摘要:
An air supply system for a fuel cell and a fuel supply system with the same include a housing having an inlet hole and an outlet hole for respectively allowing inward and outward flow of a fluid; an air pump inserted and installed into the housing and having an inlet tube into which the fluid flows and an outlet tube through which the fluid flows out; a filtering portion installed between the inlet hole and the outlet hole within the housing and filtering particulate contaminants and chemical contaminants in the fluid; and a soundproofing member installed between the outlet tube and the outlet hole within the housing.
摘要:
A stack for a fuel cell includes a first collecting plate having a first electric polarity, a second collecting plate having a second electric polarity different from the first electric polarity, and at least one electricity generator located between the collecting plates. The at least one electricity generator is for generating electric energy due to electrochemical reaction between hydrogen and oxygen to be collected by the collecting plates. Coupling members press the at least one electricity generator in an airtight connection between the collecting plates. A terminal member protrudes from the second collecting plate and is electrically connected to the first collecting plate and insulated from the second collecting plate, such that the terminal member is used as a first terminal having the first polarity. The second collecting plate or a second terminal member may also be used as a second terminal having the second polarity.
摘要:
A pump for a fuel cell of a noise suppression and vibration proof structure and a fuel cell system using the same. The pump includes a housing including a metal housing main body and an inlet hole and an outlet hole for receiving and discharging a fluid and a pump inserted into the housing and including an inlet pipe through which the fluid is received and an outlet pipe that passes through the outlet hole and through which the received fluid is discharged with predetermined pressure. Therefore, the noise and vibration of the pump are reduced.
摘要:
A method and an apparatus for water management in a direct methanol fuel cell system using a heat exchanger and including a pipe for connecting a cathode outlet of a fuel cell stack with a mixer. The method includes: measuring an output voltage and/or an output current of the fuel cell stack; extracting a concentration value of the mixed fuel corresponding to the measured output voltage and/or current from a look-up table; comparing the extracted concentration value of the mixed fuel with a reference concentration value; and forcibly cooling a fluid flowing in a pipe for a time period by a heat exchanger coupled to the pipe when the extracted concentration value of the mixed fuel is higher than the reference concentration value.
摘要:
There are provided a pump of a noise suppression and vibration proof structure and a fuel cell system using the same. The fuel cell system includes at least one electricity generator including an electrolyte membrane and an anode and a cathode attached to the both surfaces of the electrolyte membrane to generate electricity energy by the electrochemical reaction between fuel containing hydrogen and oxidant supplied to the anode and the cathode, a fuel supplying unit including a pump for supplying the oxidant to the electricity generator, and a fixed frame that is provided on a lower frame and to which the pump is fixed. The pump is separated from the lower frame and is fixed to and combined with the fixed frame by the belt-shaped fixing member on the side surface of the fixing frame with a buffering member interposed. Therefore, it is possible to reduce the noise and vibration of the pump.
摘要:
A fuel tank and a cap device for the fuel tank. The fuel tank is connected to a fuel cell and includes a tank body having a fuel opening and a pin hole for maintaining an inside pressure, a floater positioned on a surface of the fuel stored in the tank body, and an air pipe connected to the pin hole and an upper part of the floater. The cap device includes a cap body having an inside transfer path for connecting an inlet opening for introducing the fuel and an outside transfer pipe, a fixed outer cap including a connector for fixing a discharge opening into which the transfer pipe is inserted, and an elastic opening/closing section in which the cap body is elastically compressible by the connector, and wherein the inside transfer path opens during the compression.
摘要:
A fuel cell system comprises an electricity generation section for generating electrical energy through electrochemical reaction of hydrogen and oxygen, a fuel supply section including a fuel pump arranged in a fuel tank for providing fuel, an oxidizer supply section including an oxidizer supply pump for providing an oxidizer to the electricity generation section, and a pump fixing accessory for connecting the fuel pump and the oxidizer supply pump to the body plate of a fuel cell, and for absorbing vibration generated by driving of one of both pumps. The pump fixing accessory comprises a vibration absorbing section for absorbing the vibration generated by the driving of the pump(s), a first connection section having one end connected to the vibration absorbing section and another end connected to the pump(s), and a second connection section having one end connected to the vibration absorbing section and another end connected to the body plate of the fuel cell.
摘要:
A wire structure may have a loop of fishing line on each of four sides, with weights to lower the line, giving a loop on each side. These loops may be tied to a central fishing line, which a user may pull to close the loops. This may catch a crab if one is in the trap, allowing a user to bring the crab to a wharf or boat, for example. Releasing the fishing line may allow the weights to lower, which may open the loops and release the crab without the user needing to touch the trap near the crab, which may reduce the chance of being pinched by a crab claw.
摘要:
A method of provisioning organization users in a multi-tenant database system includes receiving a request via a single sign-on protocol from an organization user to create a new multi-tenant database user account for access to the multi-tenant database system. The method retrieves rules that specify how to derive user permissions for access to the multi-tenant database system from stored user attributes of the organization user. The method continues with applying the rules to the stored user attributes to determine permissions for the users to access particular objects in the multi-tenant database system, and creating the new user account with the determined user permissions for access to the multi-tenant database system.
摘要:
In accordance with embodiments, there are provided mechanisms and methods for debugging an assertion. These mechanisms and methods for debugging an assertion can enable improved interpretation and analysis of data validation results, more efficient development associated with data validation, etc.