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Nobuo Fujita
Nobuo Fujita, Aichi-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20090004518 | Fuel Cell System and Vehicle Mounted With Fuel Cell System - When a vehicle mounted with a fuel cell system travels using electric power supplied from the system, a predetermined portion forming the system, such as a fuel cell, is prevented from being frozen by the relative wind. The fuel cell system is mounted on a vehicle and has the fuel cell for generating electric power by using fuel gas and oxidized gas as fuel and also has a control section for controlling the system. When the speed of the vehicle is higher than or equal to a predetermined threshold and predetermined conditions determined by physical quantities relating to power generation conditions of the fuel cell are satisfied, the control section determines that freeze prevention processing is necessary even if the fuel cell is generating electric power and performs the processing. | 01-01-2009 |
| 20090162711 | Fuel Cell - In a fuel cell which includes a plurality of stacks in which a plurality of cells, which cause reaction gases to undergo electrochemical reaction and generate electricity, are stacked in layers; and an electrically conductive member which electrically connects together end portions of the stacks, so that the stacks constitute a series circuit, there is also provided a first relay which electrically connects together some cell other than one at an end portion of a stack, and a cell of another stack. This first relay can create a bypass for cutting out a cell whose cell voltage value has become less than or equal to a predetermined value from the series circuit of the fuel cell. | 06-25-2009 |
| 20090325015 | FUEL CELL SYSTEM - A fuel cell system comprises a fuel gas supply conduit which supplies fuel gas to a fuel cell, a circulation conduit which returns discharged fuel gas discharged from the fuel cell to the fuel gas supply conduit, and a control device. When the control device determines that freezing may occur, the control device releases the discharged fuel gas from a water discharge valve of a gas-liquid separator provided in the circulation conduit to the outside, and reduces the flow volume of the discharged fuel gas returned to the fuel gas supply conduit in order to reduce moisture contained in the gas. Consequently, freezing can be prevented using a simple structure. | 12-31-2009 |
Nobuo Fujita, Aichi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080311433 | Fuel Cell System and Method for Determining Deterioration of Impurity Removal Member - A fuel cell system | 12-18-2008 |
| 20090191438 | FUEL CELL SYSTEM - Provided is a fuel cell system, which can inform the user of the input of a control command for low-temperature countermeasures, if necessary, at a proper timing. A control unit decides whether or not an ambient temperature To of a remote-part temperature is lower than 0° C. for the time period from a start request to a stop request of the system. The control unit informs, when it decides that either temperature is lower than 0° C., the user of a message for urging the input of the control command for the low-temperature countermeasures. | 07-30-2009 |
| 20090258277 | Fuel Cell System - A fuel cell system includes a fuel cell body that generates electricity through electrochemical reaction of a first reactive gas and a second reactive gas, a first gas supply passage and a second gas supply passage supplying the first reactive gas and the second reactive gas to the fuel cell body, a first gas discharge passage and a second gas discharge passage discharging an off-gas of the first reactive gas and an off-gas of the second reactive gas from the fuel cell body, and a branch passage branching out from one of the first gas discharge passage or the second gas discharge passage. The off-gas discharged by the other one of the first gas discharge passage or the second gas discharge passage is arranged to flow through the branch passage. | 10-15-2009 |
Nobuo Fujita, Toyota-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090047163 | Roots Pump and Fuel Cell System - There is disclosed a Roots type pump in which two rotors are rotated synchronously in a pump chamber to compress fluid therein, wherein respective stop positions of the rotors in the pump chamber at a time of stopping the pump are determined independently of each other. | 02-19-2009 |
| 20090148728 | Fuel cell system and method of stopping the same - A fuel cell system includes a fuel cell body, a gas passage supplying reactive gas to the fuel cell body and discharging the reactive gas from the fuel cell body, and an adjustment part adjusting a flowing condition of the reactive gas in the gas passage. The fuel cell system includes at least two scavenging passages which scavenge a part of the gas passage, wherein a first scavenging passage is formed to contain the fuel cell body and a second scavenging passage is formed to bypass the fuel cell body. | 06-11-2009 |