US3264751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-exchange method and apparatus
Assignee: Individual
•
Filing: 1965-10-13
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Granted: 1966-08-09
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Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Frank J Mcentee Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:30
CPC Classifications
B; B02; B02C; B02C11/00; B02C11/08; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; B02C17/00; B02C17/18; B02C21/00; C; C04; C04B; C04B7/00; C04B7/36; F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/16; F28D; F28D13/00; F28D7/00; F28D7/10; F28D7/12; F28D7/16; F28D7/163; F28D7/1669; F28D7/1676; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/14; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00123; F28D21/00; F28D2021/0019; F28D2021/0045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A HEAT-EXCHANGE APPARATUS FOR TREATING PULVERULENT MATERIAL COMPRISING A VESSEL TO RECEIVE THE PULVERULENT MATERIAL, THE PORTION OF THE VESSEL WHICH RECEIVES THE MATERIAL AND IN WHICH THE MATERIAL IS TREATED HAVING AN INLET OPENING LOCATED AT THE TOP OF THE VESSEL FOR THE INTRODUCTION OF THE MATERIAL TO BE TREATED AND AN OUTLET CONDUIT EXTENDING UPWARDLY THROUGH THE VESSEL FROM A PORTION ADJACENT BUT SPACED FROM THE BOTTOM OF THE VESSEL, THE LOWER END OF SAID CONDUIT BEING OPEN AND FORMING THE DISCHARGE FROM THE PORTION OF THE VESSEL IN WHICH THE MATERIAL IS TO BE TREATED, SAID CONDUIT HAVING AN OPENING ADJACENT ITS UPPER END FOR THE DISCHARGE OF MATERIAL, A NOZZLE PIPE HAVING AN OPENING POSITIONED TO DIRECT GAS PASSING THERETHROUGH UPWARDLY THROUGH SAID CONDUIT TO FACILITATE UPWARD FLOW OF MATERIAL THROUGH SAID CONDUIT, MEANS ADJACENT THE BOTTOM OF THE VESSEL FOR INTRODUCING A FLUIDIZED GAS TO PASS UPWARDLY THROUGH THE MATERIAL IN THE VESSEL TO FLUIDIZE IT, A PLURALITY OF HEAT EXCHANGERS WITHIN SAID VESSEL, SAID HEAT EXCHANGERS BEING SPACED FROM THE WALLS OF THE VESSEL AND FROM ONE ANOTHER TO PROVIDE SPACES FOR THE MATERIAL BEING TREATED, AND MEANS FOR CAUSING A FLOW OF HEAT-EXCHANGE MEDIUM THROUGH SAID HEAT EXCHANGERS.
Claim 2
Dependent Claim
205 words
A HEAT-EXCHANGE APPARATUS FOR TREATING PULVERULENT MATERIAL COMPRISING A VESSEL TO RECEIVE THE PULVERULENT MATERIAL, THE PORTION OF THE VESSEL WHICH RECEIVES THE MATERIAL AND IN WHICH THE MATERIAL IS TREATED HAVING AN INLET OPENING LOCATED AT THE TOP OF THE VESSEL FOR THE INTRODUCTION OF THE MATERIAL TO BE TREATED AND AN OUTLET CONDUIT EXTENDING UPWARDLY THROUGH THE VESSEL FROM A PORTION ADJACENT BUT SPACED FROM THE BOTTOM OF THE VESSEL, THE LOWER END OF SAID CONDUIT BEING OPEN AND FORMING THE DISCHARGE FROM THE PORTION OF THE VESSEL IN WHICH THE MATERIAL IS TO BE TREATED, SAID CONDUIT HAVING AN OPENING ADJACENT ITS UPPER END FOR THE DISCHARGE OF MATERIAL, A NOZZLE PIPE HAVING AN OPENING POSITIONED TO DIRECT GAS PASSING THERETHROUGH UPWARDLY THROUGH SAID CONDUIT TO FACILITATE UPWARD FLOW OF MATERIAL THROUGH SAID CONDUIT, MEANS ADJACENT THE BOTTOM OF THE VESSEL FOR INTRODUCING A FLUIDIZED GAS TO PASS UPWARDLY THROUGH THE MATERIAL IN THE VESSEL TO FLUIDIZE IT, A PLURALITY OF HEAT EXCHANGERS WITHIN SAID VESSEL, SAID HEAT EXCHANGERS BEING SPACED FROM THE WALLS OF THE VESSEL AND FROM ONE ANOTHER TO PROVIDE SPACES FOR THE MATERIAL BEING TREATED, AND MEANS FOR CAUSING A FLOW OF HEAT-EXCHANGE MEDIUM THROUGH SAID HEAT EXCHANGERS.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |