Patent FR2387134A1 successfully refreshed from Google Patents.
Patent US3606017A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3606017A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for conditioning water supplied to a water heater tank

Assignee: Carrier Corp
•
Filing: 1969-08-01
•
Granted: 1971-09-20
•
Expires: 1989-08-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract THE WATER SUPPLY MAIN IS CONNECTED TO THE INLET OF A FIRST CLOSE TANK CONTAINING WATER-CONDITIONING MATERIAL. THE OUTLET OF THE FIRST TANK IS CONNECTED TO THE INLET OF A SECOND CLOSED TANK, THE OUTLET OF WHICH IS CONNECTED TO THE INLET OF THE HEATER TANK. THE SECOND TANK IS DIMENSIONED TO CONTAIN A VOLUME OF WATER EXCEEDING THE EXPANSION IN VOLUME OF THE INITIALLY COLD WATER IN THE HEATER TANK WHEN IT IS RAISED TO A PREDETERMINED TEMPERTURE THE INLET AND OUTLET OF THE SECOND TANK ARE LOCATED OR ARRANGED AS NOT TO DISRUPT THE STRATIFICATION OF THE WATER IN THE SECOND TANK UPON THE BACKFLOW FROM THE HEATER TANK WHEREBY HIGH TEMPERATURE BACKFLOW FROM THE HEATER TANK DOES NOT ENTER THE FIRST TANK CONTAINING THE CONDITIONING MATERIAL.

Inventors

  • 👤 Samuel J Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 08:10
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/08; C02F5/086; C02F1/00; C02F1/68; C02F1/685; C02F2103/00; C02F2103/02; C02F2103/023; C02F2201/00; C02F2201/002

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag