The invention is directed to special effect device that is used to produce a simulated flame that has the shape and, if desired, the color characteristics of an actual flame. The device is particularly adapted to applications in which individuals may be in close proximity to the device. In this regard, the device produces little noise that would indicate to such an individual that the simulated being produced by the device is not a real flame. In one embodiment, the device includes a sintered nozzle that receives a stream of steam and outputs a steam cloud, a steam accelerator for applying a linear stream of air to steam cloud output by the sintered nozzle, and a lighting system to project desired colors onto the linear steam cloud.

A wind direction indicator for hunters includes a smoke generator, a housing, an electrical power source, an air pump and a switch all arranged such that the indicator may be actuated by a hunter using a single hand. The smoke generator may be a cartomizer as an example.

A method for providing visual identification of a flow field across one or more wind turbines includes releasing at least one tracer material from at least one predetermined location of the wind turbine. The method also includes synchronizing the releasing of the tracer material with at least one of one or more operating parameters or one or more wind parameters of the wind turbine. Further, the method includes monitoring, via one or more sensors, a resultant flow pattern of the tracer material from one or more uptower locations.

A smoke generator is provided, including a smoke generating unit and an airflow system. The airflow system has an air inlet passage, an air outlet passage and a vacuum generator, the vacuum generator communicates with the air inlet passage and the air outlet passage, and the vacuum generator has a suction portion communicating with the smoke generating unit.

Fog distribution systems including a fog generation device configured to produce fog. The systems include an output fluidly connected to a collection chamber that captures and accumulates the fog. The collection chamber includes a bottom wall, a first sidewall, a second sidewall, a top wall, and a diverter. The diverter creates a channel between a first space and a second space defined by the diverter within the collection chamber. The collection chamber includes an outlet with a mechanical blower configured to draw the fog from inside the collection chamber through a distribution tube for distribution of the fog to a desired location.

The present disclosure provides a system and related methods for automatically supplying one or more reservoirs with fluid while the fluid level within those reservoirs is below a threshold level, and while there is still enough fluid in the supply to refill them. The reservoirs, which may be coupled to fog or haze machines, are thus maintained at appropriate levels for as long as the fluid supply lasts, without the requirement for manual labour and active monitoring. The system comprises a pump and sensor module which monitors liquid levels both in the supply tank and in the one or more reservoirs, controlling the pump appropriately to keep the reservoirs full but prevent overfilling.

A stage smoke machine with a fast spray gas column includes an oil barrel, an oil pump, a gas tank, a first electromagnetic valve, a heater, a gas-filling device and a controller. In case of gas loss in the gas tank, the gas tank is replenished with the gas by the gas-filling device so that the gas pressure in the gas tank can be maintained at a pressure sufficient to fast spray smoke oil into the heater, thereby ensuring that every time the smoke machine is started, the smoke machine can quickly show a high level stage effect of fast sprayed smoke. Further, an electromagnetic valve module is formed by installing at least two electromagnetic valves integrally on a base.

The present invention relates to a fog-generating device comprising a reagent (1), ignition means (2), a reservoir (3) containing a fog-generating material (4), and a heat exchanger wherein gas generated by ignition of the reagent (1) drives fog-generating material from said reservoir to said heat exchanger. Further it relates to a removable housing for a fog-generating device comprising a reagent and a reservoir containing a fog-generating material, wherein in that said removable housing further comprises means to allow transmission of an ignition signal from said fog-generating device to said reagent. The invention further provides the use of said device and/or removable housing for the generation of fog, in particular to protect against intruders and physical treat by persons. In a particular embodiment, the fog-generating device of the present invention or the removable housing therefore comprises depressurizing means (18). Depressurizing means allow the escape of gas from the device so that the pressure inside the device is reduced and becomes closer to atmospheric pressure.

A novel mobile entertainment apparatus and method of use is disclosed. The apparatus comprises a mobile platform, an enclosure disposed on a top side of the mobile platform, and an obstructed access simulation device disposed on a top side of the mobile platform. The mobile platform comprises a hitch; one or more axles; one or more wheels disposed on the one or more axles; and one or more jacks disposed on a bottom side of the mobile platform. The enclosure comprises a right side wall; a left side wall; a rear wall; and a front wall. The obstructed access simulation device comprises a frame; one or more hinges attached to the frame; a door attached to the one or more hinges; and an obstruction device.

A three-dimensional display system includes a first display and a second display spaced apart from the first display having one or more light sources configured to emit light and to illuminate the first display, where the first display is at least partially transparent such that the second display is visible through the first display. The three-dimensional display system includes a special effect system disposed at least in part between the first display and the second display and is configured to be activated to cause a special effect to be visible through the first display. The three-dimensional display system includes a controller communicatively coupled to the first display, the second display, and the special effect system.