US3394733A - Airless water pressure system - Google Patents

Airless water pressure system Download PDF

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Publication number
US3394733A
US3394733A US42830365A US3394733A US 3394733 A US3394733 A US 3394733A US 42830365 A US42830365 A US 42830365A US 3394733 A US3394733 A US 3394733A
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US
United States
Prior art keywords
pressure
tube
pump
range
expansion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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English (en)
Inventor
Jacuzzi Candido
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jacuzzi Inc
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Jacuzzi Brothers Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jacuzzi Brothers Inc filed Critical Jacuzzi Brothers Inc
Priority to US42830365 priority Critical patent/US3394733A/en
Priority to SE809065A priority patent/SE311284B/xx
Priority to JP4154065A priority patent/JPS5130291B1/ja
Priority to BR17128465A priority patent/BR6571284D0/pt
Priority to DK416065A priority patent/DK123431B/da
Priority to DE1528439A priority patent/DE1528439C3/de
Priority to AT855065A priority patent/AT272211B/de
Priority to ES0320130A priority patent/ES320130A1/es
Priority to GB2514365A priority patent/GB1136213A/en
Application granted granted Critical
Publication of US3394733A publication Critical patent/US3394733A/en
Assigned to JACUZZI INC., A CORP. OF DE A WHOLLY-OWNED SUBSIDIARY OF WALTER KIDDE & CO., INC. BY CHANGE OF NAME KIDDE, INC. A DE CORP. reassignment JACUZZI INC., A CORP. OF DE A WHOLLY-OWNED SUBSIDIARY OF WALTER KIDDE & CO., INC. BY CHANGE OF NAME KIDDE, INC. A DE CORP. NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). Assignors: JACUZZI BROS., INC., JACUZZI WHIRLPOOL BATH, INC.
Anticipated expiration legal-status Critical
Assigned to JACUZZI INC., A DELAWARE CORPORATION reassignment JACUZZI INC., A DELAWARE CORPORATION NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). Assignors: JACUZZI INC., A FORMER DELAWARE CORPORATION
Assigned to JACUZZI INC. reassignment JACUZZI INC. NUNC PRO TUNC ASSIGNMENT EFFECTIVE AS OF 6-30-98 Assignors: JACUZZI INC.( A FORMER DELAWARE CORPORATION)
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/022—Stopping, starting, unloading or idling control by means of pressure
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B5/00—Use of pumping plants or installations; Layouts thereof
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F04B11/0033—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a mechanical spring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86035—Combined with fluid receiver
    • Y10T137/86043—Reserve or surge receiver

Definitions

  • My invention relates to pressure systems handling liquid, and more particularly to water pressure systems.
  • Water pressure systems to which the present invention particularly relates normally involve a pump having a suction line to a source of water and a discharge line to service. Coupled in the discharge line is a pressure tank for holding a reserve supply of water under pressure of an air cushion.
  • Tank pressure is maintained between a minimum value and a maximum value by a pressure switch which responds to a drop in pressure to the minimum value and starts the pump to replenish water in the tank and build up the pressure therein to its maximum desired value, when the pressure switch again goes into operation to shut down the pump until the pressure in the tank again drops to its minimum value.
  • pressure tanks are normally of substantial size, and consequently are invariably installed above ground, thereby essentially limiting their application in water systems to above ground installations.
  • FIGURE 1 is a schematic view of a water pressure system or the like embodying the present invention, and depicting an above ground installation including a novel and improved pressure device;
  • FIGURE 2 is a schematic view of a water pressure system or the like embodying the present invention and depicting a below ground installation of a novel and improved pressure device;
  • FIGURE 3 is a longitudinal view in section through the form of pressure device depicted in FIGURE 1 as adapted for above ground installation;
  • FIGURE 4 is a similar view in section through the same pressure device as adapted for the below ground installation depicted in FIGURE 2;
  • FIGURE 5 is a view in section through a modified version of the pressure device of FIGURE 3.
  • FIGURE 6 is a graph depicting the general operating characteristics of the pressure device illustrated above.
  • FIGURE 1 the system depicted in FIGURE 1 involves a pump 1 driven by a motor 3 and having an intake end and a discharge end, the intake end being connected to a suction line 5 which may, in a water pressure system, extend down into a well, while the discharge end will connect to a discharge line 9, which may be a pressure line, or a service line which serves one or more outlets controlled by valves or spigots in the conventional manner.
  • a pump 1 driven by a motor 3 and having an intake end and a discharge end, the intake end being connected to a suction line 5 which may, in a water pressure system, extend down into a well, while the discharge end will connect to a discharge line 9, which may be a pressure line, or a service line which serves one or more outlets controlled by valves or spigots in the conventional manner.
  • an airless pressure device 13 embodying the novel and improved features of the present invention, which, for an above ground installation as depicted in the system of FIGURE 1, will cornprise in general, an expansible tube 15 as the principal functioning element, enclosed within a vented housing 17 and having but a single open end 19 functioning both as an inlet and discharge opening.
  • the expansible tube will be connected at such opening by a coupling pipe or fitting 21 leading to the discharge line 9 of the system, which dischargeline may be deemed to include the portion of the base casting of the pump, to which the pipe which carries water from the pump, is connected.
  • a conventional pressure switch 30 coupled into the discharge line or at some other corresponding pressure point in the system, will be exposed to whatever pressure conditions exist therein, and consequently the pressure prevailing at any instant in the pressure device.
  • the pressure switch When set for a certain pressure range, such as a range of 2/0 to 40 pounds pressure for example, the pressure switch will connect the pump motor in circuit and start the pump when the pressure in the system drops to or falls below the lower value of pressure in such range, and will maintain the pump mot-or in circuit until water pressure in the pressure device reaches the maximum value of the pressure range, at which time the pressure switch will respond and cut out the motor.
  • the characteristics of an expansible tube as exemplified by the curve 31 of FIGURE 6, are such that substantial expansion or enlargement thereof does not begin until a certain region 33 of pressure is developed within the tube, following which, expansion will continue almost linearly with increase in pressure until further expansion is precluded by the enclosing housing.
  • the region 33- at which substantial expansion begins, in the characteristic curve 31 of an expansible tube, may be referred to as the knee of the curve.
  • the expansible tube 15 must have a characteristic curve which can be closely related to the pressure range of the system, or in other words, to the pressure range setting of the pressure switch, in that the knee of its characteristic curve should preferably occur at substantially the lower pressure value of the pre-established pressure operating range of the system, as determined by the pressure switch; and the tube must be capable of reaching the maximum value of the pressure range.
  • the increase in volume or capacity of the tube when functioning throughout the pressure operating range of the system should be such as to assure an immediate flow of water at pressures within such range, upon opening of a service spigot or corresponding valve, and without too rapid a drop in pressure before the lower pressure of the operating range is reached and the pump started.
  • a capacity of the order of a gallon or gallon and a half will be deemed adequate for the average installation.
  • Factors which enter into the determination of the ultimate or final characteristics of the expansible tube are the nature of the material from which the tube is made, the length of tube, and wall thickness. Such factors offer a number of variables which can be readily adjusted to obtain the characteristics desired in any particular pressure device.
  • the pressure device For use in an underground installation, the pressure device will be incorporated into a line carrying water at pump pressure, and such an installation is depicted in the system of FIGURE 2 wherein a submersible pump 41 disposed below the water level in a well 43, pumps water through a discharge line 45 extending above ground to service.
  • the expansible tube will be open at each end, for connection in the discharge line.
  • FIGURE 3 A basic pressure device adaptable for use in either of the above described types of installations as pictured therein, is depicted in detail in FIGURE 3 as adapted for use in the above ground installation of FIGURE 1, and, in FIGURE 4, as adapted for the underground installation illustrated in FIGURE 2.
  • this device compnises an expansible tube 15 clamped at its ends by suitable clamping means such as bands 47, to a pipe section 49 running longitudinally thereof with its ends internally threaded.
  • a space collar 51 is preferably installed at each end between the tube 15 and the pipe section 49 to (initially provide slight spacing between the two.
  • the pipe section is provided with one or more wall openings or perforations 53 intermediate the ends of the expansible tube, whereby liquid under pressure, entering the pipe section, may gain access to the tube and begin to cause substantial expansion thereof when the pressure reaches the minimum value of the desired pressure operating range for which the pressure device is designed.
  • the accessibility of liquid to the tube provided by the slight spacing attributable to the collars, will assure uniform and efficient functioning of the tube in this connection.
  • Such housing is comprised of a pair of bell end caps, 57, 59, and an intermediate cylindrical shell 61 snugly fitting into the larger ends of the caps.
  • each cap abuts the proximate ends of the tube 15 and pipe section 49, and is clamped thereagainst by a flanged bushing 63 passing through a central opening in the cap, to threadedly engage the pipe section.
  • the bushing as thus installed, is adapted to either threadedly receive a plug 64, or a pipe connection such as when connected to a discharge line.
  • Vent holes 65 in the housing preferably the end cap components thereof, permit free movement of air from and into the housing, in response to expansion and deflation of the expansible tube.
  • one of the bell end caps 57 will be closed by a plug 64, while the other 59 will be connected to one end of the coupling pipe 21, and when the device is to be adapted for use in an underground installation, such as depicted in FIGURE 2, both bell end caps will be open for connection into the line carrying liquid under pump pressure.
  • a heavy rubber tube twenty-two inches long and having an inside diameter of two and one-half inches and a thickness of fiveeighths inch, was banded at its ends to a pipe section of one and one-half inches inside diameter and an outside diameter of one and seven-eighths inches, with collars of a quart-er inch thickness.
  • This assembly was enclosed with-in a housing having a diameter of seven inches.
  • Such device was found to have a capacity somewhat in excess of a gallon, between operating pressures of 20 to 40 pounds per square inch.
  • a feature of importance in the present invention is the flexibility of its application, through gauging a plurality of such devices in the same system, to realize increased capacity. For example, two or more of such units may be connected in tandem or in parallel relationship. Through such manipulations, the overall capacity characteristics may be widely varied to meet desired conditions in a particular system.
  • the pressure device while illustrated and described in connection with its use in a water pressure system, may be employed in any fluid pressure system where the action of an accumulator is desired.
  • the tube 67 is formed with one end closed, and its other end terminating in a flange 69 provided with uniformly spaced bolt holes.
  • This tube is enclosed in a capsule type housing 71 having an open end bounded by a narrow flange 73 against which the tube flange is adapted to abut.
  • the tube and its housing are clamped at their flanges, between a clamping ring 75 and an end plate 77 having a threaded opening 79 for connection to a coupling pipe, the clamping ring and end plate having bolt holes matching those in the tube flange, for the reception of clamping bolts 81.
  • expansible tube While we have illustrated and described the expansible tube as being of rubber, it may be of any other suitable material, or may even take the form of a bellows or a piston operating against a spring resistance.
  • the expression expansible tube is intended to apply to any such forms.
  • a pressure system comprising a pump having an intake end and a discharge end,
  • pressure range determining means responsive to pressure in said system for determining operating periods of said pump to establish a pressure operating range for said system
  • liquid holding device for holding liquid under pressure for use during quiescent periods of said pump, said liquid holding device being flow coupled in said discharge line and comprising an expansible tube having an expansion characteristic adapting it to begin substantial expansion at internal pressure corresponding to substantially the lower operating pressure of said pressure range and capable of reaching the maximum value of said pressure range, following a substantial increase in capacity
  • a pressure system comprising a pump having an intake end and a discharge end
  • pressure range determining means responsive to pressure in said system for determining operating periods of said pump to establish a pressure operating range for said system
  • liquid holding device for holding liquid under pressure for use during quiescent periods of said pump, said liquid holding device being flow coupled in said discharge line and comprising an expansible tube having expansion characteristics adapting it to begin substantial expansion at internal pressure corresponding to substantially the lower operating pressure of said pressure range,
  • tube expansion limiting means for physically limiting expansion of said tube at substantially the upper during quiescent periods of a pump, in a pressure system 10 having a pre-established pressure operating range
  • a pressure system comprising atmosphere, a P p having an intake end and a discharge end, and means for flow coupling said liquid holding device a discharge line extending from said pump at its discharge end,
  • liquid holding device for holding liquid under pressure for use during quiescent periods of said pump, said liquid holding device being fiow coupled in said discharge line and comprising an expansible tube having an expansion characteristic adapting it to begin substantial expansion at internal pressure corresponding to substantially the lower operating pressure of said pressure range,
  • tube expansion limiting means involving a vented substantially non-expansible housing enclosing said tube and permitting unrestricted expansion to said housing, said housing being spaced from said tube suflicient to enable said tube to reach the upper pressure tube expansion limiting means involving a housing enlimit of Said ressure o eratin ran 6 before en a in closing said tube, in sufficient spaced relationship to said housing?
  • P g g g g g g g said tube to physically limit expansion oi said tube and means for flow coupling said expansible tube into at substantially the upper pressure of said pressure
  • Such pressure system Such pressure system. range 8.
  • a pressure system comprising a pump having an intake end and a discharge end,
  • a pressure range determining means responsive to pressure in said system for determining operating periods of said pump to establish a pressure operating range for said system
  • liquid holding device for holding liquid under pressure for use during quiescent periods of said pump, said liquid holding device being flow coupled in said discharge line and comprising an expansible tube having an expansion characteristic adapting it to begin substantial expansion at substantially the lower operating pressure of said pressure range and capable of reaching the maximum value of said pressure range, with an increase in capacity of the order of a gallon or more,
  • said pipe section having at least one opening therein between the ends of said expansible tube
  • a device for holding liquid under pressure for use quiescent periods of a pump, in a pressure system having a pre-established operating pressure range comprising an expansible tube having an expansion characteristic adapting it to begin substantial expansion at internal pressure corresponding to substantially the lower operating pressure of said pressure range,
  • said pipe section having perforations therein between the ends of said expansible tube
  • vented tube expansion limiting means for physically limiting expansion of said tube at substantially the upper pressure of said pressure range
  • a device for holding liquid under pressure during quiescent periods of a pump, in a pressure system having a pre-established pressure operating range, comprising during quiescent periods of a pump, in a pressure system having a pre-established pressure operating range, comprising an expansible tube adapted, in response to internal pressure, to begin substantial expansion at substantially ther having perforations therein between the ends of said expansible tube,
  • tube expansion limiting means involving a vented nonexpansible housing enclosing said tube and permitting unrestricted expansion to said housing, said housing being spaced from said tube sufiicient to enable said tube to reach the upper pressure limit of said pressure range before engaging said housing,
  • said housing including a bell end at each end of said pipe section, and a cylindrical shell extending between said bell ends,
  • a device for holding liquid under pressure during quiescent periods of a pump, in a pressure system comprising an expansible tube,
  • said pipe section having perforations therein between the ends of said expansible tube
  • tube expansion limiting means for physically limiting expansion of said tube longitudinally, said means including a non-expansible housing enclosing said tube and having ends substantially abutting the ends of said tube and clamping rings about the ends of said tube spaced slightly from said housing ends,
  • a device for holding liquid under pressure during quiescent periods of a pump, in a pressure system comprising an expansible tube,
  • said pipe section including end collars to slightly space said expansible tube from said pipe section, and further having perforations therein between the ends of said expansible tube,
  • tube expansion limiting means involving a vented nonexpansible housing enclosing said tube and having ends substantially abutting the ends of said tube for physically limiting both radially and longitudinally expansion of said tube,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Pipeline Systems (AREA)
  • Reciprocating Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Hydraulic Turbines (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Pipe Accessories (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Fluid Pressure (AREA)
US42830365 1965-01-27 1965-01-27 Airless water pressure system Expired - Lifetime US3394733A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US42830365 US3394733A (en) 1965-01-27 1965-01-27 Airless water pressure system
SE809065A SE311284B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-01-27 1965-06-18
JP4154065A JPS5130291B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-01-27 1965-07-12
BR17128465A BR6571284D0 (pt) 1965-01-27 1965-07-15 Sistema de pressao hidralica sem ar
DK416065A DK123431B (da) 1965-01-27 1965-08-13 Apparat til at holde driftstrykket mellem fastsatte grænser i et væskeforsyningssystem under en intermitterende arbejdende pumpes stilstandsperioder.
DE1528439A DE1528439C3 (de) 1965-01-27 1965-08-27 Druckspeicher zur Aufrechterhaltung eines Druckarbeitsbereiches in einem hydraulischen System
AT855065A AT272211B (de) 1965-01-27 1965-09-20 Flüssigkeitsbehälter aus elastischem Material zum Speichern von unter Druck stehenden Flüssigkeiten, insbesondere Druckwasser
ES0320130A ES320130A1 (es) 1965-01-27 1965-11-29 Dispositivo de presion para instalacion de agua.
GB2514365A GB1136213A (en) 1965-01-27 1965-12-14 A device for maintaining pressure in liquid systems

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Application Number Priority Date Filing Date Title
US42830365 US3394733A (en) 1965-01-27 1965-01-27 Airless water pressure system

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US3394733A true US3394733A (en) 1968-07-30

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US42830365 Expired - Lifetime US3394733A (en) 1965-01-27 1965-01-27 Airless water pressure system

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US (1) US3394733A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5130291B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT272211B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR6571284D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1528439C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK123431B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES320130A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1136213A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE311284B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514220A (en) * 1968-10-24 1970-05-26 Charles E Hahn Jr Water storage and pressure maintainer for well pumps
US3515172A (en) * 1969-05-12 1970-06-02 Charles F Hahn Jr Water storage and pressure maintainer for well pumps
US3593744A (en) * 1970-02-19 1971-07-20 Henry Leo Smith Pneumatically controlled water storage system
US3739810A (en) * 1971-12-09 1973-06-19 Jacuzzi Bros Inc Pressure controlled water system with isolatable pressure switch
US3766992A (en) * 1969-06-27 1973-10-23 Inst Francais Du Petrole Device for automatic regulation of the running speed of a drilling turbine through elastic accumulator means
US3876336A (en) * 1970-04-15 1975-04-08 Jacuzzi Bros Inc Tankless automatic water system
US3980093A (en) * 1974-01-15 1976-09-14 Samuel Rhine Timed pulsed fuel injection apparatus and method
US4186769A (en) * 1978-01-25 1980-02-05 Chem-Trend, Inc. Liquid mixing and delivering aparatus
US5901744A (en) * 1996-09-06 1999-05-11 Richards; Samuel K. Water supply system for a water source with limited flow capability
US6349765B1 (en) 1999-10-27 2002-02-26 In-Well Technologies, Inc. Water pressure system
US20040261870A1 (en) * 2001-09-06 2004-12-30 John Swaffield Pressure relief device drainage systems
US6910532B2 (en) 1999-10-27 2005-06-28 In-Well Technologies, Inc. Water pressure system with pressure tank installed within well casing of well
US7013924B1 (en) 2003-11-17 2006-03-21 In-Well Technologies Inc. Fluid pressure system including free floating bladder
US20060144455A1 (en) * 2003-11-17 2006-07-06 Meyers Kenneth A Fluid pressure system including free floating bladder
USRE41507E1 (en) * 2002-02-20 2010-08-17 In-Well Technologies, Inc. Air filter for a well
US20120301320A1 (en) * 2011-05-26 2012-11-29 Grundfos Pumps Corporation Pump system
US10098386B2 (en) 2012-01-31 2018-10-16 Altria Client Services Llc Electronic cigarette

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033000B (en) * 1978-10-31 1983-01-26 Selwood Ltd W Reciprocating pump
MC2269A1 (fr) * 1991-04-09 1993-04-26 Eaton Corp Amelioration du rendement hydraulique des pompes vibrantes
DE102015200243A1 (de) * 2015-01-12 2016-07-14 Siemens Aktiengesellschaft Geruchsverschlusseinrichtung

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US1149896A (en) * 1914-09-23 1915-08-10 Benjamin Lockhart Chambers Attachment for flushing-tanks.
US2156296A (en) * 1935-10-05 1939-05-02 Ind Rayon Corp Rayon spinning apparatus
US2278688A (en) * 1941-07-09 1942-04-07 Air Associates Inc Accumulator
US2495693A (en) * 1946-03-26 1950-01-31 Jr William Byrd Hydraulic surge damper
FR1085114A (fr) * 1953-06-18 1955-01-27 Bronzavia Sa Perfectionnements aux dispositifs d'alimentation d'appareils hydrauliques
US2808070A (en) * 1955-04-29 1957-10-01 Malsbary Mfg Company Cushion dome
US2828771A (en) * 1956-04-24 1958-04-01 Westinghouse Air Brake Co Pulsation dampener device
US2949932A (en) * 1959-06-18 1960-08-23 Westinghouse Air Brake Co Surge dampener apparatus
US3017057A (en) * 1956-08-03 1962-01-16 Phillips Petroleum Co Liquid flow control system
GB911265A (en) * 1960-11-28 1962-11-21 Jerren Affiliated Companies Lt Apparatus for the reduction of pressure waves or surges in a pressurized water supply system
GB923010A (en) * 1960-11-28 1963-04-10 Jerren Affiliated Companies Lt Shock absorber for relieving fluid shock waves in plumbing systems
US3276477A (en) * 1963-05-09 1966-10-04 William J Bleasdale Cushioning means for hydraulic system

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1149896A (en) * 1914-09-23 1915-08-10 Benjamin Lockhart Chambers Attachment for flushing-tanks.
US2156296A (en) * 1935-10-05 1939-05-02 Ind Rayon Corp Rayon spinning apparatus
US2278688A (en) * 1941-07-09 1942-04-07 Air Associates Inc Accumulator
US2495693A (en) * 1946-03-26 1950-01-31 Jr William Byrd Hydraulic surge damper
FR1085114A (fr) * 1953-06-18 1955-01-27 Bronzavia Sa Perfectionnements aux dispositifs d'alimentation d'appareils hydrauliques
US2808070A (en) * 1955-04-29 1957-10-01 Malsbary Mfg Company Cushion dome
US2828771A (en) * 1956-04-24 1958-04-01 Westinghouse Air Brake Co Pulsation dampener device
US3017057A (en) * 1956-08-03 1962-01-16 Phillips Petroleum Co Liquid flow control system
US2949932A (en) * 1959-06-18 1960-08-23 Westinghouse Air Brake Co Surge dampener apparatus
GB911265A (en) * 1960-11-28 1962-11-21 Jerren Affiliated Companies Lt Apparatus for the reduction of pressure waves or surges in a pressurized water supply system
GB923010A (en) * 1960-11-28 1963-04-10 Jerren Affiliated Companies Lt Shock absorber for relieving fluid shock waves in plumbing systems
US3276477A (en) * 1963-05-09 1966-10-04 William J Bleasdale Cushioning means for hydraulic system

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514220A (en) * 1968-10-24 1970-05-26 Charles E Hahn Jr Water storage and pressure maintainer for well pumps
US3515172A (en) * 1969-05-12 1970-06-02 Charles F Hahn Jr Water storage and pressure maintainer for well pumps
US3766992A (en) * 1969-06-27 1973-10-23 Inst Francais Du Petrole Device for automatic regulation of the running speed of a drilling turbine through elastic accumulator means
US3593744A (en) * 1970-02-19 1971-07-20 Henry Leo Smith Pneumatically controlled water storage system
US3876336A (en) * 1970-04-15 1975-04-08 Jacuzzi Bros Inc Tankless automatic water system
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Also Published As

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JPS5130291B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-08-31
DE1528439A1 (de) 1970-08-13
GB1136213A (en) 1968-12-11
DE1528439B2 (de) 1975-03-27
ES320130A1 (es) 1966-09-01
DK123431B (da) 1972-06-19
AT272211B (de) 1969-06-25
BR6571284D0 (pt) 1973-04-12
SE311284B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-06-02
DE1528439C3 (de) 1975-11-13

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