[특허]Distributed piston elastomeric accumulator

Distributed piston elastomeric accumulator 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-055/04 F15B-001/16 B60T-001/10 B60T-007/04 B60T-008/42 F15B-001/04 F16D-061/00
출원번호	US-0012837 (2016-02-01)
등록번호	US-9920775 (2018-03-20)
발명자 / 주소	Barth, Eric J. Tucker, John M.
출원인 / 주소	VANDERBILT UNIVERSITY
대리인 / 주소	Parker Highlander PLLC
인용정보	피인용 횟수 : 0 인용 특허 : 49

초록 ▼

The present invention is a distributed piston elastomeric accumulator which stores energy when its elastomeric member stretches from its original length in response to the flow of a pressurized fluid. The stored energy is returned when the fluid flow is reversed and the accumulator discharges the fluid as its elastomeric member returns to its original length and moves the piston to its initial position. At least one part of the novelty of the invention is that the accumulator is not subject to radial strain gradients and the accumulator allows for precise pressure and linear position measurements. Accordingly, the invention allows for optimization of the energy strain storage capacity of a given elastomer.

대표청구항 ▼

1. An accumulator, comprising: a housing having a first end;a cap attached to the first end of the housing;a first clamp attached to the cap;an elastomeric extendable member having a first end and a second end, the first end being attached to the first clamp, the elastomeric extendable member being within the housing;a second clamp attached to the second end of the elastomeric extendable member;a piston attached to the second clamp, wherein the piston slidably engages the housing; anda working fluid source in fluid communication with the cap, wherein: the elastomeric extendable member defines an opening therethrough along its axis;the elastomeric extendable member isolates the opening therethrough along its axis from the working fluid; andthe piston separates the housing into a first chamber and a second chamber. 2. The accumulator of claim 1, wherein the elastomeric extendable member defines a plurality of openings therethrough along its axis. 3. The accumulator of claim 1, further comprising a tube attached to the working fluid source and the tube being inserted in the opening at the first end of the elastomeric extendable member so that fluid may pass into the opening. 4. The accumulator of claim 1, further comprising the piston defining an opening, wherein the second end of the extension member is received by the opening. 5. The accumulator of claim 4, wherein the second clamp is received by the opening. 6. An accumulator comprising: a tubular housing having a first end;a piston having a first end and a second end, the piston slidably engaging the tubular housing wherein the piston separates the housing into a first chamber and a second chamber;a cap attached to the first end of the tubular housing, wherein the first chamber of the housing is defined by the housing, the cap and first end of the piston so that the volume of the first chamber changes as the position of the piston changes;a first clamp attached to the cap;an elastomeric extendable member having a first end and a second end, the first end being attached to the first clamp; anda second clamp attached to the first end of the piston and the second end of the extendable member, wherein: the elastomeric extendable member defines an opening therethrough along its axis; andwherein the elastomeric extendable member isolates the opening therethrough along its axis from the first chamber. 7. The accumulator of claim 6, wherein the elastomeric extendable member defines a plurality of openings therethrough along its axis. 8. An accumulator, comprising: a housing having a first end, wherein the first end of the housing defines an opening so that working fluid may pass;a first clamp attached to the first end of the housing;an elastomeric extendable member having a first end and a second end, the first end being attached to the first clamp, the extendable member being within the housing, wherein: the elastomeric extendable member defines an opening therethrough along its axis;wherein the elastomeric extendable member isolates the opening therethrough along its axis from the working fluid; andthe piston separates the housing into a first chamber and a second chamber;a second clamp attached to the second end of the extendable member;a piston attached to the second clamp, wherein the piston slidably engages the housing; anda plurality of accumulators arranged in series and in parallel.

이 특허에 인용된 특허 (49)

Sugimura Nobuyuki (308 Mabase Shimizu-Shi ; Shizuoka-ken JPX), Accumulator.
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Goloff C. Nicholas (Secor IL) Rhodes Larry K. (Pekin IL), Accumulator having an internal elastomeric member.
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Mercier Jacques H. (Stamford CT), Accumulator having bladder in expansion limiting contact with casing.
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Rago Giusseppe,CAX, Accumulator/oil tank for journal oil supply.
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Restive Mario John, Backpack sprayer with an expandable accumulator chamber.
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Restive Mario John, Backpack sprayer with an expandable accumulator chamber.
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Restive Mario John (Frankfort NY), Backpack sprayer with an expandable accumulator chamber.
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Sugimura Nobuyuki (308 Mabase ; Shimizu-shi ; Shizuoka-ken JPX), Bladder supporting device in an accumulator.
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Palmers Gran (Askim SEX), Device for applying a liquid or plastic substance.
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Daniel John M. K. ; Cassell Robert L. ; Holtan David J., Distal protection device.
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Kandelman Allen (Granada Hills CA), Distributed accumulator.
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Barth, Eric J.; Pedchenko, Alexander V., Elastic hydraulic accumulator/reservoir system.
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Gill John D. (Annapolis MD), Elastomeric energy recovery system.
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Tangorra Giorgio (Milan ITX) Magnabosco Lino (Milan ITX), Energy accumulator.
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Rose, Kenric B.; Baseley, Simon J., Energy storage system for a hybrid vehicle.
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Jeffry A. Schneider, Float and valve assembly for accumulator.
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Py,Daniel; Ting,Joseph M., Fluid dispenser having a housing and flexible inner bladder.
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Sansevero ; Jr. Vincent J. (East Hartford CT) Skrabal Walter F. (Windsor Locks CT), Fluid medium storage and expulsion apparatus.
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Meisenheimer ; Jr. Daniel T. (404 Longmeadow Road Orange CT 06477), Fluid reservoir device with fill means, level indicator means and pressure relief means.
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Robert H. Thompson ; Michael Joseph Harrigan, Sr. ; Michael William Soltis, Fuel system.
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Tackett Wendell Dean (Ann Arbor MI), Gas charged bladder for low pressure accumulator for vehicular anti-lock braking system.
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Allewitz Murry (Houston TX), Gas-liquid accumulator.
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DeKraker Larry (Holland MI) Thorn Richard P. (Erie PA), Hydraulic chair height adjustment mechanism.
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Knoth Donald E. (3035 Dryden Rd. Dayton OH 45439), Hydraulic control unit for prosthetic leg.
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Albrecht David E. (1383 Granary Road Blue Bell PA 19422), Hydraulic fluid reservoir for a closed hydraulic system.
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Lynn, Alfred Edmund; Rose, Kenric; Baseley, Simon John; Duggan, James A, Hydro-electric hybrid drive system for motor vehicle.
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Greer Edward M. (Beverly Hills CA) Wyle Frank S. (Los Angeles CA) Packer Martin R. (Handforth GB), Hydro-pneumatic flexible bladder accumulator.
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Stroganov, Alexander A.; Sheshin, Leonid O., Hydropneumatic accumulator with a compressible regenerator.
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Michel Robert (Paris FRX), Hydropneumatic energy reservoir for accumulating the braking energy recovered on a vehicle.
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Goloff C. Nickolas, Internal accumulator for hydraulic systems.
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Buckles Richard G. (Redwood City CA) Leeper Harold M. (Mountain View CA) Yum Su Il (Sunnyvale CA) Michaels Alan S. (Atherton CA), Liquid delivery device bladder.
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Jacobellis A. A. (Woodland Hills CA) Zahid Abduz (Los Angeles CA), Low cost accumulator device.
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McCarty Robert S. (Phoenix AZ), Lubrication method and apparatus.
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McCall, Wesley; Christy, Thomas M.; Cooper, David, Mechanical bladder pump.
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Smith, David P., Method and apparatus for managing fluid pressure using an accumulator.
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Binder Richard R. (Menomonee Falls WI) Raduka John M. (Thiensville WI), Method and apparatus for the preparation and installation of battery explosion attenuation material.
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Myles J. Edgar (West Bloomfield MI), Method for making a hydropneumatic accumulator.
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Renaudin Jean Pierre ; Renard Philippe, Method of manufacturing a golf shaft of complex shape by internal bladder pressurization.
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Cornell,Gary L., Multi-function fluid component.
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Allen Donald M. (Pinole CA), Pipeline surge reliever with sanitary barrier.
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Mercier, Jacques H., Pressure vessel having a deformable bladder therein.
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Hoppie Lyle O. (Birmingham MI) Speranza Donald (Canton MI), Prestressed elastomer for energy storage.
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May Denis Ronald William,GBX, Prosthetic foot with means for energy storage and release.
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Restive Mario J. ; Samacki Alexander C., Pump sprayer.
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Restive Mario J. ; Sarnacki Alexander C., Pump sprayer.
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Jacobellis Alfonse A. (Woodland Hills CA), Resistance welded accumulator device.
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Herald ; Jr. Nicholas ; Molina ; Jr. Charles T. ; Murphy James C., Sealing technique for hydropneumatic pressure vessel.
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Brighton Derek Keith,GBX ; Baseley Simon John,GBX, Variable flow pump.
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Mercier Jacques H. (Paris FRX), Variable volume hydropneumatic accumulator.
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