Abstract: Titanium oxide (usually titanium dioxide) catalyst support particles are doped for electronic conductivity and formed with surface area-enhancing pores for use, for example, in electro-catalyzed electrodes on proton exchange membrane electrodes in hydrogen/oxygen fuel cells. Suitable compounds of titanium and a dopant are dispersed with pore-forming particles in a liquid medium. The compounds are deposited as a precipitate or sol on the pore-forming particles and heated to transform the deposit into crystals of dopant-containing titanium dioxide. If the heating has not decomposed the pore-forming particles, they are chemically removed from the, now pore-enhanced, the titanium dioxide particles.
Type:
Grant
Filed:
March 3, 2010
Date of Patent:
September 27, 2011
Assignees:
GM Global Technology Operations LLC, Administrators of the Tulane Educational Fund
Inventors:
Mei Cai, Yunfeng Lu, Zhiwang Wu, Lee Lizhong Feng, Martin S. Ruthkosky, John T. Johnson, Frederick T. Wagner
Abstract: A candidate hydrogen storage material, M, capable of reaction with hydrogen to form a hydride, MHm (m=number of H atoms per formula unit), and to subsequently release hydrogen on demand, is processed electrochemically to enhance its absorption/desorption properties. For example, a magnesium hydride (MgH2) composition, arranged as a positive electrode, is reduced with lithium ions in a direct current electrolytic cell to form nanometer-size particles of magnesium (and lithium hydride). The cell operation may be reversed to oxidize magnesium to nanometer size particles of magnesium hydride. Thereafter, the nanometer-size particles of M/MHm adsorb and desorb hydrogen at higher yields and under more moderate storage processing conditions.
Type:
Grant
Filed:
November 20, 2007
Date of Patent:
September 20, 2011
Assignees:
GM Global Technology Operations LLC, Universite de Picardie, Jules Verne
Inventors:
Gholam-Abbas Nazri, Luc M. A. Aymard, Yassine Oumellal, Aline Dominique Rougier, Jean-Marie Tarascon
Abstract: The present invention relates to a friction material having a fully fibrous content fibrous base material. The base material has dispersed therethrough, in a penetrating gradient, a desired amount of friction modifying particles.
Abstract: One embodiment of the invention includes a product including an annular portion including a frictional surface and a first flange portion extending from the frictional surface, wherein the first flange portion comprises a first face, a second face, and a third face; and a hub portion and a second flange portion extending from the hub portion, wherein the second flange portion engages the first face, the second face, and the third face of the first flange portion.
Abstract: A band clamp that connects overlapping pipe ends includes a band, a tightening mechanism, and a gasket. The band has a radially protruding rib, a first lateral section that extends from a side of the rib, and a second lateral section that extends from another side of the rib. The tightening mechanism connects to the band and is operable to tighten the band, and the gasket is received in the rib. In one example, an axial width of the lateral sections are within a range relative to an axial width of the rib, and in another example, the lateral sections are angled inwardly with relative to an axis of the band.
Abstract: The grain size of magnesium alloys is effectively refined and made smaller by the addition of a small amount of titanium. The effect of the reduction of grain size is often an improvement in the strength and processability of a cast magnesium alloy. Often less than about 0.1% by weight of titanium need be used. It may be preferred to incorporate the titanium with another alloying constituent (such as aluminum) for addition to a melt of a magnesium base alloy.
Type:
Grant
Filed:
February 3, 2006
Date of Patent:
September 13, 2011
Assignee:
GM Global Technology Operations LLC
Inventors:
Xiaoqin Zeng, Yingxin Wang, Wenjiang Ding, Aihua A. Luo
Abstract: To provide the POS server which can respond immediately against request from local terminals, the POS server 100 according to this invention, which controls dealings of products at a plurality of stores, includes a plurality of control apparatuses 210 connecting with a plurality of local terminals 300 provided at a plurality of stores. Each of the plurality of control apparatuses 210 a dealing database 116 storing information of dealings of the products at the local terminals 300, a receiving device 152 receiving the database operating instruction for updating the dealing database 116 with the dealing of the products from the local terminal 300, and a database updating device 162 updating the dealing database 116 according to the received database operating instruction. Each receiving device 152 of the plurality of control apparatuses 210 receives the same database operating instruction which is transmitted to the control apparatuses from the local terminal 300.
Abstract: A high pressure homogenizer segmentalizes material made of minute solid or the like by passing suspension liquid including the material to a small diameter orifice at high speed under high pressure. An injection valve of the high pressure homogenizer includes: a fixed member having a material introducing passage therein; and a movable member disposed rotatably, swingably, or pulsatingly opposite to the fixed member in an axial direction of the fixed member. The orifice of the injection valve is made of a fine gap in a radial direction disposed between an end face of the fixed member facing an end of the material introducing passage and an end face of the movable member disposed at an end of the movable member opposed to the fixed member. The orifice communicates with a material processing passage via a ring-shaped collision wall.
Abstract: A windguard for a microphone includes an acoustic inlet at a downstream end and at least one pressure-relief port upstream of the acoustic inlet. The windguard has a base, a skirt depending from the base, and a first hood projecting from the base. The base and skirt provide space to accommodate the microphone. The first hood extends from an upstream end of the base to the downstream end and includes the acoustic inlet at the downstream end. The pressure-relief port(s) is located on the first hood at the upstream end and is protected by a second hood.
Abstract: An anti-kink device for hoses with an external corrugated structure, in particular for vacuum cleaner hoses, such hoses comprising at least one external groove-like channel which runs in a helical manner. The anti-kink device is formed by a wire coil made from spring steel which is screwed into the groove-like channel from one hose end and is fixed to the hose end. This anti-kink device is applied over the entire hose length or only partially at points of the hose which are at risk of kinking.
Type:
Grant
Filed:
June 12, 2009
Date of Patent:
August 30, 2011
Assignee:
Truplast Kunststofftechnik GmbH
Inventors:
Georg Peter Linhart, Christian Norbert Linhart
Abstract: A product including a polymer electrolyte membrane, an electrode over the membrane, a gas diffusion media layer over the electrode, and a hydrophilic layer over the gas diffusion media layer.
Type:
Grant
Filed:
August 21, 2007
Date of Patent:
August 30, 2011
Assignee:
GM Global Technology Operations LLC
Inventors:
Mahmoud H. Abd Elhamid, Youssef M. Mikhail, Gayatri Vyas Dadheech
Abstract: A method and system for providing a telematics readiness mode including receiving a first readiness mode input at a telematics unit, initiating a readiness mode responsive to the received first readiness mode input, receiving a second readiness mode input at the telematics unit while in the readiness mode, and determining a readiness action based on the received second readiness mode input. A computer usable medium with suitable computer program code is employed for providing a telematics readiness mode.
Type:
Grant
Filed:
October 14, 2005
Date of Patent:
August 23, 2011
Assignee:
General Motors LLC
Inventors:
Jonathan L. Gerlach, Ernest B. Rennells, Russell A. Patenaude
Abstract: A position sensor arrangement and method for determining the position of a movable device, such as an electronic gear shifter for vehicle. According to one embodiment, the position sensor arrangement is arranged in a skewed or offset fashion, with respect to the shifting pattern of the electronic gear shifter, such that movement of the gear shifter from one discrete position to an adjacent discrete position causes a change in both an x-axis coordinate and a y-axis coordinate.
Type:
Grant
Filed:
January 29, 2009
Date of Patent:
August 23, 2011
Assignee:
GM Global Technology Operations LLC
Inventors:
Orson S. Wang, John N. Stockbridge, Jonathon K. Ho
Abstract: A method and system that can be used to address improper towing of a vehicle so that unnecessary damage to the vehicle can be detected, recorded, prevented, avoided, etc. According to an exemplary embodiment, the method uses a vehicle power signal and one or more wheel movement signal(s) to detect instances of improper towing and, if detected, initiates a remedial action. Remedial actions could include, for example, alerting the tow truck operator through a visual and/or audible alarm, sending a wireless warning message to a remote call center, and recording the relevant information for subsequent analysis. In one embodiment, the wheel movement signals are provided by tire pressure monitoring (TPM) sensors already located in the vehicle.
Type:
Grant
Filed:
June 20, 2008
Date of Patent:
August 23, 2011
Assignee:
GM Global Technology Operations LLC
Inventors:
Charles G. MacDonald, Raymond S. C. Chokelal, Terry W. Ostan
Abstract: A network for a mine or other hazardous environment is provided. The network can include a plurality of access points that can communicate with each other. The access points can be deployed along a plurality of pillars in a room-and-pillar mine. The access points can interconnect a mobile wireless client device within the mine with an operations centre. In the event of an explosion or other disaster, a UPS battery back-up and the redundancy of the access points can increase the likelihood that a link between the wireless client device and the operations center can be maintained.