Abstract: A wind-tunnel type power generator includes an outer cover, a turbine rotor, an air escape valve, and at least a rear fin. The outer cover is a convergent-divergent shape and the turbine rotor is installed into an inner flowing path thereof, the air escape valve is installed on the outer cover and the rear fin is installed on the surface of the outer cover. The acceleration of the outer cover, the higher efficiency of the turbine rotor, and the reducing pressure of the air escape valve is to gain the wider operation area, smaller space, lower weight, lower noise, and higher efficiency of the wind-tunnel type power generator.

Abstract: A generator rotor structure comprises a cylinder body, at least a magnetic member, and a shaft. A penetrating bore is adapted at the center of the cylinder body. A plurality of containing spaces is adapted between the sidewall of the penetrating bore and the outer sidewall of the cylinder body. The adjacent containing spaces include a connecting part. The shaft passes through the penetrating bore, and the magnetic member is adapted on the outer sidewall of the cylinder body. The present invention can also be implemented according to another embodiment of the present invention, which comprises a hollow body, at least a connecting part, at least a shaft sleeve, at least a magnetic member, and a shaft. The connecting part is connected on the inner sidewall of the hollow body, and the shaft sleeve is connected to the connecting part. In addition, the shaft passes through the shaft sleeve, and the magnetic member is adapted on the outer sidewall of the hollow body.

Abstract: A wind-tunnel type power generator includes an outer cover, a turbine rotor, an air escape valve, and at least a rear fin. The outer cover is a convergent-divergent shape and the turbine rotor is installed into an inner flowing path thereof, the air escape valve is installed on the outer cover and the rear fin is installed on the surface of the outer cover. The acceleration of the outer cover, the higher efficiency of the turbine rotor, and the reducing pressure of the air escape valve is to gain the wider operation area, smaller space, lower weight, lower noise, and higher efficiency of the wind-tunnel type power generator.

Abstract: A vehicle accident warning system comprises a sensor, detecting an external acoustic signal; an identifying device, receiving a signal from said sensor according to said acoustic signal and performing analysis of frequency and repetition rate thereof for identifying said signal as a warning signal; and a controlling device, receiving an identification signal from said identifying device according to said analysis thereof and issuing a corresponding alerting message.

Abstract: A recuperated gas turbine engine. The gas turbine engine includes a heat exchanger, and gas turbine (including compressor, can-type combustor and turbine). The heat exchanger includes a compressed air passageway and a turbine exhaust gas passageway adjacent to each other within the casing which extend spirally throughout the heat exchanger and towards an inner cylindrical chamber in which the combustor is positioned approximately to the center of the casing. Improved engine fuel efficiency is achieved by preheating the compressed air before it reaches the combustor with the higher-temperature exhaust gas. A can-type combustor is used for alleviating heat-dissipation issues to improve efficiency of the combustion. A concentric back-to-back rotor arrangement significantly shortens the length of a conventional engine turbine rotor which improves on the operational stability of a gas turbine engine.

Abstract: A recuperated gas turbine engine is disclosed, comprising: a heat exchanger, and gas turbine (including compressor, can-type combustor and turbine); wherein, said heat exchanger comprises a compressed air passageway and a turbine exhaust gas passageway adjacent to each other within the casing which extend spirally throughout said heat exchanger and towards an inner cylindrical chamber in which said combustor is positioned approximately to the center of said casing. Improved engine fuel efficiency is achieved by preheating the compressed air before it reaches the combustor with the higher-temperature exhaust gas. A can-type combustor is used for alleviating heat-dissipation issues to improve efficiency of the combustion. A concentric back-to-back rotor arrangement significantly shortens the length of a conventional engine turbine rotor which improves on the operational stability of a gas turbine engine.

Abstract: An engine core structure for a gas turbine engine includes an outer annular shaft body, a turbine rotor body, turbine rotor blades radially connected between the outer annular shaft body and the turbine rotor body to hold the turbine rotor body in the rear section of the outer annular shaft body, the outer annular shaft body including slots through which compressed air passes in a radially inward direction, and a can type combustor mounted in a receiving clamber inside the outer annular shaft body to enlarge the diameter of the core shaft, to avoid vibration due to resonance, to save space, to eliminate dissipation of heat, and to improve the thermal efficiency of the gas turbine engine.

Abstract: An engine core rotor shaft structure for gas turbine engine is disclosed, which includes an outer annular shaft body, an inner annular shaft body, high pressure turbine (HPT) rotor blades radially connected between the outer annular shaft body and the inner annular shaft body to hold the inner annular shaft body in the rear section of the outer annular shaft body, and a can type combustor mounted in a receiving chamber inside the outer annular shaft body to enlarge the diameter of the core shaft, to avoid vibration due to resonance, to save space occupation, to eliminate dissipation of heat, and to improve the thermal efficiency of the gas turbine engine.

Abstract: A front plunger pressure-swirl atomizer is disclosed, which is applied to a fuel atomizer of a micro gas turbine engine and includes a nozzle cap, a central plunger swirler, a central plunger fastening barrel. The front plunger pressure-swirl atomizer is installed at the seat of an engine. The present invention has the advantages of occupying a smaller space, only needing a small operating pressure, a simple flow channel structure, and fewer components, being easily assembled and a superior atomizing property. Therefore, the defects, such as complex finishing process of flow channel and difficult to be assembled, in the prior art are improved effectively.