US3166122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate type heat exchangers with pairs of spaced plates and corrugated inserts
Assignee: INTERNATIONAL TEXTILE COMPANY Inc
•
Filing: 1963-03-11
•
Granted: 1965-01-19
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Hryniszak Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
F; F28; F28D; F28D9/00; F28D9/0012; F28D9/0018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PLATE TYPE EXCHANGER COMPRISING A PLURALITY OF SEPARATE PLATE TYPE HEAT EXCHANGER ELEMENTS EACH ELEMENT COMPRISING PAIRS OF SPACED PLATES OR SHEETS WITH FLOW CHANNELS BETWEEN EACH PAIR OF SHEETS, CORRUGATED INSERTS BEING DISPOSED BETWEEN EACH PAIR OF SHEETS, THE DIRECTION OF THE CORRUGATIONS BETWEEN ONE PAIR OF SHEETS BEING AT RIGHT ANGLES TO THOSE BETWEEN ADJACENT PAIRS OF SHEETS, CHANNELS FOR HOT FLUID ALTERNATING WITH CHANNELS FOR COLD FLUID, THE ELEMENTS BEING DISPOSED IN A RING, AND MEANS DIRECTING ONE FLUID IN SUBSTANTIALLY PARALLEL STREAMS THROUGH PORTIONS OF TWO ADJACENT ELEMENTS, EACH STREAM PASSING FIRST THROUGH ONE ELEMENT AND THEN THROUGH THE OTHER ELEMENT IN SUBSTANTIALLY STRAIGHT LINE, AND MEANS DIRECTING THE OTHER FLUID ONLY THROUGH EACH ELEMENT CONNECTED IN PARALLEL WITH ONE ANOTHER IN A DIRECTION AT SUBSTANTIALLY RIGHT ANGLES TO THE FIRST FLUID.
Claim 2
Dependent Claim
137 words
A PLATE TYPE EXCHANGER COMPRISING A PLURALITY OF SEPARATE PLATE TYPE HEAT EXCHANGER ELEMENTS EACH ELEMENT COMPRISING PAIRS OF SPACED PLATES OR SHEETS WITH FLOW CHANNELS BETWEEN EACH PAIR OF SHEETS, CORRUGATED INSERTS BEING DISPOSED BETWEEN EACH PAIR OF SHEETS, THE DIRECTION OF THE CORRUGATIONS BETWEEN ONE PAIR OF SHEETS BEING AT RIGHT ANGLES TO THOSE BETWEEN ADJACENT PAIRS OF SHEETS, CHANNELS FOR HOT FLUID ALTERNATING WITH CHANNELS FOR COLD FLUID, THE ELEMENTS BEING DISPOSED IN A RING, AND MEANS DIRECTING ONE FLUID IN SUBSTANTIALLY PARALLEL STREAMS THROUGH PORTIONS OF TWO ADJACENT ELEMENTS, EACH STREAM PASSING FIRST THROUGH ONE ELEMENT AND THEN THROUGH THE OTHER ELEMENT IN SUBSTANTIALLY STRAIGHT LINE, AND MEANS DIRECTING THE OTHER FLUID ONLY THROUGH EACH ELEMENT CONNECTED IN PARALLEL WITH ONE ANOTHER IN A DIRECTION AT SUBSTANTIALLY RIGHT ANGLES TO THE FIRST FLUID.
References Cited (Backward Citations)
US2093968A
Cited
US2393713A
Cited
GB624676A
Cited
FR1085948A
Cited
US2965359A
Cited
US3098522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |