US3773429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for pumping liquids in a pipeline
Assignee: Individual
•
Filing: 1971-03-24
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Granted: 1973-11-20
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Expires: 1991-03-24
Abstract
Abstract A pump for use in pumping liquids along a pipeline and having particular use in pumping hydrocarbons along extensive pipelines. The pump can be mono- or multi-stage with each stage having a rotor mounting pivotal paddles disposed on a cone of revolution whose axis is coincident with the axis of the rotor. Mechanical means such as gearing is provided to pivot the paddles, which gearing is operated by a servomotor. This servomotor is controlled by adjustment means which receive signals from measure devices or meters located in the pipe or pipeline and which measure the hydraulic parameters of flow in the pipeline.
Inventors
- 👤 P Hayward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:28
CPC Classifications
F; F04; F04D; F04D3/00; F04D15/00; F04D15/0055; F17; F17D; F17D1/00; F17D1/08; F17D1/14
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
159 words
A device for pumping liquids through a pipe comprising: at least one pump having at least one stage; each pump including: a casing; a rotor; means journalling the rotor for rotation about the longitudinal axis thereof in the casing; means for rotating the rotor about said axis; a plurality of paddles disposed between the rotor and the casing; shaft means mounting each paddle on the rotor for pivotal movement about the longitudinal axis of the respective shaft means said shaft means, collectively, having the longitudinal axes thereof arranged on a cone of revolution coaxial with the rotor; means associated with said rotor, including servomotor means, for pivoting said paddles with respect to the rotor about the longitudinal axes of said shafT means; hydraulic flow parameter measuring means for disposition in said pipe; and adjustable means connecting the measuring means to the servomotor means for effecting pivotal movements of the paddles in response to measurements made by said measuring means.
Claim 2
Independent Claim
159 words
A device for pumping liquids through a pipe comprising: at least one pump having at least one stage; each pump including: a casing; a rotor; means journalling the rotor for rotation about the longitudinal axis thereof in the casing; means for rotating the rotor about said axis; a plurality of paddles disposed between the rotor and the casing; shaft means mounting each paddle on the rotor for pivotal movement about the longitudinal axis of the respective shaft means said shaft means, collectively, having the longitudinal axes thereof arranged on a cone of revolution coaxial with the rotor; means associated with said rotor, including servomotor means, for pivoting said paddles with respect to the rotor about the longitudinal axes of said shafT means; hydraulic flow parameter measuring means for disposition in said pipe; and adjustable means connecting the measuring means to the servomotor means for effecting pivotal movements of the paddles in response to measurements made by said measuring means.
Claim 3
Dependent Claim
64 words
The device of claim 1 further including first complementary spherically curved surface means exteriorly on the rotor and on each paddle at the base thereof; and second complementary spherically curved surface means interovly on the casing and on each paddle distally of the base thereof, the first and second complementary spherically curved surface means being centered on the apex of said cone of revolution.
Claim 4
Dependent Claim
30 words
The device of claim 1 wherein the hydraulic flow parameter measuring means includes a suction pressure measuring device, a delivery pressure measuring device and at least one flow measuring device.
Claim 5
Independent Claim
173 words
A device for pumping liquids comprising; a pipeline; a plurality of pumping stations spaced along the pipeline, each including at least one pump having at least one stage interposed in the pipeline; each pump including: a casing; a rotor; means journalling the rotor for rotation about the longitudinal axis thereof in the casing; means for rotating the rotor about said axis; a plurality of paddles disposed between the rotor and the casing; shaft means mounting each paddle on the rotor; for pivotal movement about the longitudinal axis of the respective shaft means said shaft means, collectively, having the longitudinal axes thereof arranged on a cone of revolution coaxial with the rotor; means associated with said rotor, including servomotor means, for pivoting said paddles with respect to the rotor about the longitudinal axes of said shaft means; hydraulic flow parameter measuring means for disposition in said pipe; and adjustment means connecting the measuring means to the servomotor means for effecting pivotal movements of the paddles in response to measurements made by said measuring means.
Claim 6
Independent Claim
173 words
A device for pumping liquids comprising; a pipeline; a plurality of pumping stations spaced along the pipeline, each including at least one pump having at least one stage interposed in the pipeline; each pump including: a casing; a rotor; means journalling the rotor for rotation about the longitudinal axis thereof in the casing; means for rotating the rotor about said axis; a plurality of paddles disposed between the rotor and the casing; shaft means mounting each paddle on the rotor; for pivotal movement about the longitudinal axis of the respective shaft means said shaft means, collectively, having the longitudinal axes thereof arranged on a cone of revolution coaxial with the rotor; means associated with said rotor, including servomotor means, for pivoting said paddles with respect to the rotor about the longitudinal axes of said shaft means; hydraulic flow parameter measuring means for disposition in said pipe; and adjustment means connecting the measuring means to the servomotor means for effecting pivotal movements of the paddles in response to measurements made by said measuring means.
Claim 7
Dependent Claim
21 words
The device of claim 4 wherein a plurality of said at least one pump are interposed in series in said pipeline.
References Cited (Backward Citations)
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Cited
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Cited
US2751187A
Cited
US3260311A
Cited
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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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |