# US 2013/0156566 A1 · High-efficiency thruster independentof the outside environment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0156566 A1 - Document ID: US20130156566A1 - Status: Published application - Kind: A1 - Application number: 13/518,467 - Filed: 2010-12-29 - Published: 2013-06-20 - Earliest claimed: 2009-12-31 - Inventors: Gilbert LY - Web page: https://patentgrep.com/patent/US20130156566A1 ## CPC - F01D 1/10: having two or more stages subjected to working-fluid flow without essential intermediate pressure change, i.e. with velocity stages (F01D1/12 takes precedence) - F01D 1/08: having inward flow - F01D 1/12: with repeated action on same blade ring - F01D 1/14: traversed by the working-fluid substantially radially - F03B 3/106: {the turbine wheel and the pumps wheel being mounted in adjacent positions on the same shaft in a single casing} - F03B 17/005: {Installations wherein the liquid circulates in a closed loop (F03B13/06 takes precedence); Alleged perpetua mobilia of this or similar kind (perpetua mobilia using hydrostatic thrust or buoyancy F03B17/04)} - F03G 7/122: {of closed energy loops} - F03H 99/00: Subject matter not provided for in other groups of this subclass - Y02E 10/20: Hydro energy - Y02T 50/60: Efficient propulsion technologies, e.g. for aircraft - F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D) - F03B: MACHINES OR ENGINES FOR LIQUIDS (positive-displacement engines for liquid F03C; machines for liquids and gases F01; positive-displacement machines for liquids F04, rotary fluid gearing of the hydrokinetic type F16H41/00) - F03G: SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR (arrangements in connection with power supply in vehicles from force of nature B60K16/00; electric propulsion with power supply in vehicles from force of nature B60L8/00) - F03H: PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR (from combustion products F02K) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract The invention relates to an ecological thrusting device enabling optimum thrust independent from the outside environment. It consists of a special Francis turbine (1) from which the fluid is axially ejected at the outlet of the vane (1′), at a relative speed W2t, and is collected in a defined free space of a straight radial pump (2). Under the action of the centrifugal force, the limit of the current lines forms a fixed virtual barrier Yt, thus preventing the centrifuged fluid from reaching the bottom of the pump in the free space area MNBCPQ, thereby eliminating the antagonistic force exerted on said zone. As a result, the thrusting force exerted on the turbine by the fluid remains intact. As the fluid leaves the pump, it is axially reinjected at a relative speed W2p into a tank (4) for resupplying the turbine. There is therefore an energy exchange between the pumps and the turbine that form a closed circuit, the entire system being driven by a motor (10). It is shown that the thrust force P=(½) pπω2 r4; p being the density of the centrifuged fluid in en Kg/m3; ω being the angular speed of the turbine in rad/s; and r its radius in metres and P in Newtons. The calculation shows that the amount of thrust generated is very high; said thruster can be used to generate mechanical energy anywhere in space, and especially to drive the most highly efficient flying machines. ## Claims ### Claim 1 An ecological power unit characterized in that it comprises a special turbine of the Francis type, from where the fluid is axially ejected to the outlet of the blade with a relative velocity, W2t, and is collected in a free space (without centrifuged fluid) of a straight radial Pump in order to be axially reinjected with a relative velocity, W2p into an immobile tank in order to be resupplied to the Turbine via distributors with an absolute velocity C1t with the pressure P1t, thus forming the closed circuit in a sealed wall, the Turbine Pump unit being actuated by a motor coupled to a common shaft. ### Claim 2 (depends on 1) A power unit according to claim 1 characterized in that the relative axial velocity, W2t (or W1p, relative velocity at the inlet of the Pump) is equal to the circumferential velocity, r×ω, and it is the same as the relative axial velocity at the outlet of the Pump, W2p. ### Claim 3 (depends on 1) A power unit according to claims 1 characterized in that the absolute velocity, C1t at the inlet of the Turbine with a pressure, P1t, ensures, first, a given flow rate and, second, overcoming the centrifugal force imposed by the corresponding rotation of the fluid. ### Claim 4 (depends on 3) A power unit according to claim 3 characterized in that the radius of the hub at the outlet of the Turbine, r0 is equal or greater than 37% of the radius of the Turbine outlet, r; in order to avoid overlap between the current threads in the free space zone of the Pump. ### Claim 5 (depends on 4) A power unit according to claim 4 characterized in that the blade of the Turbine could have the form according to the conditions of the fluid flow. ### Claim 6 (depends on 1) A power unit according to claim 1 characterized in that the bottom of the Turbine is equipped with sealing fins in order to separate the centrifuged fluid from the common shaft communicating towards the exterior. ### Claim 7 (depends on 1) A power unit according to claim 1 characterized in that the bottom of the Pump comprises a port for the taking of the static pressure of the centrifuged fluid, and regulating it if necessary. ### Claim 8 (depends on 7) A power unit according to claim 7 characterized in that the bottom of the Pump, in the free space zone, comprises two ports whose opening is controlled by two solenoid valves that communicate with the cooling circuit towards the exterior. ### Claim 9 (depends on 1) A power unit according to claim 1 characterized in that the contact surfaces with the fluid flow are coated with a layer of PTFE (Teflon) in order to reduce the friction.