Patent US3584576A successfully refreshed from Google Patents.
Patent US3206937A successfully refreshed from Google Patents.
US3206937A
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Arrangement for precise control of the constant temperature of a circulating liquid thermostat
Assignee: B Braun Melsungen AG
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Filing: 1963-11-22
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Granted: 1965-09-21
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Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
- 👤 Walisch Walter
- 👤 Becker Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:35
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27539
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
ARRANGEMENT FOR THE PRECISE CONTROL OF THE CONSTANT TEMPERATURE SET POINT OF A CIRCULATING LIQUID THERMOSTAT WHICH COMPRISES AT FIRST ENERGIZABLE CIRCUIT INCLUDING AN ENERGIZABLE HEAT EXCHANGE MEANS HAVING A SINGLE ALTERNATELY HEATABLE AND COOLABLE HEAT EXCHANGE SURFACE FOR DIRECT CONTACT WITH SUCH CIRCULATING LIQUID FOR HEAT EXCHANGE THEREWITH WHEN SAID HEAT EXCHANGE MEANS ARE ENERGIZED, SAID HEAT EXCHANGE MEANS BEING OPERABLE WITHIN THE RANGE OF SUCH TEMPERATURE SET POINT AND HAVING A TEMPERATURE VARYING CONTINUOUSLY BETWEEN AS UPPER AND LOWER TEMPERATURE LIMIT OF EXTREMELY NARROW DEVIATION FROM SUCH SET POINT, AND SECOND ENERGIZABLE CIRCUIT INCLUDING A TEMPERATURE OF THE CIRCULATING LIQUID OF SUCH CHANGES IN TEMPERATURE OF THE CIRCULATING LIQUID OF SUCH THERMOSTAT AND HAVING ENERGY REGULATOR MEANS THEREIN FOR VARYING ENERGY FLOW THROUGH SAID SECOND CIRCUIT RESPONSIVE TO CHANGES IN TEMPERATURE SENSED AND VARIABLE INTERVAL ELECTRONIC SWITCH CONTROL MEANS OPERATIVELY CON-
Claim 2
Dependent Claim
143 words
ARRANGEMENT FOR THE PRECISE CONTROL OF THE CONSTANT TEMPERATURE SET POINT OF A CIRCULATING LIQUID THERMOSTAT WHICH COMPRISES AT FIRST ENERGIZABLE CIRCUIT INCLUDING AN ENERGIZABLE HEAT EXCHANGE MEANS HAVING A SINGLE ALTERNATELY HEATABLE AND COOLABLE HEAT EXCHANGE SURFACE FOR DIRECT CONTACT WITH SUCH CIRCULATING LIQUID FOR HEAT EXCHANGE THEREWITH WHEN SAID HEAT EXCHANGE MEANS ARE ENERGIZED, SAID HEAT EXCHANGE MEANS BEING OPERABLE WITHIN THE RANGE OF SUCH TEMPERATURE SET POINT AND HAVING A TEMPERATURE VARYING CONTINUOUSLY BETWEEN AS UPPER AND LOWER TEMPERATURE LIMIT OF EXTREMELY NARROW DEVIATION FROM SUCH SET POINT, AND SECOND ENERGIZABLE CIRCUIT INCLUDING A TEMPERATURE OF THE CIRCULATING LIQUID OF SUCH CHANGES IN TEMPERATURE OF THE CIRCULATING LIQUID OF SUCH THERMOSTAT AND HAVING ENERGY REGULATOR MEANS THEREIN FOR VARYING ENERGY FLOW THROUGH SAID SECOND CIRCUIT RESPONSIVE TO CHANGES IN TEMPERATURE SENSED AND VARIABLE INTERVAL ELECTRONIC SWITCH CONTROL MEANS OPERATIVELY CON-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |