WO2007085091A1 - Appareil de génération d'hydrogène avec amortissement de vibrations - Google Patents

Appareil de génération d'hydrogène avec amortissement de vibrations Download PDF

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Publication number
WO2007085091A1
WO2007085091A1 PCT/CA2007/000124 CA2007000124W WO2007085091A1 WO 2007085091 A1 WO2007085091 A1 WO 2007085091A1 CA 2007000124 W CA2007000124 W CA 2007000124W WO 2007085091 A1 WO2007085091 A1 WO 2007085091A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydrogen generating
generating assembly
container
housing
terminal
Prior art date
Application number
PCT/CA2007/000124
Other languages
English (en)
Inventor
John Charles Muir
Luka Debravko Leko
Jane-Chantilly Fabros Hernandez
Original Assignee
Hy-Drive Technologies Ltd.
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 Hy-Drive Technologies Ltd. filed Critical Hy-Drive Technologies Ltd.
Publication of WO2007085091A1 publication Critical patent/WO2007085091A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • 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
    • B60K15/10—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 concerning gas-producing plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
    • F02M25/12—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone the apparatus having means for generating such gases
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention is directed to a hydrogen generating apparatus and, in particular, a hydrogen generating apparatus for a motor vehicle.
  • Hydrogen generating apparatus have been used on motor vehicles to supplement the fuel used to drive the vehicle.
  • the use of hydrogen as a supplemental fuel in motor vehicle engines has been proposed to increase the performance of the engine.
  • Hydrogen and oxygen when used as part of the air/fuel mixture for the operation of the engine, have been found to increase the performance of the engine by increasing the mileage and by reducing the amount of emissions from the engine.
  • the hydrogen and oxygen may be generated through electrolysis of an aqueous solution with the gases given off being mixed with the charge of fuel and air supplied to the engine.
  • a hydrogen generating apparatus comprising: a housing, an electrolysis cell within the housing, the electrolysis cells each including a container and a plurality of electrodes in the container capable of generating hydrogen from an electrolyte when an electrical current is passed therethrough; a component connector acting between a first member of the hydrogen generating apparatus and a second member at least associated with the hydrogen generating apparatus, the component connector including a structural fastening member to secure the first member to the second member and a shock absorbing member in association with the structural fastening member to damp vibration from the first member to the second member.
  • Figure IA is a perspective view of a hydrogen generating apparatus with its housing removed;
  • Figure IB is an exploded perspective view of a hydrogen generating apparatus according to the present invention.
  • Figure 2A is a sectional view through a mounting configuration useful in the present invention and for hydrogen generating apparatus generally;
  • Figure 2 B is an exploded perspective view showing an installation option useful in the present invention and for hydrogen generating apparatus generally;
  • FIG 3 is a schematic view of a component connector useful in the present invention and for hydrogen generating apparatus generally;
  • Figure 4 is a perspective view of a pair of electrolysis electrode assemblies including electrode terminal connections according to one aspect of the present invention. The electrode assemblies are shown with their cell container sidewalls removed, but mounted on the cell's mounting base; and
  • Figure 5 is perspective view of an electrolysis electrode assembly with one of its terminals shown in exploded form.
  • a hydrogen generating apparatus includes three main groups of components: electrolysis cells 36 in which hydrogen gas generation occurs from a electrolyte solution by an electrolysis process conducted through electrodes; auxiliary devices (some of which are shown at 38) for example, any or all of controlling apparatus operation, gas treatment, controlling the characteristics of the conveyed gas, mounting components, etc.; and conduits (a portion of which are shown at 40) for conducting generated gas from the cells to the engine.
  • Devices 38 may include, for example, any or all of a pressure switch 38a, a filter 38b, a flame arrestor, a controller, a power converter, a heater, an electrical bracket 38c, an electrical cover 38d including a control panel 132, etc.
  • a hydrogen generating apparatus housing 30a may contain cells 36 and at least a portion of the devices 38 and conduits 40 for the overall apparatus.
  • a hydrogen generating apparatus may be removably or permanently mounted to an installation frame or to a part of a motor vehicle in various ways. A reality of the use of such hydrogen generating systems is that they undergo significant vibration when on the vehicle. It has been determined that such vibration may cause premature component failure in a hydrogen generating system.
  • component connectors may be used in the hydrogen generating apparatus that include a structural fastening member and a shock absorbing member in association with the structural fastening member to damp the effect of vibration from the vehicle to the hydrogen generating components.
  • the structural fastening member and the shock absorbing member may act between a first member of the apparatus and a second member at least associated with the hydrogen generating apparatus, for example on any of the apparatus or the vehicle mounting support for the apparatus.
  • a combination of a structural fastening member and a shock absorbing member may be used for securing together components of the hydrogen generating apparatus.
  • a mounting configuration may be used that includes a structural fastening member 60 secured between housing 130 of a hydrogen generating apparatus 228 and the point of installation, in this case installation frame 112, and a shock absorbing member 62 disposed between housing 130 and the point of installation.
  • the shock absorbing member may be positioned adjacent or about the structural fastening member.
  • shock absorbing member 62 is positioned as an elastomeric sleeve about the structural fastening member to act between housing 130 and frame 1 12.
  • shock absorbing member 62 includes an extension 64 acting between frame 112 and structural fastening member 62 to also absorb shock therebetween.
  • Structural fastening member 60 is formed to secure housing 130 to frame 112 even without the use of the shock absorbing member such that should the shock absorbing member become deteriorated or break away, housing 130 will remain connected to the point of installation.
  • structural fastening member 60 includes a steel bolt 66 connected, as by threaded engagement, abutment welding etc. to housing 130.
  • Bolt 66 extends through an aperture 68 in frame 112 and a washer 70 and bolt 72 are threaded onto the end of bolt 66 to secure it through aperture 68.
  • a rubber washer 65 provides further shock abso ⁇ tion between washer 70 and frame 1 12.
  • shock absorbing member 62 and washer 65 could be formed as a one piece item, if desired, although installation may be more difficult than the multiple piece configuration as shown.
  • a housing 130a may include a plurality of external legs 80 secured thereto, as by each including a bolt passing through an aperture in the housing and engaging the leg. The bolts and apertures cannot be seen in any view.
  • a lower bolt 82 may pass through washers 70, 70a, a shock absorbing rubber washer 65a and a shock absorbing rubber sleeve 62a before threading into each leg.
  • the inner diameter 83 of rubber sleeve 62a may be formed frustoconically to, for example, facilitate insertion of leg 80 therein.
  • the housing has four legs attached but the shock absorbing and installation assembly for the back rear leg is omitted in the drawing for simplification.
  • FIG. 3 and 4 illustrate such connections in the hydrogen generating apparatus.
  • failures by vibration deterioration sometimes occur between the electrical terminals and the electrodes.
  • the structural fastening member may, for example, be an electrode terminal 84 connected between a portion 46a of an electrolysis cell and a portion of an electrode 86.
  • terminal 84 may extend from a mounting position on the cell case 46a to the electrode to thereby conduct electricity from a source 89 to the electrode.
  • the terminal at one end may extend through and have a mounting connection to the cell container such as its base 46a and at its opposite end may be connected to electrode 86, as by a weld, a rivet, a treaded fastener, etc.
  • Vibration in such an arrangement may either jeopardize the terminal's mount in the base, which may cause the terminal to become loosened from its mounting position through mounting port 85 or may cause leakage between the terminal and the base past sealing rings 87.
  • vibration may cause the terminal to become disconnected from the electrode or may cause either or both of the terminal and the electrode to wear and fail adjacent the connection therebetween.
  • a shock absorber such as an elastomeric sleeve 88 may be positioned to damp vibration between the cell, the terminal and the electrode.
  • a shock absorber may be positioned to damp vibration along one or both of the anode and cathode terminals.
  • springs 88a, 88b are positioned about terminals 84a, 84b to apply force axially outwardly at the two ends of the terminal.
  • Springs 88a, 88b thus tend to hold their respective terminals in tension between their mounts in indents 46d in base 46a, which focus the lower limits of cell container, and their connections to contact tabs 86c, 86d from electrodes 86a, 86b, respectively, to damp vibration passing through the terminals.
  • springs are shown, they could be replaced about or adjacent the terminal by an elastomeric member or other member able to withstand extended contact with the electrolyte while providing a shock absorbing effect.
  • a terminal 84b may be installed through a hole 85 in its mounting base and o-rings 87 or other seals may be installed to seal about the terminal and the hole.
  • terminal post 84b' is positioned within the electrolysis cell container walls with spring 88b installed thereabout and terminal base end 84b" is positioned external to the container walls open for contact to an electrical conductor (not shown).
  • electrode tab 86d is secured between terminal post 84b' and a threaded fastener 90 that threads into opening 91.
  • Spring 88b generates a force biasing tab 86d away from base 46a and therethrough tends to reduce the adverse effects of vibration that would otherwise tend to drive the tab up and down with terminal 84b relative to base 46a.
  • connections may include, for example, the connection between components in filter 38b, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

L'invention concerne un appareil de génération d'hydrogène comprenant : un boîtier et une cellule d'électrolyse dans le boîtier, les cellules d'électrolyse comprenant chacune un récipient et une pluralité d'électrodes dans le récipient susceptible de générer de l'hydrogène à partir d'un électrolyte lorsqu'un courant électrique le traverse. L'appareil de génération d'hydrogène comprend en outre : un connecteur de composant agissant entre un premier élément de l'appareil de génération d'hydrogène et un second élément au moins associé à l'appareil de génération d'hydrogène, le connecteur de composant comprenant un élément de fixation structurel pour attacher le premier élément au second élément et un élément d'absorption de choc en association avec l'élément de fixation structurel pour amortir les vibrations du premier élément au second élément.
PCT/CA2007/000124 2006-01-27 2007-01-29 Appareil de génération d'hydrogène avec amortissement de vibrations WO2007085091A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,534,420 2006-01-27
CA002534420A CA2534420A1 (fr) 2006-01-27 2006-01-27 Systemes de reduction des dommages causes par les vibrations dans un dispositif generateur d'hydrogene

Publications (1)

Publication Number Publication Date
WO2007085091A1 true WO2007085091A1 (fr) 2007-08-02

Family

ID=38308809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2007/000124 WO2007085091A1 (fr) 2006-01-27 2007-01-29 Appareil de génération d'hydrogène avec amortissement de vibrations

Country Status (2)

Country Link
CA (2) CA2534420A1 (fr)
WO (1) WO2007085091A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018189410A1 (fr) * 2017-05-12 2018-10-18 H2B2 Electrolysis Technologies, S.L. Connexion pour un empilement d'électrolyseur adapté aux atmosphères explosives

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2534420A1 (fr) * 2006-01-27 2007-07-27 Hy-Drive Technologies Ltd. Systemes de reduction des dommages causes par les vibrations dans un dispositif generateur d'hydrogene

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1074252A (fr) * 1974-04-01 1980-03-25 Erwin A. Kaestner Systeme de desinfection par vaporisation a generatrice electrolytique
US20030024489A1 (en) * 2001-01-19 2003-02-06 Gabi Balan Hydrogen generating apparatus and components therefor
CA2538922A1 (fr) * 2005-08-02 2007-02-02 Hy-Drive Technologies Ltd. Appareil de production d'hydrogene

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1074252A (fr) * 1974-04-01 1980-03-25 Erwin A. Kaestner Systeme de desinfection par vaporisation a generatrice electrolytique
US20030024489A1 (en) * 2001-01-19 2003-02-06 Gabi Balan Hydrogen generating apparatus and components therefor
CA2538922A1 (fr) * 2005-08-02 2007-02-02 Hy-Drive Technologies Ltd. Appareil de production d'hydrogene

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Shock and Vibration Damping Components: Catalog V100", ADVANCED ANTIVIBRATION COMPONENTS, 2004, Retrieved from the Internet <URL:http://www.vibrationmounts.com> *
PAMLEY R.O.: "Illustrated Sourcebook of Mechanical Components", 2000, MCGRAW-HILL, ISBN: 0-07-048617-4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018189410A1 (fr) * 2017-05-12 2018-10-18 H2B2 Electrolysis Technologies, S.L. Connexion pour un empilement d'électrolyseur adapté aux atmosphères explosives

Also Published As

Publication number Publication date
CA2534420A1 (fr) 2007-07-27
CA2538922A1 (fr) 2007-02-02

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