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US20160251156A1 - Reservoir Having Wave Suppression Plate - Google Patents

Reservoir Having Wave Suppression Plate Download PDF

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Publication number
US20160251156A1
US20160251156A1 US15/031,153 US201415031153A US2016251156A1 US 20160251156 A1 US20160251156 A1 US 20160251156A1 US 201415031153 A US201415031153 A US 201415031153A US 2016251156 A1 US2016251156 A1 US 2016251156A1
Authority
US
United States
Prior art keywords
fluid
fluid storage
wave suppression
storage reservoir
suppression plate
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.)
Abandoned
Application number
US15/031,153
Other languages
English (en)
Inventor
Mark Schmidt
Robert Quandt
Robert E. Broman
Ryan O'Connor
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.)
HELGESEN INDUSTRIES Inc
Original Assignee
HELGESEN INDUSTRIES 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 HELGESEN INDUSTRIES Inc filed Critical HELGESEN INDUSTRIES Inc
Priority to US15/031,153 priority Critical patent/US20160251156A1/en
Assigned to HELGESEN INDUSTRIES, INC. reassignment HELGESEN INDUSTRIES, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BROMAN, ROBERT E., O'CONNOR, RYAN, QUANDT, Robert, SCHMIDT, MARK
Publication of US20160251156A1 publication Critical patent/US20160251156A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/52—Anti-slosh devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26—Supply reservoir or sump assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
    • B60K2015/0775—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation for reducing movement or slash noise of fuel
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives

Definitions

  • This invention generally relates to fluid storage reservoirs and particularly fluid storage reservoirs configured to reduce the entrainment of air into the fluid stored within the fluid storage reservoirs.
  • the present invention provides improvements in fluid storage reservoirs to reduce the amount of air that is entrained and/or to inhibit mixing of the air entrained fluid with the rest of the fluid within the fluid storage reservoir.
  • Embodiments of the present invention relate to a new and improved fluid storage reservoir. More particularly, embodiments of the present invention relate to a new and improved fluid storage reservoir that includes a wave suppression plate to inhibit entraining air into fluid stored within the fluid storage reservoir due to inhibiting wave formation and splashing of the fluid at the fluid-to-air interface within the fluid storage reservoir. Additional benefits may be that the wave suppression plate prevents or otherwise inhibits mixing between a portion of fluid having a lower entrained amount of air below the wave suppression plate and a portion of fluid having a higher entrained amount of air above the wave suppression plate.
  • a fluid storage reservoir including a tank and a wave suppression plate
  • the tank defines a fluid storage cavity in which fluid can be stored.
  • the tank defines a bottom and a top.
  • the wave suppression plate is positioned between the bottom and the top and is offset from both the top and the bottom separating the fluid storage cavity into a top portion above the wave suppression plate and a bottom portion below the wave suppression plate.
  • the wave suppression plate has at least one opening that allows for fluid flow between the top and bottom portions.
  • the tank in another embodiment, includes an inlet and an outlet.
  • the inlet and outlet are positioned below the wave suppression plate and in direct fluid communication with the bottom portion of the fluid storage cavity.
  • the at least one opening in the wave suppression plate has a surface are of between about 50% and 125% of the entire surface area of the outlet.
  • the at least one opening includes a plurality of openings each having a cross-sectional area equal to a circle having a diameter of between about 0.1 inches and 0.256 inches.
  • a predetermined volume of fluid is stored within the fluid storage cavity defining a fluid-to-air interface.
  • the wave suppression plate is positioned below the fluid-to-air interface. In an alternative embodiment, the wave suppression plate is positioned above the fluid-to-air interface.
  • the wave suppression plate is positioned between 40 and 140 mm below the fluid-to-air interface.
  • the plurality of openings are substantially equally spaced.
  • a secondary plate is offset from the wave suppression plate and is positioned between the wave suppression plate and the top of the tank with the secondary plate positioned within the top portion.
  • the secondary plate overlaps the at least one opening such that the secondary plate covers at least 75% of the surface are of the at least one opening.
  • the secondary plate extends outward beyond the periphery of the at least one opening by at least 1 ⁇ 4 inch in a direction generally perpendicular to the direction of flow fluid through the at least one opening.
  • the secondary plate is spaced from the wave suppression plate by a distance D1.
  • the secondary plate extends outward in a direction generally perpendicular to the flow of fluid through the at least one opening by at distance at least equal to distance D1.
  • the at least one opening includes a plurality of openings.
  • a method of inhibiting the entrainment of air within a fluid storage reservoir includes separating a fluid storage cavity defined by an tank of a fluid storage reservoir into a top portion and a bottom portion with a wave suppression plate having at least one opening fluidly communicating the top portion with the bottom portion.
  • the method includes redirecting the fluid flow after it flows from the bottom portion to the top portion using a secondary plate spaced apart from the wave suppression plate.
  • the secondary plate is positioned within the top portion and between the wave suppression plate and a top of the tank.
  • the method includes drawing fluid out of the tank through at least one outlet of the tank, the at least one opening having a cross-sectional area that is at least 50% the cross-sectional area of the at least one outlet.
  • the wave suppression plate is positioned between 140 mm above and 140 mm below a fluid-to-air interface within the tank.
  • FIG. 1 is a simplified perspective illustration of a fluid storage reservoir according to an embodiment of the invention
  • FIG. 2 is a simplified cross-sectional illustration of the fluid storage reservoir of FIG. 1 ;
  • FIG. 3 is a partial cross-sectional illustration of a further embodiment of a fluid storage reservoir
  • FIGS. 4 and 5 are additional partial cross-sectional illustrations of the embodiment of FIG. 3 ;
  • FIG. 6 is a partial cross-sectional illustration of a further embodiment of a fluid storage reservoir.
  • FIG. 1 is a simplified illustration of an embodiment of a fluid storage reservoir 100 according to the teachings of the present invention.
  • the fluid storage reservoir 100 is configured to store a fluid for use by a downstream system.
  • the fluid storage reservoir 100 is configured to be a fluid storage reservoir 100 for storing hydraulic fluid.
  • the fluid storage reservoir 100 includes a tank 102 that defines a fluid storage cavity 104 in which fluid can be stored.
  • the tank 102 includes a top 106 and a bottom 108 that is vertically spaced from the top 108 .
  • the illustrated tank is generally prismatic and includes sidewall 110 that extends generally between the top 106 and bottom 108 and surrounds, at least in part, the fluid storage cavity 104 .
  • the tank could be spherical or have a bottom or top that could be dome or bowl shaped such that dome or spherical shape generally provides the sides, top and/or bottom of the tank, such designs will still be considered to have a top, a bottom and sides.
  • the tank 102 is generally formed from a pair of U-shaped wrapper portions that are coupled together to form and enclose the fluid storage cavity 104 .
  • the fluid storage reservoir 100 includes a fluid inlet 112 and a fluid outlet 114 .
  • the fluid inlet 112 and fluid outlet 114 allow the fluid storage reservoir 100 to be connected to an external system, such as for example a hydraulic system or fuel system.
  • an external system such as for example a hydraulic system or fuel system.
  • fluid will be drawn from the fluid outlet 114 and passed through the system.
  • Fluid returning to the fluid storage reservoir 100 will typically enter through the inlet 112 during operation.
  • the fluid storage reservoir 100 could include other inlet and outlet ports for filling or draining the fluid storage reservoir 100 at initial setup or at maintenance intervals. Additional fluid inlets and fluid outlets may exist in any configuration of size, quantity, or location.
  • the fluid storage reservoir 100 includes a wave suppression arrangement in the form of wave suppression baffle illustrated as wave suppression plate 120 positioned horizontally between the bottom 108 and the top 106 .
  • the wave suppression plate 120 is vertically offset from both the top 106 and the bottom 108 .
  • the wave suppression plate 120 separates the fluid storage cavity 104 into a top portion 122 above the wave suppression plate 120 and a bottom portion 124 below the wave suppression plate 120 .
  • the wave suppression plate 120 includes a plurality of openings 126 extending therethrough that allows for fluid flow between the top and bottom portions 122 , 124 . However, the inclusion of the openings 126 inhibits easy mixing of the fluid within the top and bottom portions 122 , 124 .
  • the wave suppression plate 120 acts as a false top and reduces the overall exposure of the entire volume of fluid to the fluid-to-air interface 130 (shown schematically), which is the surface where the fluid meets the air stored within the fluid storage reservoir 100 .
  • a fluid storage reservoir would have no air stored therein so as to entirely avoid the possibility of entraining air within the fluid stored therein.
  • fluid storage reservoirs will almost always have some air therein.
  • the wave suppression plate 120 limits the amount of wave action and splashing action within the fluid storage reservoir 100 so as to minimize the amount of air that is entrained into the fluid stored within the fluid storage reservoir.
  • the wave suppression plate 120 also limits the amount of mixing of the fluid within the tank such that the fluid above the wave suppression plate 120 exposed to the fluid-to-air interface does not mix as readily with the fluid below the wave suppression plate 120 .
  • the wave suppression plate allows for the fluid storage reservoir 100 to be slightly larger than the exact necessary volume of fluid within the system so as to compensate for the changes in volume of fluid within the system while limiting the adverse effects of air entrainment due to the volume of air stored within the fluid storage reservoir.
  • the openings 126 are sized to allow for fluid flow between the top and bottom portions 122 , 124 , but inhibit significant mixing between the two portions and also act to prevent significant motion or splashing within the bottom portion 124 .
  • the inlet 112 and outlet 114 are illustrated in direct fluid communication with the bottom portion 124 below the wave suppression plate 120 so that the fluid that is drawn from the fluid storage reservoir is, preferably, the fluid that has the least amount of entrained air.
  • each opening has a cross-sectional area equal to a circle having a diameter of between about 0.1 inches and 0.256 inches and is preferably about 0.16 inches.
  • the combined cross-sectional area of the openings 126 is no less than 50% the combined cross-sectional area of all outlet ports (also referred to as suction ports).
  • the combined cross-sectional area of the openings 126 is no more than 125% the combined cross-sectional area of all outlet ports.
  • the wave suppression plate 120 is positioned between 40 and 140 mm above or below, but more preferably below, the fluid-to-air interface 130 when the fluid storage reservoir 100 and fluid therein are at rest, such as at initial filling of fluid into the system.
  • the plurality of openings 126 are preferably substantially equally spaced.
  • the wave suppression plate 120 is preferably positioned such that no more than 20% of the fluid volume is above the wave suppression plate 120 within the top portion 120 , more preferably, no more than 15%, and even more preferably no more than 10%. Similarly, the wave suppression plate 120 is preferably positioned such that there is a gap between the fluid-to-air interface and the bottom of the plate 120 that is less than 20% of amount of volume of fluid within the tank 102 , more preferably, no more than 15%, and even more preferably no more than 10%.
  • FIG. 3 illustrates a further embodiment of a fluid reservoir 200 according to an embodiment of the present invention.
  • This embodiment includes a wave suppression arrangement 219 that includes a wave suppression plate 220 and a secondary plate 221 .
  • the wave suppression plate 220 includes a pair of enlarged openings 226 configured to allow fluid to transition between top and bottom portions 222 , 224 of the fluid storage cavity 204 .
  • the secondary plate 221 is spaced away from the wave suppression plate 220 and is positioned between the top 206 and the wave suppression plate 220 .
  • the spacing D1 between the wave suppression plate 220 and the secondary plate 221 is such that the fluid that passes from the bottom portion 224 to the top portion 222 of the fluid storage cavity 204 is directed horizontally outward toward the sidewalls 210 of the storage tank 202 , as illustrated by arrows 223 .
  • D1 is no greater than 3 inches, preferably D1 is no greater than 2 inches and even more preferably, D1 is no greater than 1 inch. Further, D1 is preferably sufficiently large to prevent unnecessary back pressure within the bottom portion 224 of the fluid storage cavity 204 . For instance, D1 is configured to prevent fluid to fluidly communicate through openings 226 into the remainder of top portion 222 . Preferably, D1 is at least 1 ⁇ 8 inch, more preferably at least 1 ⁇ 4 inch.
  • both wave suppression plate 220 and secondary plate 221 are mounted such that both components are below the fluid-to-air interface when the system is filled and the fluid is at rest, such as at initial fluid filling of the system. In some embodiments, both components are positioned above the fluid-to-air interface when the fluid is at rest. In other embodiments, the wave suppression plate 220 is located below the fluid-to-air interface and the secondary plate 22 is above the fluid-to-air interface when fluid is at rest. Typically, when this is measured when the fluid is also at a standard temperature of between about 50 and 80 degrees Fahrenheit.
  • the secondary plate 221 extends entirely between two opposed sidewalls 210 of the fluid tank 204 .
  • the two edges 225 of the plate 221 adjacent sides 210 attach the plate 221 to the sidewalls 210 .
  • the two edges 227 of secondary plate 221 that extend between edges 225 are spaced away from adjacent sides 210 to allow fluid to flow into the rest of top portion 224 of the fluid storage cavity 204 .
  • the secondary plate 221 dampens the wave action. It that this change in direction helps reduce the wave action within the tank 202 and helps reduce entrainment of air.
  • the secondary plate 221 it is desired that at least 75% of the surface area of the openings 226 are covered by the secondary plate 221 .
  • the secondary plate 221 completely overlaps all of the surface area of all of the openings 226 .
  • the openings 226 are covered by the secondary plate 221 such that the secondary plate 221 extends outward beyond the periphery of the openings 226 by at least the distance D1.
  • This region is illustrated in dashed lines in FIG. 3 and has a dimension of D2.
  • D2 is greater than or equal to D1.
  • the distance (e.g. dimension D2) the secondary plate 221 extends outward beyond the periphery of each opening is greater than 1 ⁇ 4 inch, more preferably 1 ⁇ 2 inch.
  • FIG. 6 illustrates a further embodiment of a fluid reservoir 300 .
  • This embodiment is similar to the embodiment of FIGS. 3-5 .
  • This embodiment fails to include the secondary plate of the prior embodiment. Instead, this embodiment only includes wave suppression plate 320 that defines openings 326 that permit fluid communication between the top and bottom portions 322 , 324 of the fluid storage cavity 304 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
US15/031,153 2013-10-25 2014-10-24 Reservoir Having Wave Suppression Plate Abandoned US20160251156A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/031,153 US20160251156A1 (en) 2013-10-25 2014-10-24 Reservoir Having Wave Suppression Plate

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361895845P 2013-10-25 2013-10-25
PCT/US2014/062090 WO2015061640A1 (fr) 2013-10-25 2014-10-24 Réservoir comportant une plaque de suppression de remous
US15/031,153 US20160251156A1 (en) 2013-10-25 2014-10-24 Reservoir Having Wave Suppression Plate

Publications (1)

Publication Number Publication Date
US20160251156A1 true US20160251156A1 (en) 2016-09-01

Family

ID=52993592

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/031,153 Abandoned US20160251156A1 (en) 2013-10-25 2014-10-24 Reservoir Having Wave Suppression Plate

Country Status (5)

Country Link
US (1) US20160251156A1 (fr)
EP (1) EP3060499A4 (fr)
CN (1) CN105873835A (fr)
RU (1) RU2016120184A (fr)
WO (1) WO2015061640A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672254A (en) * 1945-08-04 1954-03-16 Chicago Bridge & Iron Co Liquid storage vessel
US3294278A (en) * 1964-10-20 1966-12-27 Gen Motors Corp Fuel tank anti-slosh device
US5918760A (en) * 1996-09-20 1999-07-06 Vickers Incorporated Hydraulic fluid reservoir
US20090078705A1 (en) * 2007-09-21 2009-03-26 Ramsay Thomas N Floating Absorber Assembly for Reduced Fuel Slosh Noise
JP2009107718A (ja) * 2007-11-01 2009-05-21 Toshiba Corp スロッシング抑制装置およびそれを用いたタンク
US20100045017A1 (en) * 2008-08-19 2010-02-25 Rea James Robert Tanks and methods of contstructing tanks

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5444217A (en) * 1977-09-16 1979-04-07 Hitachi Ltd Apparatus to suppress movement of liquid surface in tank provided on sea
JPH04297329A (ja) * 1991-03-27 1992-10-21 Nec Ibaraki Ltd 揺れ防止板付きタンク
JPH1198816A (ja) * 1997-09-25 1999-04-09 Shinko Electric Co Ltd 仕切り板付きタンク
JP4895617B2 (ja) * 2006-01-18 2012-03-14 西松建設株式会社 スロッシング抑制装置
JP2011020693A (ja) * 2009-07-14 2011-02-03 Ihi Corp タンクの共振防止構造
CN103717487B (zh) * 2011-07-26 2016-12-21 三星重工业株式会社 用于制止晃动的装置
JP2013067396A (ja) * 2011-09-21 2013-04-18 Chugoku Electric Power Co Inc:The 貯留タンク
JP5843067B2 (ja) * 2012-04-10 2016-01-13 三菱自動車工業株式会社 車両用燃料タンク

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672254A (en) * 1945-08-04 1954-03-16 Chicago Bridge & Iron Co Liquid storage vessel
US3294278A (en) * 1964-10-20 1966-12-27 Gen Motors Corp Fuel tank anti-slosh device
US5918760A (en) * 1996-09-20 1999-07-06 Vickers Incorporated Hydraulic fluid reservoir
US20090078705A1 (en) * 2007-09-21 2009-03-26 Ramsay Thomas N Floating Absorber Assembly for Reduced Fuel Slosh Noise
JP2009107718A (ja) * 2007-11-01 2009-05-21 Toshiba Corp スロッシング抑制装置およびそれを用いたタンク
US20100045017A1 (en) * 2008-08-19 2010-02-25 Rea James Robert Tanks and methods of contstructing tanks

Also Published As

Publication number Publication date
EP3060499A4 (fr) 2017-08-09
WO2015061640A1 (fr) 2015-04-30
CN105873835A (zh) 2016-08-17
RU2016120184A (ru) 2017-11-27
EP3060499A1 (fr) 2016-08-31

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AS Assignment

Owner name: HELGESEN INDUSTRIES, INC., WISCONSIN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SCHMIDT, MARK;QUANDT, ROBERT;BROMAN, ROBERT E.;AND OTHERS;REEL/FRAME:039052/0221

Effective date: 20160407

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

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