EP1828605A1 - Magnetic pulse pump/compressor system - Google Patents
Magnetic pulse pump/compressor systemInfo
- Publication number
- EP1828605A1 EP1828605A1 EP05853576A EP05853576A EP1828605A1 EP 1828605 A1 EP1828605 A1 EP 1828605A1 EP 05853576 A EP05853576 A EP 05853576A EP 05853576 A EP05853576 A EP 05853576A EP 1828605 A1 EP1828605 A1 EP 1828605A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- recited
- pump system
- passage
- elastic member
- mandrill
- 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.)
- Granted
Links
- 241000282537 Mandrillus sphinx Species 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
- F04B43/09—Pumps having electric drive
-
- 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
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/06—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having tubular flexible members
- F04B45/067—Pumps having electric drive
Definitions
- the present invention relates to a flexible tube pump, and more particularly to a pump with a magnetically collapsible elastomeric member which collapses over a mandrel.
- Reciprocating pumps are highly desirable for use in numerous applications, particularly in environments where liquid flow rate is relatively low and the required liquid pressure rise is relatively high. For applications requiring less pressure rise and greater flow rate, single stage centrifugal pumps are favored because of their simplicity, low cost, and low maintenance requirements.
- Another pump type is a flexible tube pump.
- Such pumps are often used for the transportation and pressurization of sensitive media or for applications in the vacuum field where the achievement of a "Clean" vacuum is relatively important.
- Common forms of pumps with a flexible member are bellows and diaphragm pumps.
- the diaphragm is typically an elastomer forming part of the volume being pumped.
- the mechanism for actuating the flexible member may be by linkage to a motor or by valved compressed air.
- actuators include a magnetically responsive elastic tube stretched onto, thereby sealing to, a shaft with inlet and outlet ports at or adjacent tube ends.
- a magnetic field is generated within the enclosing body. This field is substantially concentric to the tube, which responds by expanding circumferentially towards the magnetic field. This creates a volume between the tube and shaft, the length of the tube outside the influence of the magnetic field remains sealed upon the shaft. Subsequent movement of the magnetic field along the axis of the pump gives transport to the volume and any media enclosed within from the inlet port to the outlet port, whereupon reduction of the magnetic field results in exhaustion of the volume. This cycle results in a pumping action.
- the magnetic pump system includes a ring shaped electric magnet that when pulsed with high voltage and high current, causes an magnetically deflectable elastic member to collapse over a mandrill with an arcuate outer surface. The volume between the arcuate outer surface and the inside of the elastic member is reduced causing compression and expulsion of the fluid therein through a one-way passage system. When the magnetic field subsides, the tube regains its shape drawing fluid in through the one-way passage system.
- the present invention therefore provides an inexpensive flexible tube pump which provides increased pressures.
- Figure 1 is a side view of a pump system according to the present invention.
- Figure 2 is a sectional side view of a pump system with the elastic member in an uncompressed state
- Figure 3 is a top view of a pump system
- Figure 4 is an expanded sectional side view of a manifold for a pump system according to the present invention.
- Figure 5 is a schematic view of a magnetic field for use with the present invention
- Figure 6a is a schematic top view of a single bitter disc in which a multiple thereof forms a magnet for use with the present invention
- Figure 6b is a schematic top view of a magnetic bitter disc showing contact which allows a multiple of stacked bitter discs to form a helical magnetic coil;
- Figure 6c is a schematic top view of a bitter disc showing contact areas which allows a multiple of stacked bitter discs to form a helical magnetic coil;
- Figure 6d is a schematic bottom view of a bitter disc showing a contact area which allow a multiple of stacked bitter discs to form a helical magnetic coil;
- Figure 7 is a side view of a bitter disc stack between a pair of cooling fins
- Figure 8 is a schematic of a control circuit for the pump system according to the present invention.
- Figure 9 is a sectional side view of a pump system with the elastic member in a compressed state.
- FIG. 1 illustrates a general perspective view of a pump assembly 10.
- the pump assembly 10 generally includes a mandrill 12, a magnetically deflectable elastic member 14 mounted about said mandrill 12 and a ring magnet 16 about said deflectable elastic member 14. It should be understood that although the pump assembly 10 is described as a compressor for a gas, other uses such as that of a fluid pump will likewise benefit from the present invention.
- the mandrill 12 defines a longitudinal axis A.
- the mandrill 12 is a generally tubular member with an arcuate outer surface 17 defined about the axis A to form a generally hour-glass shape. More preferably, the outer surface 17 is parabolic.
- a passage system 18 ( Figure 2) having an inlet port 20 and a discharge port 22 are defined within opposed manifolds 24, 26 attached adjacent to each longitudinal end of the mandrill 12.
- the manifolds 24, 26 may be integral to the mandrill 12 or may be separate components, which are attached to the mandrill 12 with fasteners F ( Figure 3) or the like.
- the passage system 18 communicates with a pumping volume V between the arcuate outer surface 17 defined between the arcuate outer surface 17 and the deflectable elastic member 14.
- the passage system 18 includes a multiple of longitudinal passage 18a, 18b (two shown) which are radially located about the axis A. It should be understood that a multiple of passages are radially disposed about axis A even though only passages 18a, 18b are illustrated in the cross-section of Figure 2.
- a single central passage 18c located on axis A with passage branches 18d which extend off of axis A and communicate with the arcuate outer surface 17 are additionally provided to further increase fluid throughput. It should be understood that various passage paths may be used with the present invention.
- Each passage 18a-18c of the passage system 18 includes a one-way check valve 28 such that fluid will only flow from inlet port 20 to the discharge port 22.
- Each passage is essentially segmented into an input portion, which feeds into volume V, and a discharge portion which feeds from the volume V. The input and discharge portions need not be linearly aligned.
- Each check valve 28 is preferably threaded into the inner diameter of the passages 18a- 18c, however, other mounting arrangements may also be utilized.
- the magnetically deflectable elastic member 14 is preferably a tubular rubber material impregnated with conductor or magnetic materials. Alternately, flexible electrically conductive strips such as copper plated spring steel strips or wires are mounted around the tube.
- the deflectable elastic member 14 is mounted to the mandrill 12 adjacent each manifold 24, 26 through an annular clamp ring 30.
- the clamp ring 30 includes a wedge shape 32 which corresponds to a mandrill wedge shape section 34 along each rim 36 thereof.
- the clamp ring 30 is attached to the mandrill 12 though fasteners F (also illustrated in Figure 4) such as bolts. As the fasteners F are threaded into the clamp ring 30 the clamp ring 30 clamps the deflectable elastic member 14 to the mandrill wedge shape section 34.
- the ring magnet 16 is preferably a ring magnet which generates a field that is parabolic in shape ( Figure 5) to correspond to the arcuate outer surface 17 of the mandrill 12.
- the magnet may be manufactures as a winding of wire around a spool, however, magnets made of discs commonly known as bitter discs 38, are preferred.
- the bitter discs 38 are stamped out of copper or aluminum of a thickness which depends on the current carrying capability and rigidity required.
- An insulator is stamped out of a thin sheet of insulation, typically fiberglass.
- Several of these disc and insulator sections are interleaved to form a helix or coil by contact with the adjacent discs ( Figure 7).
- a contact area C on one side of each bitter disc 38 provides contact with an interference area C 2 on the opposite side of the next bitter disc 38 ( Figure 6B) therebetween while the insulator prevents the discs 38 from touching except at the interface I.
- Each bitter disc 38 is rotated relative to the adjacent disc so that each contact area C on one side of a bitter disc 38 contacts the contact area C 2 on an opposite side of the adjacent bitter disc 38. That is, the contact areas Ci, C 2 on a single bitter disc are radially displaced and on opposite sides of each bitter disc 38.
- a continuous helical coil of bitter discs is formed. After the discs are stacked, they are clamped together with a multiple of tie bolts 40 or the like ( Figure 7).
- a cooling fin 42 may also be located at each end of the bitter disc stack.
- a power supply and control circuit 44 to drive the ring magnet 16 is schematically illustrated.
- the AC power source is stepped up to a higher voltage by a transformer.
- the AC switch connects the incoming power to a bridge rectifier.
- the DC switch connects the capacitor to the ring magnet 16.
- the switches may be SCR's, IGBT transistors and/or other semiconductor devices. Control logic controls the charging of the capacitor and the discharge of the capacitor into the ring magnet 16.
- This control circuit 44 is preferably a single phase supply, however, a polyphase supply may be used by replacing the transformer and bridge with a poly-phase transformer and bridge. Depending on the incoming voltage and desired DC voltage the transformer may not be required. For example, if the incoming power is 480V AC the DC voltage will be about 700V. If the switches are designed to handle these voltages no transformer would be required.
- the control sequence of operation is generally as follows: 1) initially AC and DC switches are open; 2) the AC switch is closed and the capacitor charged for time Tl; 3) the AC switch is opened; 4) the DC switch is closed discharging the capacitor into the ring magnet; and 5) the DC switch is opened for time T2.
- Time Tl determines the capacitor charge. By varying this time the pressure that the pump 10 develops is controlled. T2 determines the frequency of cycles. T2 is preferably a time which allows the deflectable elastic member 14 to regain shape. Higher frequency of operation may be obtained by pressurizing the inlet port 20 with a first stage pump or compressor. This will allow the deflectable elastic member 14 to regain shape faster after being collapsed. Alternatively, or in addition the magnet may be reversed to essentially pull the deflectable elastic member 14 back to the uncollapsed shape ( Figure 2). The first stage pump or compressor may be of a much lower pressure than the pump system 10.
- One magnet has been illustrated for simplicity of explanation, however, multiple magnets are preferably utilized to produce a greater flow velocity.
- the magnets are fired in sequence from inlet port to discharge port.
- the advantage is that as one magnet is firing the firing circuit of the others can be charging.
- the deflectable elastic member may extend beyond the inlet and discharge such that if the deflectable elastic member is extended from the inlet to the source and from the discharge to the destination a totally lead free system is achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/009,802 US20060127247A1 (en) | 2004-12-10 | 2004-12-10 | Magnetic pulse pump/compressor system |
PCT/US2005/044694 WO2006063267A1 (en) | 2004-12-10 | 2005-12-09 | Magnetic pulse pump/compressor system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1828605A1 true EP1828605A1 (en) | 2007-09-05 |
EP1828605B1 EP1828605B1 (en) | 2010-02-24 |
Family
ID=36102664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05853576A Expired - Fee Related EP1828605B1 (en) | 2004-12-10 | 2005-12-09 | Magnetic pulse pump/compressor system |
Country Status (10)
Country | Link |
---|---|
US (1) | US20060127247A1 (en) |
EP (1) | EP1828605B1 (en) |
JP (1) | JP4866859B2 (en) |
CN (1) | CN101087957B (en) |
AU (1) | AU2005313898B2 (en) |
BR (1) | BRPI0518888A2 (en) |
CA (1) | CA2591338C (en) |
DE (1) | DE602005019619D1 (en) |
MX (1) | MX2007006935A (en) |
WO (1) | WO2006063267A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7748664B2 (en) * | 2006-08-23 | 2010-07-06 | Lockheed Martin Corporation | High performance synthetic valve/pulsator |
US7673877B2 (en) * | 2006-10-31 | 2010-03-09 | Terry Ruddell | Pneumatic game |
CA2566249C (en) * | 2006-10-31 | 2016-08-23 | Terry Ruddell | Pneumatic game |
US7931572B1 (en) * | 2009-12-04 | 2011-04-26 | Kyler Ross Glauser | Resistance exercise device |
CN104005940A (en) * | 2013-02-27 | 2014-08-27 | 李军 | Bladeless fan |
DE102013221744B4 (en) * | 2013-10-25 | 2019-05-16 | Eberspächer Climate Control Systems GmbH & Co. KG | Pump, in particular for conveying liquid fuel for a vehicle heater |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB516604A (en) * | 1937-07-06 | 1940-01-05 | Heinrich List | Improvements in or relating to fluid pump, fan, compressor and like devices |
GB1332079A (en) * | 1971-07-15 | 1973-10-03 | Pedrick A P | Electromagnetically operated tubular pump |
GB1470388A (en) * | 1973-05-21 | 1977-04-14 | Rca Corp | Fluid control or ejection device |
DE2601831C3 (en) * | 1975-01-31 | 1979-08-02 | Jan Edvard Nacka Persson (Schweden) | pump |
JPS532702A (en) * | 1976-06-30 | 1978-01-11 | Oki Electric Ind Co Ltd | Impulse pump |
JPS5360704A (en) * | 1976-11-12 | 1978-05-31 | Chukyo Electric Co | Tubular diaphragm pumps |
JPS5932671B2 (en) * | 1980-10-31 | 1984-08-10 | 寿美男 安藤 | pump |
DE3333835A1 (en) * | 1983-09-20 | 1985-04-25 | Helmut 2420 Eutin Krueger-Beuster | Peristaltic travelling wave drive |
FR2581760B1 (en) * | 1985-05-10 | 1987-06-12 | Thomson Cgr | SOLENOIDAL MAGNET WITH HIGH HOMOGENEITY OF MAGNETIC FIELD |
JPH0348004A (en) * | 1989-07-11 | 1991-03-01 | Bridgestone Corp | Double-acting type actuator |
US5273406A (en) * | 1991-09-12 | 1993-12-28 | American Dengi Co., Inc. | Pressure actuated peristaltic pump |
GB2314591B (en) * | 1996-06-26 | 1999-10-27 | Poss Limited | Flexible tube pump |
FR2753236B1 (en) * | 1996-09-10 | 1998-12-04 | Conseilray Sa | MINIATURE PERISTALTIC PUMP |
AU738582B2 (en) * | 1997-01-17 | 2001-09-20 | Niagara Pump Corporation | Linear peristaltic pump |
JP4106119B2 (en) * | 1997-12-26 | 2008-06-25 | 株式会社オーディオテクニカ | Dynamic microphone |
US6164921A (en) * | 1998-11-09 | 2000-12-26 | Moubayed; Ahmad Maher | Curvilinear peristaltic pump having insertable tubing assembly |
US6215221B1 (en) * | 1998-12-29 | 2001-04-10 | Honeywell International Inc. | Electrostatic/pneumatic actuators for active surfaces |
US6267570B1 (en) * | 1999-02-16 | 2001-07-31 | Arne D. Armando | Peristaltic pump |
US6074179A (en) * | 1999-05-10 | 2000-06-13 | The United States Of America As Represented By The Secretary Of The Navy | Magnetostrictive peristaltic pump |
US6179586B1 (en) * | 1999-09-15 | 2001-01-30 | Honeywell International Inc. | Dual diaphragm, single chamber mesopump |
JP2002070748A (en) * | 2000-08-31 | 2002-03-08 | Hitachi Ltd | Tube pump and analizing device using tube pump |
US6626416B2 (en) * | 2000-12-12 | 2003-09-30 | Eastman Kodak Company | Electrostrictive valve for modulating a fluid flow |
US6637723B1 (en) * | 2001-09-06 | 2003-10-28 | Entegris, Inc. | Fluid valve |
-
2004
- 2004-12-10 US US11/009,802 patent/US20060127247A1/en not_active Abandoned
-
2005
- 2005-12-09 BR BRPI0518888-1A patent/BRPI0518888A2/en not_active IP Right Cessation
- 2005-12-09 DE DE602005019619T patent/DE602005019619D1/de active Active
- 2005-12-09 CN CN2005800423486A patent/CN101087957B/en not_active Expired - Fee Related
- 2005-12-09 AU AU2005313898A patent/AU2005313898B2/en not_active Ceased
- 2005-12-09 JP JP2007545679A patent/JP4866859B2/en not_active Expired - Fee Related
- 2005-12-09 MX MX2007006935A patent/MX2007006935A/en active IP Right Grant
- 2005-12-09 EP EP05853576A patent/EP1828605B1/en not_active Expired - Fee Related
- 2005-12-09 CA CA2591338A patent/CA2591338C/en not_active Expired - Fee Related
- 2005-12-09 WO PCT/US2005/044694 patent/WO2006063267A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2006063267A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2005313898A1 (en) | 2006-06-15 |
DE602005019619D1 (en) | 2010-04-08 |
WO2006063267A1 (en) | 2006-06-15 |
CN101087957B (en) | 2012-06-27 |
EP1828605B1 (en) | 2010-02-24 |
MX2007006935A (en) | 2008-01-21 |
CA2591338A1 (en) | 2006-06-15 |
JP2008523311A (en) | 2008-07-03 |
US20060127247A1 (en) | 2006-06-15 |
JP4866859B2 (en) | 2012-02-01 |
BRPI0518888A2 (en) | 2008-12-16 |
CA2591338C (en) | 2010-05-11 |
AU2005313898B2 (en) | 2009-08-27 |
CN101087957A (en) | 2007-12-12 |
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