US3216241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture gauging system
Assignee: Laboratory For Electronics Inc
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Filing: 1960-06-23
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Granted: 1965-11-09
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Expires: 1980-06-23
Abstract
No abstract record available.
Inventors
- 👤 Carl W Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/34; G01N33/346; G01N25/00; G01N25/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
294 words
APPARATUS FOR DETERMINING THE MOISTURE CONTENT OF MATERIALS OF KNOWN COMPOSITION IN A PROCESS STREAM COMPRISING DENSITY MEASURING MEANS DISPOSED ADJACENT TO SAID PROCESS MATERIAL STREAM AND ADAPTED TO PROVIDE OUTPUT SIGNALS REPRESENTATIVE OF THE VARIATIONS OF DENSITY OF THE MATERIAL IN SAID PROCESS STREAM; FIRST TEMPERATURE INDICATING MEANS DISPOSED ADJACENT TO SAID PROCESS MATERIAL STREAM AND ADAPTED TO PROVIDE AN OUTPUT SIGNAL REPRESENTATIVE OF THE VARIATIONS OF TEMPERATURE OF SAID PROCESS STREAM MATERIAL IN THE REGION ADJACENT TO SAID FIRST TEMPERATURE INDICATING MEANS; A HEAT SOURCE LOCATED ADJACENT TO SAID PROCESS MATERIAL STREAM AND AT A POINT DOWNSTREAM FROM SAID FIRST TEMPERATURE INDICATING MEANS, SAID HEAT SOURCE BEING ADAPTED TO PROVIDE HEAT AT A PREDETERMINED RATE TO SIAD PROCESS MATERIAL IN THE REGION ADJACENT TO SAID HEAT SOURCE; MEANS ADAPTED TO PROVIDE AN OUTPUT SIGNAL REPRESENTATIVE OF SAID RATE AT WHICH HEAT IS SUPPLIED TO SAID PROCESS MATERIAL BY SAID HEAT SOURCE; SECOND TEMPERATURE INDICATING MEANS LOCATED ADJACENT TO SAID PROCESS MATERIAL STREAM AT A POINT DOWNSTREAM OF SAID HEAT SOURCE AND ADAPTED TO PROVIDE AN OUTPUT SIGNAL REPRESENTATIVE OF THE VARIATIONS OF TEMPERATURE OF SAID PROCESS MATERIAL AT A POINT ADJACENT TO SAID SECOND TEMPERATURE INDICATING MEANS; MEANS ADAPTED TO MEASURE THE VARIATIONS IN VELOCITY OF FLOW OF SAID MATERIALS IN SAID PROCESS STREAM; SIGNAL GENERATING MEANS ADAPTED TO CORRELATE SAID OUTPUT FROM SAID DENSITY MEASURING MEANS AND SAID VELOCITY MEASURING MEANS AND TO PROVIDE AN OUTPUT SIGNAL REPRESENTATIVE OF THE VARIATIONS IN MASS OF SAID MATERIAL IN SAID PROCESS STREAM, COMPUTING MEANS RESPONSIVE TO SAID OUTPUT SIGNALS FROM SAID FIRST AND SECOND TEMPERATURE INDICATING MEANS, SAID HEAT SOURCE AND SAID SIGNAL GENERATING MEANS, SAID COMPUTING MEANS PROVIDING AN OUTPUT SIGNAL INDICATING THE VARIATIONS IN SPECIFIC HEAT COMPUTED ACCORDING TO THE FORMULA
Claim 2
Dependent Claim
294 words
APPARATUS FOR DETERMINING THE MOISTURE CONTENT OF MATERIALS OF KNOWN COMPOSITION IN A PROCESS STREAM COMPRISING DENSITY MEASURING MEANS DISPOSED ADJACENT TO SAID PROCESS MATERIAL STREAM AND ADAPTED TO PROVIDE OUTPUT SIGNALS REPRESENTATIVE OF THE VARIATIONS OF DENSITY OF THE MATERIAL IN SAID PROCESS STREAM; FIRST TEMPERATURE INDICATING MEANS DISPOSED ADJACENT TO SAID PROCESS MATERIAL STREAM AND ADAPTED TO PROVIDE AN OUTPUT SIGNAL REPRESENTATIVE OF THE VARIATIONS OF TEMPERATURE OF SAID PROCESS STREAM MATERIAL IN THE REGION ADJACENT TO SAID FIRST TEMPERATURE INDICATING MEANS; A HEAT SOURCE LOCATED ADJACENT TO SAID PROCESS MATERIAL STREAM AND AT A POINT DOWNSTREAM FROM SAID FIRST TEMPERATURE INDICATING MEANS, SAID HEAT SOURCE BEING ADAPTED TO PROVIDE HEAT AT A PREDETERMINED RATE TO SIAD PROCESS MATERIAL IN THE REGION ADJACENT TO SAID HEAT SOURCE; MEANS ADAPTED TO PROVIDE AN OUTPUT SIGNAL REPRESENTATIVE OF SAID RATE AT WHICH HEAT IS SUPPLIED TO SAID PROCESS MATERIAL BY SAID HEAT SOURCE; SECOND TEMPERATURE INDICATING MEANS LOCATED ADJACENT TO SAID PROCESS MATERIAL STREAM AT A POINT DOWNSTREAM OF SAID HEAT SOURCE AND ADAPTED TO PROVIDE AN OUTPUT SIGNAL REPRESENTATIVE OF THE VARIATIONS OF TEMPERATURE OF SAID PROCESS MATERIAL AT A POINT ADJACENT TO SAID SECOND TEMPERATURE INDICATING MEANS; MEANS ADAPTED TO MEASURE THE VARIATIONS IN VELOCITY OF FLOW OF SAID MATERIALS IN SAID PROCESS STREAM; SIGNAL GENERATING MEANS ADAPTED TO CORRELATE SAID OUTPUT FROM SAID DENSITY MEASURING MEANS AND SAID VELOCITY MEASURING MEANS AND TO PROVIDE AN OUTPUT SIGNAL REPRESENTATIVE OF THE VARIATIONS IN MASS OF SAID MATERIAL IN SAID PROCESS STREAM, COMPUTING MEANS RESPONSIVE TO SAID OUTPUT SIGNALS FROM SAID FIRST AND SECOND TEMPERATURE INDICATING MEANS, SAID HEAT SOURCE AND SAID SIGNAL GENERATING MEANS, SAID COMPUTING MEANS PROVIDING AN OUTPUT SIGNAL INDICATING THE VARIATIONS IN SPECIFIC HEAT COMPUTED ACCORDING TO THE FORMULA
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |