US3289569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heating liquid, particularly for sterilizing milk
Assignee: Sulzer AG
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Filing: 1964-09-02
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Granted: 1966-12-06
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Expires: 1984-09-02
Abstract
No abstract record available.
Inventors
- 👤 Frolich Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:33
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/06; A; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/137; B01D5/00; B01D5/0003; B01D5/0006; F; F28; F28D; F28D7/00; F28D7/10; F28D7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN ARRANGEMENT FOR TEMPORARILY HEATING A LIQUID, MORE PARTICUALRLY FOR STERILIZING MILK, COMPRISING: A HEAT EXCHANGE APPARATUS INCLUDING A VESSEL, TUBULAR HEAT EXCHANGE MEANS PLACED IN SAID VESSEL MEANS FOR SUPPLYING LIQUID TO BE HEATED TO SAID HEAT EXCHANGE MEANS FOR PREHEATING THE LIQUID, MEANS FOR MIXING THE PREHEATED LIQUID WITH LIVE STEAM FOR HEATING THE LIQUID TO THE DESIRED TEMPERATURE, CONDUIT MEANS CONNECTING SAID MIXING MEANS TO SAID TUBULAR HEAT EXCHANGE MEANS FOR CONDUCTING THE PREHEATED LIQUID FROM THE LATTER TO THE FORMER, SAID CONDUIT MEANS INCLUDING MEANS FOR INCREASING THE PRESSURE OF THE PREHEATED LIQUID, EXPANSION MEANS CONNECTED TO SAID MIXING MEANS FOR RECEIVING HEATED LIQUID THEREFROM AND FOR EXPANDING AND COOLING THE LIQUID AND RELEASING VAPOR THEREFROM, SAID EXPANSION MEANS BEING CONNECTED TO SAID VESSEL FOR CONDUCTING THE VAPOR RELEASED IN SAID EXPANSION MEANS INTO SAID VESSEL FOR HEATING SAID TUBULAR HEAT EXCHANGE MEANS FOR PREHEATING SAID LIQUID AND CONDENSING A PORTION OF THE VAPOR,
Claim 2
Dependent Claim
158 words
AN ARRANGEMENT FOR TEMPORARILY HEATING A LIQUID, MORE PARTICUALRLY FOR STERILIZING MILK, COMPRISING: A HEAT EXCHANGE APPARATUS INCLUDING A VESSEL, TUBULAR HEAT EXCHANGE MEANS PLACED IN SAID VESSEL MEANS FOR SUPPLYING LIQUID TO BE HEATED TO SAID HEAT EXCHANGE MEANS FOR PREHEATING THE LIQUID, MEANS FOR MIXING THE PREHEATED LIQUID WITH LIVE STEAM FOR HEATING THE LIQUID TO THE DESIRED TEMPERATURE, CONDUIT MEANS CONNECTING SAID MIXING MEANS TO SAID TUBULAR HEAT EXCHANGE MEANS FOR CONDUCTING THE PREHEATED LIQUID FROM THE LATTER TO THE FORMER, SAID CONDUIT MEANS INCLUDING MEANS FOR INCREASING THE PRESSURE OF THE PREHEATED LIQUID, EXPANSION MEANS CONNECTED TO SAID MIXING MEANS FOR RECEIVING HEATED LIQUID THEREFROM AND FOR EXPANDING AND COOLING THE LIQUID AND RELEASING VAPOR THEREFROM, SAID EXPANSION MEANS BEING CONNECTED TO SAID VESSEL FOR CONDUCTING THE VAPOR RELEASED IN SAID EXPANSION MEANS INTO SAID VESSEL FOR HEATING SAID TUBULAR HEAT EXCHANGE MEANS FOR PREHEATING SAID LIQUID AND CONDENSING A PORTION OF THE VAPOR,
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |