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US4816697A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable hydroelectric power unit

Assignee: Individual
•
Filing: 1987-02-05
•
Granted: 1989-03-28
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Expires: 2007-02-05
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Abstract

Abstract The present apparatus is a hydroelectric power device for generating energy from currents of water. It includes a blade spiraling about a spindle or shaft which is connected to a generator. The rotation of the blade and shaft is converted by the generator into energy.

Inventors

  • 👤 Nikolaes A. Nalbandyan
  • 👤 Grigor A. Nalbandyan
  • 👤 Harutyun G. Nalbandyan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:58
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/04; F03B17/00; F03B17/06; F03B17/061; Y; Y02; Y02E; Y02E10/00; Y02E10/20

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 105 words
A hydroelectric power unit comprised of: a blade spiraling about a major axis and angling away therefrom, said blade having a first end along said axis and a second end opposite said first end; a shaft extending along said major axis and connected to said blade; at least one universal joint connected to said shaft; gears associated with said universal joint for magnifying the rotational movement of said shaft; and a generator, such that rotation of said blade is communicated to said shaft which causes rotation of said universal joint and gears which rotation is then communicated to said generator and converted to usable energy.
Claim 2
Dependent Claim 105 words
A hydroelectric power unit comprised of: a blade spiraling about a major axis and angling away therefrom, said blade having a first end along said axis and a second end opposite said first end; a shaft extending along said major axis and connected to said blade; at least one universal joint connected to said shaft; gears associated with said universal joint for magnifying the rotational movement of said shaft; and a generator, such that rotation of said blade is communicated to said shaft which causes rotation of said universal joint and gears which rotation is then communicated to said generator and converted to usable energy.
Claim 3
Dependent Claim 18 words
The hydroelectric power unit of claim 1 further including a water-tight housing surrounding said generator and said gears.
Claim 4
Dependent Claim 24 words
The hydroelectric power unit of claim 2 further including a housing surrounding said blade, said housing including mounting means for rotatably mounting said shaft.
Claim 5
Dependent Claim 43 words
The hydroelectric power unit of claim 3 wherein said housing surrounding said shaft is attached to said water-proof housing and is generally cylindrical in shape from said first end of said blade to said second end of said blade and then widens gradually.
Claim 6
Dependent Claim 27 words
The hydroelectric power unit of claim 4 wherein said portion of the shaft housing which widens gradually houses a portion of said water-tight housing and attaches thereto.
Claim 7
Dependent Claim 27 words
The hydroelectric power unit of claim 3 wherein said housing is a framework of intersecting bars and is cylindrical in shape and attaches to said water-proof housing.
Claim 8
Dependent Claim 27 words
The hydroelectric power unit of claim 3 wherein said housing is a framework of intersecting bars and is rectangular in shape and attaches to said water-proof housing.
Claim 9
Dependent Claim 33 words
The hydroelectric power unit of claim 3 further including filter means about at least a portion of said housing to keep debris from entering said housing and preventing the rotation of said blade.
Claim 10
Dependent Claim 53 words
The hydroelectric power unit of claim 3 wherein said housing is comprised of an inner skin, an outer skin, and walls, said inner skin and said outer skin defining a sealed air opening therebetween, said walls acting to pocket said air and support said skins such that said housing can float in water.
Claim 11
Dependent Claim 45 words
The hydroelectric power unit of claim 9 wherein said inner skin tapers toward said outer skin at least one end of said blade causing the opening of said housing to said blade to be widened thereby enabling a greater flow of current through said housing.
Claim 12
Dependent Claim 162 words
The hydroelectric power unit of claim 10 further including anchoring means connected to an end of said housing; filter means located between said anchoring means and slidably connected thereto, said filter means acting to keep debris from entering said inner skin; and slats connected between said inner skin and said anchoring means, said slats being slidably attached to said anchoring means and solidly attached at at least one point of said filter means, said anchoring means being placed at a distance from said housing end and situated to be wider than said housing end such that said slats are connected to said anchoring means to define a funnel between said anchoring means and said inner skin so that a greater amount of water passes through said inner skin, said slidable connection of said slats and said filter means with said anchoring means enabling at least said housing, said slats and said filter means to float upwardly and downwardly on said anchoring means.
Claim 13
Dependent Claim 30 words
The hydroelectric power unit of claim 3 further including anchoring means, said anchoring means being attachable to said water-proof housing and said blade housing for anchoring said housing in place.
Claim 14
Dependent Claim 208 words
The hydroelectric power unit of claim 3 further including support means, said support means being attachable to a vehicle and being comprised of: a first bar having two opposing ends capable of illumination; at least two bars perpendicular to said first bar and near said two opposing ends capable of illumination, said perpendicular bars containing means for holding said waterproof housing and said housing surrounding said blade; at least one rotational support means for holding and rotating said first bar; and lowering means slidingly received and fixedly held in said rotational support means and parallel of said perpendicular bars, said lowering means including a support and a pointed end, said support end being capable of support said waterproof housing and said blade housing, said pointed end being capable of being planted in the ground, said support means being connectable to the side of a vehicle such that said first rod is parallel to the major axis of said vehicle and said perpendicular bars and said lowering means are used to support a waterproof housing and a blade housing, and upon lowering of said lowering means from said housing, said first rod may be rotated away from said vehicle to facilitate the removal of said waterproof and blade housing.
Claim 15
Dependent Claim 21 words
The hydroelectric power unit of claim 6 wherein said blade is made of plastic and said housing is made of plastic.
Claim 16
Dependent Claim 17 words
The hydroelectric power unit of claim 6 wherein said blade arcs and angles away from said shaft.
Claim 17
Dependent Claim 24 words
The hydroelectric power unit of claim 12 including adjustment means for adjusting the arc and angle of said blade with respect to said shaft.
Claim 18
Dependent Claim 22 words
The hydroelectric power unit of claim 6 including adjustment means for adjusting the angle of said blades with respect to said shaft.
Claim 19
Dependent Claim 127 words
A hydroelectric power unit comprised of: a blade spiraling about a major axis and angling away therefrom, said blade having a first end along said axis and a second end opposite said first end; a shaft extending along said major axis and connected to said blade; a generator, said blade being rotatably mounted to said generator such that rotation of said blade is communicated to said generator and converted into electricity; and attachment means at the end of said shaft opposite said generator, said attachment means being operable to connect said shaft in series to a second shaft having at least one blade thereon so that the rotational movement of said second shaft and the rotational movement of said first shaft are both communicated to said generator.
Claim 20
Dependent Claim 127 words
A hydroelectric power unit comprised of: a blade spiraling about a major axis and angling away therefrom, said blade having a first end along said axis and a second end opposite said first end; a shaft extending along said major axis and connected to said blade; a generator, said blade being rotatably mounted to said generator such that rotation of said blade is communicated to said generator and converted into electricity; and attachment means at the end of said shaft opposite said generator, said attachment means being operable to connect said shaft in series to a second shaft having at least one blade thereon so that the rotational movement of said second shaft and the rotational movement of said first shaft are both communicated to said generator.
Claim 21
Dependent Claim 95 words
A hydroelectric power unit comprised of: a blade spiraling about a major axis and angling away therefrom, said blade having a first end along said axis and a second end opposite said first end; a shaft extending along said major axis and connected to said blade,wherein said blade arcs and angles away from said shaft; a generator, such that rotation of said blade causes rotation of said shaft which is communicated to said generator and converted to usable energy; and an adjustment means for adjusting the angle of said blade with respect to said shaft.
Claim 22
Dependent Claim 95 words
A hydroelectric power unit comprised of: a blade spiraling about a major axis and angling away therefrom, said blade having a first end along said axis and a second end opposite said first end; a shaft extending along said major axis and connected to said blade,wherein said blade arcs and angles away from said shaft; a generator, such that rotation of said blade causes rotation of said shaft which is communicated to said generator and converted to usable energy; and an adjustment means for adjusting the angle of said blade with respect to said shaft.

References Cited (Backward Citations)

US2929937A Cited
US4258271A Cited
US4227092A Cited
US4218175A Cited
US4524285A Cited
US4324984A Cited
US4392063A Cited
US4600360A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-03-27 1992-09-26 1993-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-03-27 1996-09-26 1997-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-03-27 2000-09-26 2001-03-28 $7700.00 Window Closed / Lapsed

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