Abstract: A light emitting diode (LED) device having a humidity sensor includes an LED portion, a humidity sensor and an external device. This LED portion has a base, a boning layer, an LED chip, and a sealing portion. The LED ship is adhered on the base by the bonding layer. The sealing portion encloses the LED chip. This humidity sensor has a transmission element. This humidity sensor is to detect humidity condition in the LED portion. The external device is to monitor humidity condition and variation in the LED portion. It can monitor the internal condition in the LED portion and is possible to detect both the temperature and humidity simultaneously.

Abstract: A micro reactor having micro flow-guiding blocks includes a first gas flow channel, a second gas flow channel and a catalytic converter. There are several flow-guiding portions disposed on the first gas flow channel. Each flow-guiding portion has micro flow-guiding blocks, flow-impact recesses, and catalytic portions. The function of the micro flow-guiding block is to guide a flowing direction of the flow toward the catalytic portion on the flow-impact recess in order to increase a possibility of contacting and chemical reaction with the catalytic portion. So, guiding the flow direction toward the catalytic portion can increase the overall reaction efficiency. More turbulence is generated to obtain a better mixing. Plus, its structure is simple.

Abstract: A manufacturing method of fuel cell having micro sensors and polymer layers is disclosed. It include the following steps of: (1) depositing first polymer layer step, (2) first lithographic processing step, (3) depositing chromium layer step, (4) depositing gold layer step, (5) removing first photo-resist layer step, (6) depositing second polymer layer step, (7) second lithographic processing step, (8) plasma etching step, (9) removing second photo-resist layer step, and (10) complete step. About this invention, the polymer layers can protect the micro sensors. The micro sensors can be installed at a specific location in the flow channel. The entire manufacturing cost is lowered.

Abstract: A diagnostic system for monitoring internal conditions inside a fuel cell includes a pair of bipolar plates, a gas diffusion layer, a central controller, and three or more sensors. Each bipolar plate contains a fuel gas channel. The central controller includes a computing unit and a display. Each sensor has a resistor portion, a capacitor portion, a common lead, a resistor line, and a capacitor line for detecting a voltage value, a resistance value, and a capacity value. The display shows out physical information detected by these sensors for diagnosing the fuel cell. The physical information includes voltage, resistance, capacity, temperature, humidity, flow velocity, and flow rate. In which, it can detect various physical information inside the fuel cell. It can monitor the internal conditions continuously and directly. Plus, it can prolong the product life of the fuel cell.

Abstract: A light emitting diode (LED) device having a humidity sensor includes an LED portion, a humidity sensor and an external device. This LED portion has a base, a boning layer, an LED chip, and a sealing portion. The LED ship is adhered on the base by the bonding layer. The sealing portion encloses the LED chip. This humidity sensor has a transmission element. This humidity sensor is to detect humidity condition in the LED portion. The external device is to monitor humidity condition and variation in the LED portion. It can monitor the internal condition in the LED portion and is possible to detect both the temperature and humidity simultaneously.

Abstract: A micro reactor having micro flow-guiding blocks includes a first gas flow channel, a second gas flow channel and a catalytic converter. There are several flow-guiding portions disposed on the first gas flow channel. Each flow-guiding portion has micro flow-guiding blocks, flow-impact recesses, and catalytic portions. The function of the micro flow-guiding block is to guide a flowing direction of the flow toward the catalytic portion on the flow-impact recess in order to increase a possibility of contacting and chemical reaction with the catalytic portion. So, guiding the flow direction toward the catalytic portion can increase the overall reaction efficiency. More turbulence is generated to obtain a better mixing. Plus, its structure is simple.

Abstract: A fluid reactor having a thin film with two-dimensionally distributed micro-resistor units includes one flow way, separating ribs, a thin film which is thinner than 100 micrometer, and a catalytic layer. There are multiple micro-resistor units, which is thinner than 60 micrometer each, set on the thin film. A bi-directional control unit is disposed to control these multiple micro-resistor units to shift to a desired mode selected from detecting electrical resistance, voltage, current, temperature, flow speed, and/or heat-up functions at different time. It can be applied to different kinds of fuel cells with different flow-way patterns. Its micro-resistor units have bi-directional functions. It can detect flow speed at a desired location in the flow way. It would not influence its original flow field and structure. Plus, it is easy to be installed.

Abstract: A thin-film detecting device includes a plate set and a thin-film detecting portion especially for fuel cell, steam reformer and the like. This plate set has a first plate and a second plate. Each first plate has an inner surface, an outer surface, at least one channel, a gas inlet and a gas outlet. The thin-film detecting portion is disposed between the first plate and the second plate. This thin-film detecting portion is deformable and has at least one sensor. Each sensor has a connecting line extending from the sensor to a controller. About this invention, its structure is simple. It is easy to install. The exchangeability is high. And, it can be disposed on a specific position easily.

Abstract: A manufacturing method of fuel cell having micro sensors and polymer layers is disclosed. It include the following steps of: (1) depositing first polymer layer step, (2) first lithographic processing step, (3) depositing chromium layer step, (4) depositing gold layer step, (5) removing first photo-resist layer step, (6) depositing second polymer layer step, (7) second lithographic processing step, (8) plasma etching step, (9) removing second photo-resist layer step, and (10) complete step. About this invention, the polymer layers can protect the micro sensors. The micro sensors can be installed at a specific location in the flow channel. The entire manufacturing cost is lowered.

Abstract: This invention is to introduce a manufacturing method of fuel cell with integration of catalytic layer and micro sensors, which comprises following steps: manufacturing multi-hole silicon layer step, generating catalytic layer step, forming insulation layer step, integrating micro sensors step, and finalizing step. With the function of gas-diffusion layer in the multi-hole silicon wafer and multiple catalytic grains evenly spread over the inner walls of flow-way holes of the silicon wafer, a great catalytic layer can be formed effectively. Further, micro sensors properly are integrated. This invention's merits include simple structure and capabilities of simultaneously detecting temperature and humidity. Plus, it can heat up internally for a fuel cell.

Abstract: A fuel cell having micro sensors is disclosed. It has a pair of bipolar plates and a catalytic portion. About each bipolar plate, it has an inner surface and an outer surface. There are a fluid inlet, a fluid outlet, a channel, one or more micro sensors and several signal lines disposed on this inner surface. This catalytic portion is disposed between two bipolar plates. So, it can detect the actual internal conditions in the fuel cell. There is no need to install extra micro sensors. And, the fuel cell stability and safety can be enhanced significantly.

Abstract: A fuel cell having composite bipolar plates mainly includes a pair of bipolar plates. Each bipolar plate has a first surface and a second surface. Each bipolar plate including a conductive plastic plate, a plastic plate fluid inlet, a plastic plate fluid outlet, and a substantially recessed channel. This metal plate has a first metal surface and a second metal surface. The first metal surface is disposed on the second surface of the bipolar plate. The second metal surface is connected with the second plastic surface. Therefore, it can significantly reduce the manufacturing cost. Its anti-corrosion capability is excellent. And, it can produce fuel cells having complicated bipolar structures.

Abstract: A lock structure, which can prevent shifting of a control link and a push button of an automatic shift lever in a car, having a lever lock, an axle tube and a limiting block in a sheath. By engaging with of the lever lock, the axle tube and the limiting block, an depression of the push button for shifting can be prevented. When unlocked, a lock core on the lever lock can be turned to align the axle tube and the protruding pieces provided on the surface to allow displacement of the push button for normal shifting. The lock is locked by turning the lock core to prevent depression of the push button.

Abstract: A locking device for an automatic shift lever in a car is embedded in a shift knob by providing a receiving hole on the lateral side of the knob for the shift lever to receive a lever lock. A stop piece is provided on one end of the lever lock to lock a push button to prevent the shift lever from shifting.

Abstract: A locking device for an automatic shift lever on a car, having a housing provided at one side of the handle of the shift lever, an engaging lever, and a locating piece capable of rotating with a lock core received inside the housing. When a protruding end of the engaging lever is pressed inwardly, the locating piece will abut against a bottom edge of the engaging lever. In this position, a sleeve inside the handle has a slot which is engaged with a limiting end located on the top of the engaging lever, so that the shift lever is impossible to be moved.