Abstract: A method for intermittently discharging an inverter in an energy storage apparatus and an energy storage apparatus using the method are disclosed. The method includes a protection step; and an intermittent discharge step, which includes having a battery management system detect a charge level of a capacitor and send it to a control unit, and when the charge level is below an activation threshold, having the control unit control a battery pack to perform a first discharge procedure to charge the capacitor for at least two times intermittently until the charge level reaches the activation threshold, thereby providing fast charge for the capacitor.

Abstract: A device includes an active region, a gate structure, a source/drain epitaxial structure, an epitaxial layer, a metal alloy layer, a contact, and a contact etch stop layer. The gate structure is across the active region. The source/drain epitaxial structure is over the active region and adjacent the gate structure. The epitaxial layer is over the source/drain epitaxial structure. The metal alloy layer is over the epitaxial layer. The contact is over the metal alloy layer. The contact etch stop layer lines sidewalls of the source/drain epitaxial structure. The metal alloy layer is spaced apart from the contact etch stop layer.

Abstract: An aerial spray rainmaking device includes a container (10), a water storage assembly (20), a pump (30) and a spraying assembly (40). The water storage assembly (20) is disposed in the container (10) and includes a water tank (21) filled with water (B). The spraying assembly (40) includes a pressure tank (41) and multiple nozzles (42) communicating with the pressure tank (41). Two ends of the pump (30) separately communicate with the water tank (21) and the pressure tank (41). The water (B) is pressured by the pressure tank (41), and is nebulized and sprayed out of the container (10) by each nozzle (42). Therefore, widespread clouds in the high sky may be quickly condensed into water droplets to accomplish the function of rainmaking.

Abstract: A fluid dynamic rain-making apparatus includes a first tubular member (10) and a thermal conductor (20). The first tubular member (10) includes a fluid channel having a first opening (12) and a second opening (13). An axial cross section of the fluid channel (11) decreases from the first opening (12) toward the second opening (13). The thermal conductor (20) includes a second tubular member (21) attached to the second opening (13) of the first tubular member (10) and heat sinks (22) circumferentially arranged on an outer surface thereof. A fluid (A) enters the fluid channel (11) from the first opening (11) and forms a cooled fluid (A1) through flowing through the fluid channel (11) for cooling the second tubular member (21), thus the heat sinks (22) are cooler than the external fluid (A). Accordingly, moist air is cooled to reach the dew point to form water drop for rainfall.

Abstract: A mobile hydrogen-oxygen burner rainmaking device includes a container, two liquid storage barrels, a combustion chamber and an igniter. The container has an accommodating space and a gas pipe. The liquid storage barrel is disposed in the accommodating space and connected to a nozzle and filled with liquid hydrogen and liquid oxygen separately. The combustion chamber is disposed in the accommodating space and has an opening. The igniter is installed in the combustion chamber. Each nozzle sprays the liquid hydrogen and liquid oxygen in a mist form into the combustion chamber for mixing, and the igniter ignites for combustion to form a high-temperature and high-pressure water vapor to be discharged from the opening along the gas pipe, so that the rainmaking device may be transported by a container truck to an appropriate location for operation to achieve the desirable rainmaking effect.

Abstract: A copolyester resin for preparing a low-melting copolyester fiber is made by compounding a first copolyester with a second copolyester in a weight ratio of the first copolyester to the second copolyester of from 94:6 to 98:2. The first copolyester is obtained by subjecting terephthalic acid, ethylene glycol, isophthalic acid, and diethylene glycol to a copolymerization, and the second copolyester is obtained by subjecting terephthalic acid, ethylene glycol, and neopentyl glycol to another copolymerization.

Abstract: A copolyester resin for preparing a low-melting copolyester fiber is made by compounding a first copolyester with a second copolyester in a weight ratio of the first copolyester to the second copolyester of from 94:6 to 98:2. The first copolyester is obtained by subjecting terephthalic acid, ethylene glycol, isophthalic acid, and diethylene glycol to a copolymerization, and the second copolyester is obtained by subjecting terephthalic acid, ethylene glycol, and neopentyl glycol to another copolymerization.

Abstract: A drag reducing device of car is installed on rear of a car. The drag reducing device of car includes a frame, the frame includes at least an outer spoiler and an inner spoiler, the outer spoiler and the inner spoiler are arranged at interval and an air flow channel is defined between the outer spoiler and the inner spoiler, an air inlet and a wind outlet are respectively defined on the frame and at two ends of the air flow channel, and a ratio of the wind outlet to the air inlet is defined within a range of 1.2 to 2.5. Thereby, energy efficiency and stability of cruise are increased.

Abstract: A heat exchanger is configured to be arranged on a first housing of an electronic device, wherein the first housing has a top surface and a sidewall neighboring on the top surface, wherein the first housing has multiple first metal sheets protruding from the sidewall of the first housing. The heat exchanger includes a second housing configured to be mounted to the first housing, wherein a first opening is at a bottom of the second housing and configured to have the electronic device extend into an inner space in the second housing through the first opening, and a second opening is at a wall of the second housing and communicates with the inner space. The heat exchanger includes multiple second metal sheets in the inner space, wherein the second metal sheets are configured to be arranged over the top surface of the first housing, and a first heater in the inner space and thermally connected to the second metal sheets.

Abstract: A power generating device utilizing oscillating water for converting into wave power (1) includes: a power generating tank (10) formed with a first chamber (11), a second chamber (12) and a communicating hole (13); a quantitative liquid (20) filled in the first chamber (11) and the second chamber (12); a resonating member (30), having one end communicated with the first chamber (11) and the other end disposed in a wave (2); a quantitative gas (40) filled between the first chamber (11) and the resonating member (30); and a driving member (50, 50?, 50?) pushed by the quantitative liquid (20). Accordingly, during the reciprocal movement of the wave (2), the quantitative gas (40) is pushed and squeezed thereby enabling the quantitative liquid (20) to push the driving member (50, 50?, 50?) so as to generate power.

Abstract: A power generating device utilizing oscillating water for converting into wave power (1) includes: a power generating tank (10) formed with a first chamber (11), a second chamber (12) and a communicating hole (13); a quantitative liquid (20) filled in the first chamber (11) and the second chamber (12); a resonating member (30), having one end communicated with the first chamber (11) and the other end disposed in a wave (2); a quantitative gas (40) filled between the first chamber (11) and the resonating member (30); and a driving member (50, 50?, 50?) pushed by the quantitative liquid (20). Accordingly, during the reciprocal movement of the wave (2), the quantitative gas (40) is pushed and squeezed thereby enabling the quantitative liquid (20) to push the driving member (50, 50?, 50?) so as to generate power.

Abstract: A power generation apparatus (1, 1a) using wave energy conversion by gravity includes a sealed body (10, 10a), a rotor (20, 20a), a gear box (30,30a), a power generation motor (40, 40a), and a pontoon (50, 50a). The rotor (20, 20a), disposed in the sealed body (10, 10a), includes an eccentric disk (21, 21a), a plurality of rollers (22, 22a) and a rotating shaft (23, 23a) penetrating through the eccentric disk (21, 21a). A center of gravity of the eccentric disk (21, 21a) is disposed with an offset to that of the sealed body (10, 10a). The gear box (31) is driven by the rotating shaft (23, 23a). The power generation motor (40, 40a) is driven by the gear box (31) to rotate and generate electric power.

Abstract: A heat exchanger is configured to be arranged on a first housing of an electronic device, wherein the first housing has a top surface and a sidewall neighboring on the top surface, wherein the first housing has multiple first metal sheets protruding from the sidewall of the first housing. The heat exchanger includes a second housing configured to be mounted to the first housing, wherein a first opening is at a bottom of the second housing and configured to have the electronic device extend into an inner space in the second housing through the first opening, and a second opening is at a wall of the second housing and communicates with the inner space. The heat exchanger includes multiple second metal sheets in the inner space, wherein the second metal sheets are configured to be arranged over the top surface of the first housing, and a first heater in the inner space and thermally connected to the second metal sheets.

Abstract: A power generation apparatus (1, 1a) using wave energy conversion by gravity includes a sealed body (10, 10a), a rotor (20, 20a), a gear box (30,30a), a power generation motor (40, 40a), and a pontoon (50, 50a). The rotor (20, 20a), disposed in the sealed body (10, 10a), includes an eccentric disk (21, 21a), a plurality of rollers (22, 22a) and a rotating shaft (23, 23a) penetrating through the eccentric disk (21, 21a). A center of gravity of the eccentric disk (21, 21a) is disposed with an offset to that of the sealed body (10, 10a). The gear box (31) is driven by the rotating shaft (23, 23a). The power generation motor (40, 40a) is driven by the gear box (31) to rotate and generate electric power.

Abstract: A power generating device utilizing oscillating water for converting into wave power (1) includes: a power generating tank (10) formed with a first chamber (11), a second chamber (12) and a communicating hole (13); a quantitative liquid (20) filled in the first chamber (11) and the second chamber (12); a resonating member (30), having one end communicated with the first chamber (11) and the other end disposed in a wave (2); a quantitative gas (40) filled between the first chamber (11) and the resonating member (30); and a driving member (50, 50?, 50?) pushed by the quantitative liquid (20). Accordingly, during the reciprocal movement of the wave (2), the quantitative gas (40) is pushed and squeezed thereby enabling the quantitative liquid (20) to push the driving member (50, 50?, 50?) so as to generate power.

Abstract: A wind power generator apparatus includes a housing (10) having a chamber (11), a wind generator set (20) in the chamber (11) and a wind collector (30) coupled to the wind generator set (20). The wind generator set (20) includes a base (21) fixed in the housing (10), a generator (22) mounted on the base (21) and a blade wheel (23) coupled to the generator (22). The wind generator set (20) can be installed in a vehicle (50) for generating electric power during driving. The power generated by the wind generator set (20) can be stored or used to charge the vehicle (50).

Abstract: A power device using a gas to drive a liquid includes a container, a specific quantity of liquid, a driving mechanism, a specific quantity of gas and a power generator, and the container has a first chamber, a second chamber, and a communicating hole formed between the first and second chambers; the specific quantity of liquid is filled into the first and second chambers; the driving mechanism includes a moving object contained in the first chamber; the specific quantity of gas is filled into first chamber and situated between the moving object and a liquid surface of the specific quantity of liquid; the power generator is installed in the container and at a position corresponding to the communicating hole; and the moving object increases and decreases the pressure of the specific quantity of gas to drive the power generator to generate and output power.

Abstract: A seesaw-type wave power generating device (1) includes: a first buoy (10); a second buoy (20) disposed on one side of the first buoy (10); an impeller generator (30) disposed between the first buoy (10) and the second buoy (20); a first connecting pipe (42) having both ends communicated with the first buoy (10) and the impeller generator (30); and a second connecting pipe (42) having both ends communicated with the second buoy (20) and the impeller generator (30). A liquid (2) is filled in the first buoy (10) and the second buoy (20). The first buoy (10) and the second buoy (20) bob on the water and water waves (4) causes the liquid (2) to flow back and forth between the first connecting pipe (41) and the second connecting pipe (42), thereby driving the impeller generator (30) to generate electricity. The present invention is easy for implementation and maintenance.

Abstract: An energy-saving and wind-powered aerator includes a floating carrier (1), a wind turbine (2), a water stirrer (3), and a transmission element (4). The floating carrier (1) has a supporting structure (12). The wind turbine (2) is connected to an upper portion of the supporting structure (12). The water stirrer (3) is mounted to the floating carrier (1). The transmission element (4) is connected to the wind turbine (2) and the water stirrer (3). The water stirrer (3) is rotated by means of the rotation of the wind turbine (2) and a driving action of the transmission element (4). With this arrangement, the wind turbine (2) is blown by natural and inexhaustible wind to rotate, so that the water stirrer (3) can be driven by the transmission element (4) to beat water rapidly, thereby increasing the amount of oxygen dissolved in the water and facilitating the decomposition of organic compounds in the water.