Humidifier, for Example for a Fuel Cell
US-2015380750-A1 · Dec 31, 2015 · US
Method and apparatus for determining humidity states of individual cells in a fuel cell, method and apparatus for controlling humidity states of individual cells in a fuel cell, and a fuel cell system
US9105889B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9105889-B2 |
| Application number | US-200913260039-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 18, 2009 |
| Priority date | Nov 18, 2009 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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In order to cause a plurality of cells in a fuel cell to be recovered to a desired humidity state, it is configured to determine that the cells present a mixture of dry and overly humid states in the case where a predetermined condition is satisfied, and in the case where it is determined that the cells present the mixture, humidifying control is carried out to cause all the cells to attain the overly humid state, and thereafter, drying control is carried out to dry all the cells, to thereby cause the plurality of cells to be recovered to a predetermined humidity state.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for controlling humidity states of a plurality of cells stacked in a fuel cell, comprising the steps of: determining that the plurality of cells presents a mixture of dry and overly humid states when: a minimum voltage value of at least one of the plurality of cells is equal to or less than a predetermined voltage threshold value indicative of an overly humid state, and at least one of the following conditions 1 through 3 is satisfied: con…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9105889B2 cover?
- In order to cause a plurality of cells in a fuel cell to be recovered to a desired humidity state, it is configured to determine that the cells present a mixture of dry and overly humid states in the case where a predetermined condition is satisfied, and in the case where it is determined that the cells present the mixture, humidifying control is carried out to cause all the cells to attain the…
- Who is the assignee on this patent?
- Suematsu Keigo, Ishikawa Tomotaka, Naganuma Yoshiaki, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H01M8/04126. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).