Patent US3120920A successfully refreshed from Google Patents.
US3120920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocket combination for extension for speed and load range of awm supercharger
Assignee: BBC Brown Boveri AG Switzerland
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Filing: 1961-08-22
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Granted: 1964-02-11
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Waleffe Jose
- 👤 Jenny Ernst
- 👤 Muller Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:28
CPC Classifications
F; F04; F04F; F04F13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A PRESSURE EXCHANGER COMPRISING A ROTOR FOR RECEIVING AND DISCHARGING FLUIDS, SAID FLUIDS BEING SUPPLIED TO SAID ROTOR FROM A HIGH PRESSURE INLET PORT AND A LOW PRESSURE INLET PORT; FLUID BEING EXTRACTED FROM SAID ROTOR FROM A HIGH PRESSURE OUTLET PORT AND A LOW PRESSURE OUTLET PORT; SAID HIGH PRESSURE OUTLET PORT AND SAID LOW PRESSURE INLET PORT BEING LOCATED IN A FIRST STATOR PLATE ON ONE SIDE OF SAID ROTOR; SAID HIGH PRESSURE INLET PORT AND SAID LOW PRESSURE OUTLET PORT BEING LOCATED IN A SECOND STATOR PLATE ON THE OTHER SIDE OF SAID ROTOR; SAID ROTOR BEING ROTATABLE WITH RESPECT TO SAID FIRST AND SECOND STATOR PLATES; SAID HIGH PRESSURE INLET AND OUTLET PORTS DEFINING A HIGH PRESSURE ZONE OF SAID ROTOR; SAID LOW PRESSURE INLET AND OUTLET PORTS DEFINING A LOW PRESSURE ZONE OF SAID ROTOR; MEANS LOCATED BETWEEN SAID HIGH PRESSURE AND LOW PRESSURE ZONES IN THE DIRECTION OF ROTATION OF SAID ROTOR IN INCREASE THE PRESSURE IN SAID ROTOR BETWEEN SAID ZONES, SAID MEANS INCLUDING A FIRST MEANS IN SAID FIRST STATOR PLATE AND A SECOND MEANS IN SAID SECOND STATOR PLATE.
Claim 2
Dependent Claim
188 words
A PRESSURE EXCHANGER COMPRISING A ROTOR FOR RECEIVING AND DISCHARGING FLUIDS, SAID FLUIDS BEING SUPPLIED TO SAID ROTOR FROM A HIGH PRESSURE INLET PORT AND A LOW PRESSURE INLET PORT; FLUID BEING EXTRACTED FROM SAID ROTOR FROM A HIGH PRESSURE OUTLET PORT AND A LOW PRESSURE OUTLET PORT; SAID HIGH PRESSURE OUTLET PORT AND SAID LOW PRESSURE INLET PORT BEING LOCATED IN A FIRST STATOR PLATE ON ONE SIDE OF SAID ROTOR; SAID HIGH PRESSURE INLET PORT AND SAID LOW PRESSURE OUTLET PORT BEING LOCATED IN A SECOND STATOR PLATE ON THE OTHER SIDE OF SAID ROTOR; SAID ROTOR BEING ROTATABLE WITH RESPECT TO SAID FIRST AND SECOND STATOR PLATES; SAID HIGH PRESSURE INLET AND OUTLET PORTS DEFINING A HIGH PRESSURE ZONE OF SAID ROTOR; SAID LOW PRESSURE INLET AND OUTLET PORTS DEFINING A LOW PRESSURE ZONE OF SAID ROTOR; MEANS LOCATED BETWEEN SAID HIGH PRESSURE AND LOW PRESSURE ZONES IN THE DIRECTION OF ROTATION OF SAID ROTOR IN INCREASE THE PRESSURE IN SAID ROTOR BETWEEN SAID ZONES, SAID MEANS INCLUDING A FIRST MEANS IN SAID FIRST STATOR PLATE AND A SECOND MEANS IN SAID SECOND STATOR PLATE.
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |