US3271580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load shedding apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1963-08-15
•
Granted: 1966-09-06
•
Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Jack R Pope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:13
CPC Classifications
H; H02; H02J; H02J3/00; H02J3/38; H02J3/46; H02J3/466
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN LOAD SHEDDING APPARATUS FOR USE IN A LOCAL SYSTEM RECEIVING ENERGY FROM A PLURALITY OF GENERATING SOURCES AND OPERATIVE TO DROP CIRCUITS FROM THE LOCAL SYSTEM IN CASE OF INTERRUPTION OF AT LEAST ONE OF THE GENERATING SOURCES, THE COMBINATION OF: TRANSDUCER MEANS FOR PROVIDING SUPPLY SIGNALS INDICATIVE OF THE POWER BEING SUPPLIED TO THE LOCAL SYSTEM; REFERENCE MEANS FOR PROVIDING REFERENCE SIGNALS INDICATIVE OF THE LOCAL POWER SUPPLYING CAPACITY; DIFFERENCING MEANS FOR RECEIVING SAID SUPPLY AND REFERENCE SIGNALS AND PROVIDING SHEDDING SIGNALS INDICATIVE OF THE AMOUNT OF LOAD REQUIRED TO BE SHED IN CASE OF INTERRUPTION OF AT LEAST ONE OF THE GENERATING SOURCES; MEANS FOR PROVIDING LOAD SIGNALS INDICATIVE OF THE LOAD BEING CARRIED BY EACH OF A PLURALITY OF CIRCUITS DESIGNATED PREFERENTIALLY IN THE ORDER TO BE SHED IN CASE OF INTERRUPTION OF AT LEAST ONE OF THE GENERATING SOURCES; COMPARISON MEANS TO COMPARE SAID SHEDDING SIGNALS WITH ONE OF SAID LOAD SIGNALS PLUS THE SUM OF THE CIRCUIT SIGNALS FROM CIR-
Claim 2
Dependent Claim
166 words
IN LOAD SHEDDING APPARATUS FOR USE IN A LOCAL SYSTEM RECEIVING ENERGY FROM A PLURALITY OF GENERATING SOURCES AND OPERATIVE TO DROP CIRCUITS FROM THE LOCAL SYSTEM IN CASE OF INTERRUPTION OF AT LEAST ONE OF THE GENERATING SOURCES, THE COMBINATION OF: TRANSDUCER MEANS FOR PROVIDING SUPPLY SIGNALS INDICATIVE OF THE POWER BEING SUPPLIED TO THE LOCAL SYSTEM; REFERENCE MEANS FOR PROVIDING REFERENCE SIGNALS INDICATIVE OF THE LOCAL POWER SUPPLYING CAPACITY; DIFFERENCING MEANS FOR RECEIVING SAID SUPPLY AND REFERENCE SIGNALS AND PROVIDING SHEDDING SIGNALS INDICATIVE OF THE AMOUNT OF LOAD REQUIRED TO BE SHED IN CASE OF INTERRUPTION OF AT LEAST ONE OF THE GENERATING SOURCES; MEANS FOR PROVIDING LOAD SIGNALS INDICATIVE OF THE LOAD BEING CARRIED BY EACH OF A PLURALITY OF CIRCUITS DESIGNATED PREFERENTIALLY IN THE ORDER TO BE SHED IN CASE OF INTERRUPTION OF AT LEAST ONE OF THE GENERATING SOURCES; COMPARISON MEANS TO COMPARE SAID SHEDDING SIGNALS WITH ONE OF SAID LOAD SIGNALS PLUS THE SUM OF THE CIRCUIT SIGNALS FROM CIR-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |