35results about How to "Avoiding Frictional Energy Problems" patented technology

The invention discloses a birotor efficient forward loading water bucket type hydraulic generator. The birotor efficient forward loading water bucket type hydraulic generator comprises a first rotor mechanism, a second rotor mechanism, a runner mechanism, a fixed spindle and a spray pipe. The runner mechanism comprises a water bucket and a turbine disc which is hollow. The water bucket is distributed on the outer circumference of the turbine disc. The outer circumference of the first rotor mechanism is fixedly installed on the inner circumference of the turbine disc. The second rotor mechanism and the first rotor mechanism are arranged coaxially in an inner-outer spaced mode. The center of the second rotor mechanism is fixedly installed on the fixed spindle. The spray pipe is installed on the outer side of the radial direction of the water bucket. According to the birotor efficient forward loading water bucket type hydraulic generator, a ventilating system or a cooling water system is not needed, few consumables are needed, the universality is good, the size is small, the material requirement is low, and the service life is long.

The invention discloses a horizontal type efficient excitation outer impeller inclined-jet hydraulic generator and an acting method thereof. The horizontal type efficient excitation outer impeller inclined-jet hydraulic generator comprises a power generating mechanism, an excitation mechanism, an inclined-jet impeller mechanism and a rotary shaft mechanism. The inclined-jet impeller mechanism comprises inclined-jet blades, an annular rotary cover and an annular fixed cover. The inclined-jet blades are annularly distributed on the outer side of the annular rotary cover. The annular rotary cover and the annular fixed cover are connected through a sealing bearing to form a sealed annular cavity. The power generating mechanism and the excitation mechanism are coaxially installed in the annular cavity in a front-back mode side by side. The annular fixed cover is fixedly installed on a horizontal supporting rack. The horizontal type efficient excitation outer impeller inclined-jet hydraulic generator is long in service life, low in construction cost and production management cost, good in universality and high in kinetic energy conversion efficiency.

The invention discloses a birotor annular loading efficient excitation mixed flow hydraulic generator. The birotor annular loading efficient excitation mixed flow hydraulic generator comprises a first armature mechanism, a second armature mechanism, an excitation mechanism, a seal cover body mechanism, a draft tube, a guide vane mechanism, a first runner, a second runner and a volute. The volute, the guide vane mechanism, the first runner, the second runner and the draft tube forms a water flow channel sequentially. The seal cover body mechanism comprises a first rotary cover and a second rotary cover. The first rotary cover and the second rotary cover are coaxially connected to form a closed annular cavity. The first armature mechanism, the excitation mechanism and the second armature mechanism are installed in the annular cavity sequentially coaxially in parallel in an inner-middle-outer-layer mode. The excitation mechanism is installed in the middle in the first rotary cover. The first armature mechanism is installed on the inner diameter side in the second rotary cover. The second armature mechanism is installed on the outer diameter side in the second rotary cover. The birotor annular loading efficient excitation mixed flow hydraulic generator is long in life, low in construction cost and production management cost and high in water power conversion efficiency.

The invention discloses a horizontal type inclined-jet middle-blade hydraulic generator easy to cool and an acting method thereof. The horizontal type inclined-jet middle-blade hydraulic generator easy to cool comprises a power generating mechanism, an excitation mechanism, an inclined-jet impeller mechanism and a rotating shaft mechanism. The inclined-jet impeller mechanism comprises inclined-jet blades, an annular front hood and an annular rear hood, wherein the inclined-jet blades are annularly distributed on the inner side of the annular front hood, the annular front hood and the annular rear hood are connected through a sealing bearing to form a sealed annular cavity, and the power generating mechanism and the excitation mechanism are coaxially mounted in the annular cavity in parallel in an inside-outside mode. The annular rear hood is fixedly mounted on a supporting table. The horizontal type inclined-jet middle-blade hydraulic generator easy to cool is long in service life, low in building cost and production management cost, good in universality and high in kinetic energy converting efficiency.

The invention discloses a through flat assembling movable blade through-flow type hydraulic generator which comprises a rotor mechanism, a stator mechanism, a turning wheel mechanism, a guide vane mechanism, a water inlet tube and a draft tube. The stator mechanism and the rotor mechanism are coaxial; the stator mechanism is located on the inner side of the rotor mechanism; the front side of the turning wheel mechanism is in butt joint with the water inlet tube through a rotary shaft; the guide vane mechanism is located in front of the turning wheel mechanism and fixedly installed inside the water inlet tube; and a middle channel of the stator mechanism is in butt joint with the draft tube. The through flat assembling movable blade through-flow type hydraulic generator is free of ventilation systems or cooling water systems, good in universality, small in size, low in requirement for materials and long in service life, and a few consumables are needed.

The invention discloses an integrated forward adjustable-pitch tubular hydraulic generator which comprises a rotor mechanism, a stator mechanism, a runner mechanism, a guide vane mechanism, a water inlet pipe and an exhaust water pipe. The stator mechanism and the rotor mechanism are coaxial. The stator mechanism is located on the inner side of the rotor mechanism. The guide vane mechanism is fixedly installed in front of the rotor mechanism. The water inlet pipe is located in front of the guide vane mechanism. The exhaust water pipe is located behind the rotor mechanism. According to the integrated forward adjustable-pitch tubular hydraulic generator, no ventilation system or cooling water system is needed, the quantity of required consumables is small, the universality is good, the size is small, the material requirement is low, and the service life is long.

The invention discloses a horizontal through flat fixed paddle axial flow hydraulic generator and an acting method thereof. The horizontal through flat fixed paddle axial flow hydraulic generator comprises a power generation mechanism, an excitation mechanism, a rotating wheel mechanism, a tail water pipe, a water guide mechanism and a rotating wheel chamber; the rotating wheel mechanism includes rotating blades, a rotating front cover and a fixed back cover; the rotating blades are distributed on the inner side of the rotating front cover in a fan form; the rotating front cover and the fixed back cover are connected through a seal bearing to form a closed annular cavity; the power generation mechanism and the excitation mechanism are coaxially mounted in the annular cavity side by side inside and outside; and the water guide mechanism, the rotating wheel chamber and the tail water pipe form a water current closing channel. The horizontal through flat fixed paddle axial flow hydraulic generator is long in life, lower in construction cost and production management cost and high in water energy conversion efficiency.

The invention discloses an integrated flat assembling mixed-flow type hydraulic generator. The integrated flat assembling mixed-flow type hydraulic generator comprise an armature mechanism, an excitation mechanism, a sealing cover mechanism, a draft tube, a guide vane mechanism, a turning wheel and a volute. The volute, the guide vane mechanism, the turning wheel and the draft tube sequentially form a water flow channel; the sealing cover mechanism comprises a rotary cover and a fixed cover; the rotary cover and the fixed cover are coaxially connected through a sealing bearing to form a closed annular cavity; the excitation mechanism and the armature mechanism are coaxially installed in the annular cavity in parallel in an upper layer and lower layer mode; the excitation mechanism is installed in the rotary cover; and the armature mechanism is installed in the fixed cover. The integrated flat assembling mixed-flow type hydraulic generator is long in service life, low in building cost and production and management cost and high in water power conversion efficiency.

The invention discloses a through obverse assembling fixed blade through-flow type hydraulic generator which comprises a rotor mechanism, a stator mechanism, a turning wheel mechanism, a guide vane mechanism, a water inlet tube and a draft tube. The stator mechanism and the rotor mechanism are coaxial; the stator mechanism is located on the inner side of the rotor mechanism; the guide vane mechanism is fixedly installed on the front side of the rotor mechanism; the water inlet tube is arranged in front of the guide vane mechanism; and the draft tube is located on the rear side of the rotor mechanism. The through obverse assembling fixed blade through-flow type hydraulic generator is free of ventilation systems or cooling water systems, good in universality, small in size, low in requirement for materials and long in service life, and a few consumables are needed.

The invention discloses a horizontal type center-through reversely-installed inclined-jet hydraulic generator and an acting method thereof. The horizontal type center-through reversely-installed inclined-jet hydraulic generator comprises a power generating mechanism, an excitation mechanism, an inclined-jet impeller mechanism and a rotating shaft mechanism. The inclined-jet impeller mechanism comprises inclined-jet blades, an annular inner hood and an annular outer hood, wherein the inclined-jet blades are annularly distributed on the inner side of the annular inner hood, the annular inner hood and the annular outer hood are connected through a sealing bearing to form a sealed annular cavity, and the power generating mechanism and the excitation mechanism are coaxially mounted in the annular cavity in parallel in a front-back mode. The annular outer hood is fixedly mounted on a supporting table. The horizontal type center-through reversely-installed inclined-jet hydraulic generator is long in service life, low in building cost and production management cost, good in universality and high in kinetic energy converting efficiency.

The invention discloses a horizontal type annular efficient excitation adjustable-pitch axial flow hydraulic generator and an acting method. The horizontal type annular efficient excitation adjustable-pitch axial flow hydraulic generator comprises a power generating mechanism, an excitation mechanism, a runner mechanism, an exhaust water pipe, a water guiding mechanism and a runner chamber. The runner mechanism comprises rotary blades, an annular rotary cover and an annular fixed cover. The rotary blades are distributed on the inner side of the annular rotary cover in a fan-shaped mode. The annular rotary cover and the annular fixed cover are connected through a sealing bearing to form a sealed annular cavity. The power generating mechanism and the excitation mechanism are coaxially installed in the annular cavity in a front-back mode side by side. A sealed water flow channel is formed by the water guiding mechanism, the runner chamber and the exhaust water pipe. The horizontal type annular efficient excitation adjustable-pitch axial flow hydraulic generator is long in service life, low in construction cost and production management cost and high in hydraulic energy conversion efficiency.

The invention discloses an umbrella type through reversed inclined-jet hydraulic generator and an acting method thereof. The umbrella type through reversed inclined-jet hydraulic generator comprises a power generating mechanism, an excitation mechanism, an inclined-jet impeller mechanism and a rotary shaft mechanism. The inclined-jet impeller mechanism comprises inclined-jet blades, an annular inner cover and an annular outer cover. The inclined-jet blades are circularly distributed on the inner side of the annular inner cover. The annular inner cover and the annular outer cover are connected through a sealing bearing to form a sealed annular cavity. The power generating mechanism and the excitation mechanism are coaxially installed in the annular cavity side by side in an up-down mode. The annular outer cover is fixedly installed on a supporting tube column. The umbrella type through reversed inclined-jet hydraulic generator is long in service life, low in construction cost and production management cost, good in universality and high in kinetic energy conversion efficiency.

The invention discloses an umbrella-type efficient excitating middle-through oblique impact type hydrogenerator and a work doing method thereof. The umbrella-type efficient excitating middle-through oblique impact type hydrogenerator comprises a power generation mechanism, an excitating mechanism, an oblique impact impeller mechanism and a rotary shaft mechanism, wherein the oblique impact impeller mechanism comprises oblique impact blades, an annular rotary hood and an annular fixed hood; the oblique impact blades are annularly distributed inside the annular rotary hood; the annular rotary hood and the annular fixed hood are connected through a sealing bearing to form a closed annular cavity; the power generation mechanism and the excitating mechanism are coaxially mounted in the annular cavity in parallel up and down, and the annular fixed hood is fixedly mounted on a supporting tubular column. The umbrella-type efficient excitating middle-through oblique impact type hydrogenerator disclosed by the invention is long in service life, relatively low in construction cost and production management cost, relatively good in universality and high in kinetic energy conversion efficiency.

The invention discloses a horizontal through reverse rotating paddle axial flow hydraulic generator and an acting method thereof. The horizontal through reverse rotating paddle axial flow hydraulic generator comprises a power generation mechanism, an excitation mechanism, a rotating wheel mechanism, a tail water pipe, a water guide mechanism and a rotating wheel chamber; the rotating wheel mechanism includes rotating blades, a rotating inner cover and a fixed outer cover; the rotating blades are distributed on the inner side of the rotating inner cover in a fan form; the rotating inner cover and the fixed outer cover are connected through a seal bearing to form a closed annular cavity; the power generation mechanism and the excitation mechanism are coaxially mounted in the annular cavity side by side up and down; and the water guide mechanism, the rotating wheel chamber and the tail water pipe form a water current closing channel. The horizontal through reverse rotating paddle axial flow hydraulic generator is long in life, lower in construction cost and production management cost and high in water energy conversion efficiency.

The invention discloses a double-rotor flat assembling movable blade through-flow type hydraulic generator which comprises an armature rotor mechanism, an excitation rotor mechanism, a first turning wheel mechanism, a second turning wheel mechanism, a guide vane mechanism, a water inlet tube, a draft tube and a supporting shaft. The armature rotor mechanism and the excitation rotor mechanism are coaxially and rotationally installed on the supporting shaft in parallel front and back; the circumferential outer diameter part of the armature rotor mechanism is fixedly connected with the first turning wheel mechanism; the circumferential outer diameter part of the excitation rotor mechanism is fixedly connected with the second turning wheel mechanism; the guide vane mechanism is fixedly installed on the front side of the first turning wheel mechanism; the water inlet tube is arranged in front of the guide vane mechanism; and the draft tube is located on the rear side of the second turning wheel mechanism. The double-rotor flat assembling movable blade through-flow type hydraulic generator is free of ventilation systems or cooling water systems, high in power generation efficiency, good in universality, small in size, low in requirement for materials and long in service life, and a few consumables are needed.

The invention discloses a horizontal through reverse spiral axial flow hydraulic generator and an acting method thereof. The horizontal through reverse spiral axial flow hydraulic generator comprises a power generation mechanism, an excitation mechanism, a rotating wheel mechanism, a tail water pipe, a water guide mechanism and a rotating wheel chamber; the rotating wheel mechanism includes spiral blades, a rotating inner cover and a fixed outer cover; the spiral blades are spirally distributed on the inner side of the rotating inner cover; the rotating inner cover and the fixed outer cover are connected through a seal bearing to form a closed annular cavity; the power generation mechanism and the excitation mechanism are coaxially mounted in the annular cavity side by side up and down; and the water guide mechanism, the rotating wheel chamber and the tail water pipe form a water current closing channel. The horizontal through reverse spiral axial flow hydraulic generator is long in life, lower in construction cost and production management cost and high in water energy conversion efficiency.

The invention discloses an efficient multistage middle-hollow mixed-flow type integrated hydro-generator which comprises a first stator mechanism, a second stator mechanism, a first rotor mechanism, a second rotor mechanism and a rotating wheel mechanism, wherein the rotating wheel mechanism comprises a first rotary inner cover, a second rotary inner cover and a fixed outer cover that are connected through a sealed bearing to form a closed annular cavity; a first rotary impeller and a second rotary impeller are mounted on the inner sides of the first rotary inner cover and the second rotary inner cover; the first stator mechanism and the first rotor mechanism are mounted pairwise at the upper part in the annular cavity; and the second stator mechanism and the second rotor mechanism are mounted pairwise at the lower part in the annular cavity. The efficient multistage middle-hollow mixed-flow type integrated hydro-generator is high in excitation efficiency, long in service life, low in construction cost and production management cost, and high in water power conversion efficiency.

The invention discloses a vertical through flush helical axial flow-type hydrogenerator and a working method thereof. The vertical through flush helical axial flow-type hydrogenerator comprises a power generation mechanism, an excitation mechanism, a runner mechanism, an exhaust water pipe, a water guide mechanism and a runner chamber, wherein the runner mechanism comprises helical fins, a rotary upper cover and a fixed lower cover; the helical fins are helically distributed on the inner side of the rotary upper cover; the rotary upper cover and the fixed lower cover are connected through a seal bearing to form an enclosed annular cavity; the excitation mechanism and the power generation mechanism are internally and externally arranged in the annular cavity coaxially in parallel; and the water guide mechanism, the runner chamber and the exhaust water pipe form a flow blocking channel. The vertical through flush helical axial flow-type hydrogenerator is long in lifetime; the construction cost and the production management cost are relatively low; and the water energy conversion efficiency is high.

The invention discloses a horizontal type flush efficient excitation adjustable-pitch axial flow hydraulic generator and an acting method thereof. The horizontal type flush efficient excitation adjustable-pitch axial flow hydraulic generator comprises a power generating mechanism, an excitation mechanism, a runner mechanism, an exhaust water pipe, a water guiding mechanism and a runner chamber. The runner mechanism comprises rotary blades, a rotary inner cover and a fixed outer cover. The rotary blades are distributed on the inner side of the rotary inner cover in a fan-shaped mode. The rotary inner cover and the fixed outer cover are connected through a sealing bearing to form a sealed annular cavity. The excitation mechanism and the power generating mechanism are coaxially installed in the annular cavity in an inside-outside mode side by side. A sealed water flow channel is formed by the water guiding mechanism, the runner chamber and the exhaust water pipe. The horizontal type flush efficient excitation adjustable-pitch axial flow hydraulic generator is long in service life, low in construction cost and production management cost and high in hydraulic energy conversion efficiency.

The invention discloses a vertical through reverse rotating paddle axial flow hydraulic generator and an acting method thereof. The vertical through reverse rotating paddle axial flow hydraulic generator comprises a power generation mechanism, an excitation mechanism, a rotating wheel mechanism, a tail water pipe, a water guide mechanism and a rotating wheel chamber; the rotating wheel mechanism includes rotating blades, a rotating inner cover and a fixed outer cover; the rotating blades are distributed on the inner side of the rotating inner cover in a fan form; the rotating inner cover and the fixed outer cover are connected through a seal bearing to form a closed annular cavity; the power generation mechanism and the excitation mechanism are coaxially mounted in the annular cavity side by side up and down; and the water guide mechanism, the rotating wheel chamber and the tail water pipe form a water current closing channel. The vertical through reverse rotating paddle axial flow hydraulic generator is long in life, lower in construction cost and production management cost and high in water energy conversion efficiency.

The invention discloses an integrated reversed fixed-pitch tubular hydraulic generator which comprises a rotor mechanism, a stator mechanism, a runner mechanism, a guide vane mechanism, a water inlet pipe and an exhaust water pipe. The stator mechanism and the rotor mechanism are coaxial. The stator mechanism is located on the inner side of the rotor mechanism. The guide vane mechanism is fixedly installed in front of the rotor mechanism. The water inlet pipe is located in front of the guide vane mechanism. The exhaust water pipe is located behind the rotor mechanism. According to the integrated reversed fixed-pitch tubular hydraulic generator, no ventilation system or cooling water system is needed, the quantity of required consumables is small, the universality is good, the size is small, the material requirement is low, and the service life is long.

The invention discloses a birotor level loading efficient excitation mixed flow hydraulic generator. The birotor level loading efficient excitation mixed flow hydraulic generator comprises a first armature mechanism, a second armature mechanism, an excitation mechanism, a seal cover body mechanism, a draft tube, a guide vane mechanism, a first runner, a second runner and a volute. The volute, the guide vane mechanism, the first runner, the second runner and the draft tube forms a water flow channel sequentially. The seal cover body mechanism comprises a first rotary cover and a second rotary cover. The first rotary cover and the second rotary cover are coaxially connected through a seal bearing to form a closed annular cavity and are located on the inner layer and the outer layer correspondingly. The first armature mechanism, the excitation mechanism and the second armature mechanism installed in the annular cavity sequentially coaxially in parallel in an upper-middle-lower-layer mode. The excitation mechanism is installed in the middle in the first rotary cover. The first armature mechanism is installed on the upper portion of the second rotary cover. The second armature mechanism is installed on the lower portion of the second rotary cover. The birotor level loading efficient excitation mixed flow hydraulic generator is long in life, low in construction cost and production management cost and high in water power conversion efficiency.

The invention discloses an umbrella type efficient excitation outer impeller inclined-jet hydraulic generator and an acting method thereof. The umbrella type efficient excitation outer impeller inclined-jet hydraulic generator comprises a power generating mechanism, an excitation mechanism, an inclined-jet impeller mechanism and a rotary shaft mechanism. The inclined-jet impeller mechanism comprises inclined-jet blades, an annular rotary cover and an annular fixed cover. The inclined-jet blades are annularly distributed on the outer side of the annular rotary cover. The annular rotary cover and the annular fixed cover are connected through a sealing bearing to form a sealed annular cavity. The power generating mechanism and the excitation mechanism are coaxially installed in the annular cavity side by side in an up-down mode. The annular fixed cover is fixedly installed on a supporting tubular column. The umbrella type efficient excitation outer impeller inclined-jet hydraulic generator is long in service life, low in construction cost and production management cost, good in universality and high in kinetic energy conversion efficiency.

The invention discloses a vertical middle-through horizontally mounted rotary blade axial-flow type hydrogenerator and a work doing method thereof. The vertical middle-through horizontally mounted rotary blade axial-flow type hydrogenerator comprises a power generation mechanism, an excitating mechanism, a runner mechanism, a draft pipe, a water guide mechanism and a runner chamber, wherein the runner mechanism comprises rotary blades, a rotary upper hood and a fixed lower hood; the rotary blades are distributed inside the rotary upper hood in a fan shape; the rotary upper hood and the fixed lower hood are connected through a sealing bearing to form a closed annular cavity; the excitating mechanism and the power generation mechanism are coaxially mounted in the annular cavity in parallel inside and outside; and the water guide mechanism, the runner chamber and the draft pipe form a water flow closed channel. The vertical middle-through horizontally mounted rotary blade axial-flow type hydrogenerator disclosed by the invention is long in service life, relatively low in construction cost and production management cost and high in hydroenergy conversion efficiency.

The invention discloses an integrated annular assembling efficient excitation mixed-flow type hydraulic generator which comprises a first armature mechanism, a second armature mechanism, an excitation mechanism, a sealing cover mechanism, a draft tube, a guide vane mechanism, a turning wheel and a volute. The volute, the guide vane mechanism, the turning wheel and the draft tube sequentially form a water flow channel; the sealing cover mechanism comprises a rotary cover and a fixed cover; the rotary cover and the fixed cover are coaxially connected through a sealing bearing to form a closed annular cavity; the first armature mechanism, the excitation mechanism and the second armature mechanism are sequentially and coaxially installed inside the annular cavity in parallel in an inner, middle and outer layer mode; the excitation mechanism is installed in the middle in the rotary cover; the first armature mechanism is installed on the inner-diameter side in the fixed cover; and the second armature mechanism is installed on the outer-diameter side inside the fixed cover. The integrated annular assembling efficient excitation mixed-flow type hydraulic generator is long in service life, low in building cost and production and management cost, high in excitation efficiency and high in water energy conversion efficiency.

The invention discloses an integrated reversed adjustable-pitch tubular hydraulic generator which comprises a rotor mechanism, a stator mechanism, a runner mechanism, a guide vane mechanism, a water inlet pipe and an exhaust water pipe. The stator mechanism and the rotor mechanism are coaxial. The stator mechanism is located on the inner side of the rotor mechanism. The guide vane mechanism is fixedly installed in front of the rotor mechanism. The water inlet pipe is located in front of the guide vane mechanism. The exhaust water pipe is located behind the rotor mechanism. According to the integrated reversed adjustable-pitch tubular hydraulic generator, no ventilation system or cooling water system is needed, the quantity of required consumables is small, the universality is good, the size is small, the material requirement is low, and the service life is long.

The invention discloses a horizontal type middle-hollow forwardly-mounted movable-blade axial-flow type hydro-generator and a work doing method thereof. The horizontal type middle-hollow forwardly-mounted movable-blade axial-flow type hydro-generator comprises a power generation mechanism, an excitation mechanism, a rotating wheel mechanism, a draft tube, a water guide mechanism and a rotating wheel chamber, wherein the rotating wheel mechanism comprises rotating blades, a rotary inner cover and a fixed outer cover; the rotating blades are arranged on the inner side of the rotary inner cover in a fanshape; the rotary inner cover is connected with the fixed outer cover through a sealed bearing to form aclosed annular cavity; the power generation mechanism and the excitation mechanism are coaxially mounted in the annular cavity in a vertically parallel manner; and the water guide mechanism, the rotating wheel chamber and the draft tube form a water flow closed channel. The horizontal type middle-hollow front-mounted movable-blade axial-flow type hydro-generator is long in service life, low in construction cost and production management cost, and high in water power conversion efficiency.

The invention discloses a through obverse assembling movable blade through-flow type hydraulic generator which comprises a rotor mechanism, a stator mechanism, a turning wheel mechanism, a guide vane mechanism, a water inlet tube and a draft tube. The stator mechanism and the rotor mechanism are coaxial; the stator mechanism is located on the inner side of the rotor mechanism; the guide vane mechanism is fixedly installed on the front side of the rotor mechanism; the water inlet tube is arranged in front of the guide vane mechanism; and the draft tube is located on the rear side of the rotor mechanism. The through obverse assembling movable blade through-flow type hydraulic generator is free of ventilation systems or cooling water systems, good in universality, small in size, low in requirement for materials and long in service life, and a few consumables are needed.

The invention discloses a horizontal type center-through reversely-installed fixed-paddle axial flow hydraulic generator and an acting method thereof. The horizontal type center-through reversely-installed fixed-paddle axial flow hydraulic generator comprises a power generating mechanism, an excitation mechanism, a rotating wheel mechanism, a draft tube, a water guiding mechanism and a rotating wheel chamber. The rotating wheel mechanism comprises rotating blades, a rotary inner hood and a fixed outer hood, wherein the rotating blades are distributed on the inner side of the rotary inner hood in a sector shape, the rotary inner hood and the fixed outer hood are connected through a sealing bearing to form a sealed annular cavity, and the power generating mechanism and the excitation mechanism are coaxially mounted in the annular cavity in parallel in an up-down mode. A closed water flow channel is formed by the water guiding mechanism, the rotating wheel chamber and the draft tube. The horizontal type center-through reversely-installed fixed-paddle axial flow hydraulic generator is long in service life, low in building cost and production management cost and high in water energy converting efficiency.

The invention discloses an umbrella type center-through forward-installed inclined-jet hydraulic generator and an acting method thereof. The umbrella type center-through forward-installed inclined-jet hydraulic generator comprises a power generating mechanism, an excitation mechanism, an inclined-jet impeller mechanism and a rotating shaft mechanism. The inclined-jet impeller mechanism comprises inclined-jet blades, an annular inner hood and an annular outer hood, wherein the inclined-jet blades are annularly distributed on the inner side of the annular inner hood, the annular inner hood and the annular outer hood are connected through a sealing bearing to form a sealed annular cavity, and the power generating mechanism and the excitation mechanism are coaxially mounted in the annular cavity in parallel in an up-down mode. The annular outer hood is fixedly mounted on a suspending tubular arm. The umbrella type center-through forward-installed inclined-jet hydraulic generator is long in service life, low in building cost and production management cost, good in universality and high in kinetic energy converting efficiency.