Patents by Inventor Douglas J. Wheeler
Douglas J. Wheeler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6038939Abstract: A modular single lever control which shares common components consisting of plastic can be heat fused and or snapped together. A common base component (12) has opening (22) which receive male projections (20) from side components (14 and 16). In addition, cantilevered male projections (24) extend laterally from side components (14 and 16) and into overlapping portions with the snap-together connections (26) disposed in the overlapping portions for holding the side components (14 and 16) together. The detent side component (14) includes detents (44) to coact with a detent roller (58). Alternatively (144) are presented in a flange extending from the centrally disposed lever subassembly (18) to coact with a roller (158) supported from the second side component (16). A pair of opposing stub shafts (28) extend in a cantilevered fashion from lower bridge (36) of the side components for rotatably supporting the single lever subassembly (18).Type: GrantFiled: June 25, 1998Date of Patent: March 21, 2000Assignee: Teleflex IncorporatedInventor: Douglas J. Wheeler
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Patent number: 6016717Abstract: An electric shift apparatus (10) for shifting a vehicle transmission assembly (12) includes a mounting structure (20) adapted to be mounted to a transmission housing (22), an electric motor (24) supported by the mounting structure (20), and a drive assembly (26) operably driven by the electric motor (24). The apparatus (10) further includes a core element (28) movably supported by the mounting structure (20) and a guide (30) for guiding the core element (28). A terminal (32) is slidably disposed in the guide (30) and connected to the core element (28). A shift lever (34) is movable between a plurality of shift positions and connected to the terminal (32) for shifting a transmission. The apparatus (10) is characterized by the core element (28) comprising a helical cable (36) which is driven by the drive assembly (26) for linear actuation of the shift lever (34). The helical cable (36) is comprised of a filamentous member (38) and a core member (40) that defines a longitudinal axis (42).Type: GrantFiled: May 18, 1998Date of Patent: January 25, 2000Assignee: Teleflex IncorporatedInventor: Douglas J. Wheeler
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Patent number: 6016049Abstract: The invention provides a method of and an implementing assembly for shifting the transmission 12 of a vehicle having a battery 24 between park and various shift positions with a reversible motor 10 by supplying electrical energy from the battery 24 to the motor 10 to shift the transmission 12 in response to a shift selection 14 and characterized by storing electrical energy in a super capacitor 20 and transmitting that electrical energy stored in the capacitor 20 to the motor 10 for actuating the motor 10. The capacitor is placed in parallel with the battery 24 for charging the capacitor and in series with the battery 24 and the motor 10 to transmit the stored energy of the capacitor to the motor 10. The capacitor 20 stores sufficient electrical energy to actuate the motor 10 independently of the battery 24.Type: GrantFiled: June 24, 1998Date of Patent: January 18, 2000Assignee: Teleflex IncorporatedInventors: James Baughman, Douglas J. Wheeler
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Patent number: 5840414Abstract: Solid polymer membrane fuel cell product water which forms on the oxidant side of the membrane is removed from the active area of the cells in a fuel cell power plant by being absorbed into and wicked away from the active area by a porous carbon body which contacts the membrane. The carbon body may be an oxidant reactant flow field plate. The pores in the carbon body are partially filled with metal oxide granules which impart increased wettability and water absorption capacity to the carbon body.Type: GrantFiled: November 15, 1996Date of Patent: November 24, 1998Assignee: International Fuel Cells, Inc.Inventors: John A. S. Bett, Douglas J. Wheeler, Calvin Bushnell
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Patent number: 5017217Abstract: A method for manufacturing ceramic/metal or ceramic/ceramic composite articles is disclosed. The articles can be useful for the production of aluminum in fused salt electrolysis cells, as armor plates for the protection against projectiles, cutting tools, or in abrasion resistance applications. The temperature slope of the process if optimized such that one of the reactants in the manufacturing proceeds through peritectic decomposition at a heating rate of low temperature increase for desirably uniform temperature distribution over the reaction mixture. Then the temperature increase is greatly elevated to obtain a reaction sintering condition for avoiding grain growth of undesired reaction products. Elevated temperature reaction sintering conditions can be maintained to decompose undesired components before they are entrapped by the reaction product.Type: GrantFiled: August 21, 1990Date of Patent: May 21, 1991Assignee: Eltech Systems CorporationInventors: Thomas M. Clere, Gholamreza J. Abbaschian, Douglas J. Wheeler, Albert L. Barnes
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Patent number: 4961902Abstract: A method for manufacturing ceramic/metal or ceramic/ceramic composite articles is disclosed. The articles can be useful for the production of aluminum in fused salt electrolysis cells, as armour plates for the protection against projectiles, cutting tools, or in abrasion resistance applications. The temperature slope of the process if optimized such that one of the reactants in the manufacturing proceeds through peritectic decomposition at a heating rate of low temperature increase for desirably uniform temperature distribution over the reaction mixture. Then the temperature increase is greatly elevated to obtain a reaction sintering condition for avoiding grain growth of undesired reaction products. Elevated temperature reaction sintering conditions can be maintained to decompose undesired components before they are entrapped by the reaction product.Type: GrantFiled: January 6, 1987Date of Patent: October 9, 1990Assignee: Eltech Systems CorporationInventors: Thomas M. Clere, Gholamreza J. Abbaschian, Douglas J. Wheeler, Albert L. Barnes
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Patent number: 4876941Abstract: A composite for protection against armor-piercing projectiles is disclosed. The composite can be a ceramic composite which may be utilized alone or with other materials, e.g., a metallic or plastic base or substrate layer. Composites of AlN with TiB.sub.2, SiC, B.sub.4 C or their mixtures are utilized. These ceramic composites can be prepared by hot pressing, reaction hot pressing, hot isostatic pressing or pressureless sintering. The composite may have well dispersed grains for at least one component, which grains can be interconnected with grains of the second component, and the grains may be of a size less than about five microns. The composite in layer form can have a metallic cover layer.Type: GrantFiled: December 31, 1987Date of Patent: October 31, 1989Assignee: Eltech Systems CorporationInventors: Albert L. Barnes, Thomas M. Clere, Gholamreza J. Abbaschian, Douglas J. Wheeler
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Patent number: 4788764Abstract: A battery assembly of the consumable metal anode type has now been constructed for ready assembly as well as disassembly. In a non-conductive and at least substantially inert cell body, space is provided for receiving an open-structured, non-consumable anode cage. The cage has an open top for facilitating insertion of an anode. A modular cathode is used, comprising a peripheral current conductor frame clamped about a grid reinforced air cathode in sheet form. The air cathode may be double gridded. The cathode frame can be sealed, during assembly, with electrolyte-resistant-sealant as well as with adhesive. The resulting cathode module can be assembled outside the cell body and readily inserted therein, or can later be easily removed therefrom.Type: GrantFiled: January 26, 1988Date of Patent: December 6, 1988Assignee: Eltech Systems CorporationInventors: Marilyn J. Niksa, Gerald R. Pohto, Leslie K. Lakatos, Douglas J. Wheeler, Frank Solomon, Andrew J. Niksa, Thomas J. Schue, Yury Genodman, Thomas R. Turk, Daniel P. Hagel
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Patent number: 4756980Abstract: A battery assembly of the consumable metal anode type has now been constructed for ready assembly as well as disassembly. In a non-conductive and at least substantially inert cell body, space is provided for receiving an open-structured, non-consumable anode cage. The cage has an open top for facilitating insertion of an anode. A modular cathode is used, comprising a peripheral current conductor frame clamped about a grid reinforced air cathode in sheet form. The air cathode may be double gridded. The cathode frame can be sealed, during assembly, with electrolyte-resistant-sealant as well as with adhesive. The resulting cathode module can be assembled outside the cell body and readily inserted therein, or can later be easily removed therefrom.Type: GrantFiled: June 22, 1987Date of Patent: July 12, 1988Assignee: Eltech Systems CorporationInventors: Marilyn J. Niksa, Gerald R. Pohto, Leslie K. Lakatos, Douglas J. Wheeler, Andrew J. Niksa, Thomas J. Schue, Thomas R. Turk
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Patent number: 4737253Abstract: In an aluminium reduction cell including a cell lining and embedded therein at least one cathode current collector including a high temperature section comprising an electrically conducting refractory material such as titanium diboride, generally in conjunction with molten aluminium metal, corrosion is a problem. The invention provides a substance to protect the collector section. The substance may be a liquid impermeable layer e.g. particulate material impregnated with a molten fluoride-or chloride-containing salt mixture; for a getter such as particulate aluminium to react chemically with gaseous corrosive species. Combinations of these substances may be used, optionally in conjunction with a solid layer such as an alumina or aluminium metal tube.Type: GrantFiled: August 13, 1986Date of Patent: April 12, 1988Assignee: Alcan International LimitedInventors: Adam J. Gesing, David N. Mitchell, Peter A. Wales, Douglas N. Reesor, Ernest W. Dewing, Douglas J. Wheeler, Donald L. De Respiris, Joseph K. Walker
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Patent number: 4693946Abstract: A battery assembly of the consumable metal anode type has now been constructed for ready assembly as well as disassembly. In a non-conductive and at least substantially inert cell body, space is provided for receiving an open-structured, non-consumable anode cage. The cage has an open top for facilitating insertion of an anode. A modular cathode is used, comprising a peripheral current conductor frame clamped about a grid reinforced air cathode in sheet form. The air cathode may be double gridded. The cathode frame can be sealed, during assembly, with electrolyte-resistant-sealant as well as with adhesive. The resulting cathode module can be assembled outside the cell body and readily inserted therein, or can later be easily removed therefrom.Type: GrantFiled: March 11, 1986Date of Patent: September 15, 1987Assignee: ELTECH Systems CorporationInventors: Marilyn J. Niksa, Gerald R. Pohto, Leslie K. Lakatos, Douglas J. Wheeler, Andrew J. Niksa, Thomas J. Schue
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Patent number: 4612103Abstract: An aluminium reduction cell includes an anode 10, electrolyte 12, a cathode 14, a potlining 16 which may be of alumina and cathode current collectors embedded therein. The collectors include a section comprising a major proportion by volume of bodies 22, e.g. of titanium diboride or a TiB.sub.2 /Al cermet, joined or surrounded by aluminium, the section being so positioned that the aluminium is at least partly fluid when the cell is in operation. The bodies, which are preferably close-packed, may be cubic or cuboid or in the form of sheets or thin slabs arranged with their major faces parallel to one another and to the axis of the collector section. The collectors show good electrical conductivity together with satisfactory resistance to magnetic stirring and impact and transverse forces.Type: GrantFiled: November 28, 1984Date of Patent: September 16, 1986Assignee: Alcan International LimitedInventors: Ernest W. Dewing, Adam J. Gesing, Thomas J. Hudson, Louis J. Manfredo, Douglas J. Wheeler, William R. Bennett, Thomas M. Clere
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Patent number: 4600481Abstract: A component for an aluminum production cell comprising a refractory matrix having a rigid porous structure substantially filled with aluminum.Type: GrantFiled: December 30, 1982Date of Patent: July 15, 1986Assignee: Eltech Systems CorporationInventors: Ajit Y. Sane, Douglas J. Wheeler, Dan Gagescu, Pierre E. Debely, Iudita L. Adorian, Jean-Pierre Derivaz
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Patent number: 4560448Abstract: A method for rendering an aluminum electrowinning cell component fabricated from an aluminum nonwettable material wettable by molten aluminum, and therefore utilizable within the cell. Under the method, the component is coated with titanium and boron, and while the component is immersed in molten aluminum within the cell, the molten aluminum is maintained near saturation with boron and titanium.Type: GrantFiled: June 17, 1983Date of Patent: December 24, 1985Assignee: ELTECH Systems CorporationInventors: Ajit Y. Sane, Douglas J. Wheeler, Charles S. Kuivila
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Patent number: 4552630Abstract: A substantially non-consumable anode used in the production of aluminium from a cryolite-based fused bath containing alumina consists of a sintered self-sustaining ceramic oxide body of spinel structure which is made conductive by selective partial substitution, the introduction of non-stoichiometry or by doping so as to maintain the impurities in the produced aluminium at low levels. Preferred materials are partially-substituted nickel ferrite spinels.Type: GrantFiled: July 24, 1981Date of Patent: November 12, 1985Assignee: ELTECH Systems CorporationInventors: Douglas J. Wheeler, Jean-Jacques R. Duruz, Ajit Y. Sane, Jean-Pierre Derivaz
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Patent number: 4544457Abstract: A method and apparatus for making a drained aluminum electrowinning cathode dimensionally stable. A thin, 1/2 to 10 millimeter coating of substantially stagnant molten aluminum is maintained upon the cathode surface by an openly porous sheath or membrane closely conforming to contours of the electrowinning cathode. The sheath or membrane is made from a material substantially resistant to corrosives present in the aluminum electrowinning; it may be only slightly aluminum wettable, but should be relatively electrically nonconductive.Type: GrantFiled: June 17, 1983Date of Patent: October 1, 1985Assignee: Eltech Systems CorporationInventors: Ajit Y. Sane, Douglas J. Wheeler, Charles S. Kuivila