US3359908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine pump
Assignee: General Electric Co
•
Filing: 1966-01-24
•
Granted: 1967-12-26
•
Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Daniel N Toma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:42
CPC Classifications
F; F04; F04D; F04D5/00; F04D5/002; F04D29/00; F04D29/18; F04D29/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A TURBINE PUMP COMPRISING: (A) A CASING DEFINING AN ANNULAR PUMPING CHAMBER, (B) SAID CASING FURTHER DEFINING A PAIR OF OPENINGS TO SAID CHAMBER FOR INGRESS AND EGRESS OF FLUID, (C) A TURBINE IMPELLER MOUNTED FOR REVERSIBLE ROTATION WITHIN SAID CHAMBER, (D) SAID IMPELLER INCLUDING A CIRCUMFERENTIAL WEB AND SPACED, PERIPHERAL VANES INCLUDING A FIRST FACE DISPOSED FOR ENTRAINING FLUID WITHIN SAID CHAMBER, (E) EACH OF SAID VANES INCLUDING A FIRST FACE DISPOSED IN A PLANE RADIAL TO THE AXIS OF ROTATION OF SAID IMPELLER AND A SECOND FACE DISPOSED AT AN ANGLE TO SAID FIRST FACE SO THAT THE EFFECTIVENESS OF SAID PUMP IS DIFFERENT DEPENDENT UPON THE DIRECTION OF IMPELLER ROTATION.
Claim 2
Dependent Claim
113 words
A TURBINE PUMP COMPRISING: (A) A CASING DEFINING AN ANNULAR PUMPING CHAMBER, (B) SAID CASING FURTHER DEFINING A PAIR OF OPENINGS TO SAID CHAMBER FOR INGRESS AND EGRESS OF FLUID, (C) A TURBINE IMPELLER MOUNTED FOR REVERSIBLE ROTATION WITHIN SAID CHAMBER, (D) SAID IMPELLER INCLUDING A CIRCUMFERENTIAL WEB AND SPACED, PERIPHERAL VANES INCLUDING A FIRST FACE DISPOSED FOR ENTRAINING FLUID WITHIN SAID CHAMBER, (E) EACH OF SAID VANES INCLUDING A FIRST FACE DISPOSED IN A PLANE RADIAL TO THE AXIS OF ROTATION OF SAID IMPELLER AND A SECOND FACE DISPOSED AT AN ANGLE TO SAID FIRST FACE SO THAT THE EFFECTIVENESS OF SAID PUMP IS DIFFERENT DEPENDENT UPON THE DIRECTION OF IMPELLER ROTATION.
References Cited (Backward Citations)
US1883634A
Cited
AT156772B
Cited
US2283844A
Cited
US2319776A
Cited
DE729453C
Cited
US2570862A
Cited
US3133505A
Cited
US3127840A
Cited
US3244105A
Cited
US3257950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |