Class / Patent application number | Description | Number of patent applications / Date published |
429470000 | With securing means | 23 |
20100159345 | CELL STACK OF FUEL CELL AND METHOD OF FASTENING CELL STACK OF FUEL CELL - A cell stack of a fuel cell comprises a cell stack body including a cell stack structure including plural cells stacked together; an elastic member disposed at an end of the cell stack structure in a direction in which the plural cells are stacked, and a pair of end plates sandwiching the cell stack structure and the elastic member, and a fastener band extending to surround the cell stack body and to cover a pair of end surfaces and a pair of opposing side surfaces of the cell stack body, the fastener band including a first band engagement portion and a second band engagement portion at both end portions thereof, respectively, and the cell stack body is fastened by the fastener band by direct or indirect engagement between the first band engagement portion and the second band engagement portion. | 06-24-2010 |
20100279195 | Aligning Method For Repeating And Non-Repeating Units In A Fuel Cell Stack - An alignment system and method for assembling a fuel cell stack. Components of the fuel cell stack have internal alignment features and are aligned to a predetermined orientation during assembly. The system and method allow fuel cell stacks to be assembled within high tolerance levels while improving access to each component during assembly. Additionally, the system and method can provide additional rigidity to a fuel cell stack. | 11-04-2010 |
20110003230 | Compression Apparatus for Fuel Cell Stack - In a fuel cell stack assembly, a mechanism for securing the fuel cell stack in its compressed, assembled state includes a spring bar loading a disc spring at an inner diameter of the disc spring and a compression band which circumscribes the fuel cell stack assembly. | 01-06-2011 |
20110070520 | FUEL CELL AND METHOD FOR DISASSEMBLING FUEL CELL - A fuel cell ( | 03-24-2011 |
20110076588 | FUEL CELL - A fuel cell is equipped with a laminated body having a plurality of single cells and end plates clamping the single cells, and with an insulating body disposed at a lateral surface portion of the laminated body. The insulating body has a protrusion protruding to the laminated body side, and the laminated body is fastened with the protrusion clamped. | 03-31-2011 |
20110123894 | FUEL CELL STACK CLAMPING STRUCTURE AND SOLID OXIDE FUEL CELL STACK - A clamping structure for a planar solid oxide fuel cell stack comprising a flexible sheet and a rigid, thermally insulating end block, the flexible sheet being capable of bending into a primarily convex shape, the rigid, thermally insulating end block shaped as a rectangular base with a planar surface and an opposing surface that is primarily convex in shape, the flexible sheet being placed adjacent to the opposing surface of the rigid, thermally insulating end block, the flexible sheet thereby bending to obtain a shape that is primarily convex. The invention also relates to a solid oxide fuel cell stack and a process for the compression of the stack. | 05-26-2011 |
20110143251 | FUEL CELL STACK - A fuel cell stack including a plurality of fuel cells each formed by stacking separators and an electrolyte membrane-electrode assembly. The electrolyte membrane-electrode assembly includes an electrolyte membrane provided with a pair of electrodes on the opposite sides thereof. A stacked body formed by stacking the fuel cells is provided with a pair of end plates at the opposite ends thereof in a stacking direction. The end plates are integrally fixed by fastening members with the distance between the end plates maintained. A load measurement mechanism including a plurality of load sensors integrally connected to a connector member is provided between one of the end plates and the stacked body. The one of the end plates is provided with a pressure mechanism. The pressure mechanism presses the load measurement mechanism toward the stacked body to thereby apply a tightening load to the stacked body via the load sensors. | 06-16-2011 |
20120088179 | METHOD OF CLAMPING FUEL CELL STACK - A method of clamping a fuel cell stack includes a stack preliminary clamping step, a stack pre-treatment step of performing a gas flow rate variation cycle or a clamping pressure variation cycle, wherein the gas flow rate variation cycle repeatedly changes a flow rate of a gas supplied to an anode and a cathode included in the preliminarily clamped stack, and wherein the clamping pressure variation cycle repeatedly increases and decreases the clamping pressure by pressurization and pressure release of the preliminarily clamped stack using the pressure tool, and a stack main clamping step of correcting a variation in clamping pressure occurring due to a variation in thickness of a gas diffusion layer to mainly clamp the stack after the stack pre-treatment step. | 04-12-2012 |
20120264033 | MANUFACTURE AND CALIBRATION PROCESS FOR AN INTERCONNECT FOR A FUEL CELL OR A CELL STACK - The manufacture and calibration of an interconnect for a fuel cell ensures contact in all contact points between the interconnect and the adjacent electrodes. | 10-18-2012 |
20130130148 | FUEL CELL STACK ASSEMBLY WITH PRESSURE BALANCED LOAD MECHANISM AND ASSEMBLY METHOD - A fuel cell stack assembly includes a fuel cell stack wherein a plurality of fuel cell cassettes is coupled together by a joining material. A spring strap is coupled to the fuel cell stack in a manner effective to apply a first compressive force to the fuel cell stack. A first load distribution plate is located intermediate the fuel cell stack and the spring strap. The first load distribution plate is configured to distribute the first compressive force over the fuel cell stack in a manner effective to normalize the first compressive force on the joining material. A diaphragm is configured to define a cavity and is configured to apply a second compressive force to the fuel cell stack dependent on a cavity pressure of oxidant within the cavity. The cavity pressure is dependent upon an oxidant pressure of oxidant provided to the fuel cell stack. | 05-23-2013 |
20130230789 | FUEL CELL ASSEMBLY WITH ANTI-CLOCKING FEATURES AT THE ENDS OF THE CELL STACK ASSEMBLY - An exemplary fuel cell assembly includes a cell stack having a plurality of cells. The cell stack has an outermost plate at each of two opposite ends of the cell stack. An end plate is adjacent the outermost plate at each of the opposite ends. A plurality of anti-rotation members at each of the opposite ends prevent relative movement between the outermost plates and the end plates. The anti-rotation members at each end are at least partially received into the end plate at the corresponding end. The anti-rotation members at each end are only partially received into the outermost plate at the corresponding end without extending through the outermost plate. | 09-05-2013 |
20140170522 | FUEL CELL AND FUEL CELL STACK - A fuel cell includes a pair of interconnectors (ICs); a cell main body provided between the ICs and including an electrolyte, a cathode and an anode formed on respective surfaces of the electrolyte; and a current collection member provided between at least one of the cathode and the anode and the IC for electrically connecting the cathode and/or the anode and the IC. The current collection member has a connector abutment portion which abuts the IC, a cell main body abutment portion abutting the cell main body, and a connection portion connecting the connector abutment portion and the cell main body abutment portion, the portions being continuously formed. Between the cell main body and the IC, a spacer is provided so as to separate the connector abutment portion and the cell main body abutment portion. | 06-19-2014 |
20140255818 | HEMMED FUEL CELL STACK ENCLOSURE - A fuel cell system is provided which includes a compression retention enclosure with upper and lower compression shells and side sheet components coupled by interlocking hem joints. Methods for manufacturing compression retention enclosures with hem joints such that the enclosure remains sealed upon operational swelling of the fuel stack are also provided. A compression shell may be formed from a light weight composite structure having a polymeric layer interposed between steel skins, and an extension of the top steel skin may form a hemmed edge or may form a side sheet having a hemmed edge. Side sheet panels may be coupled to the end plates by interlocking two opposing hemmed edges to form the hem joint, or by sliding an opposing C-linking element between two hemmed edges held under compression force in an interlocking position. | 09-11-2014 |
20140349210 | FUEL CELL STACK - An objective of the present invention is to allow desirably installing a fuel cell stack in an installation site with a simple and compact configuration. The fuel cell stack comprises an end plate. A pair of mount parts are integrally disposed on the end plate protruding downward on both sides of the lower end part thereof by a depression part being disposed on the lower end part of the end plate. The mount parts are anchored in the installation site for installing the fuel cell stack. Some screws are positioned in the mount parts to anchor to the end plate manifold members which link to a fuel gas supply connector hole and an oxidant gas exhaust connector hole of the fuel cell stack. | 11-27-2014 |
20140363755 | FUEL CELL SYSTEM - A group of fuel gas system devices are provided at a first end plate of a fuel cell system through a block member. A cover member is provided at the first end plate to cover the group of the fuel gas system devices. Support rod members are provided at the first end plate. The support rod members protrude outward in a stacking direction to support the cover member at the front ends of the support rod members. | 12-11-2014 |
20150037707 | FUEL CELL STACK - A fuel cell stack includes a stacked body, a first terminal plate, a second terminal plate, a first resin end plate, and a second resin end plate. The stacked body has a first end and a second end opposite to the first end in a stacking direction. The first terminal plate is provided on the first end of the stacked body in the stacking direction to have a first surface substantially parallel to surfaces of first and second electrodes. The first terminal plate includes a first reinforcement rib provided in the first surface. The second terminal plate is provided on the second end of the stacked body in the stacking direction to have a second surface substantially parallel to the surfaces of the first and second electrodes. The second terminal plate includes a second reinforcement rib provided in the second surface. | 02-05-2015 |
20150086900 | FUEL CELL STACK ASSEMBLY - A fuel cell stack assembly comprises a plurality of fuel cells in a stack, the stack defining two opposing parallel end faces. An end plate is disposed at each opposing end face of the stack. Each end plate defines a compression surface adjacent to and in compressive relationship with a respective one of the two opposing parallel end faces. A coupling mechanism is attached to the end plates to thereby maintain the fuel cells in the stack under compression. At least one, preferably both, of the end plates comprise a preformed element defining the compression surface, the preformed element being configured with a predetermined curvature such that the compression surface is a convex surface when the preformed element is not under load whereas, under the application of the load to maintain the fuel cells under compression, flexure of the preformed element between elements of the coupling mechanism causes the compression surface to become a substantially planar surface. This provides uniform pressure distribution across the end faces of the fuel cell stack using fewer and lighter weight components. | 03-26-2015 |
20150333355 | FUEL CELL STACK ASSEMBLY AND METHOD OF ASSEMBLY - A fuel cell stack assembly ( | 11-19-2015 |
20150372318 | FUEL CELL AND METHOD FOR MANUFACTURING SAME - A fuel cell according to one mode includes a plurality of stacked cell units, each cell unit including at least an electrically conductive interconnector having a front surface and a back surface; a connection member which is electrically connected to the interconnector; a single cell which includes an anode, an electrolyte, and a cathode, and which is electrically connected to the connection member; and a separator having an opening which is connected to an outer peripheral portion of the single cell, the cell units being clamped together in a stacking direction, wherein the connection member of at least one cell unit of the cell units has a thickness different from that of the connection member of another cell unit. | 12-24-2015 |
20160133984 | FUEL CELL AND FUEL CELL SYSTEM - A fuel cell includes a stacked body formed by stacking a plurality of unit cells, an end plate arranged on at least one end of the stacked body in a stacking direction, a fuel cell case including an opening portion and incorporating the stacked body, wherein the opening portion has a substantially polygonal outer circumference shape with a plurality of corners, and a plurality of types of fasteners with different load resistances that fix the end plate, closing the opening portion of the fuel cell case, to the fuel cell case. A fastener, of the plurality of types of fasteners, of a type with a highest load resistance is arranged at at least one of the plurality of corners of the opening portion. | 05-12-2016 |
20160141700 | Fuel Cell Module - A fuel cell module includes a fuel cell and a case housing the fuel cell. The fuel cell includes a cell stack and a pressure plate arranged at an outermost position of a stacking direction relative to the cell stack. The case includes a cover section that faces the pressure plate and covers the pressure plate while the fuel cell is housed in the case. The cover section includes a pin housing portion having a through hole and a pin placed in the through hole with which the pressure plate is pressed. The pin housing portion has a thick part thicker than a thin part that is at least a part of the cover section continuous with the pin housing portion. The thick part is formed in an inward direction of the case. | 05-19-2016 |
20160141701 | FUEL CELL DEVICE - A fuel cell device includes a fuel cell body, a case and a pin having one end contacting a part of the fuel cell body. A through hole is formed in the case. The through hole penetrates the case from the outside to the inside. The pin is inserted in the through hole and provided with a sealing member formed on at least a part of an outer circumferential surface. The through hole has a constant inner diameter from a position inside the case to a border with the outside. In the through hole, an inner diameter between a portion of the constant inner diameter and the border with the outside is larger than the constant inner diameter. The pin has an opposite end located inside the through hole in a portion from an end of the portion of the constant inner diameter to the border with the outside. | 05-19-2016 |
20190148758 | FUEL CELL STACK STRUCTURE | 05-16-2019 |