JP2013528748A5 - - Google Patents

Description

In short, maintaining the claims, the casing being connected to the pipe, made for no or substantially no fluid turbine of the fluid, only in such a manner to use different combinations of devices and methods described Be done

Claims (25)

A hydroelectric power generation system in a fluid containing pipe comprising a pipe connected to an outlet and an inlet from a casing, with a connected generator for electrical output, the system comprising:
a. A casing containing a turbine having at least one blade and connected to at least one input pipe and at least one output pipe;
b. At least one gas nozzle provides a substantially continuous positive gas pressure inside the casing via a pressure regulator, and the fluid input nozzle connected to the turbine blade and the inlet pipe is substantially free of backflow fluid A system characterized in that it comprises a gas pressure means that operates to maintain a pressure and operates to discharge fluid downstream at positive pressure . The system of claim 1, further comprising a fluid level sensor downstream from the turbine. Gas pressure means, on 101,325Pa than, and maintains the output fluid pressure system of claim 1.   The system of claim 1, further comprising a blade having a recess facing inwardly and operable to direct at least some water downwardly after striking the blade.   2. The liquid gas interface region-reducing means within the casing downstream from the turbine blade, wherein the region of the interface between the liquid and gas is reduced, thereby reducing the region of the interface between the liquid and the gas. system.   6. System according to claim 5, characterized in that the interface area-reducing means can change the vertical level according to the level of the fluid. Furthermore, characterized in that the turbines including downstream of the one-way valve system of claim 1.   And further comprising a microprocessor control system operative to regulate upstream and / or downstream pressure and / or upstream or downstream flow by using an input from at least one sensor. Item 4. The system according to Item 1.   The system of claim 1, wherein the at least one gas nozzle is oriented relative to the blade inner surface for the purpose of removing liquid before rotating to a position to receive fluid from the input gas nozzle. .   The input fluid nozzle needle valve system of claim 1, further comprising an upstream portion including means for moving in a fluid flow orientation and a downstream portion separable from the upstream portion in a fluid flow orientation. System.   The system of claim 10, wherein the input fluid needle valve system is also expandable in diameter.   The system of claim 1, further comprising a rise upstream of the level of the input pipe adjacent to the casing.   The system according to claim 1, further comprising a recess in an ascending section downstream of the casing or piping to the turbine from the entry point to the casing.   The system of claim 1, wherein the turbine is on a vertical axis.   15. The system of claim 14, further comprising a rise upstream of the level of the input pipe adjacent to the casing.   The system of claim 1, further comprising a one-way valve downstream.   The system of claim 1, wherein at least one turbine blade has a hydrophobic coating. A method of keeping the blades of an in-pipe turbine system in a casing in a substantially water-free state by the following steps, said step comprising:
a. Pumping machine and at least one of the following sets of connected elements: a liquid level sensor, a liquid pressure detector, a gas pressure sensor, for regulating the pressure in a system having 及 beauty needle valve system, the microprocessor control system Process to distribute,
b. A method comprising introducing air bubbles into a casing.   19. The method of claim 18, comprising providing a gas / downstream water interface area reduction means. 20. The method of claim 19, further comprising the step of maintaining a positive pressure of at least 101,325 Pa or higher in the outlet pipe. The system of claim 2 further comprising a PLC controller that obtains input from the level sensor and provides a control output to the gas pressure means. The system of claim 21, wherein the fluid input nozzle is an operable valve, the operable valve receiving a control output from the PLC controller. The system of claim 1, wherein the turbine is a Pelton turbine. A method for adjusting the performance of a hydropower system, the method comprising:
a. Providing an inlet pipe,
b. Providing an outlet pipe,
c. Providing a variable flow rate and / or input fluid for a group of heads;
d. Providing a turbine, surrounded by a casing, operating from a flow of fluid from an inlet pipe;
e. Providing a pressure feeder connected to the casing;
f. Providing a positive gas pressure to the casing through the pump to the extent that downstream fluid is removed from the blade. A method for controlling downstream pressure from a hydroelectric turbine in a piping system, the method comprising:
a. Providing an input pipe and an output pipe;
b. Providing a casing and a turbine each end attached to a pipe;
c. Providing an input fluid nozzle;
d. Providing a pump attached to the casing, the pump operating at a pressure sufficient to maintain the turbine and nozzle above the downstream fluid;
e. Controlling the gas pressure via a pump to maintain fluid movement through the downstream pipe.