US3358102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-power compressed-gas circuit interrupter with double-flow contact structure disposed within gas-directing casing
Assignee: Westinghouse Electric Corp
•
Filing: 1964-08-24
•
Granted: 1967-12-12
•
Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Charles F Cromer
- 👤 Richard E Kane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:06
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/80; H01H33/82; H01H33/02; H01H33/04; H01H33/12; H01H33/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A FLUID-BLAST CIRCUIT INTERRUPTER, IN COMBINATION, CASING MEANS DEFINING AN INLET CHAMBER AND AN ADJOINING GAS-FLOW DIRECTING ORIFICE PORTION HAVING AN EXHAUST OPENING, A RELATIVELY STATIONARY CONTACT STRUCTURE HAVING A NOZZLE EXHAUST MEANS, ASSOCIATED THEREWITH DISPOSED WITHIN SAID CASING MEANS, A MOVABLE TUBULAR VENTING CONTACT COOPERATBLE WITH SAID RELATIVELY STATIONARY CONTACT STRUCTURE AND MOVABLE COMPLETELY OUT OF SAID EXHAUST OPENING TO AN ISOLATING PORTION, THE RELATIVELY MOVABLE CONTACT STRUCTURE CONSTITUTING A SLEEVE VALVE MEANS FOR INHIBITING EXHAUST FLOW THROUGH A NOZZLE EXHAUST MEANS AND THE MOVABLE TUBULAR VENTING CONTACT UNTIL CONTACT PART, AND FLUID-PRESSURE SUPPLY MEANS FOR FEEDING PRESSURIZED FLUID INTO SAID INLET CHAMBER FOR SUBSEQUENT EJECTION IN SUBSTANTIALLY OPPOSITE DIRECTIONS THROUGH THE NOZZLE EXHAUST MEANS AND THE MOVABLE TUBULAR VENTING CONTACT TO EFFECT EXTINCTION OF THE STABILIZED ARC.
Claim 2
Dependent Claim
130 words
IN A FLUID-BLAST CIRCUIT INTERRUPTER, IN COMBINATION, CASING MEANS DEFINING AN INLET CHAMBER AND AN ADJOINING GAS-FLOW DIRECTING ORIFICE PORTION HAVING AN EXHAUST OPENING, A RELATIVELY STATIONARY CONTACT STRUCTURE HAVING A NOZZLE EXHAUST MEANS, ASSOCIATED THEREWITH DISPOSED WITHIN SAID CASING MEANS, A MOVABLE TUBULAR VENTING CONTACT COOPERATBLE WITH SAID RELATIVELY STATIONARY CONTACT STRUCTURE AND MOVABLE COMPLETELY OUT OF SAID EXHAUST OPENING TO AN ISOLATING PORTION, THE RELATIVELY MOVABLE CONTACT STRUCTURE CONSTITUTING A SLEEVE VALVE MEANS FOR INHIBITING EXHAUST FLOW THROUGH A NOZZLE EXHAUST MEANS AND THE MOVABLE TUBULAR VENTING CONTACT UNTIL CONTACT PART, AND FLUID-PRESSURE SUPPLY MEANS FOR FEEDING PRESSURIZED FLUID INTO SAID INLET CHAMBER FOR SUBSEQUENT EJECTION IN SUBSTANTIALLY OPPOSITE DIRECTIONS THROUGH THE NOZZLE EXHAUST MEANS AND THE MOVABLE TUBULAR VENTING CONTACT TO EFFECT EXTINCTION OF THE STABILIZED ARC.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |