WATER-JET PROPELLER Russian patent published in 2012 - IPC B63H11/00 B62M1/04 A63B31/08 A63B35/00 

FIELD: transport.

SUBSTANCE: invention relates to sport and touristic surface and submerged water-borne vehicles. Water-jet propeller has closed body, plate-valve water intake devices, channel of outflow acceleration, system for connecting to propelled object, propellant expulsion module, propellant expulsion module control system. System for connecting to propelled object is made of belts for shank binding and foot pads located at outside of body. Propellant expulsion module is made as stretching train, muscular drive of tail stretching device, and freewheel clutches. The train consists of fastening train tail, several interconnected in series pneumatic components of train and non-stretching train sheet. Train sheet in its upper part is attached to muscular drive of train tension device in the form of spool. The spool is immovably slipped over working shaft installed inside body in its upper part. Freewheel clutches are mounted on working shaft at both sides of spool and equipped with rotation mechanism. Propellant expulsion module control system consists of train locking in tensioned condition assembly and train locking assembly release mechanism. Release mechanism is made as mechanical connection of train locking assembly with drive. The drive is made as propellant expulsion module control pedal. The pedal is mounted at outside of propellant body near foot pad.

EFFECT: independence and safety of use, simple operation.

2 cl, 2 dwg