US3282277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water conditioning system
Assignee: Individual
•
Filing: 1964-02-25
•
Granted: 1966-11-01
•
Expires: 1984-02-25
Abstract
No abstract record available.
Inventors
- 👤 Richard H Hayman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:33
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/2496; Y10T137/2499; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A SYSTEM FOR AUTOMATICALLY REMOVING THROUGH A BLOWDOWN VALVE A PORTION OF CHEMICALLY CONDITIONED CIRCULATING WATER FED BY MAKEUP WATER FROM A MAKEUP WATER LINE AND CIRCULATED AND RECYCLED ALTERNATELY THROUGH A FLOW CIRCUIT INCLUDING COOLING AND HEAT EXCHANGE APPARATUS, AND AUTOMATICALLY MAINTAINING A PREDETERMINED QUANTITY OF CHEMICAL IN THE CIRCULATING WATER; AN IMPULSE METER IN THE MAKEUP WATER LINE FOR MEASURING THE MAKEUP WATER AND SENDING ELECTRICAL IMPULSES AS A FUNCTION OF THE QUANTITY OF MAKEUP WATER MEASURED, AN IMPULSE COUNTER FOR RECEIVING THE ELECTRICAL IMPULSES FROM THE METER, A CHEMICAL FEED PUMP FOR ADDING THE CHEMICAL TO THE FLOW CIRCUIT, AND A TIMER RESPONSIVE TO A PRESET NUMBER OF IMPULSE RECEIVED BY THE IMPULSE COUNTER TO ACTUATE THE BLOWDOWN VALVE AND THE CHEMICAL FEED PUMP FOR A PRESELECTED AMOUNT OF TIME.
Claim 2
Dependent Claim
134 words
IN A SYSTEM FOR AUTOMATICALLY REMOVING THROUGH A BLOWDOWN VALVE A PORTION OF CHEMICALLY CONDITIONED CIRCULATING WATER FED BY MAKEUP WATER FROM A MAKEUP WATER LINE AND CIRCULATED AND RECYCLED ALTERNATELY THROUGH A FLOW CIRCUIT INCLUDING COOLING AND HEAT EXCHANGE APPARATUS, AND AUTOMATICALLY MAINTAINING A PREDETERMINED QUANTITY OF CHEMICAL IN THE CIRCULATING WATER; AN IMPULSE METER IN THE MAKEUP WATER LINE FOR MEASURING THE MAKEUP WATER AND SENDING ELECTRICAL IMPULSES AS A FUNCTION OF THE QUANTITY OF MAKEUP WATER MEASURED, AN IMPULSE COUNTER FOR RECEIVING THE ELECTRICAL IMPULSES FROM THE METER, A CHEMICAL FEED PUMP FOR ADDING THE CHEMICAL TO THE FLOW CIRCUIT, AND A TIMER RESPONSIVE TO A PRESET NUMBER OF IMPULSE RECEIVED BY THE IMPULSE COUNTER TO ACTUATE THE BLOWDOWN VALVE AND THE CHEMICAL FEED PUMP FOR A PRESELECTED AMOUNT OF TIME.
References Cited (Backward Citations)
US2977199A
Cited
US3096779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |