal separating wall (d) being positioned in said upright main body (a) at a level to prevent the tangential fluid motion in said lower chamber (c) from interfering with the passage of gas bubbles up into said upper chamber (b), the gas bubbles rising into said upper chamber (b) and being purged into the atmosphere by means of said gas vent-eliminator within said upper chamber (b), said gas vent-elimintor (j) for automatically venting entrapped gas from a liquid system having a pilot valve-operated diaphragm valve means comprising a valve seat structure containing an upwardly facing rigid valve seat member having a central aperture communicating with the interior of said upper chamber (b), a pilot valve-operated flexible diaphragm valve member having a sealing surface which faces downward and sealing engages against said rigid valve seat member, said diaphragm valve member having a central aperture, a chamber located above said flexible diaphragm member, on the side of said flexible diaphragm member opposite said sealing surface, said chamber communicating with said central aperture of said diaphragm valve member, a retaining means to position and retain said flexible diaphragm member in said valve seat structure such that said sealing surface on said flexible diaphragm member is in contact with said rigid valve seat member said retaining means having a central aperture which is aligned with and communicates with said central aperture of diaphragm valve member, and a pilot valve slidably located in said central aperture of said diaphragm valve member, at least one passageway being located in the lower portion of said pilot valve pin, said lower passageway allowing communication between said cavity in said upper chamber (b) and said central aperture in said diaphragm valve member when said diaphragm valve member sealingly engages said valve seat member and not being in such communication position once said lower passageway has moved entirely within said central aperture of said diaphragm valve member or when such sealing engagement does not exist, said pilot valve pin allowing communication between said chamber and said air outlet when said sealing engagement does not exist, at least one passageway or indentation being located in the upper portion of said pilot valve pin, said upper passageway or indentation allowing communication between said chamber and said air outlet once said diaphragm valve member is not in the sealing position, said pilot valve-operated diaphragm valve means selectively opening and closing said air outlet, the air pressure within said upper chamber (b) being used to open and close said diaphragm valve means, and float means within said upper chamber (b) operatively connected to said pilot valve pin, said float means rising and falling as the water level in said upper chamber (b) rises and falls such that when said float means reaches a first predetermined lower position said pilot valve pin no longer allows communication between said chamber and said upper chamber (b), when said float means reaches a second predetermined lower position said pilot valve pin causes said diaphragm valve to open and vent air through said air outlet, via a passageway from said central aperture of said rigid valve seat member to said air outlet, said upper pilot valve pin being in a position which allows communication between said chamber and said air outlet, and when said float means reaches a predetermined upper position said pilot valve pin causes said diaphragm valve to close by allowing passage of air from said housing to said chamber located above said diaphragm valve means, which returns to said sealing position, said diaphragm valve member being in sealing engagement with said rigid valve seat member whenever said float means is in its up sealing position or the air pressure in said chamber is equal to or greater than the air pressure in said cavity. 10. The gas-liquid vortex separator-eliminator as claimed in claim 9 further comprising float guide means to guide said float along a substantially straight path of travel. 11. The gas-liquid vortex separator-eliminator as claimed in claim 10 wherein said pilot valve allows passage of air from said upper chamber (b) to a chamber on one side of said diaphragm valve means to close same when said float means reaches a predetermined upper position, and wherein said passageway in said pilot valve pin is a slot. 12. The gas-liquid vortex separator-eliminator as claimed in claim 11 wherein said pilot valve vents said chamber to atmosphere, when said float means reaches a predetermined lower position, thereby allowing the internal air pressure in said upper chamber (b) to open said diaphragm valve means. 13. A gas-liquid vortex separator-eliminator as claimed in claim 12 wherein said pilot valve vents said chamber to atmosphere when said float means reaches a predetermined lower position, thereby allowing the internal air pressure in said upper chamber (b) to open said diaphragm valve means. 14. The gas-liquid vortex separator-eliminator as claimed in claim 13 wherein said diaphragm valve means is affixed between a retainer and valve seat structure having a valve seat which is contacted by said diaphragm valve when in its closed position. 15. The gas-liquid vortex separator-eliminator as claimed in claim 9 wherein said horizontal separating wall (d) is concavely shaped in the direction toward lower chamber (c). 16. The gas-liquid vortex separator-eliminator as claimed in claim 9 wherein said short pipe leg (g) of said inlet (f) is affixed at a horizontal angle of about 30 degrees to said horizontal axis of said inlet (f) and at about a vertical angle of about 15 degrees to said horizontal axis of said inlet (f). 17. The gas-liquid vortex separator-eliminator as claimed in claim 9 wherein said gas is air and said liquid is water.