Abstract: The present invention discloses a multifunctional fuel gas nozzle such that the nozzle is generally applicable for both natural gas and liquefied gas with different pressures. The multifunctional fuel gas nozzle of the present invention comprises a hollow core, a shell which is tightly jointed to the rear end portion of the core, and a switch strip which is axially movable with respect to the shell. The above structure is always applicable by switching the switch strip whenever the shell is used for natural gas with a lower input pressure or liquefied gas with a higher input pressure. Therefore, natural gas and liquefied gas with different pressures can share the nozzle only by simple adjustment according to the present invention.

Abstract: An improved structure of a turbine exhauster. The exhauster includes a fan assembly, an operating assembly and a fixing assembly, wherein the connecting points on the components of the assemblies have mounting holes and the turbine exhauster is assembled directly by using pull pins or screws. The fixing assembly includes an upper, a lower portion and a fixing seat of a central seat. The upper portion and the lower portion of the central seats are formed respectively from a plurality of upper sheets and lower sheets to complete the cylindrical structure. The bottom edge of the upper portion and the top edge of the lower portion are both beveled. By rotating the upper portion, the fan assembly can be adjusted at a slope of a supporting surface to a horizontal state. A user can be easily assembled and all the components can be packaged in a compact case.