US3350894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device for refrigeration system
Assignee: Individual
•
Filing: 1964-06-09
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Granted: 1967-11-07
•
Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 Thorner Robert Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:29
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
264 words
IN A CONTROL DEVICE FOR A MECHANISM HAVING A SURFACE SUBJECT TO THE FORMATION THEREON OF A SOLID BUT MELTABLE MATERIAL SAID MECHANISM INCLUDING A SOURCE OF ENERGY SUPPLIED THERETO IN NORMAL OPERATION THEREOF, THE COMBINATION OF; CONTROL MEANS FOR EFFECTING A CHANGE IN THE QUANTITY OF SAID MATERIAL FORMING ON SAID SURFACE, INITIATING MEANS TO PERIODICALLY CAUSE OPERATION OF SAID CONTROL MEANS WHEN SAID MATERIAL HAS FORMED TO AN UNDESIRABLE QUANTITY ON SAID SURFACE, SAID INITIATING MEANS INCLUDING, POWER MEANS HAVING A MOVABLE ELEMENT AFFECTED BY SAID ENERGY SOURCE TO PROVIDE A SMALL OPERATED BY SAID INPUT POWER FORCE, FORCE-AMPLIFYING MEANS OPERATED BY SAID INPUT FORCE OF SAID POWER MEANS TO INTEGRATE AND STORE SAID ENERGY OVER A PERIOD OF TIME FOR PROVIDING AN AMPLIFIED OUTPUT FORCE SUBSTANTIALLY LARGER THAN SAID INPUT POWER FORCE AVAILABLE TO CAUSE OPERATION OF SAID CONTROL MEANS, AND SAID AMPLIFYING INTEGRATING MEANS INCLUDING MEANS TO RELEASE SAID STORED ENERGY AFTER SAID PERIOD OF TIME TO PRODUCE SAID AMPLIFIED OUTPUT FORCE FOR OPERATING SAID CONTROL MEANS, SAID POWER MEANS INCLUDING ENERGIZING MEANS MOUNTED NEAR SAID MOVABLE ELEMENT AND SUPPLIED BY SAID SOURCE OF ENERGY FOR CAUSING RECIPROCATING MOVEMENTS OF SAID MOVABLE ELEMENT AND SIMULTANEOUSLY SAID PULSATING INPUT FORCES, MEANS TO REGULATE THE AMOUNT OF SAID ENERGY TO SAID ENERGIZING MEANS AND OPERATED BY SAID ELEMENT TO REDUCE SAID ENERGY TO SAID ENERGIZING MEANS AFTER SAME HAS BEEN ENERGIZED AND TO INCREASE SAID ENERGY TO SAID ENERGIZING MEANS AFTER SAME HAS BEEN DE-ENERGIZED FOR PRODUCING SAID RECIPROCATING MOVEMENTS OF SAID ELEMENT AND SAID INPUT FORCES TO OPERATE SAID INTEGRATING MEANS.
Claim 2
Dependent Claim
264 words
IN A CONTROL DEVICE FOR A MECHANISM HAVING A SURFACE SUBJECT TO THE FORMATION THEREON OF A SOLID BUT MELTABLE MATERIAL SAID MECHANISM INCLUDING A SOURCE OF ENERGY SUPPLIED THERETO IN NORMAL OPERATION THEREOF, THE COMBINATION OF; CONTROL MEANS FOR EFFECTING A CHANGE IN THE QUANTITY OF SAID MATERIAL FORMING ON SAID SURFACE, INITIATING MEANS TO PERIODICALLY CAUSE OPERATION OF SAID CONTROL MEANS WHEN SAID MATERIAL HAS FORMED TO AN UNDESIRABLE QUANTITY ON SAID SURFACE, SAID INITIATING MEANS INCLUDING, POWER MEANS HAVING A MOVABLE ELEMENT AFFECTED BY SAID ENERGY SOURCE TO PROVIDE A SMALL OPERATED BY SAID INPUT POWER FORCE, FORCE-AMPLIFYING MEANS OPERATED BY SAID INPUT FORCE OF SAID POWER MEANS TO INTEGRATE AND STORE SAID ENERGY OVER A PERIOD OF TIME FOR PROVIDING AN AMPLIFIED OUTPUT FORCE SUBSTANTIALLY LARGER THAN SAID INPUT POWER FORCE AVAILABLE TO CAUSE OPERATION OF SAID CONTROL MEANS, AND SAID AMPLIFYING INTEGRATING MEANS INCLUDING MEANS TO RELEASE SAID STORED ENERGY AFTER SAID PERIOD OF TIME TO PRODUCE SAID AMPLIFIED OUTPUT FORCE FOR OPERATING SAID CONTROL MEANS, SAID POWER MEANS INCLUDING ENERGIZING MEANS MOUNTED NEAR SAID MOVABLE ELEMENT AND SUPPLIED BY SAID SOURCE OF ENERGY FOR CAUSING RECIPROCATING MOVEMENTS OF SAID MOVABLE ELEMENT AND SIMULTANEOUSLY SAID PULSATING INPUT FORCES, MEANS TO REGULATE THE AMOUNT OF SAID ENERGY TO SAID ENERGIZING MEANS AND OPERATED BY SAID ELEMENT TO REDUCE SAID ENERGY TO SAID ENERGIZING MEANS AFTER SAME HAS BEEN ENERGIZED AND TO INCREASE SAID ENERGY TO SAID ENERGIZING MEANS AFTER SAME HAS BEEN DE-ENERGIZED FOR PRODUCING SAID RECIPROCATING MOVEMENTS OF SAID ELEMENT AND SAID INPUT FORCES TO OPERATE SAID INTEGRATING MEANS.
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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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |