| Patent application number | Description | Published |
|---|
| 20080220302 | FUEL CELL SYSTEM - There is provided a fuel cell system including a fuel supply control mechanism which is disposed between the fuel tank and the fuel cell and capable of interrupting the supply of the fuel; and a temperature sensor provided to a circuit connecting the fuel supply control mechanism to the fuel cell, for changing a resistance value according to at least one of a temperature of the power generation of the fuel cell and a temperature of an electronic device supplied with electric power from the fuel cell, in which the fuel supply control mechanism is operated by a change in the resistance value of the temperature sensor so that the supply of the fuel is interrupted. The system enables more reliably interrupting a supply of a fuel by a passive structure in a control when a temperature of a power generation portion of a fuel cell exceeds an allowable range. | 09-11-2008 |
| 20080266512 | Liquid Crystal Material, Method for Producing Liquid Crystal Material and Liquid Crystal Device - The present invention provides a liquid crystal material, method for producing the liquid crystal material, and liquid crystal device thereof which shows low light absorption in the ultraviolet light region. A compound of formula (I) | 10-30-2008 |
| 20090013936 | MATERIAL FOR TREATING EXCRETION OF PET - A pet excreta treating material made mainly of a ground material of plant origin and having a higher water absorbency in the third measurement than in the first measurement, a water absorbency of 3% to 30% by weight in the third measurement, and a specific gravity of 0.8 to 1.2 measured before the first water absorbency measurement. The water absorbency is measured by immersing a dried excreta treating material in 25° C. water for 3 seconds and calculating the weight increase by the equation below, which is taken as water absorbency (%). In the second and following measurements, the excreta treating material immediately after the preceding measurement is dried and immersed in 25° C. water for 3 seconds to obtain a water absorbency in the same manner. | 01-15-2009 |
| 20090044756 | Sheet for Pets - A pet sheet | 02-19-2009 |
| 20090053580 | INFLAMMABLE SUBSTANCE SENSOR AND FUEL CELL INCLUDING THE SAME - There is provided an inflammable substance sensor which can be installed in a small space and a fuel cell including the same. The inflammable substance sensor for informing the outside of detection of an inflammable substance includes an odorant releasing member for releasing an odorant due to a chemical reaction of the inflammable substance. | 02-26-2009 |
| 20090136803 | FUEL CELL SYSTEM - A fuel cell system capable of controlling a fuel cell at a time of starting and at a time of stopping with a simple structure and capable of controlling the influence of the outside air temperature of the use environment. The fuel cell system includes a fuel cell including a power generating portion including a fuel electrode and an oxidizer electrode, for performing power generation based on a fuel supplied from a fuel tank; and a switch provided between the fuel electrode and the oxidizer electrode so as to connect and disconnect a resistor between and with the fuel electrode and the oxidizer electrode. The switching of the connection and disconnection of the resistor by the switch is performed based on at least one temperature difference between two of the power generating portion of the fuel cell, the fuel tank, and outside air. | 05-28-2009 |
| 20090169926 | METHOD FOR STOPPING POWER GENERATION OF FUEL CELL SYSTEM AND FUEL CELL SYSTEM INCLUDING POWER GENERATION STOPPING UNIT - There is provided a method for stopping power generation of fuel cell system including: a fuel cell having a fuel electrode and an oxidizer electrode; a fuel container; and a fuel flow path for supplying a fuel from the fuel container to the fuel cell, which enables suppression of a pressure difference between the fuel electrode and the oxidizer electrode during a stop state of an operation of the fuel cell, the method including the steps of, during the stop state of the operation of the fuel cell: stopping supply of the fuel from the fuel container to the fuel cell; consuming a residual fuel in the fuel flow path by short-circuiting the fuel electrode and the oxidizer electrode or connecting a load between the fuel electrode and the oxidizer electrode; and opening the fuel flow path to the atmosphere. | 07-02-2009 |
| 20090208787 | FUEL CELL STACK - A conductance at an oxidizer flow path forming member is defined as C | 08-20-2009 |
| 20090213896 | FREEZING DETECTION METHOD FOR FUEL CELL - In a method for detecting the freezing of water within a fuel cell, precise detection can be performed using a phenomenon specific to the time when water starts to freeze to allow a reduction in erroneous activation. Detection at an early stage after the start of freezing is allowed, and hence measures can be taken against an output reduction before the water within the fuel cell completely freezes. | 08-27-2009 |
| 20090233147 | FUEL CELL STACK - A fuel cell stack in which at least one of a plurality of fuel cell units constituting a fuel cell stack includes a water absorbing member with a surface exposed to the atmosphere in a portion where an oxidizer flow path forming member and a separator are in contact with each other, and an area of a surface exposed to the atmosphere of the water absorbing member of the fuel cell unit the temperature of which becomes relatively lower is larger than an area of a surface exposed to the atmosphere of the water absorbing member of the fuel cell unit the temperature of which becomes relatively higher. | 09-17-2009 |
| 20090260578 | PET TOILET - A pet toilet | 10-22-2009 |
| 20100119887 | FUEL CELL SYSTEM AND ACTIVATION METHOD FOR FUEL CELL - A cell unit voltage is controlled such that a hydrogen production reaction is caused to occur in an oxidizer electrode, thereby allowing a current corresponding to a moving amount of protons, which is larger than a diffusion limiting current, to pass through a fuel cell. As a result, regardless of a supply amount of an oxidizer, a current larger than a limiting current of a fuel cell reaction is allowed to flow. | 05-13-2010 |
| 20100167153 | FUEL CELL APPARATUS - Provided is a fuel cell apparatus having a gas permeation mechanism for spontaneously controlling the supply amount of oxidizer from a reduced amount to an amount sufficient for normal operation after a reduction process at the time of activation. The fuel cell apparatus includes a control portion for controlling a potential difference between a fuel electrode and an oxidizer electrode to such a value as to reduce an oxide film of a catalyst used in the oxidizer electrode, and a gas permeation mechanism provided in a flow path through which supplied air flows, wherein the gas permeation mechanism includes a member which allows a gas permeation rate to be controlled depending on surrounding environment. | 07-01-2010 |
| 20110050040 | ACTUATOR WITH SENSOR - An actuator with a sensor, including an actuator having electrodes and an ionic conduction layer, a sensor and a rigid body member provided in contact with the sensor. The actuator is connected to the sensor through the rigid body member such that the sensor is not deformed attending on deformation of the actuator. | 03-03-2011 |
| 20110050041 | ACTUATOR WITH SENSOR - An actuator with a sensor, including an actuator having a pair of electrodes and an ionic conduction layer present between the pair of electrodes, and a sensor having electrodes and an electromechanical conversion element. When the actuator is deformed, the sensor is also deformed. The relationship between the modulus of elasticity (A) of the actuator and the modulus of elasticity (S) of the sensor satisfies S| 03-03-2011 | |
| 20110156530 | POLYMER ACTUATOR - This invention provides a polymer actuator having a structure such that voltage can be efficiently applied to two or more actuator electrodes without directly providing an electrical contact point to an expanding and contracting portion. | 06-30-2011 |
