A waste heat recovery system for recovering waste heat of in internal combustion engine includes a turbine expander. The turbine expander includes a turbine blade, a shaft coupled to and rotatable by the turbine blade, and a nozzle assembly. The nozzle ass...

A droplet forming device (1) for discharging a droplet in a flying fashion from a nozzle (32), the device includes a liquid chamber (29) that is communicated with the nozzle (32) and is supplied with a liquid material (37), a plunger rod (6) having a tip (...

A diffusion restriction portion (38, 40, 56, 58, 74, 88, 98) is provided to a washer nozzle (10) of a washer device (X) to be opened outside along a direction, in which diffusive flow of cleansing liquid causing self-oscillation is jetted as a sector-shape...