US2564548A - Liquid piston air compressor - Google Patents

Liquid piston air compressor Download PDF

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Publication number
US2564548A
US2564548A US789492A US78949247A US2564548A US 2564548 A US2564548 A US 2564548A US 789492 A US789492 A US 789492A US 78949247 A US78949247 A US 78949247A US 2564548 A US2564548 A US 2564548A
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United States
Prior art keywords
valve
water
air
float
discharge
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Expired - Lifetime
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US789492A
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English (en)
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Sjoberg Edvin
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Individual
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F04B39/0011—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons liquid pistons

Definitions

  • a broad object of the invention is to provide a device effective for opening a discharge value automatically when the receptacle is substantially lled with water, and a special object is to effect this by means of mechanisms which are of simple design and are reliable in operation.
  • the water discharge valve is operated from a float by means of an actuator mechanism comprising a vertical rod and two different spring connections, of which, one is arranged between said discharge Valve and the lower end of said rod and the other is arranged between said float and the upper end of said rod, this last-mentioned spring connection being more elastic or weaker than is the resilient connection of the discharge valve, to allow this valve to open with a delay in relation to the lifting movement of the float.
  • the discharge device may be used for discharging water receptacles of any kind, for instance flushing cisterns for urinals.
  • the receptacle provided with the devices according to the invention constitutes a hydraulic air compressor delivering a clean and odorless air under such pressure, that this air may be used for retailing drinks, for instance milk, furthermore in dentists equipments, divers equipments and the like, where a clean and non-smelling pressure air is important.
  • Fig. 3 is a sectional elevation of an embodiment of a flushing cistern for urinals, according to the invention.
  • 00 is provided with a float chamber
  • Said float chamber is open at the upper end surface of the same.
  • the float chamber is filled only in the way that the rising water of the cylinder ultimately flows over the rim of the float chamber, and this rim lies at a level comparatively high in the cylinder
  • 06 extends which is sealed to the bottom of said chamber and in which a rod
  • 08 is guided upon said tube
  • 08 is suspended on a cross pin secured in a radial aperture made through the rod
  • I2 is arranged between said pin II I and the upper face of the float
  • 01 is by means of a second helical spring I
  • This discharge opening may be the central opening of a sleeve
  • the valve II4 may be a ball composed of an elastic material, secured on a guiding stem II6.
  • This valve stem has on its upper end an extension made as a sleeve I'I1 constituting a housing for the spring II3. It is toV be noted that the spring
  • the other end of said leverl is journalled on a horizontal axis
  • 35 is disposed between a foot plate on the valve stem
  • the interior of this pressure chamber is connected yto the air reservoir
  • the arrangement is such, that a certain pressure of the ⁇ air above atmospheric, enclosed within the upper portion of the water container and within the air reservoir, will cause closing of the regulator valve I3 Y
  • 00, is controlled by a valve
  • 45 may be operated from a lspecial float arranged within the upper portion of the water container and connected with said valve by means of a lever mechanism, but it will also be possible to operate said valve from the main float
  • 45 is supported by one en d of a lever
  • the water inlet valve ,I 45 is loperated ⁇ automatically by the water discharge valve
  • 56 isoperated in dependence on the water level in the. float chamber
  • 53 This may be effected by means of a lever mechanism connecting said valve element
  • 53 carries an extension rod
  • the air inlet I5I is closed and the air outflow
  • 59 may comprise a back pressure valve
  • the air reservoir is provided with a pressure gauge
  • the air space in the upper portion ofV the water container may be connected to the atmosphere through a conduit
  • 45 are both in the open positions, the discharge valve I I4 is closed, the dischargefvalve
  • 33 Will rise successively, compressing the air tothe normal or maximum pressure of working, the back pressure valve
  • the air receptacle is being filled with air under pressure.
  • 04 is closed.
  • the normal maximum pressure-of working may be attained when the water outside of the float chamber has attained a certainlevel, for example, the plane of the bottom surface of the iioat chamber. Then, the regulator Valve
  • the rising water flows into the float chamber
  • 08 begins to lift, tensioning the spring
  • 50 is opened under the action of the valve rod fork
  • is a safety means serving to operate the valves
  • 00 indicates the water container,
  • 50 indicates the air inlet controlled over a lever mechanism
  • the neet chamber 'm4' is securely mounted upon the upper end of a vertical sleeve
  • the discharge opening is located centrally below said sleeve and is in connection with the interior of said sleeve as well as with the space surrounding said sleeve.
  • the discharge valve H4 has its upper portion located Within said sleeve and is arranged to control not only the discharge from the sleeve
  • 04 is discharged only when the water container
  • this embodiment operates in the same manner as does the embodiment illustrated in Fig. 1.
  • Fig. 3 illustrates a water container
  • 00 is provided with a cover
  • 04 which is securely mounted by suitable means (not shown), the guide tube
  • This discharge devices operates in the same manner as has been described in connection with Fig. l.
  • 32 is connected to the upper portion of the cistern and communicates with a tube
  • an overflow outlet which communicates through a channel
  • a water receptacle comprising, in combination, a water inlet, a water ⁇ discharge opening provided at the bottom of said receptacle, a valve controlling said discharge opening, a oat chamber secured Within said receptacle and having an opening at its upper end, a float vertically guided in said chamber, a vertical rod extending from the interior of said chamber through the bottom of the same downwards to the proximity of said discharge valve, a resilient connection between the lower end of said rod and said discharge valve, a resilient connection between the upper end of said rod and said float, which last-mentioned connection is more elastic than is the re- 7 silientconnectionof j the discharge valve, to allow the discharge valve to open with a delay in rela- 'tion to the lifting movement of the float and discharge means at the float chamber for dischargling said float chamber only when the water receptacle has been. substantially discharged.
  • a water receptacle comprising, in combination, a Water inlet, a water discharge opening provided at the bottom of said receptacle, a valve controlling,saiddischarge opening, a float chamber Secured within said receptacle and having an opening at its upper end, a float vertically guided in said chamber, a vertical rod extending from the interior of said chamber through the bottom of the same downwards to the proximity of said discharge valve, a resilient connection between the lower end of said rod and said discharge valve, a resilient connection between the upper end of said rod and said float, which last-mentioned connection is more elastic than is the resilient connection of the discharge valve, to allow the discharge valve to open with a delay in relation to the lifting movement of the oat, and a discharge opening at the bottom of ⁇ the oat chamber which opening is of such restricted area that. the float chamber is discharged only when the water receptacle has been substantially discharged, to cause the oat to close the discharge A valve only after the water recepta
  • a water receptacle comprising, in combination, a water inlet, a Water discharge opening provided at the bottom of said receptacle, a valve controlling said discharge opening, a float chamber secured-within said receptacle and having an opening at its upper end, a float vertically guided in said chamber, a vertical rod extending from the interior of said chamber through the bottom of the same downwards to the proximity of said discharge valve, a resilient connection between the lower end of said rod and said discharge valve, a resilient connection between the upper end of said rod and said oat, which last-mentioned connection is more elastic than is the resilient connection of the discharge valve, to
  • a water receptacle comprising, in combination, a water inlet, a water discharge opening provided at the bottom of said receptacle, a-valve controlling said discharge opening, a float chamber secured within said receptacle and being open at its upper end, a rst tube secured in thefbottom of said chamber and extending upwards through said chamber, a float arrangedwithin said chamber and sliding on said tube, a vertical rod extending through said chamber and the bottom thereof to the proximity of said discharge valve, aspring connectionbetween thelower end of said rod and said discharge valve, a second tube secured on Vthe upper side of the float and extending upwards, Vtwo diametrically opposed slots in said second tube which slots extend from the lower portion of said second tube and to a point nearfthe upper end of said second tube, a cross pinsecured in said rod and projecting through saidfslots, anda-helicalsprng arranged between said cross pin and the upper side of said float, which spring is weaker than is
  • Water receptacle discharge control and air compressing apparatus comprising, in combination, a water receptacle, a hermetic closure for said receptacle, a water supply conduit, a valve controlling said water supply, a water discharge opening provided at the bottom of said receptacle, a valve controllingsaid discharge opening, a float chamber secured within said receptacle and being open at its upper end, a float vertically guided in said chamber, a vertical rod extending through said chamber andN its bottom to apoint4 near said discharge valve, a first resilient connection between the lower end of said rod and said discharge valve, a second resilient connection between the upper end of said rod and said float, this last-mentioned resilient connection being more elastic than is the resilient connection of the discharge valve, to allow the discharge valve to open with a delay in relation to the lifting movement of the oat, discharge means at the bottom of the float chamber, to discharge said chamber only after the water receptacle is substantially discharged and, thus, to cause the float
  • Apparatus according toclaim 5 comprising, in combination, means for an automatic operation of said Water supply valve in dependence on the air pressure in the'upper portion of the water receptacle, to open this valve at an air pressure below the normal pressure of working and to close this valve at the normal pressure of working, the water level in the receptacle thus rising step by step according yto the consumption of air under pressure.
  • Apparatus according to claim 5 and also comprising, in combination, means operating said air inlet valve Ain dependence on the water level insaid float chamber, to open said air inlet valve when the float chamber is substantially filled, whereby any air under high pressure is blown out before the delayed discharge of the receptacle and fresh air is supplied when the water level sinks.
  • Apparatus according to claim 5 and also comprising, in combination, means under control by said float and connected with said air inlet valve to open said air inlet valve when the float chamber is substantially filled, whereby any air under pressure is blown out before the delayed discharge of the receptacle and fresh air is supplied when the water level sinks.
  • Apparatus according to claim 5 and also comprising, in combination, an air reservoir, a conduit supplying air from the upper portion of the water receptacle into said air reservoir, and a back pressure valve in said conduit.
  • Apparatus according to claim 5 and also comprising, in combination, an air reservoir, a conduit supplying air from the upper portion of the water receptacle into said reservoir, a supply valve in said supply conduit, and means operating said supply valve in dependence on the water level in said oat chamber to close said valve when the water receptacle is substantially lled with water.
  • Apparatus according to claim 13 and also comprising, in combination, an air reservoir, a conduit supplying air from the upper portion of the water receptacle into said reservoir, a valve controlling the ow of air in said air supply conduit, an air consumption conduit connected to said air reservoir, and a shut-off valve in said consumption conduit.
  • a water receptacle comprising, in combination, a water inlet, a vertical sleeve extending upwards from the bottom of said receptacle, a discharge opening located concentrically below said sleeve and in connection with the interior of said sleeve as well as with the space surrounding said sleeve, a valve controlling said discharge l0 opening, a float chamber secured on the upper terminal of said sleeve within said receptacle and open at its upper end surface, a float vertically guided in said chamber, a vertical rod extending from the interior of said chamber through said sleeve to a point near said discharge valve, a first resilient connection between the lower end of said rod and' said discharge valve, a second resilient connection between the upper end of said rod and said float, which second resilient connection is more elastic than is the first resilient connection, to allow the discharge valve to open with a delay in relation to the lift movement of the float, and a discharge opening in the bottom of the float chamber which opening is

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
US789492A 1944-11-13 1947-12-03 Liquid piston air compressor Expired - Lifetime US2564548A (en)

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Application Number Priority Date Filing Date Title
SE2564548X 1944-11-13

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DK (1) DK74541C (da)
GB (1) GB649585A (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948010A (en) * 1989-04-07 1990-08-14 Wiggins E Todd Waste liquid collection and disposal apparatus
US20050284155A1 (en) * 2004-06-25 2005-12-29 Bhatt Bharat L Zero-clearance ultra-high-pressure gas compressor
CN106988999A (zh) * 2017-05-24 2017-07-28 安徽寅时压缩机制造有限公司 一种用于压缩机的可调式排水装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148399B (en) * 1983-10-06 1987-07-29 Paterson Candy Int Compression of air for use in water treatment plant

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR523281A (fr) * 1919-03-31 1921-08-16 Pierre Allert Gandillon Appareil à chasses d'eau intermittentes
US2077832A (en) * 1935-04-10 1937-04-20 Gebert Albert Flushing cistern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR523281A (fr) * 1919-03-31 1921-08-16 Pierre Allert Gandillon Appareil à chasses d'eau intermittentes
US2077832A (en) * 1935-04-10 1937-04-20 Gebert Albert Flushing cistern

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948010A (en) * 1989-04-07 1990-08-14 Wiggins E Todd Waste liquid collection and disposal apparatus
US20050284155A1 (en) * 2004-06-25 2005-12-29 Bhatt Bharat L Zero-clearance ultra-high-pressure gas compressor
US7488159B2 (en) 2004-06-25 2009-02-10 Air Products And Chemicals, Inc. Zero-clearance ultra-high-pressure gas compressor
CN106988999A (zh) * 2017-05-24 2017-07-28 安徽寅时压缩机制造有限公司 一种用于压缩机的可调式排水装置

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Publication number Publication date
DK74541C (da) 1952-08-11
GB649585A (en) 1951-01-31

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