US3912937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine electrical energy generating apparatus
Assignee: Individual
•
Filing: 1973-07-20
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Granted: 1975-10-14
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Expires: 1993-07-20
Abstract
Abstract This invention relates to a submarine electrical energy generating apparatus for utilizing the currents of oceans and seas to generate electricity comprising an electrical generator in a waterproof compartment, a turbine comprising a rotatable shaft having dual pitched wheel vanes extending therefrom and louvers pivotally mounted on said vanes in such manner and so structured so as to be under the constant control of the water current, and means operatively associated with said shaft and said generator for transmitting movement from the shaft to the generator.
Inventors
- 👤 Jerome M Lesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:43
CPC Classifications
F; F03; F03B; F03B17/00; F03B17/06; F03B17/062; F03B17/065; F05; F05B; F05B2240/00; F05B2240/20; F05B2240/21; F05B2240/221; F05B2260/00; F05B2260/70; F05B2260/72; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y02E10/30
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
178 words
Electrical energy generating apparatus comprising an electrical generator, a turbine comprising a rotatable shaft having a plurality of dual pitched wheel vanes extending therefrom and louvers pivotally mounted on said vanes and so structured so as to be under the constant control of water current, each of said dual pitched vanes having at least one louver pivotally mounted on a first portion of each said vanes and at least one louver pivotally mounted on a second portion of each said vanes, such that whenever one of said vanes is moving from a point just below to a point just above the centerline of said shaft said louver on said first portion is closed, whereas said louver on said second portion is open, and whenever each of said vanes is moving from a point just above to a point just below the centerline said louver on said first portion is open, whereas said louver on said second portion is closed, and means operatively associated with said shaft and said generator for transmitting movement of the shaft to the generator.
Claim 2
Dependent Claim
178 words
Electrical energy generating apparatus comprising an electrical generator, a turbine comprising a rotatable shaft having a plurality of dual pitched wheel vanes extending therefrom and louvers pivotally mounted on said vanes and so structured so as to be under the constant control of water current, each of said dual pitched vanes having at least one louver pivotally mounted on a first portion of each said vanes and at least one louver pivotally mounted on a second portion of each said vanes, such that whenever one of said vanes is moving from a point just below to a point just above the centerline of said shaft said louver on said first portion is closed, whereas said louver on said second portion is open, and whenever each of said vanes is moving from a point just above to a point just below the centerline said louver on said first portion is open, whereas said louver on said second portion is closed, and means operatively associated with said shaft and said generator for transmitting movement of the shaft to the generator.
Claim 3
Dependent Claim
18 words
The apparatus of claim 1, in which the elements of the turbine are coated with an anti-fouling coating.
Claim 4
Dependent Claim
36 words
The apparatus of claim 1, including a movable baffle plate positioned so as to be moved to and from a position between the current and the turbine to regulate action of the current on the turbine.
Claim 5
Dependent Claim
31 words
The apparatus of claim 3, in which each individual vane has at least two louvers which interlock when brought into contact with the vane due to action of the water current.
Claim 6
Dependent Claim
17 words
The apparatus of claim 1 wherein said transmitting means comprises a geared transmission coupled to said shaft.
Claim 7
Dependent Claim
48 words
The apparatus of claim 1 wherein the wheel vanes and louvers are so structured that those closed louvers at a point just below the center line of said rotatable shaft will be pushed in a direction in harmony with the vanes above the center line of said shaft.
Claim 8
Dependent Claim
57 words
The apparatus as set forth in claim 1 in which said louvers on said first and second portions on each of said vanes are closed during a portion of their movement above the centerline to form a bucket for receiving the forces of fluid current, and are open during a portion of their movement below the centerline.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-13 | 1979-04-14 | 1979-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-13 | 1983-04-14 | 1983-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-13 | 1987-04-14 | 1987-10-14 | $7700.00 | Window Closed / Lapsed |