US3150815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible fluid flow machine
Assignee: Individual
•
Filing: 1962-09-05
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Granted: 1964-09-29
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Laing Nikolaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:38
CPC Classifications
F; F04; F04D; F04D17/00; F04D17/02; F04D17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A REVERSIBLE CROSS-FLOW BLOWER, COMPRISING A HOLLOW CYLINDRICALLY SHAPED ROTOR OF FINITE LENGTH HAVING A PLURALITY OF BLADES ON ITS OUTER PERIPHERY, END WALLS SUBSTANTIALLY ENCLOSING THE ENDS OF SAID ROTOR, TWO SIMILARLY SHAPED SIDE WALLS EXTENDING THE LENGTH OF THE ROTOR POSITIONED ON DIAMETRICALLY OPPOSITE SIDES THEREOF AND FORMING WITH SAID END WALLS A CASING SUBSTANTIALLY SURROUNDING SAID ROTOR HAVING TWO FLUID FLOW OPENINGS, PORTIONS OF SAID SIDE WALLS BEING MOVABLE TOWARDS AND AWAY FROM SAID ROTOR BETWEEN FIRST AND SECOND LIMIT POSITIONS TO REVERSE THE DIRECTION OF FLOW OF FLUID THROUGH SAID BLOWER, AND CONNECTING MEANS CONNECTING SAID MOVABLE PORTIONS SO THAT WHEN ONE SAID PORTION IS MOVED TOWARD SAID ROTOR, THE DIAMETRICALLY OPPOSITE PORTION IS MOVABLE AWAY FROM SAID ROTOR WHEREBY THE FLOW OF FLUID THROUGH SAID BLOWER MAY BE REGULATED.
Claim 2
Dependent Claim
134 words
A REVERSIBLE CROSS-FLOW BLOWER, COMPRISING A HOLLOW CYLINDRICALLY SHAPED ROTOR OF FINITE LENGTH HAVING A PLURALITY OF BLADES ON ITS OUTER PERIPHERY, END WALLS SUBSTANTIALLY ENCLOSING THE ENDS OF SAID ROTOR, TWO SIMILARLY SHAPED SIDE WALLS EXTENDING THE LENGTH OF THE ROTOR POSITIONED ON DIAMETRICALLY OPPOSITE SIDES THEREOF AND FORMING WITH SAID END WALLS A CASING SUBSTANTIALLY SURROUNDING SAID ROTOR HAVING TWO FLUID FLOW OPENINGS, PORTIONS OF SAID SIDE WALLS BEING MOVABLE TOWARDS AND AWAY FROM SAID ROTOR BETWEEN FIRST AND SECOND LIMIT POSITIONS TO REVERSE THE DIRECTION OF FLOW OF FLUID THROUGH SAID BLOWER, AND CONNECTING MEANS CONNECTING SAID MOVABLE PORTIONS SO THAT WHEN ONE SAID PORTION IS MOVED TOWARD SAID ROTOR, THE DIAMETRICALLY OPPOSITE PORTION IS MOVABLE AWAY FROM SAID ROTOR WHEREBY THE FLOW OF FLUID THROUGH SAID BLOWER MAY BE REGULATED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |